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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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162 | 162 |
163 | 163 |
164 void* OS::Allocate(const size_t requested, | 164 void* OS::Allocate(const size_t requested, |
165 size_t* allocated, | 165 size_t* allocated, |
166 bool is_executable) { | 166 bool is_executable) { |
167 const size_t msize = RoundUp(requested, getpagesize()); | 167 const size_t msize = RoundUp(requested, getpagesize()); |
168 int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0); | 168 int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0); |
169 void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANON, -1, 0); | 169 void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANON, -1, 0); |
170 | 170 |
171 if (mbase == MAP_FAILED) { | 171 if (mbase == MAP_FAILED) { |
172 LOG(StringEvent("OS::Allocate", "mmap failed")); | 172 LOG(ISOLATE, StringEvent("OS::Allocate", "mmap failed")); |
173 return NULL; | 173 return NULL; |
174 } | 174 } |
175 *allocated = msize; | 175 *allocated = msize; |
176 UpdateAllocatedSpaceLimits(mbase, msize); | 176 UpdateAllocatedSpaceLimits(mbase, msize); |
177 return mbase; | 177 return mbase; |
178 } | 178 } |
179 | 179 |
180 | 180 |
181 void OS::Free(void* address, const size_t size) { | 181 void OS::Free(void* address, const size_t size) { |
182 // TODO(1240712): munmap has a return value which is ignored here. | 182 // TODO(1240712): munmap has a return value which is ignored here. |
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408 bool ThreadHandle::IsSelf() const { | 408 bool ThreadHandle::IsSelf() const { |
409 return pthread_equal(data_->thread_, pthread_self()); | 409 return pthread_equal(data_->thread_, pthread_self()); |
410 } | 410 } |
411 | 411 |
412 | 412 |
413 bool ThreadHandle::IsValid() const { | 413 bool ThreadHandle::IsValid() const { |
414 return data_->thread_ != kNoThread; | 414 return data_->thread_ != kNoThread; |
415 } | 415 } |
416 | 416 |
417 | 417 |
418 Thread::Thread() : ThreadHandle(ThreadHandle::INVALID) { | 418 Thread::Thread(Isolate* isolate) |
| 419 : ThreadHandle(ThreadHandle::INVALID), |
| 420 isolate_(isolate) { |
419 set_name("v8:<unknown>"); | 421 set_name("v8:<unknown>"); |
420 } | 422 } |
421 | 423 |
422 | 424 |
423 Thread::Thread(const char* name) : ThreadHandle(ThreadHandle::INVALID) { | 425 Thread::Thread(Isolate* isolate, const char* name) |
| 426 : ThreadHandle(ThreadHandle::INVALID), |
| 427 isolate_(isolate) { |
424 set_name(name); | 428 set_name(name); |
425 } | 429 } |
426 | 430 |
427 | 431 |
428 Thread::~Thread() { | 432 Thread::~Thread() { |
429 } | 433 } |
430 | 434 |
431 | 435 |
432 static void* ThreadEntry(void* arg) { | 436 static void* ThreadEntry(void* arg) { |
433 Thread* thread = reinterpret_cast<Thread*>(arg); | 437 Thread* thread = reinterpret_cast<Thread*>(arg); |
434 // This is also initialized by the first argument to pthread_create() but we | 438 // This is also initialized by the first argument to pthread_create() but we |
435 // don't know which thread will run first (the original thread or the new | 439 // don't know which thread will run first (the original thread or the new |
436 // one) so we initialize it here too. | 440 // one) so we initialize it here too. |
437 thread->thread_handle_data()->thread_ = pthread_self(); | 441 thread->thread_handle_data()->thread_ = pthread_self(); |
438 ASSERT(thread->IsValid()); | 442 ASSERT(thread->IsValid()); |
| 443 Thread::SetThreadLocal(Isolate::isolate_key(), thread->isolate()); |
439 thread->Run(); | 444 thread->Run(); |
440 return NULL; | 445 return NULL; |
441 } | 446 } |
442 | 447 |
443 | 448 |
444 void Thread::set_name(const char* name) { | 449 void Thread::set_name(const char* name) { |
445 strncpy(name_, name, sizeof(name_)); | 450 strncpy(name_, name, sizeof(name_)); |
446 name_[sizeof(name_) - 1] = '\0'; | 451 name_[sizeof(name_) - 1] = '\0'; |
447 } | 452 } |
448 | 453 |
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705 | 710 |
706 | 711 |
707 static void* SenderEntry(void* arg) { | 712 static void* SenderEntry(void* arg) { |
708 Sampler::PlatformData* data = | 713 Sampler::PlatformData* data = |
709 reinterpret_cast<Sampler::PlatformData*>(arg); | 714 reinterpret_cast<Sampler::PlatformData*>(arg); |
710 data->SignalSender(); | 715 data->SignalSender(); |
711 return 0; | 716 return 0; |
712 } | 717 } |
713 | 718 |
714 | 719 |
715 Sampler::Sampler(int interval) | 720 Sampler::Sampler(Isolate* isolate, int interval) |
716 : interval_(interval), | 721 : isolate_(isolate), |
| 722 interval_(interval), |
717 profiling_(false), | 723 profiling_(false), |
718 active_(false), | 724 active_(false), |
719 samples_taken_(0) { | 725 samples_taken_(0) { |
720 data_ = new PlatformData(this); | 726 data_ = new PlatformData(this); |
721 } | 727 } |
722 | 728 |
723 | 729 |
724 Sampler::~Sampler() { | 730 Sampler::~Sampler() { |
725 ASSERT(!data_->signal_sender_launched_); | 731 ASSERT(!data_->signal_sender_launched_); |
726 delete data_; | 732 delete data_; |
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772 data_->signal_handler_installed_ = false; | 778 data_->signal_handler_installed_ = false; |
773 } | 779 } |
774 | 780 |
775 // This sampler is no longer the active sampler. | 781 // This sampler is no longer the active sampler. |
776 active_sampler_ = NULL; | 782 active_sampler_ = NULL; |
777 } | 783 } |
778 | 784 |
779 #endif // ENABLE_LOGGING_AND_PROFILING | 785 #endif // ENABLE_LOGGING_AND_PROFILING |
780 | 786 |
781 } } // namespace v8::internal | 787 } } // namespace v8::internal |
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