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Issue 23490015: Reland^2 "Add Chromium-style TimeDelta, Time and TimeTicks classes, and a new ElapsedTimer class." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Some windows cleanup Created 7 years, 3 months ago
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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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434 } 434 }
435 435
436 436
437 Semaphore* OS::CreateSemaphore(int count) { 437 Semaphore* OS::CreateSemaphore(int count) {
438 return new MacOSSemaphore(count); 438 return new MacOSSemaphore(count);
439 } 439 }
440 440
441 441
442 void OS::SetUp() { 442 void OS::SetUp() {
443 // Seed the random number generator. We preserve microsecond resolution. 443 // Seed the random number generator. We preserve microsecond resolution.
444 uint64_t seed = Ticks() ^ (getpid() << 16); 444 uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis()) ^ (getpid() << 16);
445 srandom(static_cast<unsigned int>(seed)); 445 srandom(static_cast<unsigned int>(seed));
446 limit_mutex = CreateMutex(); 446 limit_mutex = CreateMutex();
447 } 447 }
448 448
449 449
450 void OS::TearDown() { 450 void OS::TearDown() {
451 delete limit_mutex; 451 delete limit_mutex;
452 } 452 }
453 453
454 454
455 } } // namespace v8::internal 455 } } // namespace v8::internal
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