Merge jdk-10+1
authorduke
Wed, 05 Jul 2017 22:50:10 +0200
changeset 43651 74116beae88a
parent 43650 f8fec3cbf201 (diff)
parent 43594 dbe5a16e7066 (current diff)
child 43652 a5c77a713626
child 43882 d662da2c29a8
child 43885 209f829f05ef
child 43889 212e765112d4
child 43898 5fccf867b933
child 43903 705de1d4aa9c
child 43906 967cf1d9c601
child 43909 56f021844230
child 43912 bca2e295a93c
child 44885 24dbd9d30e9e
child 44895 54cab62d25b1
child 44909 b53c770dc04f
child 44929 bb28ac9bf8e1
child 44939 5f0658c7437b
child 44949 5525de9359ab
child 44959 bdf35f8caaee
child 44969 08c357f2ddba
Merge
--- a/.hgtags-top-repo	Wed Jul 05 22:48:39 2017 +0200
+++ b/.hgtags-top-repo	Wed Jul 05 22:50:10 2017 +0200
@@ -396,5 +396,7 @@
 71a766d4c18041a7f833ee22823125b02e1a7f1e jdk-9+151
 ef056360ddf3977d7d2ddbeb456a4d612d19ea05 jdk-9+152
 816a6d03a7c44edfbd8780110529f1bdc3964fb9 jdk-9+153
+8d22611ffb6540bc1ace64a00c048c8b82d8c69a jdk-10+0
 8d26916eaa21b689835ffc1c0dbf12470aa9be61 jdk-9+154
 688a3863c00ebc089ab17ee1fc46272cbbd96815 jdk-9+155
+783ec7542cf7154e5d2b87f55bb97d28f81e9ada jdk-9+156
--- a/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/common/autoconf/version-numbers	Wed Jul 05 22:48:39 2017 +0200
+++ b/common/autoconf/version-numbers	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,7 +25,7 @@
 
 # Default version numbers to use unless overridden by configure
 
-DEFAULT_VERSION_MAJOR=9
+DEFAULT_VERSION_MAJOR=10
 DEFAULT_VERSION_MINOR=0
 DEFAULT_VERSION_SECURITY=0
 DEFAULT_VERSION_PATCH=0
--- a/common/conf/jib-profiles.js	Wed Jul 05 22:48:39 2017 +0200
+++ b/common/conf/jib-profiles.js	Wed Jul 05 22:50:10 2017 +0200
@@ -1080,7 +1080,7 @@
         + "." + (minor != null ? minor : version_numbers.get("DEFAULT_VERSION_MINOR"))
         + "." + (security != null ? security :  version_numbers.get("DEFAULT_VERSION_SECURITY"))
         + "." + (patch != null ? patch : version_numbers.get("DEFAULT_VERSION_PATCH"));
-    while (version.match(".*\.0$")) {
+    while (version.match(".*\\.0$")) {
         version = version.substring(0, version.length - 2);
     }
     return version;
--- a/corba/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/corba/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -396,5 +396,7 @@
 77f827f5bbad3ef795664bc675f72d98d156b9f8 jdk-9+151
 ff8cb43c07c069b1debdee44cb88ca22db1ec757 jdk-9+152
 68a8e8658511093b322a46ed04b2a321e1da2a43 jdk-9+153
+d66f97a610a6beac987740edc2bf6a70f46ba574 jdk-10+0
 078ebe23b584466dc8346e620d7821d91751e5a9 jdk-9+154
 a545f54babfa31aa7eb611f36031609acd617cbc jdk-9+155
+907c26240cd481579e919bfd23740797ff8ce1c8 jdk-9+156
--- a/corba/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/corba/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/hotspot/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -556,5 +556,7 @@
 2a2ac7d9f52c8cb2b80077e515b5840b947e640c jdk-9+151
 31f1d26c60df7b2e516a4f84160d76ba017d4e09 jdk-9+152
 217ba81b9a4ce8698200370175aa2db86a39f66c jdk-9+153
+fc7e94cb748507366b839e859f865f724467446a jdk-10+0
 a9fdfd55835ef9dccb7f317b07249bd66653b874 jdk-9+154
 f3b3d77a1751897413aae43ac340a130b6fa2ae1 jdk-9+155
+43139c588ea48b6504e52b6c3dec530b17b1fdb4 jdk-9+156
--- a/hotspot/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/hotspot/src/cpu/aarch64/vm/c1_globals_aarch64.hpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/cpu/aarch64/vm/c1_globals_aarch64.hpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -45,10 +45,8 @@
 // We compile very aggressively with the builtin simulator because
 // doing so greatly reduces run times and tests more code.
 define_pd_global(intx, CompileThreshold,             150 );
-define_pd_global(intx, BackEdgeThreshold,            500);
 #else
 define_pd_global(intx, CompileThreshold,             1500 );
-define_pd_global(intx, BackEdgeThreshold,            100000);
 #endif
 
 define_pd_global(intx, OnStackReplacePercentage,     933  );
@@ -76,6 +74,4 @@
 define_pd_global(bool, CSEArrayLength,               false);
 define_pd_global(bool, TwoOperandLIRForm,            false );
 
-define_pd_global(intx, SafepointPollOffset,          0  );
-
 #endif // CPU_AARCH64_VM_C1_GLOBALS_AARCH64_HPP
--- a/hotspot/src/cpu/aarch64/vm/c2_globals_aarch64.hpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/cpu/aarch64/vm/c2_globals_aarch64.hpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -43,7 +43,6 @@
 define_pd_global(bool, ProfileInterpreter,           true);
 define_pd_global(bool, TieredCompilation,            trueInTiered);
 define_pd_global(intx, CompileThreshold,             10000);
-define_pd_global(intx, BackEdgeThreshold,            100000);
 
 define_pd_global(intx, OnStackReplacePercentage,     140);
 define_pd_global(intx, ConditionalMoveLimit,         3);
--- a/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/HeapSummary.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/HeapSummary.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -150,13 +150,7 @@
    // Helper methods
 
    private void printGCAlgorithm(Map flagMap) {
-       // print about new generation
-       long l = getFlagValue("UseParNewGC", flagMap);
-       if (l == 1L) {
-          System.out.println("using parallel threads in the new generation.");
-       }
-
-       l = getFlagValue("UseTLAB", flagMap);
+       long l = getFlagValue("UseTLAB", flagMap);
        if (l == 1L) {
           System.out.println("using thread-local object allocation.");
        }
--- a/hotspot/src/os/solaris/vm/os_solaris.cpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/os/solaris/vm/os_solaris.cpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3050,15 +3050,12 @@
   thr_yield();
 }
 
-// Interface for setting lwp priorities.  If we are using T2 libthread,
-// which forces the use of BoundThreads or we manually set UseBoundThreads,
-// all of our threads will be assigned to real lwp's.  Using the thr_setprio
-// function is meaningless in this mode so we must adjust the real lwp's priority
+// Interface for setting lwp priorities.  We are using T2 libthread,
+// which forces the use of bound threads, so all of our threads will
+// be assigned to real lwp's.  Using the thr_setprio function is
+// meaningless in this mode so we must adjust the real lwp's priority.
 // The routines below implement the getting and setting of lwp priorities.
 //
-// Note: T2 is now the only supported libthread. UseBoundThreads flag is
-//       being deprecated and all threads are now BoundThreads
-//
 // Note: There are three priority scales used on Solaris.  Java priotities
 //       which range from 1 to 10, libthread "thr_setprio" scale which range
 //       from 0 to 127, and the current scheduling class of the process we
--- a/hotspot/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -488,9 +488,6 @@
   _gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()),
   _cms_start_registered(false)
 {
-  if (ExplicitGCInvokesConcurrentAndUnloadsClasses) {
-    ExplicitGCInvokesConcurrent = true;
-  }
   // Now expand the span and allocate the collection support structures
   // (MUT, marking bit map etc.) to cover both generations subject to
   // collection.
@@ -2559,10 +2556,8 @@
 // Decide if we want to enable class unloading as part of the
 // ensuing concurrent GC cycle. We will collect and
 // unload classes if it's the case that:
-// (1) an explicit gc request has been made and the flag
-//     ExplicitGCInvokesConcurrentAndUnloadsClasses is set, OR
-// (2) (a) class unloading is enabled at the command line, and
-//     (b) old gen is getting really full
+//  (a) class unloading is enabled at the command line, and
+//  (b) old gen is getting really full
 // NOTE: Provided there is no change in the state of the heap between
 // calls to this method, it should have idempotent results. Moreover,
 // its results should be monotonically increasing (i.e. going from 0 to 1,
@@ -2575,11 +2570,7 @@
 // below.
 void CMSCollector::update_should_unload_classes() {
   _should_unload_classes = false;
-  // Condition 1 above
-  if (_full_gc_requested && ExplicitGCInvokesConcurrentAndUnloadsClasses) {
-    _should_unload_classes = true;
-  } else if (CMSClassUnloadingEnabled) { // Condition 2.a above
-    // Disjuncts 2.b.(i,ii,iii) above
+  if (CMSClassUnloadingEnabled) {
     _should_unload_classes = (concurrent_cycles_since_last_unload() >=
                               CMSClassUnloadingMaxInterval)
                            || _cmsGen->is_too_full();
--- a/hotspot/src/share/vm/oops/method.cpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/share/vm/oops/method.cpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2199,7 +2199,6 @@
   ResourceMark rm;
   assert(is_method(), "must be method");
   st->print_cr("%s", internal_name());
-  // get the effect of PrintOopAddress, always, for methods:
   st->print_cr(" - this oop:          " INTPTR_FORMAT, p2i(this));
   st->print   (" - method holder:     "); method_holder()->print_value_on(st); st->cr();
   st->print   (" - constants:         " INTPTR_FORMAT " ", p2i(constants()));
--- a/hotspot/src/share/vm/prims/jvm.cpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/share/vm/prims/jvm.cpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2967,14 +2967,7 @@
   JVMWrapper("JVM_Yield");
   if (os::dont_yield()) return;
   HOTSPOT_THREAD_YIELD();
-
-  // When ConvertYieldToSleep is off (default), this matches the classic VM use of yield.
-  // Critical for similar threading behaviour
-  if (ConvertYieldToSleep) {
-    os::sleep(thread, MinSleepInterval, false);
-  } else {
-    os::naked_yield();
-  }
+  os::naked_yield();
 JVM_END
 
 
@@ -2998,18 +2991,7 @@
   EventThreadSleep event;
 
   if (millis == 0) {
-    // When ConvertSleepToYield is on, this matches the classic VM implementation of
-    // JVM_Sleep. Critical for similar threading behaviour (Win32)
-    // It appears that in certain GUI contexts, it may be beneficial to do a short sleep
-    // for SOLARIS
-    if (ConvertSleepToYield) {
-      os::naked_yield();
-    } else {
-      ThreadState old_state = thread->osthread()->get_state();
-      thread->osthread()->set_state(SLEEPING);
-      os::sleep(thread, MinSleepInterval, false);
-      thread->osthread()->set_state(old_state);
-    }
+    os::naked_yield();
   } else {
     ThreadState old_state = thread->osthread()->get_state();
     thread->osthread()->set_state(SLEEPING);
--- a/hotspot/src/share/vm/runtime/arguments.cpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Wed Jul 05 22:50:10 2017 +0200
@@ -375,53 +375,17 @@
   // -------------- Deprecated Flags --------------
   // --- Non-alias flags - sorted by obsolete_in then expired_in:
   { "MaxGCMinorPauseMillis",        JDK_Version::jdk(8), JDK_Version::undefined(), JDK_Version::undefined() },
-  { "AutoGCSelectPauseMillis",      JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "UseAutoGCSelectPolicy",        JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "UseParNewGC",                  JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ExplicitGCInvokesConcurrentAndUnloadsClasses", JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ConvertSleepToYield",          JDK_Version::jdk(9), JDK_Version::jdk(10),     JDK_Version::jdk(11) },
-  { "ConvertYieldToSleep",          JDK_Version::jdk(9), JDK_Version::jdk(10),     JDK_Version::jdk(11) },
 
   // --- Deprecated alias flags (see also aliased_jvm_flags) - sorted by obsolete_in then expired_in:
   { "DefaultMaxRAMFraction",        JDK_Version::jdk(8), JDK_Version::undefined(), JDK_Version::undefined() },
   { "CreateMinidumpOnCrash",        JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::undefined() },
-  { "CMSMarkStackSizeMax",          JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "CMSMarkStackSize",             JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "G1MarkStackSize",              JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ParallelMarkingThreads",       JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
-  { "ParallelCMSThreads",           JDK_Version::jdk(9), JDK_Version::undefined(), JDK_Version::jdk(10) },
 
   // -------------- Obsolete Flags - sorted by expired_in --------------
-  { "UseOldInlining",                JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "SafepointPollOffset",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseBoundThreads",               JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "DefaultThreadPriority",         JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "NoYieldsInMicrolock",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "BackEdgeThreshold",             JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseNewReflection",              JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "ReflectionWrapResolutionErrors",JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "VerifyReflectionBytecodes",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "AutoShutdownNMT",               JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "NmethodSweepFraction",          JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "NmethodSweepCheckInterval",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "CodeCacheMinimumFreeSpace",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-#ifndef ZERO
-  { "UseFastAccessorMethods",        JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseFastEmptyMethods",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-#endif // ZERO
-  { "UseCompilerSafepoints",         JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "AdaptiveSizePausePolicy",       JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "ParallelGCRetainPLAB",          JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "ThreadSafetyMargin",            JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "LazyBootClassLoader",           JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "StarvationMonitorInterval",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "PreInflateSpin",                JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "JNIDetachReleasesMonitors",     JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "UseAltSigs",                    JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "SegmentedHeapDumpThreshold",    JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "PrintOopAddress",               JDK_Version::undefined(), JDK_Version::jdk(9), JDK_Version::jdk(10) },
-  { "PermSize",                      JDK_Version::undefined(), JDK_Version::jdk(8), JDK_Version::jdk(10) },
-  { "MaxPermSize",                   JDK_Version::undefined(), JDK_Version::jdk(8), JDK_Version::jdk(10) },
+  { "ConvertSleepToYield",           JDK_Version::jdk(9),      JDK_Version::jdk(10), JDK_Version::jdk(11) },
+  { "ConvertYieldToSleep",           JDK_Version::jdk(9),      JDK_Version::jdk(10), JDK_Version::jdk(11) },
+  { "MinSleepInterval",              JDK_Version::jdk(9),      JDK_Version::jdk(10), JDK_Version::jdk(11) },
+  { "PermSize",                      JDK_Version::undefined(), JDK_Version::jdk(8),  JDK_Version::undefined() },
+  { "MaxPermSize",                   JDK_Version::undefined(), JDK_Version::jdk(8),  JDK_Version::undefined() },
 
 #ifdef TEST_VERIFY_SPECIAL_JVM_FLAGS
   { "dep > obs",                    JDK_Version::jdk(9), JDK_Version::jdk(8), JDK_Version::undefined() },
@@ -444,11 +408,6 @@
 
 static AliasedFlag const aliased_jvm_flags[] = {
   { "DefaultMaxRAMFraction",    "MaxRAMFraction"    },
-  { "CMSMarkStackSizeMax",      "MarkStackSizeMax"  },
-  { "CMSMarkStackSize",         "MarkStackSize"     },
-  { "G1MarkStackSize",          "MarkStackSize"     },
-  { "ParallelMarkingThreads",   "ConcGCThreads"     },
-  { "ParallelCMSThreads",       "ConcGCThreads"     },
   { "CreateMinidumpOnCrash",    "CreateCoredumpOnCrash" },
   { NULL, NULL}
 };
@@ -1547,7 +1506,6 @@
   assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC,
          "control point invariant");
   assert(UseConcMarkSweepGC, "CMS is expected to be on here");
-  assert(UseParNewGC, "ParNew should always be used with CMS");
 
   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
     FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads());
@@ -1588,7 +1546,6 @@
 void Arguments::set_cms_and_parnew_gc_flags() {
   assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error");
   assert(UseConcMarkSweepGC, "CMS is expected to be on here");
-  assert(UseParNewGC, "ParNew should always be used with CMS");
 
   // Turn off AdaptiveSizePolicy by default for cms until it is complete.
   disable_adaptive_size_policy("UseConcMarkSweepGC");
@@ -1728,16 +1685,6 @@
   NOT_LP64(ShouldNotReachHere(); return 0);
 }
 
-bool Arguments::should_auto_select_low_pause_collector() {
-  if (UseAutoGCSelectPolicy &&
-      !FLAG_IS_DEFAULT(MaxGCPauseMillis) &&
-      (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) {
-    log_trace(gc)("Automatic selection of the low pause collector based on pause goal of %d (ms)", (int) MaxGCPauseMillis);
-    return true;
-  }
-  return false;
-}
-
 void Arguments::set_use_compressed_oops() {
 #ifndef ZERO
 #ifdef _LP64
@@ -1841,16 +1788,7 @@
 void Arguments::select_gc_ergonomically() {
 #if INCLUDE_ALL_GCS
   if (os::is_server_class_machine()) {
-    if (!UseAutoGCSelectPolicy) {
-       FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true);
-    } else {
-      if (should_auto_select_low_pause_collector()) {
-        FLAG_SET_ERGO_IF_DEFAULT(bool, UseConcMarkSweepGC, true);
-        FLAG_SET_ERGO_IF_DEFAULT(bool, UseParNewGC, true);
-      } else {
-        FLAG_SET_ERGO_IF_DEFAULT(bool, UseParallelGC, true);
-      }
-    }
+    FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true);
   } else {
     FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
   }
@@ -1859,7 +1797,6 @@
   UNSUPPORTED_OPTION(UseParallelGC);
   UNSUPPORTED_OPTION(UseParallelOldGC);
   UNSUPPORTED_OPTION(UseConcMarkSweepGC);
-  UNSUPPORTED_OPTION(UseParNewGC);
   FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
 #endif // INCLUDE_ALL_GCS
 }
@@ -2073,7 +2010,6 @@
   if (!ClassUnloading) {
     FLAG_SET_CMDLINE(bool, CMSClassUnloadingEnabled, false);
     FLAG_SET_CMDLINE(bool, ClassUnloadingWithConcurrentMark, false);
-    FLAG_SET_CMDLINE(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false);
   }
 #endif // INCLUDE_ALL_GCS
 }
@@ -2428,18 +2364,6 @@
     return false;
   }
 
-  if (UseConcMarkSweepGC && !UseParNewGC) {
-    jio_fprintf(defaultStream::error_stream(),
-        "It is not possible to combine the DefNew young collector with the CMS collector.\n");
-    return false;
-  }
-
-  if (UseParNewGC && !UseConcMarkSweepGC) {
-    jio_fprintf(defaultStream::error_stream(),
-        "It is not possible to combine the ParNew young collector with any collector other than CMS.\n");
-    return false;
-  }
-
   return true;
 }
 
@@ -3726,11 +3650,6 @@
     }
   }
 
-  if (UseConcMarkSweepGC && FLAG_IS_DEFAULT(UseParNewGC) && !UseParNewGC) {
-    // CMS can only be used with ParNew
-    FLAG_SET_ERGO(bool, UseParNewGC, true);
-  }
-
   if (!check_vm_args_consistency()) {
     return JNI_ERR;
   }
--- a/hotspot/src/share/vm/runtime/arguments.hpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/share/vm/runtime/arguments.hpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -480,9 +480,6 @@
   static julong limit_by_allocatable_memory(julong size);
   // Setup heap size
   static void set_heap_size();
-  // Based on automatic selection criteria, should the
-  // low pause collector be used.
-  static bool should_auto_select_low_pause_collector();
 
   // Bytecode rewriting
   static void set_bytecode_flags();
--- a/hotspot/src/share/vm/runtime/globals.hpp	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1159,13 +1159,6 @@
   product_pd(bool, DontYieldALot,                                           \
           "Throw away obvious excess yield calls")                          \
                                                                             \
-  product(bool, ConvertSleepToYield, true,                                  \
-          "Convert sleep(0) to thread yield ")                              \
-                                                                            \
-  product(bool, ConvertYieldToSleep, false,                                 \
-          "Convert yield to a sleep of MinSleepInterval to simulate Win32 " \
-          "behavior")                                                       \
-                                                                            \
   develop(bool, UseDetachedThreads, true,                                   \
           "Use detached threads that are recycled upon termination "        \
           "(for Solaris only)")                                             \
@@ -1479,11 +1472,6 @@
           "A System.gc() request invokes a concurrent collection; "         \
           "(effective only when using concurrent collectors)")              \
                                                                             \
-  product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false,        \
-          "A System.gc() request invokes a concurrent collection and "      \
-          "also unloads classes during such a concurrent gc cycle "         \
-          "(effective only when UseConcMarkSweepGC)")                       \
-                                                                            \
   product(bool, GCLockerInvokesConcurrent, false,                           \
           "The exit of a JNI critical section necessitating a scavenge, "   \
           "also kicks off a background concurrent collection")              \
@@ -1501,9 +1489,6 @@
   product(bool, UseCMSBestFit, true,                                        \
           "Use CMS best fit allocation strategy")                           \
                                                                             \
-  product(bool, UseParNewGC, false,                                         \
-          "Use parallel threads in the new generation")                     \
-                                                                            \
   product(uintx, ParallelGCBufferWastePct, 10,                              \
           "Wasted fraction of parallel allocation buffer")                  \
           range(0, 100)                                                     \
@@ -2059,13 +2044,6 @@
           "Maximum fraction (1/n) of virtual memory used for ergonomically "\
           "determining maximum heap size")                                  \
                                                                             \
-  product(bool, UseAutoGCSelectPolicy, false,                               \
-          "Use automatic collection selection policy")                      \
-                                                                            \
-  product(uintx, AutoGCSelectPauseMillis, 5000,                             \
-          "Automatic GC selection pause threshold in milliseconds")         \
-          range(0, max_uintx)                                               \
-                                                                            \
   product(bool, UseAdaptiveSizePolicy, true,                                \
           "Use adaptive generation sizing policies")                        \
                                                                             \
@@ -3003,10 +2981,6 @@
   develop(intx, DontYieldALotInterval,    10,                               \
           "Interval between which yields will be dropped (milliseconds)")   \
                                                                             \
-  develop(intx, MinSleepInterval,     1,                                    \
-          "Minimum sleep() interval (milliseconds) when "                   \
-          "ConvertSleepToYield is off (used for Solaris)")                  \
-                                                                            \
   develop(intx, ProfilerPCTickThreshold,    15,                             \
           "Number of ticks in a PC buckets to be a hotspot")                \
                                                                             \
--- a/hotspot/test/TEST.groups	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/test/TEST.groups	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -209,11 +209,8 @@
   gc/g1/TestShrinkToOneRegion.java \
   gc/metaspace/G1AddMetaspaceDependency.java \
   gc/startup_warnings/TestCMS.java \
-  gc/startup_warnings/TestDefNewCMS.java \
   gc/startup_warnings/TestParallelGC.java \
   gc/startup_warnings/TestParallelScavengeSerialOld.java \
-  gc/startup_warnings/TestParNewCMS.java \
-  gc/startup_warnings/TestParNewSerialOld.java \
   runtime/SharedArchiveFile/SharedArchiveFile.java
 
