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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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497 kMmapFd, | 497 kMmapFd, |
498 kMmapFdOffset) != MAP_FAILED; | 498 kMmapFdOffset) != MAP_FAILED; |
499 } | 499 } |
500 | 500 |
501 | 501 |
502 bool VirtualMemory::ReleaseRegion(void* base, size_t size) { | 502 bool VirtualMemory::ReleaseRegion(void* base, size_t size) { |
503 return munmap(base, size) == 0; | 503 return munmap(base, size) == 0; |
504 } | 504 } |
505 | 505 |
506 | 506 |
| 507 bool VirtualMemory::HasLazyCommits() { |
| 508 // TODO(alph): implement for the platform. |
| 509 return false; |
| 510 } |
| 511 |
| 512 |
507 class Thread::PlatformData : public Malloced { | 513 class Thread::PlatformData : public Malloced { |
508 public: | 514 public: |
509 PlatformData() : thread_(kNoThread) {} | 515 PlatformData() : thread_(kNoThread) {} |
510 | 516 |
511 pthread_t thread_; // Thread handle for pthread. | 517 pthread_t thread_; // Thread handle for pthread. |
512 }; | 518 }; |
513 | 519 |
514 Thread::Thread(const Options& options) | 520 Thread::Thread(const Options& options) |
515 : data_(new PlatformData()), | 521 : data_(new PlatformData()), |
516 stack_size_(options.stack_size()) { | 522 stack_size_(options.stack_size()) { |
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977 | 983 |
978 | 984 |
979 void Sampler::Stop() { | 985 void Sampler::Stop() { |
980 ASSERT(IsActive()); | 986 ASSERT(IsActive()); |
981 SignalSender::RemoveActiveSampler(this); | 987 SignalSender::RemoveActiveSampler(this); |
982 SetActive(false); | 988 SetActive(false); |
983 } | 989 } |
984 | 990 |
985 | 991 |
986 } } // namespace v8::internal | 992 } } // namespace v8::internal |
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