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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(TARGET_OS_LINUX) | 6 #if defined(TARGET_OS_LINUX) |
| 7 | 7 |
| 8 #include <errno.h> // NOLINT | 8 #include <errno.h> // NOLINT |
| 9 | 9 |
| 10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
| 11 #include "vm/os.h" | 11 #include "vm/os.h" |
| 12 #include "vm/profiler.h" | 12 #include "vm/profiler.h" |
| 13 #include "vm/signal_handler.h" | 13 #include "vm/signal_handler.h" |
| 14 #include "vm/thread_interrupter.h" | 14 #include "vm/thread_interrupter.h" |
| 15 | 15 |
| 16 namespace dart { | 16 namespace dart { |
| 17 | 17 |
| 18 DECLARE_FLAG(bool, thread_interrupter); | 18 DECLARE_FLAG(bool, thread_interrupter); |
| 19 DECLARE_FLAG(bool, trace_thread_interrupter); | 19 DECLARE_FLAG(bool, trace_thread_interrupter); |
| 20 | 20 |
| 21 class ThreadInterrupterLinux : public AllStatic { | 21 class ThreadInterrupterLinux : public AllStatic { |
| 22 public: | 22 public: |
| 23 static void ThreadInterruptSignalHandler(int signal, siginfo_t* info, | 23 static void ThreadInterruptSignalHandler(int signal, |
| 24 siginfo_t* info, |
| 24 void* context_) { | 25 void* context_) { |
| 25 if (signal != SIGPROF) { | 26 if (signal != SIGPROF) { |
| 26 return; | 27 return; |
| 27 } | 28 } |
| 28 Thread* thread = Thread::Current(); | 29 Thread* thread = Thread::Current(); |
| 29 if (thread == NULL) { | 30 if (thread == NULL) { |
| 30 return; | 31 return; |
| 31 } | 32 } |
| 32 // Extract thread state. | 33 // Extract thread state. |
| 33 ucontext_t* context = reinterpret_cast<ucontext_t*>(context_); | 34 ucontext_t* context = reinterpret_cast<ucontext_t*>(context_); |
| (...skipping 26 matching lines...) Expand all Loading... |
| 60 | 61 |
| 61 | 62 |
| 62 void ThreadInterrupter::RemoveSignalHandler() { | 63 void ThreadInterrupter::RemoveSignalHandler() { |
| 63 SignalHandler::Remove(); | 64 SignalHandler::Remove(); |
| 64 } | 65 } |
| 65 | 66 |
| 66 | 67 |
| 67 } // namespace dart | 68 } // namespace dart |
| 68 | 69 |
| 69 #endif // defined(TARGET_OS_LINUX) | 70 #endif // defined(TARGET_OS_LINUX) |
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