 # Minimal VM on Compact 2 adds in some compact2 tests
--- a/hotspot/test/gc/arguments/TestExplicitGCInvokesConcurrentAndUnloadsClasses.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test TestExplicitGCInvokesConcurrentAndUnloadsClasses
- * @summary Test that the flag ExplicitGCInvokesConcurrentAndUnloadsClasses is deprecated
- * @bug 8170388
- * @key gc
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- *          java.management
- * @run driver TestExplicitGCInvokesConcurrentAndUnloadsClasses
- */
-
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.process.ProcessTools;
-
-public class TestExplicitGCInvokesConcurrentAndUnloadsClasses {
-    public static void main(String[] args) throws Exception {
-        ProcessBuilder pb =
-            ProcessTools.createJavaProcessBuilder("-XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses",
-                                                  "-Xlog:gc",
-                                                  "-version");
-        OutputAnalyzer output = new OutputAnalyzer(pb.start());
-        output.shouldContain("ExplicitGCInvokesConcurrentAndUnloadsClasses was deprecated");
-        output.shouldHaveExitValue(0);
-    }
-}
--- a/hotspot/test/gc/arguments/TestSelectDefaultGC.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/test/gc/arguments/TestSelectDefaultGC.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -66,7 +66,6 @@
         assertVMOption(output, "UseSerialGC",        !isServer);
         // CMS is never default
         assertVMOption(output, "UseConcMarkSweepGC", false);
-        assertVMOption(output, "UseParNewGC",        false);
     }
 
     public static void main(String[] args) throws Exception {
--- a/hotspot/test/gc/startup_warnings/TestDefNewCMS.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
-* @test TestDefNewCMS
-* @key gc
-* @bug 8065972
-* @summary Test that the unsupported DefNew+CMS combination does not start
-* @library /test/lib
-* @modules java.base/jdk.internal.misc
-*          java.management
-*/
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class TestDefNewCMS {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:-UseParNewGC", "-XX:+UseConcMarkSweepGC", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("It is not possible to combine the DefNew young collector with the CMS collector.");
-    output.shouldContain("Error");
-    output.shouldHaveExitValue(1);
-  }
-
-}
--- a/hotspot/test/gc/startup_warnings/TestParNewCMS.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
-* @test TestParNewCMS
-* @key gc
-* @bug 8065972
-* @summary Test that specifying -XX:+UseParNewGC on the command line logs a warning message
-* @library /test/lib
-* @modules java.base/jdk.internal.misc
-*          java.management
-*/
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-
-public class TestParNewCMS {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseParNewGC", "-XX:+UseConcMarkSweepGC", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("warning: Option UseParNewGC was deprecated in version");
-    output.shouldNotContain("error");
-    output.shouldHaveExitValue(0);
-  }
-
-}
--- a/hotspot/test/gc/startup_warnings/TestParNewSerialOld.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
-* @test TestParNewSerialOld
-* @key gc
-* @bug 8065972
-* @summary Test that the unsupported ParNew+SerialOld combination does not start
-* @library /test/lib
-* @modules java.base/jdk.internal.misc
-*          java.management
-*/
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-
-public class TestParNewSerialOld {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseParNewGC", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("It is not possible to combine the ParNew young collector with any collector other than CMS.");
-    output.shouldContain("Error");
-    output.shouldHaveExitValue(1);
-  }
-
-}
--- a/hotspot/test/gc/startup_warnings/TestUseAutoGCSelectPolicy.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test TestUseAutoGCSelectPolicy
- * @key gc
- * @bug 8166461 8167494
- * @summary Test that UseAutoGCSelectPolicy and AutoGCSelectPauseMillis do print a warning message
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- *          java.management
- */
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class TestUseAutoGCSelectPolicy {
-
-  public static void main(String args[]) throws Exception {
-    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseAutoGCSelectPolicy", "-XX:AutoGCSelectPauseMillis=3000", "-version");
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("UseAutoGCSelectPolicy was deprecated in version 9.0");
-    output.shouldContain("AutoGCSelectPauseMillis was deprecated in version 9.0");
-    output.shouldNotContain("error");
-    output.shouldHaveExitValue(0);
-  }
-}
--- a/hotspot/test/runtime/CommandLine/ObsoleteFlagErrorMessage.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/test/runtime/CommandLine/ObsoleteFlagErrorMessage.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,18 +37,18 @@
 
     // Case 1: Newly obsolete flags with extra junk appended should not be treated as newly obsolete (8060449)
     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-        "-XX:UseOldInliningPlusJunk", "-version");
+        "-XX:ConvertSleepToYieldPlusJunk", "-version");
 
     OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("Unrecognized VM option 'UseOldInliningPlusJunk'"); // Must identify bad option.
+    output.shouldContain("Unrecognized VM option 'ConvertSleepToYieldPlusJunk'"); // Must identify bad option.
     output.shouldHaveExitValue(1);
 
-    // Case 2: Newly obsolete integer-valued flags should be recognized as newly obsolete (8073989)
+    // Case 2: Newly obsolete flags should be recognized as newly obsolete (8073989)
     ProcessBuilder pb2 = ProcessTools.createJavaProcessBuilder(
-        "-XX:NmethodSweepFraction=10", "-version");
+        "-XX:+ConvertSleepToYield", "-version");
 
     OutputAnalyzer output2 = new OutputAnalyzer(pb2.start());
     output2.shouldContain("Ignoring option").shouldContain("support was removed");
-    output2.shouldContain("NmethodSweepFraction");
+    output2.shouldContain("ConvertSleepToYield");
   }
 }
--- a/hotspot/test/runtime/CommandLine/VMAliasOptions.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/test/runtime/CommandLine/VMAliasOptions.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,11 +40,6 @@
      */
     public static final String[][] ALIAS_OPTIONS = {
         {"DefaultMaxRAMFraction",   "MaxRAMFraction", "1032"},
-        {"CMSMarkStackSizeMax",     "MarkStackSizeMax", "1032"},
-        {"CMSMarkStackSize",        "MarkStackSize", "1032"},
-        {"G1MarkStackSize",         "MarkStackSize", "1032"},
-        {"ParallelMarkingThreads",  "ConcGCThreads", "2"},
-        {"ParallelCMSThreads",      "ConcGCThreads", "2"},
         {"CreateMinidumpOnCrash",   "CreateCoredumpOnCrash", "false" },
     };
 
--- a/hotspot/test/runtime/CommandLine/VMDeprecatedOptions.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/hotspot/test/runtime/CommandLine/VMDeprecatedOptions.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,17 +41,9 @@
     public static final String[][] DEPRECATED_OPTIONS = {
         // deprecated non-alias flags:
         {"MaxGCMinorPauseMillis", "1032"},
-        {"UseParNewGC", "false"},
-        {"ConvertSleepToYield", "false" },
-        {"ConvertYieldToSleep", "false" },
 
         // deprecated alias flags (see also aliased_jvm_flags):
         {"DefaultMaxRAMFraction", "4"},
-        {"CMSMarkStackSizeMax", "1032"},
-        {"CMSMarkStackSize", "1032"},
-        {"G1MarkStackSize", "1032"},
-        {"ParallelMarkingThreads", "2"},
-        {"ParallelCMSThreads", "2"},
         {"CreateMinidumpOnCrash", "false"}
     };
 
--- a/hotspot/test/runtime/NMT/AutoshutdownNMT.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test
- * @key nmt
- * @summary Test for deprecated message if -XX:-AutoShutdownNMT is specified
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- *          java.management
- */
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class AutoshutdownNMT {
-
-    public static void main(String args[]) throws Exception {
-
-        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-                "-XX:NativeMemoryTracking=detail",
-                "-XX:-AutoShutdownNMT",
-                "-version");
-        OutputAnalyzer output = new OutputAnalyzer(pb.start());
-        output.shouldContain("Ignoring option AutoShutdownNMT");
-    }
-}
--- a/jaxp/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/jaxp/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -396,5 +396,7 @@
 13c6906bfc861d99dc35a19c80b7a99f0b0ac58d jdk-9+151
 7e3da313b1746578da648155e37dd8526e83153d jdk-9+152
 1384504d2cd0e55c5e0becaeaf40ab05cae959d6 jdk-9+153
+0908877116d17c6e59092ec7d53ef687a96d3278 jdk-10+0
 7fa738305436d14c0926df0f04892890cacc766b jdk-9+154
 48fa77af153288b08ba794e1616a7b0685f3b67e jdk-9+155
+e930c373aaa4e0e712c9a25ba4b03d473b48c294 jdk-9+156
--- a/jaxp/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/jaxp/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/jaxws/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/jaxws/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -399,5 +399,7 @@
 c48b4d4768b1c2b8fe5d1a844ca13732e5dfbe2a jdk-9+151
 6f8fb1cf7e5f61c40dcc3654f9a623c505f6de1f jdk-9+152
 7a532a9a227137155b905341d4b99939db51220e jdk-9+153
+34af95c7dbff74f3448fcdb7d745524e8a1cc88a jdk-10+0
 34af95c7dbff74f3448fcdb7d745524e8a1cc88a jdk-9+154
 9b9918656c97724fd89c04a8547043bbd37f5935 jdk-9+155
+7c829eba781409b4fe15392639289af1553dcf63 jdk-9+156
--- a/jaxws/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/jaxws/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/jdk/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -396,5 +396,7 @@
 d27bab22ff62823902d93d1d35ca397cfd50d059 jdk-9+151
 a20f2cf90762673e1bc4980fd6597e70a2578045 jdk-9+152
 1c4411322327aea3f91011ec3977a12a05b09629 jdk-9+153
+f2325d80b37c2817e15039bf64189a08e29c6d39 jdk-10+0
 c97e7a8b8da062b9070df442f9cf308e10845fb7 jdk-9+154
 e170c858888e83d5c0994504599b6ed7a1fb0cfc jdk-9+155
+7d64e541a6c04c714bcad4c8b553db912f827cd5 jdk-9+156
--- a/jdk/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/jdk/make/launcher/Launcher-java.base.gmk	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/make/launcher/Launcher-java.base.gmk	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -135,38 +135,17 @@
 
 ################################################################################
 
-BUILD_JSPAWNHELPER :=
-BUILD_JSPAWNHELPER_SRC := $(JDK_TOPDIR)/src/java.base/unix/native/jspawnhelper
-JSPAWNHELPER_CFLAGS := -I$(JDK_TOPDIR)/src/java.base/unix/native/libjava
-BUILD_JSPAWNHELPER_DST_DIR := $(SUPPORT_OUTPUTDIR)/modules_libs/java.base
-LINK_JSPAWNHELPER_OBJECTS := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libjava/childproc.o
-BUILD_JSPAWNHELPER_LDFLAGS :=
-
 ifneq ($(findstring $(OPENJDK_TARGET_OS), macosx solaris aix), )
-  BUILD_JSPAWNHELPER := 1
-endif
-
-ifeq ($(OPENJDK_TARGET_OS), macosx)
-  BUILD_JSPAWNHELPER_DST_DIR := $(SUPPORT_OUTPUTDIR)/modules_libs/java.base
-endif
-
-ifeq ($(OPENJDK_TARGET_CPU_BITS), 64)
-  BUILD_JSPAWNHELPER_LDFLAGS += $(COMPILER_TARGET_BITS_FLAG)64
-endif
-
-ifeq ($(BUILD_JSPAWNHELPER), 1)
-  $(eval $(call SetupNativeCompilation,BUILD_JSPAWNHELPER, \
-      SRC := $(BUILD_JSPAWNHELPER_SRC), \
-      INCLUDE_FILES := jspawnhelper.c, \
+  $(eval $(call SetupNativeCompilation, BUILD_JSPAWNHELPER, \
+      SRC := $(JDK_TOPDIR)/src/$(MODULE)/unix/native/jspawnhelper, \
       OPTIMIZATION := LOW, \
-      CFLAGS := $(CFLAGS_JDKEXE) $(JSPAWNHELPER_CFLAGS), \
-      LDFLAGS := $(LDFLAGS_JDKEXE) $(BUILD_JSPAWNHELPER_LDFLAGS), \
-      LIBS := $(LINK_JSPAWNHELPER_OBJECTS), \
+      CFLAGS := $(CFLAGS_JDKEXE) -I$(JDK_TOPDIR)/src/$(MODULE)/unix/native/libjava, \
+      EXTRA_OBJECT_FILES := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libjava/childproc.o, \
+      LDFLAGS := $(LDFLAGS_JDKEXE), \
       OBJECT_DIR := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/jspawnhelper, \
-      OUTPUT_DIR := $(BUILD_JSPAWNHELPER_DST_DIR), \
-      PROGRAM := jspawnhelper))
-
-  $(BUILD_JSPAWNHELPER): $(LINK_JSPAWNHELPER_OBJECTS)
+      OUTPUT_DIR := $(SUPPORT_OUTPUTDIR)/modules_libs/$(MODULE), \
+      PROGRAM := jspawnhelper, \
+  ))
 
   TARGETS += $(BUILD_JSPAWNHELPER)
 endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/aix/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.nio.ch;
+
+import java.nio.channels.spi.AsynchronousChannelProvider;
+
+/**
+ * Creates this platform's default AsynchronousChannelProvider
+ */
+
+public class DefaultAsynchronousChannelProvider {
+
+    /**
+     * Prevent instantiation.
+     */
+    private DefaultAsynchronousChannelProvider() { }
+
+    /**
+     * Returns the default AsynchronousChannelProvider.
+     */
+    public static AsynchronousChannelProvider create() {
+        return new AixAsynchronousChannelProvider();
+    }
+}
--- a/jdk/src/java.base/aix/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/aix/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,6 @@
      * Returns the default SelectorProvider.
      */
     public static SelectorProvider create() {
-        return new sun.nio.ch.PollSelectorProvider();
+        return new PollSelectorProvider();
     }
-
 }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/linux/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.nio.ch;
+
+import java.nio.channels.spi.AsynchronousChannelProvider;
+
+/**
+ * Creates this platform's default AsynchronousChannelProvider
+ */
+
+public class DefaultAsynchronousChannelProvider {
+
+    /**
+     * Prevent instantiation.
+     */
+    private DefaultAsynchronousChannelProvider() { }
+
+    /**
+     * Returns the default AsynchronousChannelProvider.
+     */
+    public static AsynchronousChannelProvider create() {
+        return new LinuxAsynchronousChannelProvider();
+    }
+}
--- a/jdk/src/java.base/linux/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/linux/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,6 @@
      * Returns the default SelectorProvider.
      */
     public static SelectorProvider create() {
-        return new sun.nio.ch.EPollSelectorProvider();
+        return new EPollSelectorProvider();
     }
-
 }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/macosx/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.nio.ch;
+
+import java.nio.channels.spi.AsynchronousChannelProvider;
+
+/**
+ * Creates this platform's default AsynchronousChannelProvider
+ */
+
+public class DefaultAsynchronousChannelProvider {
+
+    /**
+     * Prevent instantiation.
+     */
+    private DefaultAsynchronousChannelProvider() { }
+
+    /**
+     * Returns the default AsynchronousChannelProvider.
+     */
+    public static AsynchronousChannelProvider create() {
+        return new BsdAsynchronousChannelProvider();
+    }
+}
--- a/jdk/src/java.base/macosx/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/macosx/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,6 @@
      * Returns the default SelectorProvider.
      */
     public static SelectorProvider create() {
-        return new sun.nio.ch.KQueueSelectorProvider();
+        return new KQueueSelectorProvider();
     }
-
 }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/solaris/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.nio.ch;
+
+import java.nio.channels.spi.AsynchronousChannelProvider;
+
+/**
+ * Creates this platform's default AsynchronousChannelProvider
+ */
+
+public class DefaultAsynchronousChannelProvider {
+
+    /**
+     * Prevent instantiation.
+     */
+    private DefaultAsynchronousChannelProvider() { }
+
+    /**
+     * Returns the default AsynchronousChannelProvider.
+     */
+    public static AsynchronousChannelProvider create() {
+        return new SolarisAsynchronousChannelProvider();
+    }
+}
--- a/jdk/src/java.base/solaris/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/solaris/classes/sun/nio/ch/DefaultSelectorProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,6 @@
      * Returns the default SelectorProvider.
      */
     public static SelectorProvider create() {
-        return new sun.nio.ch.DevPollSelectorProvider();
+        return new DevPollSelectorProvider();
     }
-
 }
--- a/jdk/src/java.base/unix/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java	Wed Jul 05 22:48:39 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.nio.ch;
-
-import java.nio.channels.spi.AsynchronousChannelProvider;
-import sun.security.action.GetPropertyAction;
-
-/**
- * Creates this platform's default asynchronous channel provider
- */
-
-public class DefaultAsynchronousChannelProvider {
-
-    /**
-     * Prevent instantiation.
-     */
-    private DefaultAsynchronousChannelProvider() { }
-
-    @SuppressWarnings("unchecked")
-    private static AsynchronousChannelProvider createProvider(String cn) {
-        Class<AsynchronousChannelProvider> c;
-        try {
-            c = (Class<AsynchronousChannelProvider>)Class.forName(cn);
-        } catch (ClassNotFoundException x) {
-            throw new AssertionError(x);
-        }
-        try {
-            @SuppressWarnings("deprecation")
-            AsynchronousChannelProvider result = c.newInstance();
-            return result;
-        } catch (IllegalAccessException | InstantiationException x) {
-            throw new AssertionError(x);
-        }
-
-    }
-
-    /**
-     * Returns the default AsynchronousChannelProvider.
-     */
-    public static AsynchronousChannelProvider create() {
-        String osname = GetPropertyAction.privilegedGetProperty("os.name");
-        if (osname.equals("SunOS"))
-            return createProvider("sun.nio.ch.SolarisAsynchronousChannelProvider");
-        if (osname.equals("Linux"))
-            return createProvider("sun.nio.ch.LinuxAsynchronousChannelProvider");
-        if (osname.contains("OS X"))
-            return createProvider("sun.nio.ch.BsdAsynchronousChannelProvider");
-        if (osname.equals("AIX"))
-            return createProvider("sun.nio.ch.AixAsynchronousChannelProvider");
-        throw new InternalError("platform not recognized");
-    }
-}
--- a/jdk/src/java.base/unix/native/libnet/Inet4AddressImpl.c	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/unix/native/libnet/Inet4AddressImpl.c	Wed Jul 05 22:50:10 2017 +0200
@@ -46,7 +46,13 @@
 #define NI_MAXHOST 1025
 #endif
 
-/************************************************************************
+#define SET_NONBLOCKING(fd) {       \
+    int flags = fcntl(fd, F_GETFL); \
+    flags |= O_NONBLOCK;            \
+    fcntl(fd, F_SETFL, flags);      \
+}
+
+/*
  * Inet4AddressImpl
  */
 
@@ -57,35 +63,26 @@
  */
 JNIEXPORT jstring JNICALL
 Java_java_net_Inet4AddressImpl_getLocalHostName(JNIEnv *env, jobject this) {
-    char hostname[NI_MAXHOST+1];
+    char hostname[NI_MAXHOST + 1];
 
     hostname[0] = '\0';
-    if (gethostname(hostname, NI_MAXHOST)) {
-        /* Something went wrong, maybe networking is not setup? */
+    if (gethostname(hostname, NI_MAXHOST) != 0) {
         strcpy(hostname, "localhost");
     } else {
+        // try to resolve hostname via nameservice
+        // if it is known but getnameinfo fails, hostname will still be the
+        // value from gethostname
         struct addrinfo hints, *res;
-        int error;
 
+        // make sure string is null-terminated
         hostname[NI_MAXHOST] = '\0';
         memset(&hints, 0, sizeof(hints));
         hints.ai_flags = AI_CANONNAME;
         hints.ai_family = AF_INET;
 
-        error = getaddrinfo(hostname, NULL, &hints, &res);
-
-        if (error == 0) {/* host is known to name service */
-            getnameinfo(res->ai_addr,
-                        res->ai_addrlen,
-                        hostname,
-                        NI_MAXHOST,
-                        NULL,
-                        0,
-                        NI_NAMEREQD);
-
-            /* if getnameinfo fails hostname is still the value
-               from gethostname */
-
+        if (getaddrinfo(hostname, NULL, &hints, &res) == 0) {
+            getnameinfo(res->ai_addr, res->ai_addrlen, hostname, NI_MAXHOST,
+                        NULL, 0, NI_NAMEREQD);
             freeaddrinfo(res);
         }
     }
@@ -93,89 +90,70 @@
 }
 
 /*
- * Find an internet address for a given hostname.  Note that this
+ * Find an internet address for a given hostname. Note that this
  * code only works for addresses of type INET. The translation
  * of %d.%d.%d.%d to an address (int) occurs in java now, so the
- * String "host" shouldn't *ever* be a %d.%d.%d.%d string
+ * String "host" shouldn't be a %d.%d.%d.%d string. The only
+ * exception should be when any of the %d are out of range and
+ * we fallback to a lookup.
  *
  * Class:     java_net_Inet4AddressImpl
  * Method:    lookupAllHostAddr
  * Signature: (Ljava/lang/String;)[[B
  */
-
 JNIEXPORT jobjectArray JNICALL
 Java_java_net_Inet4AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
-                                                jstring host) {
+                                                 jstring host) {
+    jobjectArray ret = NULL;
     const char *hostname;
-    jobjectArray ret = 0;
-    int retLen = 0;
     int error = 0;
-    struct addrinfo hints, *res, *resNew = NULL;
+    struct addrinfo hints, *res = NULL, *resNew = NULL, *last = NULL,
+        *iterator;
 
     initInetAddressIDs(env);
     JNU_CHECK_EXCEPTION_RETURN(env, NULL);
 
     if (IS_NULL(host)) {
-        JNU_ThrowNullPointerException(env, "host is null");
-        return 0;
+        JNU_ThrowNullPointerException(env, "host argument is null");
+        return NULL;
     }
     hostname = JNU_GetStringPlatformChars(env, host, JNI_FALSE);
     CHECK_NULL_RETURN(hostname, NULL);
 
-    /* Try once, with our static buffer. */
+    // try once, with our static buffer
     memset(&hints, 0, sizeof(hints));
     hints.ai_flags = AI_CANONNAME;
     hints.ai_family = AF_INET;
 
-#ifdef __solaris__
-    /*
-     * Workaround for Solaris bug 4160367 - if a hostname contains a
-     * white space then 0.0.0.0 is returned
-     */
-    if (isspace((unsigned char)hostname[0])) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException",
-                        (char *)hostname);
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
-        return NULL;
-    }
-#endif
-
     error = getaddrinfo(hostname, NULL, &hints, &res);
 
