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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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43 class Thread; | 43 class Thread; |
44 class WorkerThread; | 44 class WorkerThread; |
45 | 45 |
46 class DefaultPlatform : public Platform { | 46 class DefaultPlatform : public Platform { |
47 public: | 47 public: |
48 DefaultPlatform(); | 48 DefaultPlatform(); |
49 virtual ~DefaultPlatform(); | 49 virtual ~DefaultPlatform(); |
50 | 50 |
51 void SetThreadPoolSize(int thread_pool_size); | 51 void SetThreadPoolSize(int thread_pool_size); |
52 | 52 |
| 53 void EnsureInitialized(); |
| 54 |
53 // v8::Platform implementation. | 55 // v8::Platform implementation. |
54 virtual void CallOnBackgroundThread( | 56 virtual void CallOnBackgroundThread( |
55 Task *task, ExpectedRuntime expected_runtime) V8_OVERRIDE; | 57 Task *task, ExpectedRuntime expected_runtime) V8_OVERRIDE; |
56 virtual void CallOnForegroundThread(v8::Isolate *isolate, | 58 virtual void CallOnForegroundThread(v8::Isolate *isolate, |
57 Task *task) V8_OVERRIDE; | 59 Task *task) V8_OVERRIDE; |
58 | 60 |
59 private: | 61 private: |
60 static const int kMaxThreadPoolSize = 4; | 62 static const int kMaxThreadPoolSize = 4; |
61 | 63 |
62 void EnsureInitialized(); | |
63 | |
64 Mutex lock_; | 64 Mutex lock_; |
65 bool initialized_; | 65 bool initialized_; |
66 int thread_pool_size_; | 66 int thread_pool_size_; |
67 std::vector<WorkerThread*> thread_pool_; | 67 std::vector<WorkerThread*> thread_pool_; |
68 TaskQueue queue_; | 68 TaskQueue queue_; |
69 | 69 |
70 DISALLOW_COPY_AND_ASSIGN(DefaultPlatform); | 70 DISALLOW_COPY_AND_ASSIGN(DefaultPlatform); |
71 }; | 71 }; |
72 | 72 |
73 | 73 |
74 } } // namespace v8::internal | 74 } } // namespace v8::internal |
75 | 75 |
76 | 76 |
77 #endif // V8_LIBPLATFORM_DEFAULT_PLATFORM_H_ | 77 #endif // V8_LIBPLATFORM_DEFAULT_PLATFORM_H_ |
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