# HG changeset patch
# User sjohanss
# Date 1519981744 -3600
# Node ID c3baee12070634553602f31e86bc54d07e804c36
# Parent  0e79ce03b7a20ae2d28cc40e79d6bce1ea0bc83b
8198432: Remove Thread extension point
Reviewed-by: ehelin, dholmes, tschatzl

diff -r 0e79ce03b7a2 -r c3baee120706 src/hotspot/share/runtime/thread.cpp
--- a/src/hotspot/share/runtime/thread.cpp	Fri Mar 02 10:09:02 2018 +0100
+++ b/src/hotspot/share/runtime/thread.cpp	Fri Mar 02 10:09:04 2018 +0100
@@ -858,7 +858,6 @@
       st->print("os_prio=%d ", os_prio);
     }
     st->print("tid=" INTPTR_FORMAT " ", p2i(this));
-    ext().print_on(st);
     osthread()->print_on(st);
   }
   if (_threads_hazard_ptr != NULL) {
@@ -3126,8 +3125,6 @@
   // Push the Java priority down to the native thread; needs Threads_lock
   Thread::set_priority(this, prio);
 
-  prepare_ext();
-
   // Add the new thread to the Threads list and set it in motion.
   // We must have threads lock in order to call Threads::add.
   // It is crucial that we do not block before the thread is
diff -r 0e79ce03b7a2 -r c3baee120706 src/hotspot/share/runtime/thread.hpp
--- a/src/hotspot/share/runtime/thread.hpp	Fri Mar 02 10:09:02 2018 +0100
+++ b/src/hotspot/share/runtime/thread.hpp	Fri Mar 02 10:09:04 2018 +0100
@@ -41,7 +41,6 @@
 #include "runtime/safepoint.hpp"
 #include "runtime/stubRoutines.hpp"
 #include "runtime/threadLocalStorage.hpp"
-#include "runtime/thread_ext.hpp"
 #include "runtime/unhandledOops.hpp"
 #include "trace/traceBackend.hpp"
 #include "trace/traceMacros.hpp"
@@ -326,8 +325,6 @@
 
   mutable TRACE_DATA _trace_data;               // Thread-local data for tracing
 
-  ThreadExt _ext;
-
   int   _vm_operation_started_count;            // VM_Operation support
   int   _vm_operation_completed_count;          // VM_Operation support
 
@@ -508,9 +505,6 @@
   TRACE_DATA* trace_data() const        { return &_trace_data; }
   bool is_trace_suspend()               { return (_suspend_flags & _trace_flag) != 0; }
 
-  const ThreadExt& ext() const          { return _ext; }
-  ThreadExt& ext()                      { return _ext; }
-
   // VM operation support
   int vm_operation_ticket()                      { return ++_vm_operation_started_count; }
   int vm_operation_completed_count()             { return _vm_operation_completed_count; }
@@ -1137,7 +1131,6 @@
   // not specified, use the priority of the thread object. Threads_lock
   // must be held while this function is called.
   void prepare(jobject jni_thread, ThreadPriority prio=NoPriority);
-  void prepare_ext();
 
   void set_saved_exception_pc(address pc)        { _saved_exception_pc = pc; }
   address saved_exception_pc()                   { return _saved_exception_pc; }
diff -r 0e79ce03b7a2 -r c3baee120706 src/hotspot/share/runtime/thread_ext.cpp
--- a/src/hotspot/share/runtime/thread_ext.cpp	Fri Mar 02 10:09:02 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2014, 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.
- *
- */
-
-#include "precompiled.hpp"
-#include "runtime/thread.hpp"
-#include "runtime/thread_ext.hpp"
-
-void JavaThread::prepare_ext() {
-}
-
diff -r 0e79ce03b7a2 -r c3baee120706 src/hotspot/share/runtime/thread_ext.hpp
--- a/src/hotspot/share/runtime/thread_ext.hpp	Fri Mar 02 10:09:02 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2014, 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.
- *
- */
-
-#ifndef SHARE_VM_RUNTIME_THREAD_EXT_HPP
-#define SHARE_VM_RUNTIME_THREAD_EXT_HPP
-
-#include "memory/allocation.hpp"
-
-class ThreadExt VALUE_OBJ_CLASS_SPEC {
-public:
-  void print_on(outputStream* st) const {};
-};
-
-#endif // SHARE_VM_RUNTIME_THREAD_EXT_HPP