-#ifdef MACOSX
     if (error) {
+#if defined(MACOSX)
         // If getaddrinfo fails try getifaddrs, see bug 8170910.
         ret = lookupIfLocalhost(env, hostname, JNI_FALSE);
         if (ret != NULL || (*env)->ExceptionCheck(env)) {
-            JNU_ReleaseStringPlatformChars(env, host, hostname);
-            return ret;
+            goto cleanupAndReturn;
         }
-    }
 #endif
-
-    if (error) {
-        /* report error */
+        // report error
         NET_ThrowUnknownHostExceptionWithGaiError(env, hostname, error);
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
-        return NULL;
+        goto cleanupAndReturn;
     } else {
         int i = 0;
-        struct addrinfo *itr, *last = NULL, *iterator = res;
-
+        iterator = res;
         while (iterator != NULL) {
-            // remove the duplicate one
+            // skip duplicates
             int skip = 0;
-            itr = resNew;
-            while (itr != NULL) {
+            struct addrinfo *iteratorNew = resNew;
+            while (iteratorNew != NULL) {
                 struct sockaddr_in *addr1, *addr2;
                 addr1 = (struct sockaddr_in *)iterator->ai_addr;
-                addr2 = (struct sockaddr_in *)itr->ai_addr;
-                if (addr1->sin_addr.s_addr ==
-                    addr2->sin_addr.s_addr) {
+                addr2 = (struct sockaddr_in *)iteratorNew->ai_addr;
+                if (addr1->sin_addr.s_addr == addr2->sin_addr.s_addr) {
                     skip = 1;
                     break;
                 }
-                itr = itr->ai_next;
+                iteratorNew = iteratorNew->ai_next;
             }
 
             if (!skip) {
@@ -199,44 +177,37 @@
             iterator = iterator->ai_next;
         }
 
-        retLen = i;
-        iterator = resNew;
-
-        ret = (*env)->NewObjectArray(env, retLen, ia_class, NULL);
-
+        // allocate array - at this point i contains the number of addresses
+        ret = (*env)->NewObjectArray(env, i, ia_class, NULL);
         if (IS_NULL(ret)) {
-            /* we may have memory to free at the end of this */
             goto cleanupAndReturn;
         }
 
         i = 0;
+        iterator = resNew;
         while (iterator != NULL) {
             jobject iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
             if (IS_NULL(iaObj)) {
                 ret = NULL;
                 goto cleanupAndReturn;
             }
-            setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in*)iterator->ai_addr)->sin_addr.s_addr));
+            setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in *)
+                                (iterator->ai_addr))->sin_addr.s_addr));
             setInetAddress_hostName(env, iaObj, host);
             (*env)->SetObjectArrayElement(env, ret, i++, iaObj);
             iterator = iterator->ai_next;
         }
     }
-
 cleanupAndReturn:
-    {
-        struct addrinfo *iterator, *tmp;
-        iterator = resNew;
-        while (iterator != NULL) {
-            tmp = iterator;
-            iterator = iterator->ai_next;
-            free(tmp);
-        }
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
+    JNU_ReleaseStringPlatformChars(env, host, hostname);
+    while (resNew != NULL) {
+        last = resNew;
+        resNew = resNew->ai_next;
+        free(last);
     }
-
-    freeaddrinfo(res);
-
+    if (res != NULL) {
+        freeaddrinfo(res);
+    }
     return ret;
 }
 
@@ -244,164 +215,243 @@
  * Class:     java_net_Inet4AddressImpl
  * Method:    getHostByAddr
  * Signature: (I)Ljava/lang/String;
+ *
+ * Theoretically the UnknownHostException could be enriched with gai error
+ * information. But as it is silently ignored anyway, there's no need for this.
+ * It's only important that either a valid hostname is returned or an
+ * UnknownHostException is thrown.
  */
 JNIEXPORT jstring JNICALL
 Java_java_net_Inet4AddressImpl_getHostByAddr(JNIEnv *env, jobject this,
-                                            jbyteArray addrArray) {
+                                             jbyteArray addrArray) {
     jstring ret = NULL;
+    char host[NI_MAXHOST + 1];
+    jbyte caddr[4];
+    jint addr;
+    struct sockaddr_in sa;
 
-    char host[NI_MAXHOST+1];
-    int error = 0;
-    int len = 0;
-    jbyte caddr[4];
-
-    struct sockaddr_in him4;
-    struct sockaddr *sa;
-
-    jint addr;
+    // construct a sockaddr_in structure
+    memset((char *)&sa, 0, sizeof(struct sockaddr_in));
     (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
-    addr = ((caddr[0]<<24) & 0xff000000);
-    addr |= ((caddr[1] <<16) & 0xff0000);
-    addr |= ((caddr[2] <<8) & 0xff00);
+    addr = ((caddr[0] << 24) & 0xff000000);
+    addr |= ((caddr[1] << 16) & 0xff0000);
+    addr |= ((caddr[2] << 8) & 0xff00);
     addr |= (caddr[3] & 0xff);
-    memset((void *) &him4, 0, sizeof(him4));
-    him4.sin_addr.s_addr = htonl(addr);
-    him4.sin_family = AF_INET;
-    sa = (struct sockaddr *) &him4;
-    len = sizeof(him4);
+    sa.sin_addr.s_addr = htonl(addr);
+    sa.sin_family = AF_INET;
 
-    error = getnameinfo(sa, len, host, NI_MAXHOST, NULL, 0, NI_NAMEREQD);
-
-    if (!error) {
+    if (getnameinfo((struct sockaddr *)&sa, sizeof(struct sockaddr_in),
+                    host, NI_MAXHOST, NULL, 0, NI_NAMEREQD)) {
+        JNU_ThrowByName(env, "java/net/UnknownHostException", NULL);
+    } else {
         ret = (*env)->NewStringUTF(env, host);
-    }
-
-    if (ret == NULL) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", NULL);
+        if (ret == NULL) {
+            JNU_ThrowByName(env, "java/net/UnknownHostException", NULL);
+        }
     }
 
     return ret;
 }
 
-#define SET_NONBLOCKING(fd) {           \
-        int flags = fcntl(fd, F_GETFL); \
-        flags |= O_NONBLOCK;            \
-        fcntl(fd, F_SETFL, flags);      \
+/**
+ * ping implementation using tcp port 7 (echo)
+ */
+static jboolean
+tcp_ping4(JNIEnv *env, SOCKETADDRESS *sa, SOCKETADDRESS *netif, jint timeout,
+          jint ttl)
+{
+    jint fd;
+    int connect_rv = -1;
+
+    // open a TCP socket
+    fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (fd == -1) {
+        // note: if you run out of fds, you may not be able to load
+        // the exception class, and get a NoClassDefFoundError instead.
+        NET_ThrowNew(env, errno, "Can't create socket");
+        return JNI_FALSE;
+    }
+
+    // set TTL
+    if (ttl > 0) {
+        setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
+    }
+
+    // A network interface was specified, so let's bind to it.
+    if (netif != NULL) {
+        if (bind(fd, &netif->sa, sizeof(struct sockaddr_in)) < 0) {
+            NET_ThrowNew(env, errno, "Can't bind socket");
+            close(fd);
+            return JNI_FALSE;
+        }
+    }
+
+    // Make the socket non blocking so we can use select/poll.
+    SET_NONBLOCKING(fd);
+
+    sa->sa4.sin_port = htons(7); // echo port
+    connect_rv = NET_Connect(fd, &sa->sa, sizeof(struct sockaddr_in));
+
+    // connection established or refused immediately, either way it means
+    // we were able to reach the host!
+    if (connect_rv == 0 || errno == ECONNREFUSED) {
+        close(fd);
+        return JNI_TRUE;
+    }
+
+    switch (errno) {
+    case ENETUNREACH:   // Network Unreachable
+    case EAFNOSUPPORT:  // Address Family not supported
+    case EADDRNOTAVAIL: // address is not available on the remote machine
+#if defined(__linux__) || defined(_AIX)
+        // On some Linux versions, when a socket is bound to the loopback
+        // interface, connect will fail and errno will be set to EINVAL
+        // or EHOSTUNREACH.  When that happens, don't throw an exception,
+        // just return false.
+    case EINVAL:
+    case EHOSTUNREACH:  // No route to host
+#endif
+        close(fd);
+        return JNI_FALSE;
+    case EINPROGRESS:   // this is expected as we'll probably have to wait
+        break;
+    default:
+        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                                     "connect failed");
+        close(fd);
+        return JNI_FALSE;
+    }
+
+    timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
+    if (timeout >= 0) {
+        // connection has been established, check for error condition
+        socklen_t optlen = (socklen_t)sizeof(connect_rv);
+        if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
+                       &optlen) <0)
+        {
+            connect_rv = errno;
+        }
+        if (connect_rv == 0 || connect_rv == ECONNREFUSED) {
+            close(fd);
+            return JNI_TRUE;
+        }
+    }
+    close(fd);
+    return JNI_FALSE;
 }
 
 /**
  * ping implementation.
- * Send a ICMP_ECHO_REQUEST packet every second until either the timeout
- * expires or a answer is received.
- * Returns true is an ECHO_REPLY is received, otherwise, false.
+ * Send an ICMP_ECHO_REQUEST packet every second until either the timeout
+ * expires or an answer is received.
+ * Returns true if an ECHO_REPLY is received, false otherwise.
  */
 static jboolean
-ping4(JNIEnv *env, jint fd, struct sockaddr_in* him, jint timeout,
-      struct sockaddr_in* netif, jint ttl) {
-    jint size;
-    jint n, hlen1, icmplen;
+ping4(JNIEnv *env, jint fd, SOCKETADDRESS *sa, SOCKETADDRESS *netif,
+      jint timeout, jint ttl)
+{
+    jint n, size = 60 * 1024, hlen, tmout2, seq = 1;
     socklen_t len;
-    char sendbuf[1500];
-    char recvbuf[1500];
+    unsigned char sendbuf[1500], recvbuf[1500];
     struct icmp *icmp;
     struct ip *ip;
     struct sockaddr_in sa_recv;
     jchar pid;
-    jint tmout2, seq = 1;
     struct timeval tv;
-    size_t plen;
+    size_t plen = ICMP_ADVLENMIN + sizeof(tv);
 
-    /* icmp_id is a 16 bit data type, therefore down cast the pid */
-    pid = (jchar)getpid();
-    size = 60*1024;
     setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));
-    /*
-     * sets the ttl (max number of hops)
-     */
+
+    // sets the ttl (max number of hops)
     if (ttl > 0) {
-      setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
+        setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
     }
-    /*
-     * a specific interface was specified, so let's bind the socket
-     * to that interface to ensure the requests are sent only through it.
-     */
+
+    // a specific interface was specified, so let's bind the socket
+    // to that interface to ensure the requests are sent only through it.
     if (netif != NULL) {
-      if (bind(fd, (struct sockaddr*)netif, sizeof(struct sockaddr_in)) < 0) {
-        NET_ThrowNew(env, errno, "Can't bind socket");
-        close(fd);
-        return JNI_FALSE;
-      }
+        if (bind(fd, &netif->sa, sizeof(struct sockaddr_in)) < 0) {
+            NET_ThrowNew(env, errno, "Can't bind socket");
+            close(fd);
+            return JNI_FALSE;
+        }
     }
-    /*
-     * Make the socket non blocking so we can use select
-     */
+
+    // icmp_id is a 16 bit data type, therefore down cast the pid
+    pid = (jchar)getpid();
+
+    // Make the socket non blocking so we can use select
     SET_NONBLOCKING(fd);
     do {
-      /*
-       * create the ICMP request
-       */
-      icmp = (struct icmp *) sendbuf;
-      icmp->icmp_type = ICMP_ECHO;
-      icmp->icmp_code = 0;
-      icmp->icmp_id = htons(pid);
-      icmp->icmp_seq = htons(seq);
-      seq++;
-      gettimeofday(&tv, NULL);
-      memcpy(icmp->icmp_data, &tv, sizeof(tv));
-      plen = ICMP_ADVLENMIN + sizeof(tv);
-      icmp->icmp_cksum = 0;
-      icmp->icmp_cksum = in_cksum((u_short *)icmp, plen);
-      /*
-       * send it
-       */
-      n = sendto(fd, sendbuf, plen, 0, (struct sockaddr *)him,
-                 sizeof(struct sockaddr));
-      if (n < 0 && errno != EINPROGRESS ) {
-#ifdef __linux__
-        if (errno != EINVAL && errno != EHOSTUNREACH)
-          /*
-           * On some Linux versions, when a socket is bound to the loopback
-           * interface, sendto will fail and errno will be set to
-           * EINVAL or EHOSTUNREACH. When that happens, don't throw an
-           * exception, just return false.
-           */
-#endif /*__linux__ */
-          NET_ThrowNew(env, errno, "Can't send ICMP packet");
-        close(fd);
-        return JNI_FALSE;
-      }
+        // create the ICMP request
+        icmp = (struct icmp *)sendbuf;
+        icmp->icmp_type = ICMP_ECHO;
+        icmp->icmp_code = 0;
+        // let's tag the ECHO packet with our pid so we can identify it
+        icmp->icmp_id = htons(pid);
+        icmp->icmp_seq = htons(seq);
+        seq++;
+        gettimeofday(&tv, NULL);
+        memcpy(icmp->icmp_data, &tv, sizeof(tv));
+        icmp->icmp_cksum = 0;
+        // manually calculate checksum
+        icmp->icmp_cksum = in_cksum((u_short *)icmp, plen);
+        // send it
+        n = sendto(fd, sendbuf, plen, 0, &sa->sa, sizeof(struct sockaddr_in));
+        if (n < 0 && errno != EINPROGRESS) {
+#if defined(__linux__)
+            /*
+             * On some Linux versions, when a socket is bound to the loopback
+             * interface, sendto will fail and errno will be set to
+             * EINVAL or EHOSTUNREACH. When that happens, don't throw an
+             * exception, just return false.
+             */
+            if (errno != EINVAL && errno != EHOSTUNREACH) {
+                NET_ThrowNew(env, errno, "Can't send ICMP packet");
+            }
+#else
+            NET_ThrowNew(env, errno, "Can't send ICMP packet");
+#endif
+            close(fd);
+            return JNI_FALSE;
+        }
 
-      tmout2 = timeout > 1000 ? 1000 : timeout;
-      do {
-        tmout2 = NET_Wait(env, fd, NET_WAIT_READ, tmout2);
-        if (tmout2 >= 0) {
-          len = sizeof(sa_recv);
-          n = recvfrom(fd, recvbuf, sizeof(recvbuf), 0, (struct sockaddr *)&sa_recv, &len);
-          ip = (struct ip*) recvbuf;
-          hlen1 = (ip->ip_hl) << 2;
-          icmp = (struct icmp *) (recvbuf + hlen1);
-          icmplen = n - hlen1;
-          /*
-           * We did receive something, but is it what we were expecting?
-           * I.E.: A ICMP_ECHOREPLY packet with the proper PID.
-           */
-          if (icmplen >= 8 && icmp->icmp_type == ICMP_ECHOREPLY
-               && (ntohs(icmp->icmp_id) == pid)) {
-            if ((him->sin_addr.s_addr == sa_recv.sin_addr.s_addr)) {
-              close(fd);
-              return JNI_TRUE;
+        tmout2 = timeout > 1000 ? 1000 : timeout;
+        do {
+            tmout2 = NET_Wait(env, fd, NET_WAIT_READ, tmout2);
+            if (tmout2 >= 0) {
+                len = sizeof(sa_recv);
+                n = recvfrom(fd, recvbuf, sizeof(recvbuf), 0,
+                             (struct sockaddr *)&sa_recv, &len);
+                // check if we received enough data
+                if (n < (jint)sizeof(struct ip)) {
+                    continue;
+                }
+                ip = (struct ip *)recvbuf;
+                hlen = ((jint)(unsigned int)(ip->ip_hl)) << 2;
+                // check if we received enough data
+                if (n < (jint)(hlen + sizeof(struct icmp))) {
+                    continue;
+                }
+                icmp = (struct icmp *)(recvbuf + hlen);
+                // We did receive something, but is it what we were expecting?
+                // I.E.: An ICMP_ECHO_REPLY packet with the proper PID and
+                //       from the host that we are trying to determine is reachable.
+                if (icmp->icmp_type == ICMP_ECHOREPLY &&
+                    (ntohs(icmp->icmp_id) == pid))
+                {
+                    if (sa->sa4.sin_addr.s_addr == sa_recv.sin_addr.s_addr) {
+                        close(fd);
+                        return JNI_TRUE;
+                    } else if (sa->sa4.sin_addr.s_addr == 0) {
+                        close(fd);
+                        return JNI_TRUE;
+                    }
+                }
             }
-
-            if (him->sin_addr.s_addr == 0) {
-              close(fd);
-              return JNI_TRUE;
-            }
-         }
-
-        }
-      } while (tmout2 > 0);
-      timeout -= 1000;
-    } while (timeout >0);
+        } while (tmout2 > 0);
+        timeout -= 1000;
+    } while (timeout > 0);
     close(fd);
     return JNI_FALSE;
 }
@@ -413,149 +463,51 @@
  */
 JNIEXPORT jboolean JNICALL
 Java_java_net_Inet4AddressImpl_isReachable0(JNIEnv *env, jobject this,
-                                           jbyteArray addrArray,
-                                           jint timeout,
-                                           jbyteArray ifArray,
-                                           jint ttl) {
-    jint addr;
+                                            jbyteArray addrArray, jint timeout,
+                                            jbyteArray ifArray, jint ttl)
+{
     jbyte caddr[4];
-    jint fd;
-    struct sockaddr_in him;
-    struct sockaddr_in* netif = NULL;
-    struct sockaddr_in inf;
-    int len = 0;
-    int connect_rv = -1;
-    int sz;
+    jint addr = 0, sz, fd;
+    SOCKETADDRESS sa, inf, *netif = NULL;
 
-    memset((char *) caddr, 0, sizeof(caddr));
-    memset((char *) &him, 0, sizeof(him));
-    memset((char *) &inf, 0, sizeof(inf));
+    // check if address array size is 4 (IPv4 address)
     sz = (*env)->GetArrayLength(env, addrArray);
     if (sz != 4) {
       return JNI_FALSE;
     }
+
+    // convert IP address from byte array to integer
+    memset((char *)caddr, 0, sizeof(caddr));
     (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
-    addr = ((caddr[0]<<24) & 0xff000000);
-    addr |= ((caddr[1] <<16) & 0xff0000);
-    addr |= ((caddr[2] <<8) & 0xff00);
+    addr = ((caddr[0] << 24) & 0xff000000);
+    addr |= ((caddr[1] << 16) & 0xff0000);
+    addr |= ((caddr[2] << 8) & 0xff00);
     addr |= (caddr[3] & 0xff);
-    addr = htonl(addr);
-    him.sin_addr.s_addr = addr;
-    him.sin_family = AF_INET;
-    len = sizeof(him);
-    /*
-     * If a network interface was specified, let's create the address
-     * for it.
-     */
-    if (!(IS_NULL(ifArray))) {
-      memset((char *) caddr, 0, sizeof(caddr));
-      (*env)->GetByteArrayRegion(env, ifArray, 0, 4, caddr);
-      addr = ((caddr[0]<<24) & 0xff000000);
-      addr |= ((caddr[1] <<16) & 0xff0000);
-      addr |= ((caddr[2] <<8) & 0xff00);
-      addr |= (caddr[3] & 0xff);
-      addr = htonl(addr);
-      inf.sin_addr.s_addr = addr;
-      inf.sin_family = AF_INET;
-      inf.sin_port = 0;
-      netif = &inf;
-    }
+    memset((char *)&sa, 0, sizeof(SOCKETADDRESS));
+    sa.sa4.sin_addr.s_addr = htonl(addr);
+    sa.sa4.sin_family = AF_INET;
 
-    /*
-     * Let's try to create a RAW socket to send ICMP packets
-     * This usually requires "root" privileges, so it's likely to fail.
-     */
-    fd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
-    if (fd != -1) {
-      /*
-       * It didn't fail, so we can use ICMP_ECHO requests.
-       */
-      return ping4(env, fd, &him, timeout, netif, ttl);
-    }
-
-    /*
-     * Can't create a raw socket, so let's try a TCP socket
-     */
-    fd = socket(AF_INET, SOCK_STREAM, 0);
-    if (fd == -1) {
-        /* note: if you run out of fds, you may not be able to load
-         * the exception class, and get a NoClassDefFoundError
-         * instead.
-         */
-        NET_ThrowNew(env, errno, "Can't create socket");
-        return JNI_FALSE;
-    }
-    if (ttl > 0) {
-      setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
+    // If a network interface was specified, let's convert its address as well.
+    if (!(IS_NULL(ifArray))) {
+        memset((char *)caddr, 0, sizeof(caddr));
+        (*env)->GetByteArrayRegion(env, ifArray, 0, 4, caddr);
+        addr = ((caddr[0] << 24) & 0xff000000);
+        addr |= ((caddr[1] << 16) & 0xff0000);
+        addr |= ((caddr[2] << 8) & 0xff00);
+        addr |= (caddr[3] & 0xff);
+        memset((char *)&inf, 0, sizeof(SOCKETADDRESS));
+        inf.sa4.sin_addr.s_addr = htonl(addr);
+        inf.sa4.sin_family = AF_INET;
+        netif = &inf;
     }
 
-    /*
-     * A network interface was specified, so let's bind to it.
-     */
-    if (netif != NULL) {
-      if (bind(fd, (struct sockaddr*)netif, sizeof(struct sockaddr_in)) < 0) {
-        NET_ThrowNew(env, errno, "Can't bind socket");
-        close(fd);
-        return JNI_FALSE;
-      }
-    }
-
-    /*
-     * Make the socket non blocking so we can use select/poll.
-     */
-    SET_NONBLOCKING(fd);
-
-    him.sin_port = htons(7);    /* Echo */
-    connect_rv = NET_Connect(fd, (struct sockaddr *)&him, len);
-
-    /**
-     * connection established or refused immediately, either way it means
-     * we were able to reach the host!
-     */
-    if (connect_rv == 0 || errno == ECONNREFUSED) {
-        close(fd);
-        return JNI_TRUE;
+    // Let's try to create a RAW socket to send ICMP packets.
+    // This usually requires "root" privileges, so it's likely to fail.
+    fd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
+    if (fd == -1) {
+        return tcp_ping4(env, &sa, netif, timeout, ttl);
     } else {
-        socklen_t optlen = (socklen_t)sizeof(connect_rv);
-
-        switch (errno) {
-        case ENETUNREACH: /* Network Unreachable */
-        case EAFNOSUPPORT: /* Address Family not supported */
-        case EADDRNOTAVAIL: /* address is not available on  the  remote machine */
-#if defined(__linux__) || defined(_AIX)
-        case EINVAL:
-        case EHOSTUNREACH: /* No route to host */
-          /*
-           * On some Linux versions, when a socket is bound to the loopback
-           * interface, connect will fail and errno will be set to EINVAL
-           * or EHOSTUNREACH.  When that happens, don't throw an exception,
-           * just return false.
-           */
-#endif /* __linux__ */
-          close(fd);
-          return JNI_FALSE;
-        }
-
-        if (errno != EINPROGRESS) {
-          NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                                       "connect failed");
-          close(fd);
-          return JNI_FALSE;
-        }
-
-        timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
-        if (timeout >= 0) {
-          /* has connection been established? */
-          if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
-                         &optlen) <0) {
-            connect_rv = errno;
-          }
-          if (connect_rv == 0 || connect_rv == ECONNREFUSED) {
-            close(fd);
-            return JNI_TRUE;
-          }
-        }
-        close(fd);
-        return JNI_FALSE;
+        // It didn't fail, so we can use ICMP_ECHO requests.
+        return ping4(env, fd, &sa, netif, timeout, ttl);
     }
 }
--- a/jdk/src/java.base/unix/native/libnet/Inet6AddressImpl.c	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/unix/native/libnet/Inet6AddressImpl.c	Wed Jul 05 22:50:10 2017 +0200
@@ -38,17 +38,22 @@
 
