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| 1 /* | 1 /* |
| 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 29 matching lines...) Expand all Loading... |
| 40 } | 40 } |
| 41 | 41 |
| 42 namespace WebCore { | 42 namespace WebCore { |
| 43 | 43 |
| 44 class KURL; | 44 class KURL; |
| 45 class NotificationClient; | 45 class NotificationClient; |
| 46 class WorkerGlobalScope; | 46 class WorkerGlobalScope; |
| 47 class WorkerLoaderProxy; | 47 class WorkerLoaderProxy; |
| 48 class WorkerReportingProxy; | 48 class WorkerReportingProxy; |
| 49 class WorkerThreadStartupData; | 49 class WorkerThreadStartupData; |
| 50 class WorkerDebuggerAgent; |
| 50 | 51 |
| 51 enum WorkerThreadStartMode { DontPauseWorkerGlobalScopeOnStart, PauseWorkerG
lobalScopeOnStart }; | 52 enum WorkerThreadStartMode { DontPauseWorkerGlobalScopeOnStart, PauseWorkerG
lobalScopeOnStart }; |
| 52 | 53 |
| 53 class WorkerThread : public RefCounted<WorkerThread> { | 54 class WorkerThread : public RefCounted<WorkerThread> { |
| 54 public: | 55 public: |
| 55 virtual ~WorkerThread(); | 56 virtual ~WorkerThread(); |
| 56 | 57 |
| 57 bool start(); | 58 bool start(); |
| 58 void stop(); | 59 void stop(); |
| 59 | 60 |
| 60 // Can be used to wait for this worker thread to shut down. | 61 // Can be used to wait for this worker thread to shut down. |
| 61 // (This is signalled on the main thread, so it's assumed to be waited o
n the worker context thread) | 62 // (This is signalled on the main thread, so it's assumed to be waited o
n the worker context thread) |
| 62 blink::WebWaitableEvent* shutdownEvent() { return m_shutdownEvent.get();
} | 63 blink::WebWaitableEvent* shutdownEvent() { return m_shutdownEvent.get();
} |
| 63 | 64 |
| 64 bool isCurrentThread() const; | 65 bool isCurrentThread() const; |
| 65 WorkerRunLoop& runLoop() { return m_runLoop; } | 66 WorkerRunLoop& runLoop() { return m_runLoop; } |
| 66 WorkerLoaderProxy& workerLoaderProxy() const { return m_workerLoaderProx
y; } | 67 WorkerLoaderProxy& workerLoaderProxy() const { return m_workerLoaderProx
y; } |
| 67 WorkerReportingProxy& workerReportingProxy() const { return m_workerRepo
rtingProxy; } | 68 WorkerReportingProxy& workerReportingProxy() const { return m_workerRepo
rtingProxy; } |
| 68 | 69 |
| 69 // Number of active worker threads. | 70 // Number of active worker threads. |
| 70 static unsigned workerThreadCount(); | 71 static unsigned workerThreadCount(); |
| 71 | 72 |
| 72 NotificationClient* getNotificationClient() { return m_notificationClien
t; } | 73 NotificationClient* getNotificationClient() { return m_notificationClien
t; } |
| 73 void setNotificationClient(NotificationClient* client) { m_notificationC
lient = client; } | 74 void setNotificationClient(NotificationClient* client) { m_notificationC
lient = client; } |
| 74 | 75 |
| 76 WorkerGlobalScope* workerGlobalScope() { return m_workerGlobalScope.get(
); } |
| 77 |
| 78 void interruptAndDispatchInspectorCommands(); |
| 79 |
| 75 protected: | 80 protected: |
| 76 WorkerThread(WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtrWillBe
RawPtr<WorkerThreadStartupData>); | 81 WorkerThread(WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtrWillBe
RawPtr<WorkerThreadStartupData>); |
| 77 | 82 |
| 78 // Factory method for creating a new worker context for the thread. | 83 // Factory method for creating a new worker context for the thread. |
| 79 virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScop
e(PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>) = 0; | 84 virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScop
e(PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>) = 0; |
| 80 | 85 |
| 81 // Executes the event loop for the worker thread. Derived classes can ov
erride to perform actions before/after entering the event loop. | 86 // Executes the event loop for the worker thread. Derived classes can ov
erride to perform actions before/after entering the event loop. |
| 82 virtual void runEventLoop(); | 87 virtual void runEventLoop(); |
| 83 | 88 |
| 84 WorkerGlobalScope* workerGlobalScope() { return m_workerGlobalScope.get(
); } | |
| 85 | |
| 86 private: | 89 private: |
| 87 // Static function executed as the core routine on the new thread. Passe
d a pointer to a WorkerThread object. | 90 // Static function executed as the core routine on the new thread. Passe
d a pointer to a WorkerThread object. |
| 88 static void workerThreadStart(void*); | 91 static void workerThreadStart(void*); |
| 89 | 92 |
| 90 void workerThread(); | 93 void workerThread(); |
| 91 | 94 |
| 92 ThreadIdentifier m_threadID; | 95 ThreadIdentifier m_threadID; |
| 93 WorkerRunLoop m_runLoop; | 96 WorkerRunLoop m_runLoop; |
| 94 WorkerLoaderProxy& m_workerLoaderProxy; | 97 WorkerLoaderProxy& m_workerLoaderProxy; |
| 95 WorkerReportingProxy& m_workerReportingProxy; | 98 WorkerReportingProxy& m_workerReportingProxy; |
| 96 | 99 |
| 97 RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope; | 100 RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope; |
| 98 Mutex m_threadCreationMutex; | 101 Mutex m_threadCreationMutex; |
| 99 | 102 |
| 100 OwnPtrWillBePersistent<WorkerThreadStartupData> m_startupData; | 103 OwnPtrWillBePersistent<WorkerThreadStartupData> m_startupData; |
| 101 | 104 |
| 102 NotificationClient* m_notificationClient; | 105 NotificationClient* m_notificationClient; |
| 103 | 106 |
| 104 // Used to signal thread shutdown. | 107 // Used to signal thread shutdown. |
| 105 OwnPtr<blink::WebWaitableEvent> m_shutdownEvent; | 108 OwnPtr<blink::WebWaitableEvent> m_shutdownEvent; |
| 109 OwnPtrWillBePersistent<WorkerDebuggerAgent> m_workerDebuggerAgent; |
| 106 }; | 110 }; |
| 107 | 111 |
| 108 } // namespace WebCore | 112 } // namespace WebCore |
| 109 | 113 |
| 110 #endif // WorkerThread_h | 114 #endif // WorkerThread_h |
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