xref: /openjdk9/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/CompilerThreadFactory.java

/*
 * 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 org.graalvm.compiler.core;

import java.util.concurrent.ThreadFactory;

import org.graalvm.compiler.debug.DebugConfig;

/**
 * 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 disabled.
         */
        DebugConfig getDebugConfig();
    }

    protected final String threadNamePrefix;
    protected final DebugConfigAccess debugConfigAccess;

    public CompilerThreadFactory(String threadNamePrefix, DebugConfigAccess debugConfigAccess) {
        this.threadNamePrefix = threadNamePrefix;
        this.debugConfigAccess = debugConfigAccess;
    }

    @Override
    public Thread newThread(Runnable r) {
        return new CompilerThread(r, threadNamePrefix, debugConfigAccess);
    }
}