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1 // Copyright 2006-2011 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2011 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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136 } | 136 } |
137 | 137 |
138 | 138 |
139 void* OS::Allocate(const size_t requested, | 139 void* OS::Allocate(const size_t requested, |
140 size_t* allocated, | 140 size_t* allocated, |
141 bool is_executable) { | 141 bool is_executable) { |
142 const size_t msize = RoundUp(requested, sysconf(_SC_PAGESIZE)); | 142 const size_t msize = RoundUp(requested, sysconf(_SC_PAGESIZE)); |
143 int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0); | 143 int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0); |
144 void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); | 144 void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
145 if (mbase == MAP_FAILED) { | 145 if (mbase == MAP_FAILED) { |
146 LOG(StringEvent("OS::Allocate", "mmap failed")); | 146 LOG(ISOLATE, StringEvent("OS::Allocate", "mmap failed")); |
147 return NULL; | 147 return NULL; |
148 } | 148 } |
149 *allocated = msize; | 149 *allocated = msize; |
150 UpdateAllocatedSpaceLimits(mbase, msize); | 150 UpdateAllocatedSpaceLimits(mbase, msize); |
151 return mbase; | 151 return mbase; |
152 } | 152 } |
153 | 153 |
154 | 154 |
155 void OS::Free(void* address, const size_t size) { | 155 void OS::Free(void* address, const size_t size) { |
156 // TODO(1240712): munmap has a return value which is ignored here. | 156 // TODO(1240712): munmap has a return value which is ignored here. |
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736 // Release the thread handles | 736 // Release the thread handles |
737 CloseHandle(data_->sampler_thread_); | 737 CloseHandle(data_->sampler_thread_); |
738 CloseHandle(data_->profiled_thread_); | 738 CloseHandle(data_->profiled_thread_); |
739 } | 739 } |
740 | 740 |
741 | 741 |
742 #endif // ENABLE_LOGGING_AND_PROFILING | 742 #endif // ENABLE_LOGGING_AND_PROFILING |
743 | 743 |
744 } } // namespace v8::internal | 744 } } // namespace v8::internal |
745 | 745 |
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