Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/debugger/linux/LinuxThread.java @ 210:05712c37c828
6676016: ParallelOldGC leaks memory
Summary: ensure that GCTask threads release resource and handle memory
Reviewed-by: jmasa, chrisphi
author | jcoomes |
---|---|
date | Wed, 18 Jun 2008 18:36:47 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.debugger.linux; import sun.jvm.hotspot.debugger.*; class LinuxThread implements ThreadProxy { private LinuxDebugger debugger; private int lwp_id; /** The address argument must be the address of the _thread_id in the OSThread. It's value is result ::gettid() call. */ LinuxThread(LinuxDebugger debugger, Address addr) { this.debugger = debugger; // FIXME: size of data fetched here should be configurable. // However, making it so would produce a dependency on the "types" // package from the debugger package, which is not desired. this.lwp_id = (int) addr.getCIntegerAt(0, 4, true); } LinuxThread(LinuxDebugger debugger, long id) { this.debugger = debugger; this.lwp_id = (int) id; } public boolean equals(Object obj) { if ((obj == null) || !(obj instanceof LinuxThread)) { return false; } return (((LinuxThread) obj).lwp_id == lwp_id); } public int hashCode() { return lwp_id; } public String toString() { return Integer.toString(lwp_id); } public ThreadContext getContext() throws IllegalThreadStateException { long[] data = debugger.getThreadIntegerRegisterSet(lwp_id); ThreadContext context = LinuxThreadContextFactory.createThreadContext(debugger); for (int i = 0; i < data.length; i++) { context.setRegister(i, data[i]); } return context; } public boolean canSetContext() throws DebuggerException { return false; } public void setContext(ThreadContext context) throws IllegalThreadStateException, DebuggerException { throw new DebuggerException("Unimplemented"); } }