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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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| 149 | 149 |
| 150 | 150 |
| 151 void* OS::Allocate(const size_t requested, | 151 void* OS::Allocate(const size_t requested, |
| 152 size_t* allocated, | 152 size_t* allocated, |
| 153 bool executable) { | 153 bool executable) { |
| 154 const size_t msize = RoundUp(requested, getpagesize()); | 154 const size_t msize = RoundUp(requested, getpagesize()); |
| 155 int prot = PROT_READ | PROT_WRITE | (executable ? PROT_EXEC : 0); | 155 int prot = PROT_READ | PROT_WRITE | (executable ? PROT_EXEC : 0); |
| 156 void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANON, -1, 0); | 156 void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANON, -1, 0); |
| 157 | 157 |
| 158 if (mbase == MAP_FAILED) { | 158 if (mbase == MAP_FAILED) { |
| 159 LOG(StringEvent("OS::Allocate", "mmap failed")); | 159 LOG(ISOLATE, StringEvent("OS::Allocate", "mmap failed")); |
| 160 return NULL; | 160 return NULL; |
| 161 } | 161 } |
| 162 *allocated = msize; | 162 *allocated = msize; |
| 163 UpdateAllocatedSpaceLimits(mbase, msize); | 163 UpdateAllocatedSpaceLimits(mbase, msize); |
| 164 return mbase; | 164 return mbase; |
| 165 } | 165 } |
| 166 | 166 |
| 167 | 167 |
| 168 void OS::Free(void* buf, const size_t length) { | 168 void OS::Free(void* buf, const size_t length) { |
| 169 // TODO(1240712): munmap has a return value which is ignored here. | 169 // TODO(1240712): munmap has a return value which is ignored here. |
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| 782 if (data_->signal_sender_launched_) { | 782 if (data_->signal_sender_launched_) { |
| 783 Top::WakeUpRuntimeProfilerThreadBeforeShutdown(); | 783 Top::WakeUpRuntimeProfilerThreadBeforeShutdown(); |
| 784 pthread_join(data_->signal_sender_thread_, NULL); | 784 pthread_join(data_->signal_sender_thread_, NULL); |
| 785 data_->signal_sender_launched_ = false; | 785 data_->signal_sender_launched_ = false; |
| 786 } | 786 } |
| 787 } | 787 } |
| 788 | 788 |
| 789 #endif // ENABLE_LOGGING_AND_PROFILING | 789 #endif // ENABLE_LOGGING_AND_PROFILING |
| 790 | 790 |
| 791 } } // namespace v8::internal | 791 } } // namespace v8::internal |
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