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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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