Mercurial > hg > truffle
view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/CompilerThreadFactory.java @ 13497:55987bbeec42
Bugfix: do not eliminate exception handler entry blocks
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Fri, 03 Jan 2014 11:51:23 -0800 |
parents | 47ac1df40fc2 |
children | c3ec1e4494b8 |
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/* * Copyright (c) 2012, 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. */ package com.oracle.graal.compiler; import java.util.concurrent.*; import com.oracle.graal.debug.*; /** * Facility for creating {@linkplain CompilerThread compiler threads}. */ public class CompilerThreadFactory implements ThreadFactory { /** * Capability to get a thread-local debug configuration for the current thread. */ public interface DebugConfigAccess { /** * Get a thread-local debug configuration for the current thread. This will be null if * debugging is {@linkplain Debug#isEnabled() disabled}. */ GraalDebugConfig getDebugConfig(); } protected final String threadNamePrefix; protected final DebugConfigAccess debugConfigAccess; public CompilerThreadFactory(String threadNamePrefix, DebugConfigAccess debugConfigAccess) { this.threadNamePrefix = threadNamePrefix; this.debugConfigAccess = debugConfigAccess; } public Thread newThread(Runnable r) { return new CompilerThread(r, threadNamePrefix, debugConfigAccess); } /** * A compiler thread is a daemon thread that runs at {@link Thread#MAX_PRIORITY} and executes in * the context of a thread-local {@linkplain GraalDebugConfig debug configuration}. */ public static class CompilerThread extends Thread { private final DebugConfigAccess debugConfigAccess; public CompilerThread(Runnable r, String namePrefix, DebugConfigAccess debugConfigAccess) { super(r); this.setName(namePrefix + "-" + this.getId()); this.setPriority(Thread.MAX_PRIORITY); this.setDaemon(true); this.debugConfigAccess = debugConfigAccess; } @Override public void run() { GraalDebugConfig debugConfig = debugConfigAccess.getDebugConfig(); try { super.run(); } finally { if (debugConfig != null) { for (DebugDumpHandler dumpHandler : debugConfig.dumpHandlers()) { try { dumpHandler.close(); } catch (Throwable t) { } } } } } } }