8149653: Move sun.misc.InnocuousThread to jdk.internal.misc
Reviewed-by: mchung, rriggs
--- a/jdk/src/java.base/share/classes/java/lang/ProcessHandleImpl.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/java/lang/ProcessHandleImpl.java Mon Feb 15 10:13:21 2016 +0000
@@ -42,8 +42,6 @@
import java.util.stream.IntStream;
import java.util.stream.Stream;
-import sun.misc.InnocuousThread;
-
import static java.security.AccessController.doPrivileged;
/**
--- a/jdk/src/java.base/share/classes/jdk/internal/logger/BootstrapLogger.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/jdk/internal/logger/BootstrapLogger.java Mon Feb 15 10:13:21 2016 +0000
@@ -47,7 +47,7 @@
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
-import sun.misc.InnocuousThread;
+import jdk.internal.misc.InnocuousThread;
import jdk.internal.misc.VM;
import sun.util.logging.PlatformLogger;
import jdk.internal.logger.LazyLoggers.LazyLoggerAccessor;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/jdk/internal/misc/InnocuousThread.java Mon Feb 15 10:13:21 2016 +0000
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2013, 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 jdk.internal.misc;
+
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.ProtectionDomain;
+import java.security.PrivilegedAction;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * A thread that has no permissions, is not a member of any user-defined
+ * ThreadGroup and supports the ability to erase ThreadLocals.
+ */
+public final class InnocuousThread extends Thread {
+ private static final jdk.internal.misc.Unsafe UNSAFE;
+ private static final long THREAD_LOCALS;
+ private static final long INHERITABLE_THREAD_LOCALS;
+ private static final ThreadGroup INNOCUOUSTHREADGROUP;
+ private static final AccessControlContext ACC;
+ private static final long INHERITEDACCESSCONTROLCONTEXT;
+ private static final long CONTEXTCLASSLOADER;
+
+ private static final AtomicInteger threadNumber = new AtomicInteger(1);
+
+ public InnocuousThread(Runnable target) {
+ this(INNOCUOUSTHREADGROUP, target,
+ "InnocuousThread-" + threadNumber.getAndIncrement());
+ }
+
+ public InnocuousThread(Runnable target, String name) {
+ this(INNOCUOUSTHREADGROUP, target, name);
+ }
+
+ public InnocuousThread(ThreadGroup group, Runnable target, String name) {
+ super(group, target, name, 0L, false);
+ UNSAFE.putOrderedObject(this, INHERITEDACCESSCONTROLCONTEXT, ACC);
+ UNSAFE.putOrderedObject(this, CONTEXTCLASSLOADER, ClassLoader.getSystemClassLoader());
+ }
+
+ @Override
+ public void setUncaughtExceptionHandler(UncaughtExceptionHandler x) {
+ // silently fail
+ }
+
+ @Override
+ public void setContextClassLoader(ClassLoader cl) {
+ // Allow clearing of the TCCL to remove the reference to the system classloader.
+ if (cl == null)
+ super.setContextClassLoader(null);
+ else
+ throw new SecurityException("setContextClassLoader");
+ }
+
+ /**
+ * Drops all thread locals (and inherited thread locals).
+ */
+ public final void eraseThreadLocals() {
+ UNSAFE.putObject(this, THREAD_LOCALS, null);
+ UNSAFE.putObject(this, INHERITABLE_THREAD_LOCALS, null);
+ }
+
+ // ensure run method is run only once
+ private volatile boolean hasRun;
+
+ @Override
+ public void run() {
+ if (Thread.currentThread() == this && !hasRun) {
+ hasRun = true;
+ super.run();
+ }
+ }
+
+ // Use Unsafe to access Thread group and ThreadGroup parent fields
+ static {
+ try {
+ ACC = new AccessControlContext(new ProtectionDomain[] {
+ new ProtectionDomain(null, null)
+ });
+
+ // Find and use topmost ThreadGroup as parent of new group
+ UNSAFE = jdk.internal.misc.Unsafe.getUnsafe();
+ Class<?> tk = Thread.class;
+ Class<?> gk = ThreadGroup.class;
+
+ THREAD_LOCALS = UNSAFE.objectFieldOffset
+ (tk.getDeclaredField("threadLocals"));
+ INHERITABLE_THREAD_LOCALS = UNSAFE.objectFieldOffset
+ (tk.getDeclaredField("inheritableThreadLocals"));
+ INHERITEDACCESSCONTROLCONTEXT = UNSAFE.objectFieldOffset
+ (tk.getDeclaredField("inheritedAccessControlContext"));
+ CONTEXTCLASSLOADER = UNSAFE.objectFieldOffset
+ (tk.getDeclaredField("contextClassLoader"));
+
+ long tg = UNSAFE.objectFieldOffset(tk.getDeclaredField("group"));
+ long gp = UNSAFE.objectFieldOffset(gk.getDeclaredField("parent"));
+ ThreadGroup group = (ThreadGroup)
+ UNSAFE.getObject(Thread.currentThread(), tg);
+
+ while (group != null) {
+ ThreadGroup parent = (ThreadGroup)UNSAFE.getObject(group, gp);
+ if (parent == null)
+ break;
+ group = parent;
+ }
+ final ThreadGroup root = group;
+ INNOCUOUSTHREADGROUP = AccessController.doPrivileged(
+ (PrivilegedAction<ThreadGroup>) () ->
+ { return new ThreadGroup(root, "InnocuousThreadGroup"); });
+ } catch (Exception e) {
+ throw new Error(e);
+ }
+ }
+}
--- a/jdk/src/java.base/share/classes/jdk/internal/ref/CleanerImpl.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/jdk/internal/ref/CleanerImpl.java Mon Feb 15 10:13:21 2016 +0000
@@ -33,7 +33,7 @@
import java.util.concurrent.ThreadFactory;
import java.util.function.Function;
-import sun.misc.InnocuousThread;
+import jdk.internal.misc.InnocuousThread;
/**
* CleanerImpl manages a set of object references and corresponding cleaning actions.
