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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WorkerBackingThread_h | |
6 #define WorkerBackingThread_h | |
7 | |
8 #include "core/CoreExport.h" | |
9 #include "wtf/Forward.h" | |
10 #include "wtf/OwnPtr.h" | |
11 #include "wtf/PassOwnPtr.h" | |
12 #include "wtf/PassRefPtr.h" | |
13 #include "wtf/ThreadSafeRefCounted.h" | |
14 #include "wtf/ThreadingPrimitives.h" | |
15 #include <v8.h> | |
16 | |
17 namespace blink { | |
18 | |
19 class WaitableEvent; | |
20 class WebThread; | |
21 class WebThreadSupportingGC; | |
22 | |
23 class CORE_EXPORT WorkerBackingThread final : public ThreadSafeRefCounted<Worker BackingThread> { | |
24 public: | |
25 static PassRefPtr<WorkerBackingThread> create(const char* name) { return ado ptRef(new WorkerBackingThread(name)); } | |
26 static PassRefPtr<WorkerBackingThread> create(WebThread* thread) { return ad optRef(new WorkerBackingThread(thread)); } | |
27 | |
28 ~WorkerBackingThread(); | |
29 | |
30 void attach(); | |
31 void detach(); | |
32 unsigned workerScriptCount() | |
33 { | |
34 MutexLocker locker(m_mutex); | |
35 return m_workerScriptCount; | |
36 } | |
37 | |
38 WebThreadSupportingGC& backingThread() | |
39 { | |
40 ASSERT(m_backingThread); | |
41 return *m_backingThread; | |
42 } | |
43 | |
44 v8::Isolate* isolate() const { return m_isolate; } | |
45 | |
46 void setInitializationEventForTest(); | |
47 WaitableEvent* initializationEventForTest() { return m_initializationEventFo rTest.get(); } | |
kinuko
2016/02/29 09:32:53
Hmm could we not have these?
yhirano
2016/02/29 23:47:32
Done.
| |
48 | |
49 private: | |
50 explicit WorkerBackingThread(const char* name); | |
51 explicit WorkerBackingThread(WebThread*); | |
52 void initialize(); | |
53 void shutdown(); | |
54 | |
55 Mutex m_mutex; | |
56 OwnPtr<WebThreadSupportingGC> m_backingThread; | |
57 OwnPtr<WaitableEvent> m_initializationEventForTest; | |
58 v8::Isolate* m_isolate = nullptr; | |
59 unsigned m_workerScriptCount = 0; | |
60 bool m_isOwningThread; | |
61 }; | |
62 | |
63 } // namespace blink | |
64 | |
65 #endif // WorkerBackingThread_h | |
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