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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WebThreadSupportingGC_h | 5 #ifndef WebThreadSupportingGC_h |
6 #define WebThreadSupportingGC_h | 6 #define WebThreadSupportingGC_h |
7 | 7 |
8 #include "platform/heap/glue/MessageLoopInterruptor.h" | 8 #include "platform/heap/glue/MessageLoopInterruptor.h" |
9 #include "platform/heap/glue/PendingGCRunner.h" | 9 #include "platform/heap/glue/PendingGCRunner.h" |
10 #include "public/platform/Platform.h" | 10 #include "public/platform/Platform.h" |
11 #include "public/platform/WebThread.h" | 11 #include "public/platform/WebThread.h" |
12 #include "wtf/Noncopyable.h" | 12 #include "wtf/Noncopyable.h" |
13 #include "wtf/OwnPtr.h" | 13 #include "wtf/OwnPtr.h" |
14 #include "wtf/PassOwnPtr.h" | 14 #include "wtf/PassOwnPtr.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 // WebThreadSupportingGC wraps a WebThread and adds support for attaching | 18 // WebThreadSupportingGC wraps a WebThread and adds support for attaching |
19 // to and detaching from the Blink GC infrastructure. The attachGC method | 19 // to and detaching from the Blink GC infrastructure. The attachGC method |
20 // must be called during initialization on the WebThread and before the | 20 // must be called during initialization on the WebThread and before the |
21 // thread allocates any objects managed by the Blink GC. The detach GC | 21 // thread allocates any objects managed by the Blink GC. The detach GC |
22 // method must be called on the WebThread during shutdown when the thread | 22 // method must be called on the WebThread during shutdown when the thread |
23 // no longer needs to access objects managed by the Blink GC. | 23 // no longer needs to access objects managed by the Blink GC. |
24 class PLATFORM_EXPORT WebThreadSupportingGC FINAL { | 24 class PLATFORM_EXPORT WebThreadSupportingGC final { |
25 WTF_MAKE_NONCOPYABLE(WebThreadSupportingGC); | 25 WTF_MAKE_NONCOPYABLE(WebThreadSupportingGC); |
26 public: | 26 public: |
27 static PassOwnPtr<WebThreadSupportingGC> create(const char*); | 27 static PassOwnPtr<WebThreadSupportingGC> create(const char*); |
28 ~WebThreadSupportingGC(); | 28 ~WebThreadSupportingGC(); |
29 | 29 |
30 void postTask(WebThread::Task* task) | 30 void postTask(WebThread::Task* task) |
31 { | 31 { |
32 m_thread->postTask(task); | 32 m_thread->postTask(task); |
33 } | 33 } |
34 | 34 |
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81 // A WorkerThread might get deleted before it had a chance to properly | 81 // A WorkerThread might get deleted before it had a chance to properly |
82 // shut down. By deleting the WebThread first, we can guarantee that | 82 // shut down. By deleting the WebThread first, we can guarantee that |
83 // no pending tasks on the thread might want to access any of the other | 83 // no pending tasks on the thread might want to access any of the other |
84 // members during the WorkerThread's destruction. | 84 // members during the WorkerThread's destruction. |
85 OwnPtr<WebThread> m_thread; | 85 OwnPtr<WebThread> m_thread; |
86 }; | 86 }; |
87 | 87 |
88 } | 88 } |
89 | 89 |
90 #endif | 90 #endif |
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