--- a/jdk/src/java.base/share/classes/sun/misc/InnocuousThread.java Sun Feb 14 14:30:48 2016 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 2013, 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.misc;
-
-import java.security.AccessControlContext;
-import java.security.AccessController;
-import java.security.ProtectionDomain;
-import java.security.PrivilegedAction;
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * A thread that has no permissions, is not a member of any user-defined
- * ThreadGroup and supports the ability to erase ThreadLocals.
- */
-public final class InnocuousThread extends Thread {
- private static final jdk.internal.misc.Unsafe UNSAFE;
- private static final long THREAD_LOCALS;
- private static final long INHERITABLE_THREAD_LOCALS;
- private static final ThreadGroup INNOCUOUSTHREADGROUP;
- private static final AccessControlContext ACC;
- private static final long INHERITEDACCESSCONTROLCONTEXT;
- private static final long CONTEXTCLASSLOADER;
-
- private static final AtomicInteger threadNumber = new AtomicInteger(1);
-
- public InnocuousThread(Runnable target) {
- this(INNOCUOUSTHREADGROUP, target,
- "InnocuousThread-" + threadNumber.getAndIncrement());
- }
-
- public InnocuousThread(Runnable target, String name) {
- this(INNOCUOUSTHREADGROUP, target, name);
- }
-
- public InnocuousThread(ThreadGroup group, Runnable target, String name) {
- super(group, target, name, 0L, false);
- UNSAFE.putOrderedObject(this, INHERITEDACCESSCONTROLCONTEXT, ACC);
- UNSAFE.putOrderedObject(this, CONTEXTCLASSLOADER, ClassLoader.getSystemClassLoader());
- }
-
- @Override
- public void setUncaughtExceptionHandler(UncaughtExceptionHandler x) {
- // silently fail
- }
-
- @Override
- public void setContextClassLoader(ClassLoader cl) {
- // Allow clearing of the TCCL to remove the reference to the system classloader.
- if (cl == null)
- super.setContextClassLoader(null);
- else
- throw new SecurityException("setContextClassLoader");
- }
-
- /**
- * Drops all thread locals (and inherited thread locals).
- */
- public final void eraseThreadLocals() {
- UNSAFE.putObject(this, THREAD_LOCALS, null);
- UNSAFE.putObject(this, INHERITABLE_THREAD_LOCALS, null);
- }
-
- // ensure run method is run only once
- private volatile boolean hasRun;
-
- @Override
- public void run() {
- if (Thread.currentThread() == this && !hasRun) {
- hasRun = true;
- super.run();
- }
- }
-
- // Use Unsafe to access Thread group and ThreadGroup parent fields
- static {
- try {
- ACC = new AccessControlContext(new ProtectionDomain[] {
- new ProtectionDomain(null, null)
- });
-
- // Find and use topmost ThreadGroup as parent of new group
- UNSAFE = jdk.internal.misc.Unsafe.getUnsafe();
- Class<?> tk = Thread.class;
- Class<?> gk = ThreadGroup.class;
-
- THREAD_LOCALS = UNSAFE.objectFieldOffset
- (tk.getDeclaredField("threadLocals"));
- INHERITABLE_THREAD_LOCALS = UNSAFE.objectFieldOffset
- (tk.getDeclaredField("inheritableThreadLocals"));
- INHERITEDACCESSCONTROLCONTEXT = UNSAFE.objectFieldOffset
- (tk.getDeclaredField("inheritedAccessControlContext"));
- CONTEXTCLASSLOADER = UNSAFE.objectFieldOffset
- (tk.getDeclaredField("contextClassLoader"));
-
- long tg = UNSAFE.objectFieldOffset(tk.getDeclaredField("group"));
- long gp = UNSAFE.objectFieldOffset(gk.getDeclaredField("parent"));
- ThreadGroup group = (ThreadGroup)
- UNSAFE.getObject(Thread.currentThread(), tg);
-
- while (group != null) {
- ThreadGroup parent = (ThreadGroup)UNSAFE.getObject(group, gp);
- if (parent == null)
- break;
- group = parent;
- }
- final ThreadGroup root = group;
- INNOCUOUSTHREADGROUP = AccessController.doPrivileged(
- (PrivilegedAction<ThreadGroup>) () ->
- { return new ThreadGroup(root, "InnocuousThreadGroup"); });
- } catch (Exception e) {
- throw new Error(e);