 #include "net_util.h"
 
+#include "java_net_InetAddress.h"
 #include "java_net_Inet4AddressImpl.h"
 #include "java_net_Inet6AddressImpl.h"
-#include "java_net_InetAddress.h"
 
 /* the initial size of our hostent buffers */
 #ifndef NI_MAXHOST
 #define NI_MAXHOST 1025
 #endif
 
+#define SET_NONBLOCKING(fd) {       \
+    int flags = fcntl(fd, F_GETFL); \
+    flags |= O_NONBLOCK;            \
+    fcntl(fd, F_SETFL, flags);      \
+}
 
-/************************************************************************
+/*
  * Inet6AddressImpl
  */
 
@@ -59,58 +64,40 @@
  */
 JNIEXPORT jstring JNICALL
 Java_java_net_Inet6AddressImpl_getLocalHostName(JNIEnv *env, jobject this) {
-    int ret;
-    char hostname[NI_MAXHOST+1];
+    char hostname[NI_MAXHOST + 1];
 
     hostname[0] = '\0';
-    ret = gethostname(hostname, NI_MAXHOST);
-    if (ret == -1) {
-        /* Something went wrong, maybe networking is not setup? */
+    if (gethostname(hostname, NI_MAXHOST) != 0) {
         strcpy(hostname, "localhost");
-    } else {
-        // ensure null-terminated
-        hostname[NI_MAXHOST] = '\0';
-    }
-
 #if defined(__solaris__)
-    if (ret == 0) {
-        /* Solaris doesn't want to give us a fully qualified domain name.
-         * We do a reverse lookup to try and get one.  This works
-         * if DNS occurs before NIS in /etc/resolv.conf, but fails
-         * if NIS comes first (it still gets only a partial name).
-         * We use thread-safe system calls.
-         */
-        struct addrinfo  hints, *res;
-        int error;
+    } else {
+        // try to resolve hostname via nameservice
+        // if it is known but getnameinfo fails, hostname will still be the
+        // value from gethostname
+        struct addrinfo hints, *res;
 
+        // make sure string is null-terminated
+        hostname[NI_MAXHOST] = '\0';
         memset(&hints, 0, sizeof(hints));
         hints.ai_flags = AI_CANONNAME;
         hints.ai_family = AF_UNSPEC;
 
-        error = getaddrinfo(hostname, NULL, &hints, &res);
-
-        if (error == 0) {
-            /* host is known to name service */
-            error = getnameinfo(res->ai_addr,
-                                res->ai_addrlen,
-                                hostname,
-                                NI_MAXHOST,
-                                NULL,
-                                0,
-                                NI_NAMEREQD);
-
-            /* if getnameinfo fails hostname is still the value
-               from gethostname */
-
+        if (getaddrinfo(hostname, NULL, &hints, &res) == 0) {
+            getnameinfo(res->ai_addr, res->ai_addrlen, hostname, NI_MAXHOST,
+                        NULL, 0, NI_NAMEREQD);
             freeaddrinfo(res);
         }
     }
+#else
+    } else {
+        // make sure string is null-terminated
+        hostname[NI_MAXHOST] = '\0';
+    }
 #endif
-
     return (*env)->NewStringUTF(env, hostname);
 }
 
-#ifdef MACOSX
+#if defined(MACOSX)
 /* also called from Inet4AddressImpl.c */
 __private_extern__ jobjectArray
 lookupIfLocalhost(JNIEnv *env, const char *hostname, jboolean includeV6)
@@ -163,7 +150,7 @@
     struct ifaddrs *iter = ifa;
     while (iter) {
         int family = iter->ifa_addr->sa_family;
-        if (iter->ifa_name[0] != '\0'  &&  iter->ifa_addr)
+        if (iter->ifa_name[0] != '\0' && iter->ifa_addr)
         {
             jboolean isLoopback = iter->ifa_flags & IFF_LOOPBACK;
             if (family == AF_INET) {
@@ -172,9 +159,7 @@
             } else if (family == AF_INET6 && includeV6) {
                 addrs6++;
                 if (isLoopback) numV6Loopbacks++;
-            } else {
-                /* We don't care e.g. AF_LINK */
-            }
+            } // else we don't care, e.g. AF_LINK
         }
         iter = iter->ifa_next;
     }
@@ -205,9 +190,9 @@
         jboolean isLoopback = iter->ifa_flags & IFF_LOOPBACK;
         int family = iter->ifa_addr->sa_family;
 
-        if (iter->ifa_name[0] != '\0'  &&  iter->ifa_addr
-            && (family == AF_INET || (family == AF_INET6 && includeV6))
-            && (!isLoopback || includeLoopback))
+        if (iter->ifa_name[0] != '\0' && iter->ifa_addr &&
+            (family == AF_INET || (family == AF_INET6 && includeV6)) &&
+            (!isLoopback || includeLoopback))
         {
             int port;
             int index = (family == AF_INET) ? i++ : j++;
@@ -234,93 +219,65 @@
 #endif
 
 /*
- * Find an internet address for a given hostname.  Note that this
- * code only works for addresses of type INET. The translation
- * of %d.%d.%d.%d to an address (int) occurs in java now, so the
- * String "host" shouldn't *ever* be a %d.%d.%d.%d string
- *
  * Class:     java_net_Inet6AddressImpl
  * Method:    lookupAllHostAddr
  * Signature: (Ljava/lang/String;)[[B
  */
-
 JNIEXPORT jobjectArray JNICALL
 Java_java_net_Inet6AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
-                                                jstring host) {
+                                                 jstring host) {
+    jobjectArray ret = NULL;
     const char *hostname;
-    jobjectArray ret = 0;
-    int retLen = 0;
-
-    int getaddrinfo_error=0;
-    struct addrinfo hints, *res, *resNew = NULL;
+    int error = 0;
+    struct addrinfo hints, *res = NULL, *resNew = NULL, *last = NULL,
+        *iterator;
 
     initInetAddressIDs(env);
     JNU_CHECK_EXCEPTION_RETURN(env, NULL);
 
     if (IS_NULL(host)) {
-        JNU_ThrowNullPointerException(env, "host is null");
-        return 0;
+        JNU_ThrowNullPointerException(env, "host argument is null");
+        return NULL;
     }
     hostname = JNU_GetStringPlatformChars(env, host, JNI_FALSE);
     CHECK_NULL_RETURN(hostname, NULL);
 
-    /* Try once, with our static buffer. */
+    // try once, with our static buffer
     memset(&hints, 0, sizeof(hints));
     hints.ai_flags = AI_CANONNAME;
     hints.ai_family = AF_UNSPEC;
 
-#ifdef __solaris__
-    /*
-     * Workaround for Solaris bug 4160367 - if a hostname contains a
-     * white space then 0.0.0.0 is returned
-     */
-    if (isspace((unsigned char)hostname[0])) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException",
-                        hostname);
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
-        return NULL;
-    }
-#endif
+    error = getaddrinfo(hostname, NULL, &hints, &res);
 
-    getaddrinfo_error = getaddrinfo(hostname, NULL, &hints, &res);
-
-#ifdef MACOSX
-    if (getaddrinfo_error) {
-        /*
-         * If getaddrinfo fails looking up the local machine, attempt to get the
-         * address from getifaddrs. This ensures we get an IPv6 address for the
-         * local machine.
-         */
+    if (error) {
+#if defined(MACOSX)
+        // if getaddrinfo fails try getifaddrs
         ret = lookupIfLocalhost(env, hostname, JNI_TRUE);
         if (ret != NULL || (*env)->ExceptionCheck(env)) {
-            JNU_ReleaseStringPlatformChars(env, host, hostname);
-            return ret;
+            goto cleanupAndReturn;
         }
-    }
 #endif
-
-    if (getaddrinfo_error) {
-        /* report error */
-        NET_ThrowUnknownHostExceptionWithGaiError(
-            env, hostname, getaddrinfo_error);
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
-        return NULL;
+        // report error
+        NET_ThrowUnknownHostExceptionWithGaiError(env, hostname, error);
+        goto cleanupAndReturn;
     } else {
-        int i = 0, addressPreference = -1;
-        int inetCount = 0, inet6Count = 0, inetIndex = 0, inet6Index = 0, originalIndex = 0;
-        struct addrinfo *itr, *last = NULL, *iterator = res;
+        int i = 0, inetCount = 0, inet6Count = 0, inetIndex = 0,
+            inet6Index = 0, originalIndex = 0;
+        int addressPreference =
+            (*env)->GetStaticIntField(env, ia_class, ia_preferIPv6AddressID);;
+        iterator = res;
         while (iterator != NULL) {
+            // skip duplicates
             int skip = 0;
-            itr = resNew;
-            while (itr != NULL) {
-                if (iterator->ai_family == itr->ai_family &&
-                    iterator->ai_addrlen == itr->ai_addrlen) {
-                    if (itr->ai_family == AF_INET) { /* AF_INET */
+            struct addrinfo *iteratorNew = resNew;
+            while (iteratorNew != NULL) {
+                if (iterator->ai_family == iteratorNew->ai_family &&
+                    iterator->ai_addrlen == iteratorNew->ai_addrlen) {
+                    if (iteratorNew->ai_family == AF_INET) { /* AF_INET */
                         struct sockaddr_in *addr1, *addr2;
                         addr1 = (struct sockaddr_in *)iterator->ai_addr;
-                        addr2 = (struct sockaddr_in *)itr->ai_addr;
-                        if (addr1->sin_addr.s_addr ==
-                            addr2->sin_addr.s_addr) {
+                        addr2 = (struct sockaddr_in *)iteratorNew->ai_addr;
+                        if (addr1->sin_addr.s_addr == addr2->sin_addr.s_addr) {
                             skip = 1;
                             break;
                         }
@@ -328,7 +285,7 @@
                         int t;
                         struct sockaddr_in6 *addr1, *addr2;
                         addr1 = (struct sockaddr_in6 *)iterator->ai_addr;
-                        addr2 = (struct sockaddr_in6 *)itr->ai_addr;
+                        addr2 = (struct sockaddr_in6 *)iteratorNew->ai_addr;
 
                         for (t = 0; t < 16; t++) {
                             if (addr1->sin6_addr.s6_addr[t] !=
@@ -337,7 +294,7 @@
                             }
                         }
                         if (t < 16) {
-                            itr = itr->ai_next;
+                            iteratorNew = iteratorNew->ai_next;
                             continue;
                         } else {
                             skip = 1;
@@ -346,16 +303,16 @@
                     }
                 } else if (iterator->ai_family != AF_INET &&
                            iterator->ai_family != AF_INET6) {
-                    /* we can't handle other family types */
+                    // we can't handle other family types
                     skip = 1;
                     break;
                 }
-                itr = itr->ai_next;
+                iteratorNew = iteratorNew->ai_next;
             }
 
             if (!skip) {
                 struct addrinfo *next
-                    = (struct addrinfo*) malloc(sizeof(struct addrinfo));
+                    = (struct addrinfo *)malloc(sizeof(struct addrinfo));
                 if (!next) {
                     JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                     ret = NULL;
@@ -371,39 +328,33 @@
                 last = next;
                 i++;
                 if (iterator->ai_family == AF_INET) {
-                    inetCount ++;
+                    inetCount++;
                 } else if (iterator->ai_family == AF_INET6) {
-                    inet6Count ++;
+                    inet6Count++;
                 }
             }
             iterator = iterator->ai_next;
         }
-        retLen = i;
-        iterator = resNew;
 
-        ret = (*env)->NewObjectArray(env, retLen, ia_class, NULL);
-
+        // allocate array - at this point i contains the number of addresses
+        ret = (*env)->NewObjectArray(env, i, ia_class, NULL);
         if (IS_NULL(ret)) {
             /* we may have memory to free at the end of this */
             goto cleanupAndReturn;
         }
 
-        addressPreference = (*env)->GetStaticIntField(env, ia_class, ia_preferIPv6AddressID);
-
         if (addressPreference == java_net_InetAddress_PREFER_IPV6_VALUE) {
-            /* AF_INET addresses will be offset by inet6Count */
             inetIndex = inet6Count;
             inet6Index = 0;
         } else if (addressPreference == java_net_InetAddress_PREFER_IPV4_VALUE) {
-            /* AF_INET6 addresses will be offset by inetCount */
             inetIndex = 0;
             inet6Index = inetCount;
         } else if (addressPreference == java_net_InetAddress_PREFER_SYSTEM_VALUE) {
             inetIndex = inet6Index = originalIndex = 0;
         }
 
+        iterator = resNew;
         while (iterator != NULL) {
-            jboolean ret1;
             if (iterator->ai_family == AF_INET) {
                 jobject iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
                 if (IS_NULL(iaObj)) {
@@ -416,7 +367,7 @@
                 inetIndex++;
             } else if (iterator->ai_family == AF_INET6) {
                 jint scope = 0;
-
+                jboolean ret1;
                 jobject iaObj = (*env)->NewObject(env, ia6_class, ia6_ctrID);
                 if (IS_NULL(iaObj)) {
                     ret = NULL;
@@ -427,9 +378,8 @@
                     ret = NULL;
                     goto cleanupAndReturn;
                 }
-
-                scope = ((struct sockaddr_in6*)iterator->ai_addr)->sin6_scope_id;
-                if (scope != 0) { /* zero is default value, no need to set */
+                scope = ((struct sockaddr_in6 *)iterator->ai_addr)->sin6_scope_id;
+                if (scope != 0) { // zero is default value, no need to set
                     setInet6Address_scopeid(env, iaObj, scope);
                 }
                 setInetAddress_hostName(env, iaObj, host);
@@ -443,21 +393,16 @@
             iterator = iterator->ai_next;
         }
     }
-
- cleanupAndReturn:
-    {
-      struct addrinfo *iterator, *tmp;
-        iterator = resNew;
-        while (iterator != NULL) {
-            tmp = iterator;
-            iterator = iterator->ai_next;
-            free(tmp);
-        }
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
+cleanupAndReturn:
+    JNU_ReleaseStringPlatformChars(env, host, hostname);
+    while (resNew != NULL) {
+        last = resNew;
+        resNew = resNew->ai_next;
+        free(last);
     }
-
-    freeaddrinfo(res);
-
+    if (res != NULL) {
+        freeaddrinfo(res);
+    }
     return ret;
 }
 
@@ -465,171 +410,252 @@
  * Class:     java_net_Inet6AddressImpl
  * Method:    getHostByAddr
  * Signature: (I)Ljava/lang/String;
+ *
+ * Theoretically the UnknownHostException could be enriched with gai error
+ * information. But as it is silently ignored anyway, there's no need for this.
+ * It's only important that either a valid hostname is returned or an
+ * UnknownHostException is thrown.
  */
 JNIEXPORT jstring JNICALL
 Java_java_net_Inet6AddressImpl_getHostByAddr(JNIEnv *env, jobject this,
-                                            jbyteArray addrArray) {
-
+                                             jbyteArray addrArray) {
     jstring ret = NULL;
-
-    char host[NI_MAXHOST+1];
-    int error = 0;
+    char host[NI_MAXHOST + 1];
     int len = 0;
     jbyte caddr[16];
+    SOCKETADDRESS sa;
 
-    struct sockaddr_in him4;
-    struct sockaddr_in6 him6;
-    struct sockaddr *sa;
+    memset((void *)&sa, 0, sizeof(SOCKETADDRESS));
 
-    /*
-     * For IPv4 addresses construct a sockaddr_in structure.
-     */
+    // construct a sockaddr_in structure (AF_INET or AF_INET6)
     if ((*env)->GetArrayLength(env, addrArray) == 4) {
         jint addr;
         (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
-        addr = ((caddr[0]<<24) & 0xff000000);
-        addr |= ((caddr[1] <<16) & 0xff0000);
-        addr |= ((caddr[2] <<8) & 0xff00);
+        addr = ((caddr[0] << 24) & 0xff000000);
+        addr |= ((caddr[1] << 16) & 0xff0000);
+        addr |= ((caddr[2] << 8) & 0xff00);
         addr |= (caddr[3] & 0xff);
-        memset((void *) &him4, 0, sizeof(him4));
-        him4.sin_addr.s_addr = htonl(addr);
-        him4.sin_family = AF_INET;
-        sa = (struct sockaddr *)&him4;
-        len = sizeof(him4);
+        sa.sa4.sin_addr.s_addr = htonl(addr);
+        sa.sa4.sin_family = AF_INET;
+        len = sizeof(struct sockaddr_in);
     } else {
-        /*
-         * For IPv6 address construct a sockaddr_in6 structure.
-         */
         (*env)->GetByteArrayRegion(env, addrArray, 0, 16, caddr);
-        memset((void *)&him6, 0, sizeof(him6));
-        memcpy((void *)&(him6.sin6_addr), caddr, sizeof(struct in6_addr));
-        him6.sin6_family = AF_INET6;
-        sa = (struct sockaddr *)&him6;
-        len = sizeof(him6);
+        memcpy((void *)&sa.sa6.sin6_addr, caddr, sizeof(struct in6_addr));
+        sa.sa6.sin6_family = AF_INET6;
+        len = sizeof(struct sockaddr_in6);
     }
 
-    error = getnameinfo(sa, len, host, NI_MAXHOST, NULL, 0, NI_NAMEREQD);
-
-    if (!error) {
+    if (getnameinfo(&sa.sa, len, host, NI_MAXHOST, NULL, 0, NI_NAMEREQD)) {
+        JNU_ThrowByName(env, "java/net/UnknownHostException", NULL);
+    } else {
         ret = (*env)->NewStringUTF(env, host);
-        CHECK_NULL_RETURN(ret, NULL);
-    }
-
-    if (ret == NULL) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", NULL);
+        if (ret == NULL) {
+            JNU_ThrowByName(env, "java/net/UnknownHostException", NULL);
+        }
     }
 
     return ret;
 }
 
-#define SET_NONBLOCKING(fd) {           \
-        int flags = fcntl(fd, F_GETFL); \
-        flags |= O_NONBLOCK;            \
-        fcntl(fd, F_SETFL, flags);      \
+/**
+ * ping implementation using tcp port 7 (echo)
+ */
+static jboolean
+tcp_ping6(JNIEnv *env, SOCKETADDRESS *sa, SOCKETADDRESS *netif, jint timeout,
+          jint ttl)
+{
+    jint fd;
+    int connect_rv = -1;
+
+    // open a TCP socket
+    fd = socket(AF_INET6, SOCK_STREAM, 0);
+    if (fd == -1) {
+        // note: if you run out of fds, you may not be able to load
+        // the exception class, and get a NoClassDefFoundError instead.
+        NET_ThrowNew(env, errno, "Can't create socket");
+        return JNI_FALSE;
+    }
+
+    // set TTL
+    if (ttl > 0) {
+        setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
+    }
+
+    // A network interface was specified, so let's bind to it.
+    if (netif != NULL) {
+        if (bind(fd, &netif->sa, sizeof(struct sockaddr_in6)) <0) {
+            NET_ThrowNew(env, errno, "Can't bind socket");
+            close(fd);
+            return JNI_FALSE;
+        }
+    }
+
+    // Make the socket non blocking so we can use select/poll.
+    SET_NONBLOCKING(fd);
+
+    sa->sa6.sin6_port = htons(7); // echo port
+    connect_rv = NET_Connect(fd, &sa->sa, sizeof(struct sockaddr_in6));
+
+    // connection established or refused immediately, either way it means
+    // we were able to reach the host!
+    if (connect_rv == 0 || errno == ECONNREFUSED) {
+        close(fd);
+        return JNI_TRUE;
+    }
+
+    switch (errno) {
+    case ENETUNREACH:   // Network Unreachable
+    case EAFNOSUPPORT:  // Address Family not supported
+    case EADDRNOTAVAIL: // address is not available on the remote machine
+#if defined(__linux__) || defined(_AIX)
+        // On some Linux versions, when a socket is bound to the loopback
+        // interface, connect will fail and errno will be set to EINVAL
+        // or EHOSTUNREACH.  When that happens, don't throw an exception,
+        // just return false.
+    case EINVAL:
+    case EHOSTUNREACH:  // No route to host
+#endif
+        close(fd);
+        return JNI_FALSE;
+    case EINPROGRESS:   // this is expected as we'll probably have to wait
+        break;
+    default:
+        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                                     "connect failed");
+        close(fd);
+        return JNI_FALSE;
+    }
+
+    timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
+    if (timeout >= 0) {
+        // connection has been established, check for error condition
+        socklen_t optlen = (socklen_t)sizeof(connect_rv);
+        if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
+                       &optlen) <0)
+        {
+            connect_rv = errno;
+        }
+        if (connect_rv == 0 || connect_rv == ECONNREFUSED) {
+            close(fd);
+            return JNI_TRUE;
+        }
+    }
+    close(fd);
+    return JNI_FALSE;
 }
 
+/**
+ * ping implementation.
+ * Send an ICMP_ECHO_REQUEST packet every second until either the timeout
+ * expires or an answer is received.
+ * Returns true if an ECHO_REPLY is received, false otherwise.
+ */
 static jboolean
-ping6(JNIEnv *env, jint fd, struct sockaddr_in6* him, jint timeout,
-      struct sockaddr_in6* netif, jint ttl) {
-    jint size;
-    jint n;
+ping6(JNIEnv *env, jint fd, SOCKETADDRESS *sa, SOCKETADDRESS *netif,
+      jint timeout, jint ttl)
+{
+    jint n, size = 60 * 1024, tmout2, seq = 1;
     socklen_t len;
-    char sendbuf[1500];
-    unsigned char recvbuf[1500];
+    unsigned char sendbuf[1500], recvbuf[1500];
     struct icmp6_hdr *icmp6;
     struct sockaddr_in6 sa_recv;
-    jbyte *caddr, *recv_caddr;
     jchar pid;
-    jint tmout2, seq = 1;
     struct timeval tv;
-    size_t plen;
+    size_t plen = sizeof(struct icmp6_hdr) + sizeof(tv);
 
-#ifdef __linux__
-    {
-    int csum_offset;
+#if defined(__linux__)
     /**
      * For some strange reason, the linux kernel won't calculate the
      * checksum of ICMPv6 packets unless you set this socket option
      */
-    csum_offset = 2;
+    int csum_offset = 2;
     setsockopt(fd, SOL_RAW, IPV6_CHECKSUM, &csum_offset, sizeof(int));
-    }
 #endif
 
