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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 |
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41 #include "wtf/RefCounted.h" | 41 #include "wtf/RefCounted.h" |
42 #include <v8.h> | 42 #include <v8.h> |
43 | 43 |
44 namespace blink { | 44 namespace blink { |
45 | 45 |
46 class WebWaitableEvent; | 46 class WebWaitableEvent; |
47 class WorkerGlobalScope; | 47 class WorkerGlobalScope; |
48 class WorkerInspectorController; | 48 class WorkerInspectorController; |
49 class WorkerMicrotaskRunner; | 49 class WorkerMicrotaskRunner; |
50 class WorkerReportingProxy; | 50 class WorkerReportingProxy; |
51 class WorkerSharedTimer; | |
52 class WorkerThreadStartupData; | 51 class WorkerThreadStartupData; |
53 | 52 |
54 enum WorkerThreadStartMode { | 53 enum WorkerThreadStartMode { |
55 DontPauseWorkerGlobalScopeOnStart, | 54 DontPauseWorkerGlobalScopeOnStart, |
56 PauseWorkerGlobalScopeOnStart | 55 PauseWorkerGlobalScopeOnStart |
57 }; | 56 }; |
58 | 57 |
59 // TODO(sadrul): Rename to WorkerScript. | 58 // TODO(sadrul): Rename to WorkerScript. |
60 class CORE_EXPORT WorkerThread : public RefCounted<WorkerThread> { | 59 class CORE_EXPORT WorkerThread : public RefCounted<WorkerThread> { |
61 public: | 60 public: |
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124 | 123 |
125 virtual v8::Isolate* initializeIsolate(); | 124 virtual v8::Isolate* initializeIsolate(); |
126 virtual void willDestroyIsolate(); | 125 virtual void willDestroyIsolate(); |
127 virtual void destroyIsolate(); | 126 virtual void destroyIsolate(); |
128 virtual void terminateV8Execution(); | 127 virtual void terminateV8Execution(); |
129 | 128 |
130 // This is protected virtual for testing. | 129 // This is protected virtual for testing. |
131 virtual bool doIdleGc(double deadlineSeconds); | 130 virtual bool doIdleGc(double deadlineSeconds); |
132 | 131 |
133 private: | 132 private: |
134 friend class WorkerSharedTimer; | |
135 friend class WorkerMicrotaskRunner; | 133 friend class WorkerMicrotaskRunner; |
136 | 134 |
137 void stopInShutdownSequence(); | 135 void stopInShutdownSequence(); |
138 void stopInternal(); | 136 void stopInternal(); |
139 | 137 |
140 void initialize(PassOwnPtr<WorkerThreadStartupData>); | 138 void initialize(PassOwnPtr<WorkerThreadStartupData>); |
141 void shutdown(); | 139 void shutdown(); |
142 void performIdleWork(double deadlineSeconds); | 140 void performIdleWork(double deadlineSeconds); |
143 void postDelayedTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTas
k>, long long delayMs); | 141 void postDelayedTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTas
k>, long long delayMs); |
144 | 142 |
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166 // Used to signal thread shutdown. | 164 // Used to signal thread shutdown. |
167 OwnPtr<WebWaitableEvent> m_shutdownEvent; | 165 OwnPtr<WebWaitableEvent> m_shutdownEvent; |
168 | 166 |
169 // Used to signal thread termination. | 167 // Used to signal thread termination. |
170 OwnPtr<WebWaitableEvent> m_terminationEvent; | 168 OwnPtr<WebWaitableEvent> m_terminationEvent; |
171 }; | 169 }; |
172 | 170 |
173 } // namespace blink | 171 } // namespace blink |
174 | 172 |
175 #endif // WorkerThread_h | 173 #endif // WorkerThread_h |
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