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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 #include "platform/globals.h" | 5 #include "platform/globals.h" |
6 #if defined(HOST_OS_WINDOWS) | 6 #if defined(HOST_OS_WINDOWS) |
7 | 7 |
8 #include "vm/flags.h" | 8 #include "vm/flags.h" |
9 #include "vm/os.h" | 9 #include "vm/os.h" |
10 #include "vm/profiler.h" | 10 #include "vm/profiler.h" |
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46 state->csp = static_cast<uintptr_t>(context.Rsp); | 46 state->csp = static_cast<uintptr_t>(context.Rsp); |
47 state->dsp = static_cast<uintptr_t>(context.Rsp); | 47 state->dsp = static_cast<uintptr_t>(context.Rsp); |
48 #else | 48 #else |
49 #error Unsupported architecture. | 49 #error Unsupported architecture. |
50 #endif | 50 #endif |
51 return true; | 51 return true; |
52 } | 52 } |
53 return false; | 53 return false; |
54 } | 54 } |
55 | 55 |
56 | |
57 static void Interrupt(OSThread* os_thread) { | 56 static void Interrupt(OSThread* os_thread) { |
58 ASSERT(!OSThread::Compare(GetCurrentThreadId(), os_thread->id())); | 57 ASSERT(!OSThread::Compare(GetCurrentThreadId(), os_thread->id())); |
59 HANDLE handle = OpenThread( | 58 HANDLE handle = OpenThread( |
60 THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION | THREAD_SUSPEND_RESUME, | 59 THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION | THREAD_SUSPEND_RESUME, |
61 false, os_thread->id()); | 60 false, os_thread->id()); |
62 ASSERT(handle != NULL); | 61 ASSERT(handle != NULL); |
63 DWORD result = SuspendThread(handle); | 62 DWORD result = SuspendThread(handle); |
64 if (result == kThreadError) { | 63 if (result == kThreadError) { |
65 if (FLAG_trace_thread_interrupter) { | 64 if (FLAG_trace_thread_interrupter) { |
66 OS::PrintErr("ThreadInterrupter failed to suspend thread %p\n", | 65 OS::PrintErr("ThreadInterrupter failed to suspend thread %p\n", |
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85 // here as the thread which is being queried is suspended. | 84 // here as the thread which is being queried is suspended. |
86 Thread* thread = os_thread->thread(); | 85 Thread* thread = os_thread->thread(); |
87 if (thread != NULL) { | 86 if (thread != NULL) { |
88 Profiler::SampleThread(thread, its); | 87 Profiler::SampleThread(thread, its); |
89 } | 88 } |
90 ResumeThread(handle); | 89 ResumeThread(handle); |
91 CloseHandle(handle); | 90 CloseHandle(handle); |
92 } | 91 } |
93 }; | 92 }; |
94 | 93 |
95 | |
96 bool ThreadInterrupter::IsDebuggerAttached() { | 94 bool ThreadInterrupter::IsDebuggerAttached() { |
97 return false; | 95 return false; |
98 } | 96 } |
99 | 97 |
100 | |
101 void ThreadInterrupter::InterruptThread(OSThread* thread) { | 98 void ThreadInterrupter::InterruptThread(OSThread* thread) { |
102 if (FLAG_trace_thread_interrupter) { | 99 if (FLAG_trace_thread_interrupter) { |
103 OS::PrintErr("ThreadInterrupter suspending %p\n", | 100 OS::PrintErr("ThreadInterrupter suspending %p\n", |
104 reinterpret_cast<void*>(thread->id())); | 101 reinterpret_cast<void*>(thread->id())); |
105 } | 102 } |
106 ThreadInterrupterWin::Interrupt(thread); | 103 ThreadInterrupterWin::Interrupt(thread); |
107 if (FLAG_trace_thread_interrupter) { | 104 if (FLAG_trace_thread_interrupter) { |
108 OS::PrintErr("ThreadInterrupter resuming %p\n", | 105 OS::PrintErr("ThreadInterrupter resuming %p\n", |
109 reinterpret_cast<void*>(thread->id())); | 106 reinterpret_cast<void*>(thread->id())); |
110 } | 107 } |
111 } | 108 } |
112 | 109 |
113 | |
114 void ThreadInterrupter::InstallSignalHandler() { | 110 void ThreadInterrupter::InstallSignalHandler() { |
115 // Nothing to do on Windows. | 111 // Nothing to do on Windows. |
116 } | 112 } |
117 | 113 |
118 | |
119 void ThreadInterrupter::RemoveSignalHandler() { | 114 void ThreadInterrupter::RemoveSignalHandler() { |
120 // Nothing to do on Windows. | 115 // Nothing to do on Windows. |
121 } | 116 } |
122 | 117 |
123 #endif // !PRODUCT | 118 #endif // !PRODUCT |
124 | 119 |
125 } // namespace dart | 120 } // namespace dart |
126 | 121 |
127 #endif // defined(HOST_OS_WINDOWS) | 122 #endif // defined(HOST_OS_WINDOWS) |
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