-    caddr = (jbyte *)&(him->sin6_addr);
+    setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));
 
-    /* icmp_id is a 16 bit data type, therefore down cast the pid */
-    pid = (jchar)getpid();
-    size = 60*1024;
-    setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));
+    // sets the ttl (max number of hops)
     if (ttl > 0) {
-      setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
+        setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
     }
+
+    // a specific interface was specified, so let's bind the socket
+    // to that interface to ensure the requests are sent only through it.
     if (netif != NULL) {
-      if (bind(fd, (struct sockaddr*)netif, sizeof(struct sockaddr_in6)) <0) {
-        NET_ThrowNew(env, errno, "Can't bind socket");
-        close(fd);
-        return JNI_FALSE;
-      }
+        if (bind(fd, &netif->sa, sizeof(struct sockaddr_in6)) <0) {
+            NET_ThrowNew(env, errno, "Can't bind socket");
+            close(fd);
+            return JNI_FALSE;
+        }
     }
+
+    // icmp_id is a 16 bit data type, therefore down cast the pid
+    pid = (jchar)getpid();
+
+    // Make the socket non blocking so we can use select
     SET_NONBLOCKING(fd);
-
     do {
-      icmp6 = (struct icmp6_hdr *) sendbuf;
-      icmp6->icmp6_type = ICMP6_ECHO_REQUEST;
-      icmp6->icmp6_code = 0;
-      /* let's tag the ECHO packet with our pid so we can identify it */
-      icmp6->icmp6_id = htons(pid);
-      icmp6->icmp6_seq = htons(seq);
-      seq++;
-      icmp6->icmp6_cksum = 0;
-      gettimeofday(&tv, NULL);
-      memcpy(sendbuf + sizeof(struct icmp6_hdr), &tv, sizeof(tv));
-      plen = sizeof(struct icmp6_hdr) + sizeof(tv);
-      n = sendto(fd, sendbuf, plen, 0, (struct sockaddr*) him, sizeof(struct sockaddr_in6));
-      if (n < 0 && errno != EINPROGRESS) {
-#ifdef __linux__
-        if (errno != EINVAL && errno != EHOSTUNREACH)
-          /*
-           * On some Linux versions, when a socket is  bound to the
-           * loopback interface, sendto will fail and errno will be
-           * set to EINVAL or EHOSTUNREACH.
-           * When that happens, don't throw an exception, just return false.
-           */
-#endif /*__linux__ */
-        NET_ThrowNew(env, errno, "Can't send ICMP packet");
-        close(fd);
-        return JNI_FALSE;
-      }
+        // create the ICMP request
+        icmp6 = (struct icmp6_hdr *)sendbuf;
+        icmp6->icmp6_type = ICMP6_ECHO_REQUEST;
+        icmp6->icmp6_code = 0;
+        // let's tag the ECHO packet with our pid so we can identify it
+        icmp6->icmp6_id = htons(pid);
+        icmp6->icmp6_seq = htons(seq);
+        seq++;
+        gettimeofday(&tv, NULL);
+        memcpy(sendbuf + sizeof(struct icmp6_hdr), &tv, sizeof(tv));
+        icmp6->icmp6_cksum = 0;
+        // send it
+        n = sendto(fd, sendbuf, plen, 0, &sa->sa, sizeof(struct sockaddr_in6));
+        if (n < 0 && errno != EINPROGRESS) {
+#if defined(__linux__)
+            /*
+             * On some Linux versions, when a socket is bound to the loopback
+             * interface, sendto will fail and errno will be set to
+             * EINVAL or EHOSTUNREACH. When that happens, don't throw an
+             * exception, just return false.
+             */
+            if (errno != EINVAL && errno != EHOSTUNREACH) {
+                NET_ThrowNew(env, errno, "Can't send ICMP packet");
+            }
+#else
+            NET_ThrowNew(env, errno, "Can't send ICMP packet");
+#endif
+            close(fd);
+            return JNI_FALSE;
+        }
 
-      tmout2 = timeout > 1000 ? 1000 : timeout;
-      do {
-        tmout2 = NET_Wait(env, fd, NET_WAIT_READ, tmout2);
-
-        if (tmout2 >= 0) {
-          len = sizeof(sa_recv);
-          n = recvfrom(fd, recvbuf, sizeof(recvbuf), 0, (struct sockaddr*) &sa_recv, &len);
-          icmp6 = (struct icmp6_hdr *) (recvbuf);
-          recv_caddr = (jbyte *)&(sa_recv.sin6_addr);
-          /*
-           * We did receive something, but is it what we were expecting?
-           * I.E.: An ICMP6_ECHO_REPLY packet with the proper PID and
-           *       from the host that we are trying to determine is reachable.
-           */
-          if (n >= 8 && icmp6->icmp6_type == ICMP6_ECHO_REPLY &&
-              (ntohs(icmp6->icmp6_id) == pid)) {
-            if (NET_IsEqual(caddr, recv_caddr)) {
-              close(fd);
-              return JNI_TRUE;
+        tmout2 = timeout > 1000 ? 1000 : timeout;
+        do {
+            tmout2 = NET_Wait(env, fd, NET_WAIT_READ, tmout2);
+            if (tmout2 >= 0) {
+                len = sizeof(sa_recv);
+                n = recvfrom(fd, recvbuf, sizeof(recvbuf), 0,
+                             (struct sockaddr *)&sa_recv, &len);
+                // check if we received enough data
+                if (n < (jint)sizeof(struct icmp6_hdr)) {
+                    continue;
+                }
+                icmp6 = (struct icmp6_hdr *)recvbuf;
+                // We did receive something, but is it what we were expecting?
+                // I.E.: An ICMP6_ECHO_REPLY packet with the proper PID and
+                //       from the host that we are trying to determine is reachable.
+                if (icmp6->icmp6_type == ICMP6_ECHO_REPLY &&
+                    (ntohs(icmp6->icmp6_id) == pid))
+                {
+                    if (NET_IsEqual((jbyte *)&sa->sa6.sin6_addr,
+                                    (jbyte *)&sa_recv.sin6_addr)) {
+                        close(fd);
+                        return JNI_TRUE;
+                    } else if (NET_IsZeroAddr((jbyte *)&sa->sa6.sin6_addr)) {
+                        close(fd);
+                        return JNI_TRUE;
+                    }
+                }
             }
-            if (NET_IsZeroAddr(caddr)) {
-              close(fd);
-              return JNI_TRUE;
-            }
-          }
-        }
-      } while (tmout2 > 0);
-      timeout -= 1000;
+        } while (tmout2 > 0);
+        timeout -= 1000;
     } while (timeout > 0);
     close(fd);
     return JNI_FALSE;
@@ -642,157 +668,61 @@
  */
 JNIEXPORT jboolean JNICALL
 Java_java_net_Inet6AddressImpl_isReachable0(JNIEnv *env, jobject this,
-                                           jbyteArray addrArray,
-                                           jint scope,
-                                           jint timeout,
-                                           jbyteArray ifArray,
-                                           jint ttl, jint if_scope) {
+                                            jbyteArray addrArray, jint scope,
+                                            jint timeout, jbyteArray ifArray,
+                                            jint ttl, jint if_scope)
+{
     jbyte caddr[16];
-    jint fd, sz;
-    struct sockaddr_in6 him6;
-    struct sockaddr_in6 inf6;
-    struct sockaddr_in6* netif = NULL;
-    int len = 0;
-    int connect_rv = -1;
+    jint sz, fd;
+    SOCKETADDRESS sa, inf, *netif = NULL;
 
-    /*
-     * If IPv6 is not enable, then we can't reach an IPv6 address, can we?
-     */
+    // If IPv6 is not enabled, then we can't reach an IPv6 address, can we?
+    // Actually, we probably shouldn't even get here.
     if (!ipv6_available()) {
-      return JNI_FALSE;
-    }
-    /*
-     * If it's an IPv4 address, ICMP won't work with IPv4 mapped address,
-     * therefore, let's delegate to the Inet4Address method.
-     */
-    sz = (*env)->GetArrayLength(env, addrArray);
-    if (sz == 4) {
-      return Java_java_net_Inet4AddressImpl_isReachable0(env, this,
-                                                         addrArray,
-                                                         timeout,
-                                                         ifArray, ttl);
+        return JNI_FALSE;
     }
 
-    memset((void *) caddr, 0, 16);
-    memset((void *) &him6, 0, sizeof(him6));
-    (*env)->GetByteArrayRegion(env, addrArray, 0, 16, caddr);
-    memcpy((void *)&(him6.sin6_addr), caddr, sizeof(struct in6_addr) );
-    him6.sin6_family = AF_INET6;
-#ifdef __linux__
-    if (scope > 0)
-      him6.sin6_scope_id = scope;
-    else
-      him6.sin6_scope_id = getDefaultIPv6Interface( &(him6.sin6_addr));
-    len = sizeof(struct sockaddr_in6);
-#else
-    if (scope > 0)
-      him6.sin6_scope_id = scope;
-    len = sizeof(struct sockaddr_in6);
-#endif
-    /*
-     * If a network interface was specified, let's create the address
-     * for it.
-     */
-    if (!(IS_NULL(ifArray))) {
-      memset((void *) caddr, 0, 16);
-      memset((void *) &inf6, 0, sizeof(inf6));
-      (*env)->GetByteArrayRegion(env, ifArray, 0, 16, caddr);
-      memcpy((void *)&(inf6.sin6_addr), caddr, sizeof(struct in6_addr) );
-      inf6.sin6_family = AF_INET6;
-      inf6.sin6_scope_id = if_scope;
-      netif = &inf6;
-    }
-    /*
-     * If we can create a RAW socket, then when can use the ICMP ECHO_REQUEST
-     * otherwise we'll try a tcp socket to the Echo port (7).
-     * Note that this is empiric, and not connecting could mean it's blocked
-     * or the echo service has been disabled.
-     */
-
-    fd = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
-
-    if (fd != -1) { /* Good to go, let's do a ping */
-        return ping6(env, fd, &him6, timeout, netif, ttl);
+    // If it's an IPv4 address, ICMP won't work with IPv4 mapped address,
+    // therefore, let's delegate to the Inet4Address method.
+    sz = (*env)->GetArrayLength(env, addrArray);
+    if (sz == 4) {
+        return Java_java_net_Inet4AddressImpl_isReachable0(env, this,
+                                                           addrArray, timeout,
+                                                           ifArray, ttl);
     }
 
-    /* No good, let's fall back on TCP */
-    fd = socket(AF_INET6, SOCK_STREAM, 0);
-    if (fd == -1) {
-        /* note: if you run out of fds, you may not be able to load
-         * the exception class, and get a NoClassDefFoundError
-         * instead.
-         */
-        NET_ThrowNew(env, errno, "Can't create socket");
-        return JNI_FALSE;
-    }
-    if (ttl > 0) {
-      setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
+    // load address to SOCKETADDRESS
+    memset((char *)caddr, 0, 16);
+    (*env)->GetByteArrayRegion(env, addrArray, 0, 16, caddr);
+    memset((char *)&sa, 0, sizeof(SOCKETADDRESS));
+    memcpy((void *)&sa.sa6.sin6_addr, caddr, sizeof(struct in6_addr));
+    sa.sa6.sin6_family = AF_INET6;
+    if (scope > 0) {
+        sa.sa6.sin6_scope_id = scope;
+#if defined(__linux__)
+    } else {
+        sa.sa6.sin6_scope_id = getDefaultIPv6Interface(&sa.sa6.sin6_addr);
+#endif
     }
 
-    /*
-     * A network interface was specified, so let's bind to it.
-     */
-    if (netif != NULL) {
-      if (bind(fd, (struct sockaddr*)netif, sizeof(struct sockaddr_in6)) <0) {
-        NET_ThrowNew(env, errno, "Can't bind socket");
-        close(fd);
-        return JNI_FALSE;
-      }
+    // load network interface address to SOCKETADDRESS, if specified
+    if (!(IS_NULL(ifArray))) {
+        memset((char *)caddr, 0, 16);
+        (*env)->GetByteArrayRegion(env, ifArray, 0, 16, caddr);
+        memset((char *)&inf, 0, sizeof(SOCKETADDRESS));
+        memcpy((void *)&inf.sa6.sin6_addr, caddr, sizeof(struct in6_addr));
+        inf.sa6.sin6_family = AF_INET6;
+        inf.sa6.sin6_scope_id = if_scope;
+        netif = &inf;
     }
-    SET_NONBLOCKING(fd);
-
-    him6.sin6_port = htons((short) 7); /* Echo port */
-    connect_rv = NET_Connect(fd, (struct sockaddr *)&him6, len);
-
-    /**
-     * connection established or refused immediately, either way it means
-     * we were able to reach the host!
-     */
-    if (connect_rv == 0 || errno == ECONNREFUSED) {
-        close(fd);
-        return JNI_TRUE;
-    } else {
-        socklen_t optlen = (socklen_t)sizeof(connect_rv);
 
-        switch (errno) {
-        case ENETUNREACH: /* Network Unreachable */
-        case EAFNOSUPPORT: /* Address Family not supported */
-        case EADDRNOTAVAIL: /* address is not available on  the  remote machine */
-#if defined(__linux__) || defined(_AIX)
-        case EINVAL:
-        case EHOSTUNREACH: /* No route to host */
-          /*
-           * On some Linux versions, when  a socket is bound to the
-           * loopback interface, connect will fail and errno will
-           * be set to EINVAL or EHOSTUNREACH.  When that happens,
-           * don't throw an exception, just return false.
-           */
-#endif /* __linux__ */
-          close(fd);
-          return JNI_FALSE;
-        }
-
-        if (errno != EINPROGRESS) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                                         "connect failed");
-            close(fd);
-            return JNI_FALSE;
-        }
-
-        timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
-
-        if (timeout >= 0) {
-          /* has connection been established */
-          if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
-                         &optlen) <0) {
-            connect_rv = errno;
-          }
-          if (connect_rv == 0 || connect_rv == ECONNREFUSED) {
-            close(fd);
-            return JNI_TRUE;
-          }
-        }
-        close(fd);
-        return JNI_FALSE;
+    // Let's try to create a RAW socket to send ICMP packets.
+    // This usually requires "root" privileges, so it's likely to fail.
+    fd = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
+    if (fd == -1) {
+        return tcp_ping6(env, &sa, netif, timeout, ttl);
+    } else {
+        // It didn't fail, so we can use ICMP_ECHO requests.
+        return ping6(env, fd, &sa, netif, timeout, ttl);
     }
 }
--- a/jdk/src/java.base/windows/native/libnet/Inet4AddressImpl.c	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/windows/native/libnet/Inet4AddressImpl.c	Wed Jul 05 22:50:10 2017 +0200
@@ -30,60 +30,6 @@
 #include "java_net_Inet4AddressImpl.h"
 
 /*
- * Returns true if hostname is in dotted IP address format. Note that this
- * function performs a syntax check only. For each octet it just checks that
- * the octet is at most 3 digits.
- */
-jboolean isDottedIPAddress(const char *hostname, unsigned int *addrp) {
-    char *c = (char *)hostname;
-    int octets = 0;
-    unsigned int cur = 0;
-    int digit_cnt = 0;
-
-    while (*c) {
-        if (*c == '.') {
-            if (digit_cnt == 0) {
-                return JNI_FALSE;
-            } else {
-                if (octets < 4) {
-                    addrp[octets++] = cur;
-                    cur = 0;
-                    digit_cnt = 0;
-                } else {
-                    return JNI_FALSE;
-                }
-            }
-            c++;
-            continue;
-        }
-
-        if ((*c < '0') || (*c > '9')) {
-            return JNI_FALSE;
-        }
-
-        digit_cnt++;
-        if (digit_cnt > 3) {
-            return JNI_FALSE;
-        }
-
-        /* don't check if current octet > 255 */
-        cur = cur*10 + (*c - '0');
-
-        /* Move onto next character and check for EOF */
-        c++;
-        if (*c == '\0') {
-            if (octets < 4) {
-                addrp[octets++] = cur;
-            } else {
-                return JNI_FALSE;
-            }
-        }
-    }
-
-    return (jboolean)(octets == 4);
-}
-
-/*
  * Inet4AddressImpl
  */
 
@@ -93,17 +39,17 @@
  * Signature: ()Ljava/lang/String;
  */
 JNIEXPORT jstring JNICALL
-Java_java_net_Inet4AddressImpl_getLocalHostName (JNIEnv *env, jobject this) {
+Java_java_net_Inet4AddressImpl_getLocalHostName(JNIEnv *env, jobject this) {
     char hostname[256];
 
-    if (gethostname(hostname, sizeof hostname) == -1) {
+    if (gethostname(hostname, sizeof(hostname)) == -1) {
         strcpy(hostname, "localhost");
     }
     return JNU_NewStringPlatform(env, hostname);
 }
 
 /*
- * Find an internet address for a given hostname.  Not this this
+ * Find an internet address for a given hostname. Note that this
  * code only works for addresses of type INET. The translation
  * of %d.%d.%d.%d to an address (int) occurs in java now, so the
  * String "host" shouldn't be a %d.%d.%d.%d string. The only
@@ -120,7 +66,6 @@
     jobjectArray ret = NULL;
     const char *hostname;
     int error = 0;
-    unsigned int addr[4];
     struct addrinfo hints, *res = NULL, *resNew = NULL, *last = NULL,
         *iterator;
 
@@ -134,57 +79,6 @@
     hostname = JNU_GetStringPlatformChars(env, host, JNI_FALSE);
     CHECK_NULL_RETURN(hostname, NULL);
 
-    /*
-     * The NT/2000 resolver tolerates a space in front of localhost. This
-     * is not consistent with other implementations of gethostbyname.
-     * In addition we must do a white space check on Solaris to avoid a
-     * bug whereby 0.0.0.0 is returned if any host name has a white space.
-     */
-    if (isspace(hostname[0])) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", hostname);
-        goto cleanupAndReturn;
-    }
-
-    /*
-     * If the format is x.x.x.x then don't use gethostbyname as Windows
-     * is unable to handle octets which are out of range.
-     */
-    if (isDottedIPAddress(hostname, &addr[0])) {
-        unsigned int address;
-        jobject iaObj;
-
-        /*
-         * Are any of the octets out of range?
-         */
-        if (addr[0] > 255 || addr[1] > 255 || addr[2] > 255 || addr[3] > 255) {
-            JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", hostname);
-            goto cleanupAndReturn;
-        }
-
-        /*
-         * Return an byte array with the populated address.
-         */
-        address = (addr[3] << 24) & 0xff000000;
-        address |= (addr[2] << 16) & 0xff0000;
-        address |= (addr[1] << 8) & 0xff00;
-        address |= addr[0];
-
-        ret = (*env)->NewObjectArray(env, 1, ia_class, NULL);
-
-        if (IS_NULL(ret)) {
-            goto cleanupAndReturn;
-        }
-
-        iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
-        if (IS_NULL(iaObj)) {
-            ret = NULL;
-            goto cleanupAndReturn;
-        }
-        setInetAddress_addr(env, iaObj, ntohl(address));
-        (*env)->SetObjectArrayElement(env, ret, 0, iaObj);
-        goto cleanupAndReturn;
-    }
-
     // try once, with our static buffer
     memset(&hints, 0, sizeof(hints));
     hints.ai_flags = AI_CANONNAME;
@@ -193,6 +87,7 @@
     error = getaddrinfo(hostname, NULL, &hints, &res);
 
     if (error) {
+        // report error
         NET_ThrowByNameWithLastError(env, "java/net/UnknownHostException",
                                      hostname);
         goto cleanupAndReturn;
@@ -311,145 +206,86 @@
     return ret;
 }
 
+/**
+ * ping implementation using tcp port 7 (echo)
+ */
 static jboolean
-tcp_ping4(JNIEnv *env,
-          jbyteArray addrArray,
-          jint timeout,
-          jbyteArray ifArray,
+tcp_ping4(JNIEnv *env, SOCKETADDRESS *sa, SOCKETADDRESS *netif, jint timeout,
           jint ttl)
 {
-    jint addr;
-    jbyte caddr[4];
     jint fd;
-    struct sockaddr_in him;
-    struct sockaddr_in* netif = NULL;
-    struct sockaddr_in inf;
-    int len = 0;
+    int connect_rv = -1;
     WSAEVENT hEvent;
-    int connect_rv = -1;
-    int sz;
 
-    /**
-     * Convert IP address from byte array to integer
-     */
-    sz = (*env)->GetArrayLength(env, addrArray);
-    if (sz != 4) {
-        return JNI_FALSE;
-    }
-    memset((char *) &him, 0, sizeof(him));
-    memset((char *) caddr, 0, sizeof(caddr));
-    (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
-    addr = ((caddr[0]<<24) & 0xff000000);
-    addr |= ((caddr[1] <<16) & 0xff0000);
-    addr |= ((caddr[2] <<8) & 0xff00);
-    addr |= (caddr[3] & 0xff);
-    addr = htonl(addr);
-    /**
-     * Socket address
-     */
-    him.sin_addr.s_addr = addr;
-    him.sin_family = AF_INET;
-    len = sizeof(him);
-
-    /**
-     * If a network interface was specified, let's convert its address
-     * as well.
-     */
-    if (!(IS_NULL(ifArray))) {
-        memset((char *) caddr, 0, sizeof(caddr));
-        (*env)->GetByteArrayRegion(env, ifArray, 0, 4, caddr);
-        addr = ((caddr[0]<<24) & 0xff000000);
-        addr |= ((caddr[1] <<16) & 0xff0000);
-        addr |= ((caddr[2] <<8) & 0xff00);
-        addr |= (caddr[3] & 0xff);
-        addr = htonl(addr);
-        inf.sin_addr.s_addr = addr;
-        inf.sin_family = AF_INET;
-        inf.sin_port = 0;
-        netif = &inf;
-    }
-
-    /*
-     * Can't create a raw socket, so let's try a TCP socket
-     */
+    // open a TCP socket
     fd = NET_Socket(AF_INET, SOCK_STREAM, 0);
-    if (fd == -1) {
-        /* note: if you run out of fds, you may not be able to load
-         * the exception class, and get a NoClassDefFoundError
-         * instead.
-         */
+    if (fd == SOCKET_ERROR) {
+        // note: if you run out of fds, you may not be able to load
+        // the exception class, and get a NoClassDefFoundError instead.
         NET_ThrowNew(env, WSAGetLastError(), "Can't create socket");
         return JNI_FALSE;
     }
+
+    // set TTL
     if (ttl > 0) {
         setsockopt(fd, IPPROTO_IP, IP_TTL, (const char *)&ttl, sizeof(ttl));
     }
-    /*
-     * A network interface was specified, so let's bind to it.
-     */
+
+    // A network interface was specified, so let's bind to it.
     if (netif != NULL) {
-        if (bind(fd, (struct sockaddr*)netif, sizeof(struct sockaddr_in)) < 0) {
+        if (bind(fd, &netif->sa, sizeof(struct sockaddr_in)) < 0) {
             NET_ThrowNew(env, WSAGetLastError(), "Can't bind socket");
             closesocket(fd);
             return JNI_FALSE;
         }
     }
 
