From 07b78716af6a9d7c9fd1e94d9baf94a52c873947 Mon Sep 17 00:00:00 2001 From: Andrew Haley Date: Fri, 30 Sep 2016 16:24:48 +0000 Subject: Makefile.def: Remove libjava. 2016-09-30 Andrew Haley * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662 --- libjava/java/lang/ThreadLocal.java | 198 ------------------------------------- 1 file changed, 198 deletions(-) delete mode 100644 libjava/java/lang/ThreadLocal.java (limited to 'libjava/java/lang/ThreadLocal.java') diff --git a/libjava/java/lang/ThreadLocal.java b/libjava/java/lang/ThreadLocal.java deleted file mode 100644 index 9223dba..0000000 --- a/libjava/java/lang/ThreadLocal.java +++ /dev/null @@ -1,198 +0,0 @@ -/* ThreadLocal -- a variable with a unique value per thread - Copyright (C) 2000, 2002, 2003, 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.lang; - -import java.util.Map; - - -/** - * ThreadLocal objects have a different state associated with every - * Thread that accesses them. Every access to the ThreadLocal object - * (through the get() and set() methods) - * only affects the state of the object as seen by the currently - * executing Thread. - * - *

The first time a ThreadLocal object is accessed on a particular - * Thread, the state for that Thread's copy of the local variable is set by - * executing the method initialValue(). - *

- * - *

An example how you can use this: - *

- * - * 
- * class Connection
- * {
- *   private static ThreadLocal owner = new ThreadLocal()
- *     {
- *       public Object initialValue()
- *       {
- *         return("nobody");
- *       }
- *     };
- * ...
- * }
- *
- * - *

Now all instances of connection can see who the owner of the currently - * executing Thread is by calling owner.get(). By default any - * Thread would be associated with 'nobody'. But the Connection object could - * offer a method that changes the owner associated with the Thread on - * which the method was called by calling owner.put("somebody"). - * (Such an owner changing method should then be guarded by security checks.) - *

- * - *

When a Thread is garbage collected all references to values of - * the ThreadLocal objects associated with that Thread are removed. - *

- * - * @author Mark Wielaard (mark@klomp.org) - * @author Eric Blake (ebb9@email.byu.edu) - * @since 1.2 - * @status updated to 1.5 - */ -public class ThreadLocal -{ - /** - * Placeholder to distinguish between uninitialized and null set by the - * user. Do not expose this to the public. Package visible for use by - * InheritableThreadLocal - */ - static final Object sentinel = new Object(); - - /** - * The base for the computation of the next hash for a thread local. - */ - private static int nextHashBase = 1; - - /** - * Allocate a new hash. - */ - private synchronized int computeNextHash() - { - return nextHashBase++ * 6709; - } - - /** - * Hash code computed for ThreadLocalMap - */ - final int fastHash; - - /** - * Creates a ThreadLocal object without associating any value to it yet. - */ - public ThreadLocal() - { - constructNative(); - fastHash = computeNextHash(); - } - - /** - * Called once per thread on the first invocation of get(), if set() was - * not already called. The default implementation returns null. - * Often, this method is overridden to create the appropriate initial object - * for the current thread's view of the ThreadLocal. - * - * @return the initial value of the variable in this thread - */ - protected T initialValue() - { - return null; - } - - /** - * Gets the value associated with the ThreadLocal object for the currently - * executing Thread. If this is the first time the current thread has called - * get(), and it has not already called set(), the value is obtained by - * initialValue(). - * - * @return the value of the variable in this thread - */ - public native T get(); - - private final Object internalGet() - { - ThreadLocalMap map = Thread.getThreadLocals(); - // Note that we don't have to synchronize, as only this thread will - // ever modify the map. - T value = (T) map.get(this); - if (value == sentinel) - { - value = initialValue(); - map.set(this, value); - } - return value; - } - - /** - * Sets the value associated with the ThreadLocal object for the currently - * executing Thread. This overrides any existing value associated with the - * current Thread and prevents initialValue() from being - * called if this is the first access to this ThreadLocal in this Thread. - * - * @param value the value to set this thread's view of the variable to - */ - public native void set(T value); - - private final void internalSet(Object value) - { - ThreadLocalMap map = Thread.getThreadLocals(); - // Note that we don't have to synchronize, as only this thread will - // ever modify the map. - map.set(this, value); - } - - /** - * Removes the value associated with the ThreadLocal object for the - * currently executing Thread. - * @since 1.5 - */ - public native void remove(); - - private final void internalRemove() - { - ThreadLocalMap map = Thread.getThreadLocals(); - map.remove(this); - } - - protected native void finalize () throws Throwable; - - private native void constructNative(); - - private gnu.gcj.RawData TLSPointer; -} -- cgit v1.1