src/share/vm/runtime/serviceThread.hpp

Thu, 13 Oct 2011 09:35:42 -0700

author
dcubed
date
Thu, 13 Oct 2011 09:35:42 -0700
changeset 3202
436b4a3231bf
parent 0
f90c822e73f8
permissions
-rw-r--r--

7098194: integrate macosx-port changes
Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: Christos Zoulas <christos@zoulas.com>, Greg Lewis <glewis@eyesbeyond.com>, Kurt Miller <kurt@intricatesoftware.com>, Alexander Strange <astrange@apple.com>, Mike Swingler <swingler@apple.com>, Roger Hoover <rhoover@apple.com>, Victor Hernandez <vhernandez@apple.com>, Pratik Solanki <psolanki@apple.com>

     1 /*
     2  * Copyright (c) 2011, 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  *
    23  */
    25 #ifndef SHARE_VM_RUNTIME_SERVICETHREAD_HPP
    26 #define SHARE_VM_RUNTIME_SERVICETHREAD_HPP
    28 #include "runtime/thread.hpp"
    30 // A JavaThread for low memory detection support and JVMTI
    31 // compiled-method-load events.
    32 class ServiceThread : public JavaThread {
    33   friend class VMStructs;
    34  private:
    36   static ServiceThread* _instance;
    38   static void service_thread_entry(JavaThread* thread, TRAPS);
    39   ServiceThread(ThreadFunction entry_point) : JavaThread(entry_point) {};
    41  public:
    42   static void initialize();
    44   // Hide this thread from external view.
    45   bool is_hidden_from_external_view() const      { return true; }
    47   // Returns true if the passed thread is the service thread.
    48   static bool is_service_thread(Thread* thread);
    49 };
    51 #endif // SHARE_VM_RUNTIME_SERVICETHREAD_HPP

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