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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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197 ASSERT(result == 0); | 197 ASSERT(result == 0); |
198 } | 198 } |
199 | 199 |
200 | 200 |
201 void OS::Sleep(int milliseconds) { | 201 void OS::Sleep(int milliseconds) { |
202 unsigned int ms = static_cast<unsigned int>(milliseconds); | 202 unsigned int ms = static_cast<unsigned int>(milliseconds); |
203 usleep(1000 * ms); | 203 usleep(1000 * ms); |
204 } | 204 } |
205 | 205 |
206 | 206 |
| 207 int OS::NumberOfCores() { |
| 208 return sysconf(_SC_NPROCESSORS_ONLN); |
| 209 } |
| 210 |
| 211 |
207 void OS::Abort() { | 212 void OS::Abort() { |
208 // Redirect to std abort to signal abnormal program termination. | 213 // Redirect to std abort to signal abnormal program termination. |
209 abort(); | 214 abort(); |
210 } | 215 } |
211 | 216 |
212 | 217 |
213 void OS::DebugBreak() { | 218 void OS::DebugBreak() { |
214 asm("int $3"); | 219 asm("int $3"); |
215 } | 220 } |
216 | 221 |
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944 | 949 |
945 | 950 |
946 void Sampler::Stop() { | 951 void Sampler::Stop() { |
947 ASSERT(IsActive()); | 952 ASSERT(IsActive()); |
948 SignalSender::RemoveActiveSampler(this); | 953 SignalSender::RemoveActiveSampler(this); |
949 SetActive(false); | 954 SetActive(false); |
950 } | 955 } |
951 | 956 |
952 | 957 |
953 } } // namespace v8::internal | 958 } } // namespace v8::internal |
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