From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- .../classpath/vm/reference/java/lang/VMObject.java | 105 +++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 libjava/classpath/vm/reference/java/lang/VMObject.java (limited to 'libjava/classpath/vm/reference/java/lang/VMObject.java') diff --git a/libjava/classpath/vm/reference/java/lang/VMObject.java b/libjava/classpath/vm/reference/java/lang/VMObject.java new file mode 100644 index 000000000..279f250c0 --- /dev/null +++ b/libjava/classpath/vm/reference/java/lang/VMObject.java @@ -0,0 +1,105 @@ +/* VMObject.java -- Reference implementation for VM hooks used by Object + Copyright (C) 1998, 2002, 2005 Free Software Foundation + +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; + +/** + * Object is the ultimate superclass of every class (excepting interfaces). + * As such, it needs help from the VM. + * + * @author John Keiser + * @author Eric Blake (ebb9@email.byu.edu) + */ +final class VMObject +{ + /** + * Returns the runtime {@link Class} of a given Object. + * + * @param obj the object to return the class for. + * + * @return the class of the Object. + */ + static native Class getClass(Object obj); + + /** + * The VM is expected to make a field-for-field shallow copy of the + * argument. Thus, the copy has the same runtime type as the argument. + * Note, however, that the cloned object must still be finalizable, even + * if the original has already had finalize() invoked on it. + * + * @param c the Cloneable to clone + * @return the clone + */ + static native Object clone(Cloneable c); + + /** + * Wakes up one of the threads that is waiting on this Object's monitor. + * Only the owner of a lock on the Object may call this method. The Thread + * to wake up is chosen arbitrarily. + * + * @param o the object doing the notify + * @throw IllegalMonitorStateException if this Thread does not own the + * lock on the Object + */ + static native void notify(Object o) throws IllegalMonitorStateException; + + /** + * Wakes up all of the threads waiting on this Object's monitor. Only + * the owner of the lock on this Object may call this method. + * + * @param o the object doing the notifyAll + * @throws IllegalMonitorStateException if this Thread does not own the + * lock on the Object + */ + static native void notifyAll(Object o) throws IllegalMonitorStateException; + + /** + * Waits a specified amount of time for notify() or notifyAll() to be + * called on this Object. The VM does not have to pay attention to the + * ns argument, if it does not have that much granularity. + * + * @param o the object to suspend on + * @param ms milliseconds to wait (1,000 milliseconds = 1 second) + * @param ns nanoseconds to wait beyond ms (1,000,000 nanoseconds + * == 1 millisecond) + * @throws IllegalMonitorStateException if this Thread does not own the + * lock on the Object + * @throws InterruptedException if some other Thread interrupts this Thread + */ + static native void wait(Object o, long ms, int ns) + throws IllegalMonitorStateException, InterruptedException; +} -- cgit v1.2.3