WebCore/WorkerThread.h

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  */
  26
  27 #ifndef WorkerThread_h
  28 #define WorkerThread_h
  29
  30 #if ENABLE(WORKERS)
  31
  32 #include <WorkerRunLoop.h>
  33 #include <wtf/OwnPtr.h>
  34 #include <wtf/PassRefPtr.h>
  35 #include <wtf/RefCounted.h>
  36
  37 namespace WebCore {
  38
  39     class KURL;
  40     class String;
  41     class WorkerContext;
  42     class WorkerMessagingProxy;
  43     class WorkerTask;
  44     struct WorkerThreadStartupData;
  45
  46     class WorkerThread : public RefCounted<WorkerThread> {
  47     public:
  48         static PassRefPtr<WorkerThread> create(const KURL& scriptURL, const String& userAgent, const String& sourceCode, WorkerMessagingProxy*);
  49         ~WorkerThread();
  50
  51         bool start();
  52         void stop();
  53
  54         ThreadIdentifier threadID() const { return m_threadID; }
  55         WorkerRunLoop& runLoop() { return m_runLoop; }
  56         WorkerMessagingProxy* messagingProxy() const { return m_messagingProxy; }
  57
  58     private:
  59         WorkerThread(const KURL&, const String& userAgent, const String& sourceCode, WorkerMessagingProxy*);
  60
  61         static void* workerThreadStart(void*);
  62         void* workerThread();
  63
  64         ThreadIdentifier m_threadID;
  65         WorkerRunLoop m_runLoop;
  66         WorkerMessagingProxy* m_messagingProxy;
  67
  68         RefPtr<WorkerContext> m_workerContext;
  69         Mutex m_threadCreationMutex;
  70
  71         OwnPtr<WorkerThreadStartupData> m_startupData;
  72     };
  73
  74 } // namespace WebCore
  75
  76 #endif // ENABLE(WORKERS)
  77
  78 #endif // WorkerThread_h