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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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39 class HOptimizedGraphBuilder; | 39 class HOptimizedGraphBuilder; |
40 class OptimizingCompiler; | 40 class OptimizingCompiler; |
41 class SharedFunctionInfo; | 41 class SharedFunctionInfo; |
42 | 42 |
43 class OptimizingCompilerThread : public Thread { | 43 class OptimizingCompilerThread : public Thread { |
44 public: | 44 public: |
45 explicit OptimizingCompilerThread(Isolate *isolate) : | 45 explicit OptimizingCompilerThread(Isolate *isolate) : |
46 Thread("OptimizingCompilerThread"), | 46 Thread("OptimizingCompilerThread"), |
47 #ifdef DEBUG | 47 #ifdef DEBUG |
48 thread_id_(0), | 48 thread_id_(0), |
| 49 thread_id_mutex_(OS::CreateMutex()), |
49 #endif | 50 #endif |
50 isolate_(isolate), | 51 isolate_(isolate), |
51 stop_semaphore_(OS::CreateSemaphore(0)), | 52 stop_semaphore_(OS::CreateSemaphore(0)), |
52 input_queue_semaphore_(OS::CreateSemaphore(0)), | 53 input_queue_semaphore_(OS::CreateSemaphore(0)), |
| 54 install_mutex_(OS::CreateMutex()), |
53 time_spent_compiling_(0), | 55 time_spent_compiling_(0), |
54 time_spent_total_(0) { | 56 time_spent_total_(0) { |
55 NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false)); | 57 NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false)); |
56 NoBarrier_Store(&queue_length_, static_cast<AtomicWord>(0)); | 58 NoBarrier_Store(&queue_length_, static_cast<AtomicWord>(0)); |
57 } | 59 } |
58 | 60 |
59 void Run(); | 61 void Run(); |
60 void Stop(); | 62 void Stop(); |
61 void CompileNext(); | 63 void CompileNext(); |
62 void QueueForOptimization(OptimizingCompiler* optimizing_compiler); | 64 void QueueForOptimization(OptimizingCompiler* optimizing_compiler); |
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74 // doesn't introduce a race -- queue_length_ may decreased in | 76 // doesn't introduce a race -- queue_length_ may decreased in |
75 // meantime, but not increased. | 77 // meantime, but not increased. |
76 return (current_length < FLAG_parallel_recompilation_queue_length); | 78 return (current_length < FLAG_parallel_recompilation_queue_length); |
77 } | 79 } |
78 | 80 |
79 #ifdef DEBUG | 81 #ifdef DEBUG |
80 bool IsOptimizerThread(); | 82 bool IsOptimizerThread(); |
81 #endif | 83 #endif |
82 | 84 |
83 ~OptimizingCompilerThread() { | 85 ~OptimizingCompilerThread() { |
| 86 delete install_mutex_; |
84 delete input_queue_semaphore_; | 87 delete input_queue_semaphore_; |
85 delete stop_semaphore_; | 88 delete stop_semaphore_; |
| 89 #ifdef DEBUG |
| 90 delete thread_id_mutex_; |
| 91 #endif |
86 } | 92 } |
87 | 93 |
88 private: | 94 private: |
89 #ifdef DEBUG | 95 #ifdef DEBUG |
90 int thread_id_; | 96 int thread_id_; |
91 Mutex thread_id_mutex_; | 97 Mutex* thread_id_mutex_; |
92 #endif | 98 #endif |
93 | 99 |
94 Isolate* isolate_; | 100 Isolate* isolate_; |
95 Semaphore* stop_semaphore_; | 101 Semaphore* stop_semaphore_; |
96 Semaphore* input_queue_semaphore_; | 102 Semaphore* input_queue_semaphore_; |
97 UnboundQueue<OptimizingCompiler*> input_queue_; | 103 UnboundQueue<OptimizingCompiler*> input_queue_; |
98 UnboundQueue<OptimizingCompiler*> output_queue_; | 104 UnboundQueue<OptimizingCompiler*> output_queue_; |
99 Mutex install_mutex_; | 105 Mutex* install_mutex_; |
100 volatile AtomicWord stop_thread_; | 106 volatile AtomicWord stop_thread_; |
101 volatile Atomic32 queue_length_; | 107 volatile Atomic32 queue_length_; |
102 int64_t time_spent_compiling_; | 108 int64_t time_spent_compiling_; |
103 int64_t time_spent_total_; | 109 int64_t time_spent_total_; |
104 }; | 110 }; |
105 | 111 |
106 } } // namespace v8::internal | 112 } } // namespace v8::internal |
107 | 113 |
108 #endif // V8_OPTIMIZING_COMPILER_THREAD_H_ | 114 #endif // V8_OPTIMIZING_COMPILER_THREAD_H_ |
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