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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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184 ASSERT(result == 0); | 184 ASSERT(result == 0); |
185 } | 185 } |
186 | 186 |
187 | 187 |
188 void OS::Sleep(int milliseconds) { | 188 void OS::Sleep(int milliseconds) { |
189 useconds_t ms = static_cast<useconds_t>(milliseconds); | 189 useconds_t ms = static_cast<useconds_t>(milliseconds); |
190 usleep(1000 * ms); | 190 usleep(1000 * ms); |
191 } | 191 } |
192 | 192 |
193 | 193 |
| 194 int OS::NumberOfCores() { |
| 195 return sysconf(_SC_NPROCESSORS_ONLN); |
| 196 } |
| 197 |
| 198 |
194 void OS::Abort() { | 199 void OS::Abort() { |
195 // Redirect to std abort to signal abnormal program termination. | 200 // Redirect to std abort to signal abnormal program termination. |
196 abort(); | 201 abort(); |
197 } | 202 } |
198 | 203 |
199 | 204 |
200 void OS::DebugBreak() { | 205 void OS::DebugBreak() { |
201 asm("int $3"); | 206 asm("int $3"); |
202 } | 207 } |
203 | 208 |
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861 } | 866 } |
862 | 867 |
863 | 868 |
864 void Sampler::Stop() { | 869 void Sampler::Stop() { |
865 ASSERT(IsActive()); | 870 ASSERT(IsActive()); |
866 SignalSender::RemoveActiveSampler(this); | 871 SignalSender::RemoveActiveSampler(this); |
867 SetActive(false); | 872 SetActive(false); |
868 } | 873 } |
869 | 874 |
870 } } // namespace v8::internal | 875 } } // namespace v8::internal |
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