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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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7367 bool terminate_already_fired = false; | 7367 bool terminate_already_fired = false; |
7368 | 7368 |
7369 | 7369 |
7370 static void DebugBreakTriggerTerminate( | 7370 static void DebugBreakTriggerTerminate( |
7371 const v8::Debug::EventDetails& event_details) { | 7371 const v8::Debug::EventDetails& event_details) { |
7372 if (event_details.GetEvent() != v8::Break || terminate_already_fired) return; | 7372 if (event_details.GetEvent() != v8::Break || terminate_already_fired) return; |
7373 terminate_requested_semaphore.Signal(); | 7373 terminate_requested_semaphore.Signal(); |
7374 // Wait for at most 2 seconds for the terminate request. | 7374 // Wait for at most 2 seconds for the terminate request. |
7375 CHECK(terminate_fired_semaphore.WaitFor(v8::base::TimeDelta::FromSeconds(2))); | 7375 CHECK(terminate_fired_semaphore.WaitFor(v8::base::TimeDelta::FromSeconds(2))); |
7376 terminate_already_fired = true; | 7376 terminate_already_fired = true; |
7377 v8::internal::Isolate* isolate = | |
7378 v8::Utils::OpenHandle(*event_details.GetEventContext())->GetIsolate(); | |
7379 CHECK(isolate->stack_guard()->CheckTerminateExecution()); | |
7380 } | 7377 } |
7381 | 7378 |
7382 | 7379 |
7383 class TerminationThread : public v8::base::Thread { | 7380 class TerminationThread : public v8::base::Thread { |
7384 public: | 7381 public: |
7385 explicit TerminationThread(v8::Isolate* isolate) : Thread("terminator"), | 7382 explicit TerminationThread(v8::Isolate* isolate) : Thread("terminator"), |
7386 isolate_(isolate) { } | 7383 isolate_(isolate) { } |
7387 | 7384 |
7388 virtual void Run() { | 7385 virtual void Run() { |
7389 terminate_requested_semaphore.Wait(); | 7386 terminate_requested_semaphore.Wait(); |
7390 v8::V8::TerminateExecution(isolate_); | 7387 v8::V8::TerminateExecution(isolate_); |
7391 terminate_fired_semaphore.Signal(); | 7388 terminate_fired_semaphore.Signal(); |
7392 } | 7389 } |
7393 | 7390 |
7394 private: | 7391 private: |
7395 v8::Isolate* isolate_; | 7392 v8::Isolate* isolate_; |
7396 }; | 7393 }; |
7397 | 7394 |
7398 | 7395 |
7399 TEST(DebugBreakOffThreadTerminate) { | 7396 TEST(DebugBreakOffThreadTerminate) { |
7400 DebugLocalContext env; | 7397 DebugLocalContext env; |
7401 v8::Isolate* isolate = env->GetIsolate(); | 7398 v8::Isolate* isolate = env->GetIsolate(); |
7402 v8::HandleScope scope(isolate); | 7399 v8::HandleScope scope(isolate); |
7403 v8::Debug::SetDebugEventListener(DebugBreakTriggerTerminate); | 7400 v8::Debug::SetDebugEventListener(DebugBreakTriggerTerminate); |
7404 TerminationThread terminator(isolate); | 7401 TerminationThread terminator(isolate); |
7405 terminator.Start(); | 7402 terminator.Start(); |
| 7403 v8::TryCatch try_catch; |
7406 v8::Debug::DebugBreak(isolate); | 7404 v8::Debug::DebugBreak(isolate); |
7407 CompileRun("while (true);"); | 7405 CompileRun("while (true);"); |
| 7406 CHECK(try_catch.HasTerminated()); |
7408 } | 7407 } |
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