CompilerThread.java revision 12651:6ef01bd40ce2 
1/*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.core;
24
25import org.graalvm.compiler.core.CompilerThreadFactory.DebugConfigAccess;
26import org.graalvm.compiler.debug.DebugConfig;
27import org.graalvm.compiler.debug.DebugDumpHandler;
28import org.graalvm.compiler.debug.GraalDebugConfig;
29
30/**
31 * A compiler thread is a daemon thread that runs at {@link Thread#MAX_PRIORITY} and executes in the
32 * context of a thread-local {@linkplain GraalDebugConfig debug configuration}.
33 */
34public class CompilerThread extends Thread {
35
36    private final DebugConfigAccess debugConfigAccess;
37
38    public CompilerThread(Runnable r, String namePrefix, DebugConfigAccess debugConfigAccess) {
39        super(r);
40        this.setName(namePrefix + "-" + this.getId());
41        this.setPriority(Thread.MAX_PRIORITY);
42        this.setDaemon(true);
43        this.debugConfigAccess = debugConfigAccess;
44    }
45
46    @Override
47    public void run() {
48        DebugConfig debugConfig = debugConfigAccess.getDebugConfig();
49        setContextClassLoader(getClass().getClassLoader());
50        try {
51            super.run();
52        } finally {
53            if (debugConfig != null) {
54                for (DebugDumpHandler dumpHandler : debugConfig.dumpHandlers()) {
55                    try {
56                        dumpHandler.close();
57                    } catch (Throwable t) {
58                    }
59                }
60            }
61        }
62    }
63}
64