-    /*
-     * Make the socket non blocking so we can use select/poll.
-     */
+    // Make the socket non blocking so we can use select/poll.
     hEvent = WSACreateEvent();
     WSAEventSelect(fd, hEvent, FD_READ|FD_CONNECT|FD_CLOSE);
 
-    /* no need to use NET_Connect as non-blocking */
-    him.sin_port = htons(7);    /* Echo */
-    connect_rv = connect(fd, (struct sockaddr *)&him, len);
+    sa->sa4.sin_port = htons(7); // echo port
+    connect_rv = connect(fd, &sa->sa, sizeof(struct sockaddr_in));
 
-    /**
-     * connection established or refused immediately, either way it means
-     * we were able to reach the host!
-     */
+    // connection established or refused immediately, either way it means
+    // we were able to reach the host!
     if (connect_rv == 0 || WSAGetLastError() == WSAECONNREFUSED) {
         WSACloseEvent(hEvent);
         closesocket(fd);
         return JNI_TRUE;
-    } else {
-        int optlen;
+    }
 
-        switch (WSAGetLastError()) {
-        case WSAEHOSTUNREACH:   /* Host Unreachable */
-        case WSAENETUNREACH:    /* Network Unreachable */
-        case WSAENETDOWN:       /* Network is down */
-        case WSAEPFNOSUPPORT:   /* Protocol Family unsupported */
-            WSACloseEvent(hEvent);
-            closesocket(fd);
-            return JNI_FALSE;
+    switch (WSAGetLastError()) {
+    case WSAEHOSTUNREACH:   // Host Unreachable
+    case WSAENETUNREACH:    // Network Unreachable
+    case WSAENETDOWN:       // Network is down
+    case WSAEPFNOSUPPORT:   // Protocol Family unsupported
+        WSACloseEvent(hEvent);
+        closesocket(fd);
+        return JNI_FALSE;
+    case WSAEWOULDBLOCK:    // this is expected as we'll probably have to wait
+        break;
+    default:
+        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                                     "connect failed");
+        WSACloseEvent(hEvent);
+        closesocket(fd);
+        return JNI_FALSE;
+    }
+
+    timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
+    if (timeout >= 0) {
+        // connection has been established, check for error condition
+        int optlen = sizeof(connect_rv);
+        if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&connect_rv,
+                       &optlen) < 0)
+        {
+            connect_rv = WSAGetLastError();
         }
-
-        if (WSAGetLastError() != WSAEWOULDBLOCK) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                                         "connect failed");
+        if (connect_rv == 0 || connect_rv == WSAECONNREFUSED) {
             WSACloseEvent(hEvent);
             closesocket(fd);
-            return JNI_FALSE;
-        }
-
-        timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
-
-        /* has connection been established */
-
-        if (timeout >= 0) {
-            optlen = sizeof(connect_rv);
-            if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
-                           &optlen) <0) {
-                connect_rv = WSAGetLastError();
-            }
-
-            if (connect_rv == 0 || connect_rv == WSAECONNREFUSED) {
-                WSACloseEvent(hEvent);
-                closesocket(fd);
-                return JNI_TRUE;
-            }
+            return JNI_TRUE;
         }
     }
     WSACloseEvent(hEvent);
@@ -464,21 +300,17 @@
  * Returns true is an ECHO_REPLY is received, otherwise, false.
  */
 static jboolean
-ping4(JNIEnv *env,
-      unsigned long src_addr,
-      unsigned long dest_addr,
-      jint timeout,
-      HANDLE hIcmpFile)
+ping4(JNIEnv *env, HANDLE hIcmpFile, SOCKETADDRESS *sa,
+      SOCKETADDRESS *netif, jint timeout)
 {
-    // See https://msdn.microsoft.com/en-us/library/aa366050%28VS.85%29.aspx
-
     DWORD dwRetVal = 0;
     char SendData[32] = {0};
     LPVOID ReplyBuffer = NULL;
     DWORD ReplySize = 0;
     jboolean ret = JNI_FALSE;
 
-    // https://msdn.microsoft.com/en-us/library/windows/desktop/aa366051%28v=vs.85%29.aspx
+    // See https://msdn.microsoft.com/en-us/library/aa366050%28VS.85%29.aspx
+    // or https://msdn.microsoft.com/en-us/library/windows/desktop/aa366051%28v=vs.85%29.aspx
     ReplySize = sizeof(ICMP_ECHO_REPLY)   // The buffer should be large enough
                                           // to hold at least one ICMP_ECHO_REPLY
                                           // structure
@@ -487,16 +319,16 @@
                                           // to also hold 8 more bytes of data
                                           // (the size of an ICMP error message)
 
-    ReplyBuffer = (VOID*) malloc(ReplySize);
+    ReplyBuffer = (VOID *)malloc(ReplySize);
     if (ReplyBuffer == NULL) {
         IcmpCloseHandle(hIcmpFile);
         NET_ThrowNew(env, WSAGetLastError(), "Unable to allocate memory");
         return JNI_FALSE;
     }
 
-    if (src_addr == 0) {
+    if (netif == NULL) {
         dwRetVal = IcmpSendEcho(hIcmpFile,  // HANDLE IcmpHandle,
-                                dest_addr,  // IPAddr DestinationAddress,
+                                sa->sa4.sin_addr.s_addr, // IPAddr DestinationAddress,
                                 SendData,   // LPVOID RequestData,
                                 sizeof(SendData),   // WORD RequestSize,
                                 NULL,       // PIP_OPTION_INFORMATION RequestOptions,
@@ -506,20 +338,20 @@
                                 // seem to have an undocumented minimum
                                 // timeout of 1000ms below which the
                                 // api behaves inconsistently.
-                                (timeout < 1000) ? 1000 : timeout);   // DWORD Timeout
+                                (timeout < 1000) ? 1000 : timeout); // DWORD Timeout
     } else {
         dwRetVal = IcmpSendEcho2Ex(hIcmpFile,  // HANDLE IcmpHandle,
                                    NULL,       // HANDLE Event
                                    NULL,       // PIO_APC_ROUTINE ApcRoutine
                                    NULL,       // ApcContext
-                                   src_addr,   // IPAddr SourceAddress,
-                                   dest_addr,  // IPAddr DestinationAddress,
+                                   netif->sa4.sin_addr.s_addr, // IPAddr SourceAddress,
+                                   sa->sa4.sin_addr.s_addr, // IPAddr DestinationAddress,
                                    SendData,   // LPVOID RequestData,
-                                   sizeof(SendData),   // WORD RequestSize,
+                                   sizeof(SendData), // WORD RequestSize,
                                    NULL,       // PIP_OPTION_INFORMATION RequestOptions,
                                    ReplyBuffer,// LPVOID ReplyBuffer,
                                    ReplySize,  // DWORD ReplySize,
-                                   (timeout < 1000) ? 1000 : timeout);   // DWORD Timeout
+                                   (timeout < 1000) ? 1000 : timeout); // DWORD Timeout
     }
 
     if (dwRetVal == 0) { // if the call failed
@@ -544,8 +376,8 @@
                 break;
             default:
                 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
-                        NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-                        (LPTSTR)&buf, 0, NULL);
+                              NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                              (LPTSTR)&buf, 0, NULL);
                 NET_ThrowNew(env, err, buf);
                 LocalFree(buf);
                 break;
@@ -558,8 +390,8 @@
         // We perform an extra check to make sure that our
         // roundtrip time was less than our desired timeout
         // for cases where that timeout is < 1000ms.
-        if (pEchoReply->Status == IP_SUCCESS
-                && (int)pEchoReply->RoundTripTime <= timeout)
+        if (pEchoReply->Status == IP_SUCCESS &&
+            (int)pEchoReply->RoundTripTime <= timeout)
         {
             ret = JNI_TRUE;
         }
@@ -578,57 +410,58 @@
  */
 JNIEXPORT jboolean JNICALL
 Java_java_net_Inet4AddressImpl_isReachable0(JNIEnv *env, jobject this,
-                                           jbyteArray addrArray,
-                                           jint timeout,
-                                           jbyteArray ifArray,
-                                           jint ttl) {
-    jint src_addr = 0;
-    jint dest_addr = 0;
+                                            jbyteArray addrArray, jint timeout,
+                                            jbyteArray ifArray, jint ttl)
+{
     jbyte caddr[4];
-    int sz;
+    jint addr = 0, sz;
+    SOCKETADDRESS sa, inf, *netif = NULL;
     HANDLE hIcmpFile;
 
-    /**
-     * Convert IP address from byte array to integer
-     */
+    // check if address array size is 4 (IPv4 address)
     sz = (*env)->GetArrayLength(env, addrArray);
     if (sz != 4) {
       return JNI_FALSE;
     }
-    memset((char *) caddr, 0, sizeof(caddr));
+
+    // convert IP address from byte array to integer
+    memset((char *)caddr, 0, sizeof(caddr));
     (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
-    dest_addr = ((caddr[0]<<24) & 0xff000000);
-    dest_addr |= ((caddr[1] <<16) & 0xff0000);
-    dest_addr |= ((caddr[2] <<8) & 0xff00);
-    dest_addr |= (caddr[3] & 0xff);
-    dest_addr = htonl(dest_addr);
+    addr = ((caddr[0] << 24) & 0xff000000);
+    addr |= ((caddr[1] << 16) & 0xff0000);
+    addr |= ((caddr[2] << 8) & 0xff00);
+    addr |= (caddr[3] & 0xff);
+    memset((char *)&sa, 0, sizeof(SOCKETADDRESS));
+    sa.sa4.sin_addr.s_addr = htonl(addr);
+    sa.sa4.sin_family = AF_INET;
 
-    /**
-     * If a network interface was specified, let's convert its address
-     * as well.
-     */
+    // If a network interface was specified, let's convert its address as well.
     if (!(IS_NULL(ifArray))) {
-        memset((char *) caddr, 0, sizeof(caddr));
+        memset((char *)caddr, 0, sizeof(caddr));
         (*env)->GetByteArrayRegion(env, ifArray, 0, 4, caddr);
-        src_addr = ((caddr[0]<<24) & 0xff000000);
-        src_addr |= ((caddr[1] <<16) & 0xff0000);
-        src_addr |= ((caddr[2] <<8) & 0xff00);
-        src_addr |= (caddr[3] & 0xff);
-        src_addr = htonl(src_addr);
+        addr = ((caddr[0] << 24) & 0xff000000);
+        addr |= ((caddr[1] << 16) & 0xff0000);
+        addr |= ((caddr[2] << 8) & 0xff00);
+        addr |= (caddr[3] & 0xff);
+        memset((char *)&inf, 0, sizeof(SOCKETADDRESS));
+        inf.sa4.sin_addr.s_addr = htonl(addr);
+        inf.sa4.sin_family = AF_INET;
+        netif = &inf;
     }
 
+    // Let's try to create an ICMP handle.
     hIcmpFile = IcmpCreateFile();
     if (hIcmpFile == INVALID_HANDLE_VALUE) {
         int err = WSAGetLastError();
         if (err == ERROR_ACCESS_DENIED) {
             // fall back to TCP echo if access is denied to ICMP
-            return tcp_ping4(env, addrArray, timeout, ifArray, ttl);
+            return tcp_ping4(env, &sa, netif, timeout, ttl);
         } else {
             NET_ThrowNew(env, err, "Unable to create ICMP file handle");
             return JNI_FALSE;
         }
     } else {
-        return ping4(env, src_addr, dest_addr, timeout, hIcmpFile);
+        // It didn't fail, so we can use ICMP.
+        return ping4(env, hIcmpFile, &sa, netif, timeout);
     }
 }
-
--- a/jdk/src/java.base/windows/native/libnet/Inet6AddressImpl.c	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/src/java.base/windows/native/libnet/Inet6AddressImpl.c	Wed Jul 05 22:50:10 2017 +0200
@@ -40,41 +40,40 @@
  * Signature: ()Ljava/lang/String;
  */
 JNIEXPORT jstring JNICALL
-Java_java_net_Inet6AddressImpl_getLocalHostName (JNIEnv *env, jobject this) {
-    char hostname [256];
+Java_java_net_Inet6AddressImpl_getLocalHostName(JNIEnv *env, jobject this) {
+    char hostname[256];
 
-    if (gethostname (hostname, sizeof (hostname)) == -1) {
-        strcpy (hostname, "localhost");
+    if (gethostname(hostname, sizeof(hostname)) == -1) {
+        strcpy(hostname, "localhost");
     }
-    return JNU_NewStringPlatform (env, hostname);
+    return JNU_NewStringPlatform(env, hostname);
 }
 
+/*
+ * Class:     java_net_Inet6AddressImpl
+ * Method:    lookupAllHostAddr
+ * Signature: (Ljava/lang/String;)[[B
+ */
 JNIEXPORT jobjectArray JNICALL
 Java_java_net_Inet6AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
-                                                jstring host) {
+                                                 jstring host) {
+    jobjectArray ret = NULL;
     const char *hostname;
-    jobjectArray ret = 0;
-    int retLen = 0;
-    jboolean preferIPv6Address;
-
-    int error=0;
-    struct addrinfo hints, *res = NULL, *resNew = NULL;
+    int error = 0;
+    struct addrinfo hints, *res = NULL, *resNew = NULL, *last = NULL,
+        *iterator;
 
     initInetAddressIDs(env);
     JNU_CHECK_EXCEPTION_RETURN(env, NULL);
 
     if (IS_NULL(host)) {
-        JNU_ThrowNullPointerException(env, "host is null");
-        return 0;
+        JNU_ThrowNullPointerException(env, "host argument is null");
+        return NULL;
     }
     hostname = JNU_GetStringPlatformChars(env, host, JNI_FALSE);
     CHECK_NULL_RETURN(hostname, NULL);
 
-    /* get the address preference */
-    preferIPv6Address
-        = (*env)->GetStaticIntField(env, ia_class, ia_preferIPv6AddressID);
-
-    /* Try once, with our static buffer. */
+    // try once, with our static buffer
     memset(&hints, 0, sizeof(hints));
     hints.ai_flags = AI_CANONNAME;
     hints.ai_family = AF_UNSPEC;
@@ -82,35 +81,28 @@
     error = getaddrinfo(hostname, NULL, &hints, &res);
 
     if (error) {
-        if (WSAGetLastError() == WSATRY_AGAIN) {
-            NET_ThrowByNameWithLastError(env,
-                                         JNU_JAVANETPKG "UnknownHostException",
-                                         hostname);
-            JNU_ReleaseStringPlatformChars(env, host, hostname);
-            return NULL;
-        } else {
-            /* report error */
-            JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException",
-                            (char *)hostname);
-            JNU_ReleaseStringPlatformChars(env, host, hostname);
-            return NULL;
-        }
+        // report error
+        NET_ThrowByNameWithLastError(env, "java/net/UnknownHostException",
+                                     hostname);
+        goto cleanupAndReturn;
     } else {
-        int i = 0;
-        int inetCount = 0, inet6Count = 0, inetIndex = 0, inet6Index = 0, originalIndex = 0;
-        struct addrinfo *itr, *last, *iterator = res;
+        int i = 0, inetCount = 0, inet6Count = 0, inetIndex = 0,
+            inet6Index = 0, originalIndex = 0;
+        int addressPreference =
+            (*env)->GetStaticIntField(env, ia_class, ia_preferIPv6AddressID);
+        iterator = res;
         while (iterator != NULL) {
+            // skip duplicates
             int skip = 0;
-            itr = resNew;
-            while (itr != NULL) {
-                if (iterator->ai_family == itr->ai_family &&
-                    iterator->ai_addrlen == itr->ai_addrlen) {
-                    if (itr->ai_family == AF_INET) { /* AF_INET */
+            struct addrinfo *iteratorNew = resNew;
+            while (iteratorNew != NULL) {
+                if (iterator->ai_family == iteratorNew->ai_family &&
+                    iterator->ai_addrlen == iteratorNew->ai_addrlen) {
+                    if (iteratorNew->ai_family == AF_INET) { /* AF_INET */
                         struct sockaddr_in *addr1, *addr2;
                         addr1 = (struct sockaddr_in *)iterator->ai_addr;
-                        addr2 = (struct sockaddr_in *)itr->ai_addr;
-                        if (addr1->sin_addr.s_addr ==
-                            addr2->sin_addr.s_addr) {
+                        addr2 = (struct sockaddr_in *)iteratorNew->ai_addr;
+                        if (addr1->sin_addr.s_addr == addr2->sin_addr.s_addr) {
                             skip = 1;
                             break;
                         }
@@ -118,7 +110,7 @@
                         int t;
                         struct sockaddr_in6 *addr1, *addr2;
                         addr1 = (struct sockaddr_in6 *)iterator->ai_addr;
-                        addr2 = (struct sockaddr_in6 *)itr->ai_addr;
+                        addr2 = (struct sockaddr_in6 *)iteratorNew->ai_addr;
 
                         for (t = 0; t < 16; t++) {
                             if (addr1->sin6_addr.s6_addr[t] !=
@@ -127,7 +119,7 @@
                             }
                         }
                         if (t < 16) {
-                            itr = itr->ai_next;
+                            iteratorNew = iteratorNew->ai_next;
                             continue;
                         } else {
                             skip = 1;
@@ -136,16 +128,16 @@
                     }
                 } else if (iterator->ai_family != AF_INET &&
                            iterator->ai_family != AF_INET6) {
-                    /* we can't handle other family types */
+                    // we can't handle other family types
                     skip = 1;
                     break;
                 }
-                itr = itr->ai_next;
+                iteratorNew = iteratorNew->ai_next;
             }
 
             if (!skip) {
                 struct addrinfo *next
-                    = (struct addrinfo*) malloc(sizeof(struct addrinfo));
+                    = (struct addrinfo *)malloc(sizeof(struct addrinfo));
                 if (!next) {
                     JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                     ret = NULL;
@@ -161,87 +153,81 @@
                 last = next;
                 i++;
                 if (iterator->ai_family == AF_INET) {
-                    inetCount ++;
+                    inetCount++;
                 } else if (iterator->ai_family == AF_INET6) {
-                    inet6Count ++;
+                    inet6Count++;
                 }
             }
             iterator = iterator->ai_next;
         }
-        retLen = i;
-        iterator = resNew;
-        i = 0;
-        ret = (*env)->NewObjectArray(env, retLen, ia_class, NULL);
 
+        // allocate array - at this point i contains the number of addresses
+        ret = (*env)->NewObjectArray(env, i, ia_class, NULL);
         if (IS_NULL(ret)) {
             /* we may have memory to free at the end of this */
             goto cleanupAndReturn;
         }
 
-        if (preferIPv6Address == java_net_InetAddress_PREFER_IPV6_VALUE) {
+        if (addressPreference == java_net_InetAddress_PREFER_IPV6_VALUE) {
             inetIndex = inet6Count;
             inet6Index = 0;
-        } else if (preferIPv6Address == java_net_InetAddress_PREFER_IPV4_VALUE) {
+        } else if (addressPreference == java_net_InetAddress_PREFER_IPV4_VALUE) {
             inetIndex = 0;
             inet6Index = inetCount;
-        } else if (preferIPv6Address == java_net_InetAddress_PREFER_SYSTEM_VALUE) {
+        } else if (addressPreference == java_net_InetAddress_PREFER_SYSTEM_VALUE) {
             inetIndex = inet6Index = originalIndex = 0;
         }
 
+        iterator = resNew;
         while (iterator != NULL) {
             if (iterator->ai_family == AF_INET) {
-              jobject iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
-              if (IS_NULL(iaObj)) {
-                ret = NULL;
-                goto cleanupAndReturn;
-              }
-              setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in*)iterator->ai_addr)->sin_addr.s_addr));
-              setInetAddress_hostName(env, iaObj, host);
-              (*env)->SetObjectArrayElement(env, ret, (inetIndex | originalIndex), iaObj);
-              inetIndex ++;
+                jobject iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
+                if (IS_NULL(iaObj)) {
+                    ret = NULL;
+                    goto cleanupAndReturn;
+                }
+                setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in*)iterator->ai_addr)->sin_addr.s_addr));
+                setInetAddress_hostName(env, iaObj, host);
+                (*env)->SetObjectArrayElement(env, ret, (inetIndex | originalIndex), iaObj);
+                inetIndex++;
             } else if (iterator->ai_family == AF_INET6) {
-              jint scope = 0;
-              jboolean ret1;
-              jobject iaObj = (*env)->NewObject(env, ia6_class, ia6_ctrID);
-              if (IS_NULL(iaObj)) {
-                ret = NULL;
-                goto cleanupAndReturn;
-              }
-              ret1 = setInet6Address_ipaddress(env, iaObj, (jbyte *)&(((struct sockaddr_in6*)iterator->ai_addr)->sin6_addr));
-              if (ret1 == JNI_FALSE) {
-                ret = NULL;
-                goto cleanupAndReturn;
-              }
-              scope = ((struct sockaddr_in6*)iterator->ai_addr)->sin6_scope_id;
-              if (scope != 0) { /* zero is default value, no need to set */
-                setInet6Address_scopeid(env, iaObj, scope);
-              }
-              setInetAddress_hostName(env, iaObj, host);
-              (*env)->SetObjectArrayElement(env, ret, (inet6Index | originalIndex), iaObj);
-              inet6Index ++;
+                jint scope = 0;
+                jboolean ret1;
+                jobject iaObj = (*env)->NewObject(env, ia6_class, ia6_ctrID);
+                if (IS_NULL(iaObj)) {
+                    ret = NULL;
+                    goto cleanupAndReturn;
+                }
+                ret1 = setInet6Address_ipaddress(env, iaObj, (char *)&(((struct sockaddr_in6*)iterator->ai_addr)->sin6_addr));
+                if (ret1 == JNI_FALSE) {
+                    ret = NULL;
+                    goto cleanupAndReturn;
+                }
+                scope = ((struct sockaddr_in6 *)iterator->ai_addr)->sin6_scope_id;
+                if (scope != 0) { // zero is default value, no need to set
+                    setInet6Address_scopeid(env, iaObj, scope);
+                }
+                setInetAddress_hostName(env, iaObj, host);
+                (*env)->SetObjectArrayElement(env, ret, (inet6Index | originalIndex), iaObj);
+                inet6Index++;
             }
-            if (preferIPv6Address == java_net_InetAddress_PREFER_SYSTEM_VALUE) {
+            if (addressPreference == java_net_InetAddress_PREFER_SYSTEM_VALUE) {
                 originalIndex++;
                 inetIndex = inet6Index = 0;
             }
             iterator = iterator->ai_next;
         }
     }
-
 cleanupAndReturn:
-    {
-        struct addrinfo *iterator, *tmp;
-        iterator = resNew;
-        while (iterator != NULL) {
-            tmp = iterator;
-            iterator = iterator->ai_next;
-            free(tmp);
-        }
-        JNU_ReleaseStringPlatformChars(env, host, hostname);
+    JNU_ReleaseStringPlatformChars(env, host, hostname);
+    while (resNew != NULL) {
+        last = resNew;
+        resNew = resNew->ai_next;
+        free(last);
     }
-
-    freeaddrinfo(res);
-
+    if (res != NULL) {
+        freeaddrinfo(res);
+    }
     return ret;
 }
 