- }
- }
-}
--- a/jdk/src/java.base/share/classes/sun/net/www/http/KeepAliveCache.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/sun/net/www/http/KeepAliveCache.java Mon Feb 15 10:13:21 2016 +0000
@@ -30,7 +30,7 @@
import java.util.ArrayList;
import java.util.HashMap;
import java.net.URL;
-import sun.misc.InnocuousThread;
+import jdk.internal.misc.InnocuousThread;
/**
* A class that implements a cache of idle Http connections for keep-alive
--- a/jdk/src/java.base/share/classes/sun/net/www/http/KeepAliveStream.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/sun/net/www/http/KeepAliveStream.java Mon Feb 15 10:13:21 2016 +0000
@@ -27,9 +27,9 @@
import java.io.*;
-import sun.misc.InnocuousThread;
import sun.net.ProgressSource;
import sun.net.www.MeteredStream;
+import jdk.internal.misc.InnocuousThread;
/**
* A stream that has the property of being able to be kept alive for
--- a/jdk/src/java.base/share/classes/sun/nio/ch/Invoker.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/sun/nio/ch/Invoker.java Mon Feb 15 10:13:21 2016 +0000
@@ -29,6 +29,7 @@
import java.util.concurrent.*;
import java.security.AccessController;
import sun.security.action.GetIntegerAction;
+import jdk.internal.misc.InnocuousThread;
/**
* Defines static methods to invoke a completion handler or arbitrary task.
@@ -134,9 +135,9 @@
// clear thread locals when in default thread pool
if (System.getSecurityManager() != null) {
Thread me = Thread.currentThread();
- if (me instanceof sun.misc.InnocuousThread) {
+ if (me instanceof InnocuousThread) {
GroupAndInvokeCount thisGroupAndInvokeCount = myGroupAndInvokeCount.get();
- ((sun.misc.InnocuousThread)me).eraseThreadLocals();
+ ((InnocuousThread)me).eraseThreadLocals();
if (thisGroupAndInvokeCount != null) {
myGroupAndInvokeCount.set(thisGroupAndInvokeCount);
}
--- a/jdk/src/java.base/share/classes/sun/nio/ch/ThreadPool.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.base/share/classes/sun/nio/ch/ThreadPool.java Mon Feb 15 10:13:21 2016 +0000
@@ -30,6 +30,7 @@
import java.security.PrivilegedAction;
import sun.security.action.GetPropertyAction;
import sun.security.action.GetIntegerAction;
+import jdk.internal.misc.InnocuousThread;
/**
* Encapsulates a thread pool associated with a channel group.
@@ -81,7 +82,7 @@
} else {
return (Runnable r) -> {
PrivilegedAction<Thread> action = () -> {
- Thread t = new sun.misc.InnocuousThread(r);
+ Thread t = new InnocuousThread(r);
t.setDaemon(true);
return t;
};
--- a/jdk/src/java.desktop/share/classes/sun/awt/im/InputMethodManager.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.desktop/share/classes/sun/awt/im/InputMethodManager.java Mon Feb 15 10:13:21 2016 +0000
@@ -55,7 +55,6 @@
import java.util.prefs.Preferences;
import sun.awt.InputMethodSupport;
import sun.awt.SunToolkit;
-import sun.misc.InnocuousThread;
import sun.misc.ManagedLocalsThread;
/**
--- a/jdk/src/java.desktop/share/classes/sun/font/SunFontManager.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.desktop/share/classes/sun/font/SunFontManager.java Mon Feb 15 10:13:21 2016 +0000
@@ -54,7 +54,6 @@
import sun.awt.SunToolkit;
import sun.awt.util.ThreadGroupUtils;
import sun.java2d.FontSupport;
-import sun.misc.InnocuousThread;
import sun.misc.ManagedLocalsThread;
import sun.util.logging.PlatformLogger;
--- a/jdk/src/java.desktop/share/classes/sun/java2d/opengl/OGLRenderQueue.java Sun Feb 14 14:30:48 2016 -0800
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/opengl/OGLRenderQueue.java Mon Feb 15 10:13:21 2016 +0000
@@ -28,7 +28,6 @@
import sun.awt.util.ThreadGroupUtils;
import sun.java2d.pipe.RenderBuffer;
import sun.java2d.pipe.RenderQueue;
-import sun.misc.InnocuousThread;
import sun.misc.ManagedLocalsThread;
import static sun.java2d.pipe.BufferedOpCodes.*;