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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_THREAD_INTERRUPTER_H_ | 5 #ifndef VM_THREAD_INTERRUPTER_H_ |
6 #define VM_THREAD_INTERRUPTER_H_ | 6 #define VM_THREAD_INTERRUPTER_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 #include "vm/signal_handler.h" | 9 #include "vm/signal_handler.h" |
10 #include "vm/os_thread.h" | 10 #include "vm/os_thread.h" |
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70 | 70 |
71 private: | 71 private: |
72 static const intptr_t kMaxThreads = 4096; | 72 static const intptr_t kMaxThreads = 4096; |
73 static bool initialized_; | 73 static bool initialized_; |
74 static bool shutdown_; | 74 static bool shutdown_; |
75 static bool thread_running_; | 75 static bool thread_running_; |
76 static ThreadId interrupter_thread_id_; | 76 static ThreadId interrupter_thread_id_; |
77 static Monitor* monitor_; | 77 static Monitor* monitor_; |
78 static intptr_t interrupt_period_; | 78 static intptr_t interrupt_period_; |
79 static intptr_t current_wait_time_; | 79 static intptr_t current_wait_time_; |
80 static ThreadLocalKey thread_state_key_; | |
81 | 80 |
82 static bool InDeepSleep() { | 81 static bool InDeepSleep() { |
83 return current_wait_time_ == Monitor::kNoTimeout; | 82 return current_wait_time_ == Monitor::kNoTimeout; |
84 } | 83 } |
85 | 84 |
86 static InterruptableThreadState* _EnsureThreadStateCreated(); | 85 static InterruptableThreadState* _EnsureThreadStateCreated(); |
87 static void UpdateStateObject(ThreadInterruptCallback callback, void* data); | 86 static void UpdateStateObject(ThreadInterruptCallback callback, void* data); |
88 | 87 |
89 static void SetCurrentThreadState(InterruptableThreadState* state); | 88 static void SetCurrentThreadState(InterruptableThreadState* state); |
90 | 89 |
91 static void ThreadMain(uword parameters); | 90 static void ThreadMain(uword parameters); |
92 | 91 |
93 static void InstallSignalHandler(); | 92 static void InstallSignalHandler(); |
94 | 93 |
95 static void RemoveSignalHandler(); | 94 static void RemoveSignalHandler(); |
96 | 95 |
97 friend class ThreadInterrupterVisitIsolates; | 96 friend class ThreadInterrupterVisitIsolates; |
98 }; | 97 }; |
99 | 98 |
100 void ThreadInterruptNoOp(const InterruptedThreadState& state, void* data); | 99 void ThreadInterruptNoOp(const InterruptedThreadState& state, void* data); |
101 | 100 |
102 } // namespace dart | 101 } // namespace dart |
103 | 102 |
104 #endif // VM_THREAD_INTERRUPTER_H_ | 103 #endif // VM_THREAD_INTERRUPTER_H_ |
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