@@ -249,57 +235,48 @@
  * Class:     java_net_Inet6AddressImpl
  * Method:    getHostByAddr
  * Signature: (I)Ljava/lang/String;
+ *
+ * Theoretically the UnknownHostException could be enriched with gai error
+ * information. But as it is silently ignored anyway, there's no need for this.
+ * It's only important that either a valid hostname is returned or an
+ * UnknownHostException is thrown.
  */
 JNIEXPORT jstring JNICALL
 Java_java_net_Inet6AddressImpl_getHostByAddr(JNIEnv *env, jobject this,
-                                            jbyteArray addrArray) {
+                                             jbyteArray addrArray) {
     jstring ret = NULL;
-
-    char host[NI_MAXHOST+1];
-    int error = 0;
+    char host[NI_MAXHOST + 1];
     int len = 0;
     jbyte caddr[16];
+    SOCKETADDRESS sa;
 
-    struct sockaddr_in him4;
-    struct sockaddr_in6 him6;
-    struct sockaddr *sa;
+    memset((void *)&sa, 0, sizeof(SOCKETADDRESS));
 
-    /*
-     * For IPv4 addresses construct a sockaddr_in structure.
-     */
+    // construct a sockaddr_in structure (AF_INET or AF_INET6)
     if ((*env)->GetArrayLength(env, addrArray) == 4) {
         jint addr;
         (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
-        addr = ((caddr[0]<<24) & 0xff000000);
-        addr |= ((caddr[1] <<16) & 0xff0000);
-        addr |= ((caddr[2] <<8) & 0xff00);
+        addr = ((caddr[0] << 24) & 0xff000000);
+        addr |= ((caddr[1] << 16) & 0xff0000);
+        addr |= ((caddr[2] << 8) & 0xff00);
         addr |= (caddr[3] & 0xff);
-        memset((char *) &him4, 0, sizeof(him4));
-        him4.sin_addr.s_addr = htonl(addr);
-        him4.sin_family = AF_INET;
-        sa = (struct sockaddr *) &him4;
-        len = sizeof(him4);
+        sa.sa4.sin_addr.s_addr = htonl(addr);
+        sa.sa4.sin_family = AF_INET;
+        len = sizeof(struct sockaddr_in);
     } else {
-        /*
-         * For IPv6 address construct a sockaddr_in6 structure.
-         */
         (*env)->GetByteArrayRegion(env, addrArray, 0, 16, caddr);
-        memset((char *) &him6, 0, sizeof(him6));
-        memcpy((void *)&(him6.sin6_addr), caddr, sizeof(struct in6_addr) );
-        him6.sin6_family = AF_INET6;
-        sa = (struct sockaddr *) &him6 ;
-        len = sizeof(him6) ;
+        memcpy((void *)&sa.sa6.sin6_addr, caddr, sizeof(struct in6_addr));
+        sa.sa6.sin6_family = AF_INET6;
+        len = sizeof(struct sockaddr_in6);
     }
 
-    error = getnameinfo(sa, len, host, NI_MAXHOST, NULL, 0, NI_NAMEREQD);
-
-    if (!error) {
+    if (getnameinfo(&sa.sa, len, host, NI_MAXHOST, NULL, 0, NI_NAMEREQD)) {
+        JNU_ThrowByName(env, "java/net/UnknownHostException", NULL);
+    } else {
         ret = (*env)->NewStringUTF(env, host);
-        CHECK_NULL_RETURN(ret, NULL);
-    }
-
-    if (ret == NULL) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", NULL);
+        if (ret == NULL) {
+            JNU_ThrowByName(env, "java/net/UnknownHostException", NULL);
+        }
     }
 
     return ret;
@@ -309,99 +286,82 @@
  * ping implementation using tcp port 7 (echo)
  */
 static jboolean
-tcp_ping6(JNIEnv *env,
-          jint timeout,
-          jint ttl,
-          struct sockaddr_in6 him6,
-          struct sockaddr_in6* netif,
-          int len)
+tcp_ping6(JNIEnv *env, SOCKETADDRESS *sa, SOCKETADDRESS *netif, jint timeout,
+          jint ttl)
 {
     jint fd;
+    int connect_rv = -1;
     WSAEVENT hEvent;
-    int connect_rv = -1;
 
+    // open a TCP socket
     fd = NET_Socket(AF_INET6, SOCK_STREAM, 0);
     if (fd == SOCKET_ERROR) {
-        /* note: if you run out of fds, you may not be able to load
-         * the exception class, and get a NoClassDefFoundError
-         * instead.
-         */
-        NET_ThrowNew(env, errno, "Can't create socket");
+        // note: if you run out of fds, you may not be able to load
+        // the exception class, and get a NoClassDefFoundError instead.
+        NET_ThrowNew(env, WSAGetLastError(), "Can't create socket");
         return JNI_FALSE;
     }
 
-    /**
-     * A TTL was specified, let's set the socket option.
-     */
+    // set TTL
     if (ttl > 0) {
-      setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, (const char *)&ttl, sizeof(ttl));
+        setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, (const char *)&ttl, sizeof(ttl));
     }
 
-    /**
-     * A network interface was specified, let's bind to it.
-     */
+    // A network interface was specified, so let's bind to it.
     if (netif != NULL) {
-      if (NET_Bind(fd, (struct sockaddr*)netif, sizeof(struct sockaddr_in6)) < 0) {
-        NET_ThrowNew(env, WSAGetLastError(), "Can't bind socket to interface");
-        closesocket(fd);
-        return JNI_FALSE;
-      }
+        if (bind(fd, &netif->sa, sizeof(struct sockaddr_in6)) < 0) {
+            NET_ThrowNew(env, WSAGetLastError(), "Can't bind socket to interface");
+            closesocket(fd);
+            return JNI_FALSE;
+        }
     }
 
-    /**
-     * Make the socket non blocking.
-     */
+    // Make the socket non blocking so we can use select/poll.
     hEvent = WSACreateEvent();
     WSAEventSelect(fd, hEvent, FD_READ|FD_CONNECT|FD_CLOSE);
 
-    /* no need to use NET_Connect as non-blocking */
-    him6.sin6_port = htons((short) 7); /* Echo port */
-    connect_rv = connect(fd, (struct sockaddr *)&him6, len);
+    sa->sa6.sin6_port = htons(7); // echo port
+    connect_rv = connect(fd, &sa->sa, sizeof(struct sockaddr_in6));
 
-    /**
-     * connection established or refused immediately, either way it means
-     * we were able to reach the host!
-     */
+    // connection established or refused immediately, either way it means
+    // we were able to reach the host!
     if (connect_rv == 0 || WSAGetLastError() == WSAECONNREFUSED) {
         WSACloseEvent(hEvent);
         closesocket(fd);
         return JNI_TRUE;
-    } else {
-        int optlen;
-
-        switch (WSAGetLastError()) {
-        case WSAEHOSTUNREACH:   /* Host Unreachable */
-        case WSAENETUNREACH:    /* Network Unreachable */
-        case WSAENETDOWN:       /* Network is down */
-        case WSAEPFNOSUPPORT:   /* Protocol Family unsupported */
-          WSACloseEvent(hEvent);
-          closesocket(fd);
-          return JNI_FALSE;
-        }
+    }
 
-        if (WSAGetLastError() != WSAEWOULDBLOCK) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                                         "connect failed");
-            WSACloseEvent(hEvent);
-            closesocket(fd);
-            return JNI_FALSE;
-        }
-
-        timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
+    switch (WSAGetLastError()) {
+    case WSAEHOSTUNREACH:   // Host Unreachable
+    case WSAENETUNREACH:    // Network Unreachable
+    case WSAENETDOWN:       // Network is down
+    case WSAEPFNOSUPPORT:   // Protocol Family unsupported
+        WSACloseEvent(hEvent);
+        closesocket(fd);
+        return JNI_FALSE;
+    case WSAEWOULDBLOCK:    // this is expected as we'll probably have to wait
+        break;
+    default:
+        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                                     "connect failed");
+        WSACloseEvent(hEvent);
+        closesocket(fd);
+        return JNI_FALSE;
+    }
 
-        if (timeout >= 0) {
-          /* has connection been established? */
-          optlen = sizeof(connect_rv);
-          if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
-                         &optlen) <0) {
+    timeout = NET_Wait(env, fd, NET_WAIT_CONNECT, timeout);
+    if (timeout >= 0) {
+        // connection has been established, check for error condition
+        int optlen = sizeof(connect_rv);
+        if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&connect_rv,
+                       &optlen) < 0)
+        {
             connect_rv = WSAGetLastError();
-          }
-
-          if (connect_rv == 0 || connect_rv == WSAECONNREFUSED) {
+        }
+        if (connect_rv == 0 || connect_rv == WSAECONNREFUSED) {
             WSACloseEvent(hEvent);
             closesocket(fd);
             return JNI_TRUE;
-          }
         }
     }
     WSACloseEvent(hEvent);
@@ -416,21 +376,18 @@
  * Returns true is an ECHO_REPLY is received, otherwise, false.
  */
 static jboolean
-ping6(JNIEnv *env,
-      struct sockaddr_in6* src,
-      struct sockaddr_in6* dest,
-      jint timeout,
-      HANDLE hIcmpFile)
+ping6(JNIEnv *env, HANDLE hIcmpFile, SOCKETADDRESS *sa,
+      SOCKETADDRESS *netif, jint timeout)
 {
     DWORD dwRetVal = 0;
     char SendData[32] = {0};
     LPVOID ReplyBuffer = NULL;
     DWORD ReplySize = 0;
     IP_OPTION_INFORMATION ipInfo = {255, 0, 0, 0, NULL};
-    struct sockaddr_in6 sa6Source;
+    SOCKETADDRESS dftNetif;
 
     ReplySize = sizeof(ICMPV6_ECHO_REPLY) + sizeof(SendData);
-    ReplyBuffer = (VOID*) malloc(ReplySize);
+    ReplyBuffer = (VOID *)malloc(ReplySize);
     if (ReplyBuffer == NULL) {
         IcmpCloseHandle(hIcmpFile);
         NET_ThrowNew(env, WSAGetLastError(), "Unable to allocate memory");
@@ -438,17 +395,20 @@
     }
 
     //define local source information
-    sa6Source.sin6_addr = in6addr_any;
-    sa6Source.sin6_family = AF_INET6;
-    sa6Source.sin6_flowinfo = 0;
-    sa6Source.sin6_port = 0;
+    if (netif == NULL) {
+        dftNetif.sa6.sin6_addr = in6addr_any;
+        dftNetif.sa6.sin6_family = AF_INET6;
+        dftNetif.sa6.sin6_flowinfo = 0;
+        dftNetif.sa6.sin6_port = 0;
+        netif = &dftNetif;
+    }
 
     dwRetVal = Icmp6SendEcho2(hIcmpFile,    // HANDLE IcmpHandle,
                               NULL,         // HANDLE Event,
                               NULL,         // PIO_APC_ROUTINE ApcRoutine,
                               NULL,         // PVOID ApcContext,
-                              &sa6Source,   // struct sockaddr_in6 *SourceAddress,
-                              dest,         // struct sockaddr_in6 *DestinationAddress,
+                              &netif->sa6,  // struct sockaddr_in6 *SourceAddress,
+                              &sa->sa6,     // struct sockaddr_in6 *DestinationAddress,
                               SendData,     // LPVOID RequestData,
                               sizeof(SendData), // WORD RequestSize,
                               &ipInfo,      // PIP_OPTION_INFORMATION RequestOptions,
@@ -459,11 +419,10 @@
     free(ReplyBuffer);
     IcmpCloseHandle(hIcmpFile);
 
-
-    if (dwRetVal != 0) {
+    if (dwRetVal == 0) { // if the call failed
+        return JNI_FALSE;
+    } else {
         return JNI_TRUE;
-    } else {
-        return JNI_FALSE;
     }
 }
 
@@ -474,75 +433,64 @@
  */
 JNIEXPORT jboolean JNICALL
 Java_java_net_Inet6AddressImpl_isReachable0(JNIEnv *env, jobject this,
-                                           jbyteArray addrArray,
-                                           jint scope,
-                                           jint timeout,
-                                           jbyteArray ifArray,
-                                           jint ttl, jint if_scope) {
+                                            jbyteArray addrArray, jint scope,
+                                            jint timeout, jbyteArray ifArray,
+                                            jint ttl, jint if_scope)
+{
     jbyte caddr[16];
     jint sz;
-    struct sockaddr_in6 him6;
-    struct sockaddr_in6* netif = NULL;
-    struct sockaddr_in6 inf6;
-    int len = 0;
+    SOCKETADDRESS sa, inf, *netif = NULL;
     HANDLE hIcmpFile;
 
-    /*
-     * If IPv6 is not enable, then we can't reach an IPv6 address, can we?
-     * Actually, we probably shouldn't even get here.
-     */
+    // If IPv6 is not enabled, then we can't reach an IPv6 address, can we?
+    // Actually, we probably shouldn't even get here.
     if (!ipv6_available()) {
-      return JNI_FALSE;
+        return JNI_FALSE;
     }
-    /*
-     * If it's an IPv4 address, ICMP won't work with IPv4 mapped address,
-     * therefore, let's delegate to the Inet4Address method.
-     */
+
+    // If it's an IPv4 address, ICMP won't work with IPv4 mapped address,
+    // therefore, let's delegate to the Inet4Address method.
     sz = (*env)->GetArrayLength(env, addrArray);
     if (sz == 4) {
-      return Java_java_net_Inet4AddressImpl_isReachable0(env, this,
-                                                         addrArray,
-                                                         timeout,
-                                                         ifArray, ttl);
+        return Java_java_net_Inet4AddressImpl_isReachable0(env, this,
+                                                           addrArray, timeout,
+                                                           ifArray, ttl);
     }
 
-    memset((char *) caddr, 0, 16);
-    memset((char *) &him6, 0, sizeof(him6));
+    // load address to SOCKETADDRESS
+    memset((char *)caddr, 0, 16);
     (*env)->GetByteArrayRegion(env, addrArray, 0, 16, caddr);
-    memcpy((void *)&(him6.sin6_addr), caddr, sizeof(struct in6_addr) );
-    him6.sin6_family = AF_INET6;
+    memset((char *)&sa, 0, sizeof(SOCKETADDRESS));
+    memcpy((void *)&sa.sa6.sin6_addr, caddr, sizeof(struct in6_addr));
+    sa.sa6.sin6_family = AF_INET6;
     if (scope > 0) {
-      him6.sin6_scope_id = scope;
-    }
-    len = sizeof(struct sockaddr_in6);
-
-    /**
-     * A network interface was specified, let's convert the address
-     */
-    if (!(IS_NULL(ifArray))) {
-      memset((char *) caddr, 0, 16);
-      memset((char *) &inf6, 0, sizeof(inf6));
-      (*env)->GetByteArrayRegion(env, ifArray, 0, 16, caddr);
-      memcpy((void *)&(inf6.sin6_addr), caddr, sizeof(struct in6_addr) );
-      inf6.sin6_family = AF_INET6;
-      inf6.sin6_port = 0;
-      inf6.sin6_scope_id = if_scope;
-      netif = &inf6;
+        sa.sa6.sin6_scope_id = scope;
     }
 
+    // load network interface address to SOCKETADDRESS, if specified
+    if (!(IS_NULL(ifArray))) {
+        memset((char *)caddr, 0, 16);
+        (*env)->GetByteArrayRegion(env, ifArray, 0, 16, caddr);
+        memset((char *)&inf, 0, sizeof(SOCKETADDRESS));
+        memcpy((void *)&inf.sa6.sin6_addr, caddr, sizeof(struct in6_addr));
+        inf.sa6.sin6_family = AF_INET6;
+        inf.sa6.sin6_scope_id = if_scope;
+        netif = &inf;
+    }
+
+    // Let's try to create an ICMP handle.
     hIcmpFile = Icmp6CreateFile();
     if (hIcmpFile == INVALID_HANDLE_VALUE) {
         int err = WSAGetLastError();
         if (err == ERROR_ACCESS_DENIED) {
             // fall back to TCP echo if access is denied to ICMP
-            return tcp_ping6(env, timeout, ttl, him6, netif, len);
+            return tcp_ping6(env, &sa, netif, timeout, ttl);
         } else {
             NET_ThrowNew(env, err, "Unable to create ICMP file handle");
             return JNI_FALSE;
         }
     } else {
-        return ping6(env, netif, &him6, timeout, hIcmpFile);
+        // It didn't fail, so we can use ICMP.
+        return ping6(env, hIcmpFile, &sa, netif, timeout);
     }
-
-    return JNI_FALSE;
 }
--- a/jdk/test/ProblemList.txt	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/ProblemList.txt	Wed Jul 05 22:50:10 2017 +0200
@@ -261,6 +261,11 @@
 
 tools/jlink/multireleasejar/JLinkMultiReleaseJarTest.java       8169971 windows-x64
 
+tools/jar/multiRelease/RuntimeTest.java                         8173905 generic-all
+
+tools/schemagen/MultiReleaseJarTest.java                        8174692 generic-all
+tools/wsgen/MultiReleaseJarTest.java                            8174692 generic-all
+
 ############################################################################
 
 # jdk_jdi
--- a/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -62,7 +62,7 @@
             ProcessBuilder pb = ProcessTools.
                 createJavaProcessBuilder(
                     "--add-exports", "jdk.attach/sun.tools.attach=ALL-UNNAMED",
-                    "-XX:+UseConcMarkSweepGC",  // this will cause UseParNewGC to be FLAG_SET_ERGO
+                    "-XX:+UseConcMarkSweepGC",  // this will cause MaxNewSize to be FLAG_SET_ERGO
                     "-XX:+UseCodeAging",
                     "-XX:+UseCerealGC",         // Should be ignored.
                     "-XX:Flags=" + flagsFile.getAbsolutePath(),
@@ -109,7 +109,7 @@
             // Set through j.l.m
             checkOrigin("HeapDumpOnOutOfMemoryError", Origin.MANAGEMENT);
             // Should be set by the VM, when we set UseConcMarkSweepGC
-            checkOrigin("UseParNewGC", Origin.ERGONOMIC);
+            checkOrigin("MaxNewSize", Origin.ERGONOMIC);
             // Set using attach
             checkOrigin("HeapDumpPath", Origin.ATTACH_ON_DEMAND);
         }
--- a/jdk/test/java/lang/management/MemoryMXBean/LowMemoryTest.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/java/lang/management/MemoryMXBean/LowMemoryTest.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,6 @@
  * @run main/timeout=600 LowMemoryTest
  * @requires vm.gc == "null"
  * @requires vm.opt.ExplicitGCInvokesConcurrent != "true"
- * @requires vm.opt.ExplicitGCInvokesConcurrentAndUnloadsClasses != "true"
  * @requires vm.opt.DisableExplicitGC != "true"
  */
 
--- a/jdk/test/java/lang/management/MemoryMXBean/LowMemoryTest2.sh	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/java/lang/management/MemoryMXBean/LowMemoryTest2.sh	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2004, 2017, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -53,12 +53,12 @@
 # Run test with each GC configuration
 # 
 # Notes: To ensure that metaspace fills up we disable class unloading.
-# Also we set the max metaspace to 8MB - otherwise the test takes too
+# Also we set the max metaspace to 16MB - otherwise the test takes too
 # long to run. 
 
 go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseSerialGC LowMemoryTest2
 go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseParallelGC LowMemoryTest2
-go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC LowMemoryTest2
+go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseConcMarkSweepGC LowMemoryTest2
 
 # Test class metaspace - might hit MaxMetaspaceSize instead if
 # UseCompressedClassPointers is off or if 32 bit.
--- a/jdk/test/java/lang/management/MemoryMXBean/ResetPeakMemoryUsage.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/java/lang/management/MemoryMXBean/ResetPeakMemoryUsage.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,6 @@
  * @build jdk.testlibrary.* ResetPeakMemoryUsage MemoryUtil RunUtil
  * @run main ResetPeakMemoryUsage
  * @requires vm.opt.ExplicitGCInvokesConcurrent != "true"
- * @requires vm.opt.ExplicitGCInvokesConcurrentAndUnloadsClasses != "true"
  * @requires vm.opt.DisableExplicitGC != "true"
  */
 
--- a/jdk/test/java/lang/module/MultiReleaseJarTest.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/java/lang/module/MultiReleaseJarTest.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -65,7 +65,7 @@
 
     private static final String MODULE_INFO = "module-info.class";
 
-    private static final int RELEASE = Runtime.version().major();
+    private static final String RELEASE = "" + Runtime.version().major();
 
     // are multi-release JARs enabled?
     private static final boolean MULTI_RELEASE;
@@ -88,8 +88,8 @@
                 .moduleInfo("module-info.class", descriptor)
                 .resource("p/Main.class")
                 .resource("p/Helper.class")
-                .resource("META-INF/versions/9/p/Helper.class")
-                .resource("META-INF/versions/9/p/internal/Helper9.class")
+                .resource("META-INF/versions/" + RELEASE + "/p/Helper.class")
+                .resource("META-INF/versions/" + RELEASE + "/p/internal/HelperNew.class")
                 .build();
 
         // find the module
@@ -131,9 +131,9 @@
                 .moduleInfo(MODULE_INFO, descriptor1)
                 .resource("p/Main.class")
                 .resource("p/Helper.class")
-                .moduleInfo("META-INF/versions/9/" + MODULE_INFO, descriptor2)
-                .resource("META-INF/versions/9/p/Helper.class")
-                .resource("META-INF/versions/9/p/internal/Helper9.class")
+                .moduleInfo("META-INF/versions/" + RELEASE + "/" + MODULE_INFO, descriptor2)
+                .resource("META-INF/versions/" + RELEASE + "/p/Helper.class")
+                .resource("META-INF/versions/" + RELEASE + "/p/internal/HelperNew.class")
                 .build();
 
         // find the module
@@ -161,8 +161,8 @@
         Path jar = new JarBuilder(name)
                 .resource("p/Main.class")
                 .resource("p/Helper.class")
-                .resource("META-INF/versions/9/p/Helper.class")
-                .resource("META-INF/versions/9/p/internal/Helper9.class")
+                .resource("META-INF/versions/" + RELEASE + "/p/Helper.class")
+                .resource("META-INF/versions/" + RELEASE + "/p/internal/HelperNew.class")
                 .build();
 
         // find the module
@@ -200,7 +200,7 @@
 
         Path jar = new JarBuilder(name)
                 .moduleInfo(MODULE_INFO, descriptor1)
-                .moduleInfo("META-INF/versions/9/" + MODULE_INFO, descriptor2)
+                .moduleInfo("META-INF/versions/" + RELEASE + "/" + MODULE_INFO, descriptor2)
                 .build();
 
