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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 418 bool ThreadHandle::IsSelf() const { | 418 bool ThreadHandle::IsSelf() const { |
| 419 return pthread_equal(data_->thread_, pthread_self()); | 419 return pthread_equal(data_->thread_, pthread_self()); |
| 420 } | 420 } |
| 421 | 421 |
| 422 | 422 |
| 423 bool ThreadHandle::IsValid() const { | 423 bool ThreadHandle::IsValid() const { |
| 424 return data_->thread_ != kNoThread; | 424 return data_->thread_ != kNoThread; |
| 425 } | 425 } |
| 426 | 426 |
| 427 | 427 |
| 428 Thread::Thread(Isolate* isolate) | 428 Thread::Thread(Isolate* isolate, const Options& options) |
| 429 : ThreadHandle(ThreadHandle::INVALID), | 429 : ThreadHandle(ThreadHandle::INVALID), |
| 430 isolate_(isolate) { | 430 isolate_(isolate), |
| 431 set_name("v8:<unknown>"); | 431 stack_size_(options.stack_size) { |
| 432 set_name(options.name); |
| 432 } | 433 } |
| 433 | 434 |
| 435 |
| 434 Thread::Thread(Isolate* isolate, const char* name) | 436 Thread::Thread(Isolate* isolate, const char* name) |
| 435 : ThreadHandle(ThreadHandle::INVALID), | 437 : ThreadHandle(ThreadHandle::INVALID), |
| 436 isolate_(isolate) { | 438 isolate_(isolate), |
| 439 stack_size_(0) { |
| 437 set_name(name); | 440 set_name(name); |
| 438 } | 441 } |
| 439 | 442 |
| 440 | 443 |
| 441 Thread::~Thread() { | 444 Thread::~Thread() { |
| 442 } | 445 } |
| 443 | 446 |
| 444 | 447 |
| 445 static void* ThreadEntry(void* arg) { | 448 static void* ThreadEntry(void* arg) { |
| 446 Thread* thread = reinterpret_cast<Thread*>(arg); | 449 Thread* thread = reinterpret_cast<Thread*>(arg); |
| 447 // This is also initialized by the first argument to pthread_create() but we | 450 // This is also initialized by the first argument to pthread_create() but we |
| 448 // don't know which thread will run first (the original thread or the new | 451 // don't know which thread will run first (the original thread or the new |
| 449 // one) so we initialize it here too. | 452 // one) so we initialize it here too. |
| 450 thread->thread_handle_data()->thread_ = pthread_self(); | 453 thread->thread_handle_data()->thread_ = pthread_self(); |
| 451 ASSERT(thread->IsValid()); | 454 ASSERT(thread->IsValid()); |
| 452 Thread::SetThreadLocal(Isolate::isolate_key(), thread->isolate()); | 455 Thread::SetThreadLocal(Isolate::isolate_key(), thread->isolate()); |
| 453 thread->Run(); | 456 thread->Run(); |
| 454 return NULL; | 457 return NULL; |
| 455 } | 458 } |
| 456 | 459 |
| 457 | 460 |
| 458 void Thread::set_name(const char* name) { | 461 void Thread::set_name(const char* name) { |
| 459 strncpy(name_, name, sizeof(name_)); | 462 strncpy(name_, name, sizeof(name_)); |
| 460 name_[sizeof(name_) - 1] = '\0'; | 463 name_[sizeof(name_) - 1] = '\0'; |
| 461 } | 464 } |
| 462 | 465 |
| 463 | 466 |
| 464 void Thread::Start() { | 467 void Thread::Start() { |
| 465 pthread_create(&thread_handle_data()->thread_, NULL, ThreadEntry, this); | 468 pthread_attr_t* attr_ptr = NULL; |
| 469 pthread_attr_t attr; |
| 470 if (stack_size_ > 0) { |
| 471 pthread_attr_init(&attr); |
| 472 pthread_attr_setstacksize(&attr, static_cast<size_t>(stack_size_)); |
| 473 attr_ptr = &attr; |
| 474 } |
| 475 pthread_create(&thread_handle_data()->thread_, attr_ptr, ThreadEntry, this); |
| 466 ASSERT(IsValid()); | 476 ASSERT(IsValid()); |
| 467 } | 477 } |
| 468 | 478 |
| 469 | 479 |
| 470 void Thread::Join() { | 480 void Thread::Join() { |
| 471 pthread_join(thread_handle_data()->thread_, NULL); | 481 pthread_join(thread_handle_data()->thread_, NULL); |
| 472 } | 482 } |
| 473 | 483 |
| 474 | 484 |
| 475 Thread::LocalStorageKey Thread::CreateThreadLocalKey() { | 485 Thread::LocalStorageKey Thread::CreateThreadLocalKey() { |
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| 782 if (data_->signal_sender_launched_) { | 792 if (data_->signal_sender_launched_) { |
| 783 Top::WakeUpRuntimeProfilerThreadBeforeShutdown(); | 793 Top::WakeUpRuntimeProfilerThreadBeforeShutdown(); |
| 784 pthread_join(data_->signal_sender_thread_, NULL); | 794 pthread_join(data_->signal_sender_thread_, NULL); |
| 785 data_->signal_sender_launched_ = false; | 795 data_->signal_sender_launched_ = false; |
| 786 } | 796 } |
| 787 } | 797 } |
| 788 | 798 |
| 789 #endif // ENABLE_LOGGING_AND_PROFILING | 799 #endif // ENABLE_LOGGING_AND_PROFILING |
| 790 | 800 |
| 791 } } // namespace v8::internal | 801 } } // namespace v8::internal |
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