         // find the module
--- a/jdk/test/java/security/Provider/ProviderVersionCheck.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/java/security/Provider/ProviderVersionCheck.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@
 
         for (Provider p: Security.getProviders()) {
             System.out.print(p.getName() + " ");
-            if (p.getVersion() != 9.0d) {
+            if (p.getVersion() != 10.0d) {
                 System.out.println("failed. " + "Version received was " +
                         p.getVersion());
                 failure = true;
--- a/jdk/test/sun/security/tools/jarsigner/multiRelease/MVJarSigningTest.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/jdk/test/sun/security/tools/jarsigner/multiRelease/MVJarSigningTest.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -74,7 +74,8 @@
     private static final String KEYPASS = "changeit";
     private static final String SIGNED_JAR = "Signed.jar";
     private static final String POLICY_FILE = "SignedJar.policy";
-    private static final String VERSION_MESSAGE = "I am running on version 9";
+    private static final String VERSION = "" + Runtime.version().major();
+    private static final String VERSION_MESSAGE = "I am running on version " + VERSION;
 
     public static void main(String[] args) throws Throwable {
         // compile java files in jarContent directory
--- a/langtools/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -396,5 +396,7 @@
 4f348bd05341581df84ff1510d5b3a9b5b488367 jdk-9+151
 5b6f12de6f9167a582fa2c6ac54e69c591b09e68 jdk-9+152
 03f48cd283f5dd6b7153fd7e0cf2df8582b14391 jdk-9+153
+b670e95106f5327a29e2e2c4f18ee48a8d36e481 jdk-10+0
 6a9dd3d893b0a493a3e5d8d392815b5ee76a02d9 jdk-9+154
 dfcfdb2db85f1bb434209f56ca557ea6f9830aa8 jdk-9+155
+6f91e41163bc09e9b3ec72e8d1185f39296ee5d4 jdk-9+156
--- a/langtools/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10
--- a/langtools/src/java.compiler/share/classes/javax/lang/model/SourceVersion.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/java.compiler/share/classes/javax/lang/model/SourceVersion.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -56,6 +56,7 @@
      * 1.7: diamond syntax, try-with-resources, etc.
      * 1.8: lambda expressions and default methods
      *   9: modules, small cleanups to 1.7 and 1.8 changes
+     *  10: to-be-determined changes
      */
 
     /**
@@ -150,7 +151,15 @@
      *
      * @since 9
      */
-     RELEASE_9;
+     RELEASE_9,
+
+    /**
+     * The version recognized by the Java Platform, Standard Edition
+     * 10.
+     *
+     * @since 10
+     */
+     RELEASE_10;
 
     // Note that when adding constants for newer releases, the
     // behavior of latest() and latestSupported() must be updated too.
@@ -161,7 +170,7 @@
      * @return the latest source version that can be modeled
      */
     public static SourceVersion latest() {
-        return RELEASE_9;
+        return RELEASE_10;
     }
 
     private static final SourceVersion latestSupported = getLatestSupported();
@@ -171,6 +180,8 @@
             String specVersion = System.getProperty("java.specification.version");
 
             switch (specVersion) {
+                case "10":
+                    return RELEASE_10;
                 case "9":
                 case "1.9":
                     return RELEASE_9;
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Source.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Source.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,8 +70,11 @@
     /** 1.8 lambda expressions and default methods. */
     JDK1_8("1.8"),
 
-    /** 1.9 covers the to be determined language features that will be added in JDK 9. */
-    JDK1_9("1.9");
+    /** 1.9 modularity. */
+    JDK1_9("1.9"),
+
+    /** 1.10 covers the to be determined language features that will be added in JDK 10. */
+    JDK1_10("1.10");
 
     private static final Context.Key<Source> sourceKey = new Context.Key<>();
 
@@ -99,6 +102,7 @@
         tab.put("7", JDK1_7); // Make 7 an alias for 1.7
         tab.put("8", JDK1_8); // Make 8 an alias for 1.8
         tab.put("9", JDK1_9); // Make 9 an alias for 1.9
+        tab.put("10", JDK1_10); // Make 10 an alias for 1.10
     }
 
     private Source(String name) {
@@ -116,6 +120,7 @@
     }
 
     public Target requiredTarget() {
+        if (this.compareTo(JDK1_10) >= 0) return Target.JDK1_10;
         if (this.compareTo(JDK1_9) >= 0) return Target.JDK1_9;
         if (this.compareTo(JDK1_8) >= 0) return Target.JDK1_8;
         if (this.compareTo(JDK1_7) >= 0) return Target.JDK1_7;
@@ -240,6 +245,8 @@
             return RELEASE_8;
         case JDK1_9:
             return RELEASE_9;
+        case JDK1_10:
+            return RELEASE_10;
         default:
             return null;
         }
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Profile.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Profile.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,9 +40,9 @@
  *  deletion without notice.</b>
  */
 public enum Profile {
-    COMPACT1("compact1", 1, Target.JDK1_8, Target.JDK1_9),
-    COMPACT2("compact2", 2, Target.JDK1_8, Target.JDK1_9),
-    COMPACT3("compact3", 3, Target.JDK1_8, Target.JDK1_9),
+    COMPACT1("compact1", 1, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10),
+    COMPACT2("compact2", 2, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10),
+    COMPACT3("compact3", 3, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10),
 
     DEFAULT {
         @Override
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -61,7 +61,10 @@
     JDK1_8("1.8", 52, 0),
 
     /** JDK 9. */
-    JDK1_9("1.9", 53, 0);
+    JDK1_9("1.9", 53, 0),
+
+    /** JDK 10, initially an alias for 9 */
+    JDK1_10("1.10", 53, 0);
 
     private static final Context.Key<Target> targetKey = new Context.Key<>();
 
@@ -91,6 +94,7 @@
         tab.put("7", JDK1_7);
         tab.put("8", JDK1_8);
         tab.put("9", JDK1_9);
+        tab.put("10", JDK1_10);
     }
 
     public final String name;
@@ -102,7 +106,7 @@
         this.minorVersion = minorVersion;
     }
 
-    public static final Target DEFAULT = JDK1_9;
+    public static final Target DEFAULT = values()[values().length - 1];
 
     public static Target lookup(String name) {
         return tab.get(name);
@@ -146,5 +150,4 @@
     public String multiReleaseValue() {
         return Integer.toString(this.ordinal() - Target.JDK1_1.ordinal() + 1);
     }
-
 }
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/platform/JDKPlatformProvider.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/platform/JDKPlatformProvider.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -90,6 +90,8 @@
             } catch (IOException | ProviderNotFoundException ex) {
             }
         }
+        // Workaround until full support for --release 9 distinct from --release 10
+        SUPPORTED_JAVA_PLATFORM_VERSIONS.add(targetNumericVersion(Target.JDK1_9));
         SUPPORTED_JAVA_PLATFORM_VERSIONS.add(targetNumericVersion(Target.DEFAULT));
     }
 
@@ -108,7 +110,9 @@
 
         @Override
         public Collection<Path> getPlatformPath() {
-            if (Target.lookup(version) == Target.DEFAULT) {
+            // Comparison should be == Target.DEFAULT once --release 9
+            // is distinct from 10
+            if (Target.lookup(version).compareTo(Target.JDK1_9)  >=  0) {
                 return null;
             }
 
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/PrintingProcessor.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/PrintingProcessor.java	Wed Jul 05 22:50:10 2017 +0200
@@ -55,7 +55,7 @@
  * deletion without notice.</b>
  */
 @SupportedAnnotationTypes("*")
-@SupportedSourceVersion(SourceVersion.RELEASE_9)
+@SupportedSourceVersion(SourceVersion.RELEASE_10)
 public class PrintingProcessor extends AbstractProcessor {
     PrintWriter writer;
 
--- a/langtools/src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/LoadProc.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/LoadProc.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,7 @@
 
 import javax.tools.Diagnostic;
 
-import static javax.lang.model.SourceVersion.RELEASE_9;
+import static javax.lang.model.SourceVersion.RELEASE_10;
 
 /**
  * Annotation processor for the Deprecation Scanner tool.
@@ -58,7 +58,7 @@
  *
  */
 @SupportedAnnotationTypes("java.lang.Deprecated")
-@SupportedSourceVersion(RELEASE_9)
+@SupportedSourceVersion(RELEASE_10)
 public class LoadProc extends AbstractProcessor {
     Elements elements;
     Messager messager;
--- a/langtools/src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/Main.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/Main.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -101,7 +101,7 @@
     // Keep these updated manually until there's a compiler API
     // that allows querying of supported releases.
     final Set<String> releasesWithoutForRemoval = Set.of("6", "7", "8");
-    final Set<String> releasesWithForRemoval = Set.of("9");
+    final Set<String> releasesWithForRemoval = Set.of("9", "10");
 
     final Set<String> validReleases;
     {
@@ -353,14 +353,14 @@
      * Process classes from a particular JDK release, using only information
      * in this JDK.
      *
-     * @param release "6", "7", "8", or "9"
+     * @param release "6", "7", "8", "9", or "10"
      * @param classes collection of classes to process, may be empty
      * @return success value
      */
     boolean processRelease(String release, Collection<String> classes) throws IOException {
         options.addAll(List.of("--release", release));
 
-        if (release.equals("9")) {
+        if (release.equals("9") || release.equals("10")) {
             List<String> rootMods = List.of("java.se", "java.se.ee");
             TraverseProc proc = new TraverseProc(rootMods);
             JavaCompiler.CompilationTask task =
@@ -484,7 +484,7 @@
         String dir = null;
         String jar = null;
         String jdkHome = null;
-        String release = "9";
+        String release = "10";
         List<String> loadClasses = new ArrayList<>();
         String csvFile = null;
 
--- a/langtools/test/tools/javac/api/T6265137.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/api/T6265137.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,7 +52,7 @@
             String srcdir = System.getProperty("test.src");
             Iterable<? extends JavaFileObject> files =
                 fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(srcdir, "T6265137a.java")));
-            javac.getTask(null, fm, dl, Arrays.asList("-target","9"), null, files).call();
+            javac.getTask(null, fm, dl, Arrays.asList("-target","10"), null, files).call();
         }
     }
 }
--- a/langtools/test/tools/javac/api/T6395981.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/api/T6395981.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug     6395981 6458819 7025784 8028543
+ * @bug     6395981 6458819 7025784 8028543 8028544
  * @summary JavaCompilerTool and Tool must specify version of JLS and JVMS
  * @author  Peter von der Ah\u00e9
  * @modules java.compiler
@@ -31,7 +31,7 @@
  * @run main/fail T6395981
  * @run main/fail T6395981 RELEASE_3 RELEASE_5 RELEASE_6
  * @run main/fail T6395981 RELEASE_0 RELEASE_1 RELEASE_2 RELEASE_3 RELEASE_4 RELEASE_5 RELEASE_6
- * @run main T6395981 RELEASE_3 RELEASE_4 RELEASE_5 RELEASE_6 RELEASE_7 RELEASE_8 RELEASE_9
+ * @run main T6395981 RELEASE_3 RELEASE_4 RELEASE_5 RELEASE_6 RELEASE_7 RELEASE_8 RELEASE_9 RELEASE_10
  */
 
 import java.util.EnumSet;
--- a/langtools/test/tools/javac/processing/StopAfterError/StopAfterError.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/processing/StopAfterError/StopAfterError.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,7 +27,8 @@
  * @summary If an error is produced by an annotation processor, the code should not be Attred, \
  *          unless requested
  * @modules jdk.compiler
- * @compile StopAfterError.java
+ * @library /tools/javac/lib
+ * @build StopAfterError JavacTestingAbstractProcessor
  * @compile/fail/ref=StopAfterError.out -XDrawDiagnostics -processor StopAfterError StopAfterErrorAux.java
  * @compile/fail/ref=StopAfterError.out -XDshould-stop.ifError=PROCESS -XDrawDiagnostics -processor StopAfterError StopAfterErrorAux.java
  * @compile/fail/ref=StopAfterErrorContinue.out -XDshould-stop.ifError=ATTR -XDrawDiagnostics -processor StopAfterError StopAfterErrorAux.java
@@ -42,8 +43,7 @@
 import javax.lang.model.element.TypeElement;
 import javax.tools.Diagnostic.Kind;
 
-@SupportedAnnotationTypes("*")
-public class StopAfterError extends AbstractProcessor {
+public class StopAfterError extends JavacTestingAbstractProcessor {
 
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
@@ -52,10 +52,4 @@
         }
         return false;
     }
-
-    @Override
-    public SourceVersion getSupportedSourceVersion() {
-        return SourceVersion.latestSupported();
-    }
-
 }
--- a/langtools/test/tools/javac/processing/model/LocalClasses/LocalClassesModel.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/processing/model/LocalClasses/LocalClassesModel.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,7 +26,8 @@
  * @bug 8166700
  * @summary Check that local classes originating in static initializer can be loaded properly.
  * @modules jdk.compiler
- * @build LocalTest$1Local LocalTest$2Local LocalTest$3Local LocalTest$4Local LocalTest$5Local LocalTest
+ * @library /tools/javac/lib
+ * @build LocalTest$1Local LocalTest$2Local LocalTest$3Local LocalTest$4Local LocalTest$5Local LocalTest JavacTestingAbstractProcessor
  * @compile LocalClassesModel.java
  * @compile/process/ref=LocalClassesModel.out -processor LocalClassesModel LocalTest$1Local LocalTest$2Local LocalTest$3Local LocalTest$4Local LocalTest$5Local LocalTest
  */
@@ -42,8 +43,7 @@
 import javax.lang.model.element.VariableElement;
 import javax.lang.model.util.ElementFilter;
 
-@SupportedAnnotationTypes("*")
-public class LocalClassesModel extends AbstractProcessor {
+public class LocalClassesModel extends JavacTestingAbstractProcessor {
 
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
@@ -65,9 +65,4 @@
 
         return false;
     }
-
-    @Override
-    public SourceVersion getSupportedSourceVersion() {
-        return SourceVersion.latestSupported();
-    }
 }
--- a/langtools/test/tools/javac/processing/model/TestSourceVersion.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/processing/model/TestSourceVersion.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 7025809 8028543 6415644
+ * @bug 7025809 8028543 6415644 8028544 8029942
  * @summary Test latest, latestSupported, underscore as keyword, etc.
  * @author  Joseph D. Darcy
  * @modules java.compiler
@@ -44,8 +44,8 @@
     }
 
     private static void testLatestSupported() {
-        if (SourceVersion.latest() != RELEASE_9 ||
-            SourceVersion.latestSupported() != RELEASE_9)
+        if (SourceVersion.latest() != RELEASE_10 ||
+            SourceVersion.latestSupported() != RELEASE_10)
             throw new RuntimeException("Unexpected release value(s) found:\n" +
                                        "latest:\t" + SourceVersion.latest() + "\n" +
                                        "latestSupported:\t" + SourceVersion.latestSupported());
--- a/langtools/test/tools/javac/processing/model/nestedTypeVars/NestedTypeVars.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/processing/model/nestedTypeVars/NestedTypeVars.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,7 +24,8 @@
 /**
  * @test
  * @modules jdk.compiler
- * @build NestedTypeVars
+ * @library /tools/javac/lib
+ * @build NestedTypeVars JavacTestingAbstractProcessor
  * @compile/process/ref=NestedTypeVars.out -processor NestedTypeVars Test$1L1$L2$1L3$L4$L5 Test$1L1$CCheck Test$1L1 Test$1CCheck Test$CCheck Test
  */
 
@@ -44,8 +45,7 @@
 import javax.lang.model.type.TypeVariable;
 import javax.lang.model.util.ElementFilter;
 
-@SupportedAnnotationTypes("*")
-public class NestedTypeVars extends AbstractProcessor{
+public class NestedTypeVars extends JavacTestingAbstractProcessor {
 
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
@@ -102,12 +102,6 @@
                 throw new IllegalStateException("Unexpected element: " + el + "(" + el.getKind() + ")");
         }
     }
-    @Override
-    public SourceVersion getSupportedSourceVersion() {
-        return SourceVersion.latestSupported();
-    }
-
-
 }
 
 class Test<T1, C> {
--- a/langtools/test/tools/javac/processing/warnings/TestSourceVersionWarnings.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/processing/warnings/TestSourceVersionWarnings.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,6 +35,7 @@
  * @compile/ref=gold_unsp_warn.out     -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_6 -source 1.6 -Xlint:-options -Aunsupported HelloWorld.java
  * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_7 -source 1.7 -Xlint:-options HelloWorld.java
  * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_8 -source 1.8 -Xlint:-options HelloWorld.java
+ * @compile/ref=gold_sv_none.out       -XDrawDiagnostics -processor TestSourceVersionWarnings -proc:only -ASourceVersion=RELEASE_9 -source 1.9 -Xlint:-options HelloWorld.java
  */
 
 import java.util.Set;
--- a/langtools/test/tools/javac/profiles/ProfileOptionTest.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/profiles/ProfileOptionTest.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -148,6 +148,7 @@
                             error("unexpected exception from compiler: " + ise);
                         break;
                     case JDK1_9:
+                    case JDK1_10:
                         if (p == Profile.DEFAULT)
                             break;
                         if (ise == null)
--- a/langtools/test/tools/javac/tree/ArrayTypeToString.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/tree/ArrayTypeToString.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,7 +26,8 @@
  * @bug 8068737
  * @summary Tests ArrayType.toString with type annotations present
  * @modules jdk.compiler/com.sun.tools.javac.code
- * @build ArrayTypeToString
+ * @library /tools/javac/lib
+ * @build ArrayTypeToString JavacTestingAbstractProcessor
  * @compile/ref=ArrayTypeToString.out -XDaccessInternalAPI -XDrawDiagnostics -processor ArrayTypeToString -proc:only ArrayTypeToString.java
  */
 
@@ -54,8 +55,7 @@
 }
 
 @SupportedAnnotationTypes("Foo")
-@SupportedSourceVersion(SourceVersion.RELEASE_9)
-public class ArrayTypeToString extends AbstractProcessor {
+public class ArrayTypeToString extends JavacTestingAbstractProcessor {
     @Foo(0) String @Foo(1)[] @Foo(2)[] @Foo(3)[] field;
 
     public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
--- a/langtools/test/tools/javac/versions/Versions.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/javac/versions/Versions.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610
+ * @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 8028546
  * @summary Check interpretation of -target and -source options
  * @modules java.compiler
  *          jdk.compiler
@@ -69,6 +69,7 @@
         check("53.0", "-source 1.7");
         check("53.0", "-source 1.8");
         check("53.0", "-source 1.9");
+        check("53.0", "-source 1.10");
 
         check_source_target("50.0", "6", "6");
         check_source_target("51.0", "6", "7");
@@ -80,6 +81,7 @@
         check_source_target("53.0", "7", "9");
         check_source_target("53.0", "8", "9");
         check_source_target("53.0", "9", "9");
+        check_source_target("53.0", "10", "10");
 
         checksrc16("-source 1.6");
         checksrc16("-source 6");
@@ -93,19 +95,26 @@
         checksrc18("-source 8");
         checksrc18("-source 1.8", "-target 1.8");
         checksrc18("-source 8", "-target 8");
-        checksrc19();
         checksrc19("-source 1.9");
         checksrc19("-source 9");
         checksrc19("-source 1.9", "-target 1.9");
         checksrc19("-source 9", "-target 9");
-        checksrc19("-target 1.9");
-        checksrc19("-target 9");
+
+        checksrc110();
+        checksrc110("-source 1.10");
+        checksrc110("-source 10");
+        checksrc110("-source 1.10", "-target 1.10");
+        checksrc110("-source 10", "-target 10");
+        checksrc110("-target 1.10");
+        checksrc110("-target 10");
 
         fail("-source 7", "-target 1.6", "Base.java");
         fail("-source 8", "-target 1.6", "Base.java");
         fail("-source 8", "-target 1.7", "Base.java");
         fail("-source 9", "-target 1.7", "Base.java");
         fail("-source 9", "-target 1.8", "Base.java");
+        fail("-source 10", "-target 1.7", "Base.java");
+        fail("-source 10", "-target 1.8", "Base.java");
 
         fail("-source 1.5", "-target 1.5", "Base.java");
         fail("-source 1.4", "-target 1.4", "Base.java");
@@ -202,6 +211,11 @@
         checksrc18(args);
     }
 
+    protected void checksrc110(String... args) {
+        printargs("checksrc110", args);
+        checksrc19(args);
+    }
+
     protected void pass(String... args) {
         printargs("pass", args);
 
--- a/langtools/test/tools/jdeprscan/tests/jdk/jdeprscan/TestRelease.java	Wed Jul 05 22:48:39 2017 +0200
+++ b/langtools/test/tools/jdeprscan/tests/jdk/jdeprscan/TestRelease.java	Wed Jul 05 22:50:10 2017 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -49,6 +49,7 @@
         assertTrue(invoke("7"));
         assertTrue(invoke("8"));
         assertTrue(invoke("9"));
+        assertTrue(invoke("10"));
     }
 
     @Test
--- a/make/common/SetupJavaCompilers.gmk	Wed Jul 05 22:48:39 2017 +0200
+++ b/make/common/SetupJavaCompilers.gmk	Wed Jul 05 22:50:10 2017 +0200
@@ -69,7 +69,7 @@
 $(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \
     JVM := $(JAVA_JAVAC), \
     JAVAC := $(NEW_JAVAC), \
-    FLAGS := -source 9 -target 9 \
+    FLAGS := -source 10 -target 10 \
         -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS), \
     SERVER_DIR := $(SJAVAC_SERVER_DIR), \
     SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
@@ -79,7 +79,7 @@
 $(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \
     JVM := $(JAVA_JAVAC), \
     JAVAC := $(NEW_JAVAC), \
-    FLAGS := -source 9 -target 9 \
+    FLAGS := -source 10 -target 10 \
         -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \
     SERVER_DIR := $(SJAVAC_SERVER_DIR), \
     SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
--- a/nashorn/.hgtags	Wed Jul 05 22:48:39 2017 +0200
+++ b/nashorn/.hgtags	Wed Jul 05 22:50:10 2017 +0200
@@ -387,5 +387,7 @@
 2a0437036a64853334e538044eb68d2df70075fa jdk-9+151
 ddc52e72757086a75a54371e8e7f56a3f89f1e55 jdk-9+152
 19aaaf2d02b7d6986538cd9a8c46901ecb50eebf jdk-9+153
+a84b49cfee63716975535abae2865ffef4dd6474 jdk-10+0
 a84b49cfee63716975535abae2865ffef4dd6474 jdk-9+154
 f9bb37a817b3cd3b758a60f3c68258a6554eb382 jdk-9+155
+d577398d31111be4bdaa08008247cf4242eaea94 jdk-9+156
--- a/nashorn/.jcheck/conf	Wed Jul 05 22:48:39 2017 +0200
+++ b/nashorn/.jcheck/conf	Wed Jul 05 22:50:10 2017 +0200
@@ -1,1 +1,1 @@
-project=jdk9
+project=jdk10