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Issue 23548024: Introduce a RandonNumberGenerator class. Refactor the random/private_random uses in Isolate/Context. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE 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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353 353
354 bool VirtualMemory::ReleaseRegion(void* address, size_t size) { 354 bool VirtualMemory::ReleaseRegion(void* address, size_t size) {
355 return munmap(address, size) == 0; 355 return munmap(address, size) == 0;
356 } 356 }
357 357
358 358
359 bool VirtualMemory::HasLazyCommits() { 359 bool VirtualMemory::HasLazyCommits() {
360 return false; 360 return false;
361 } 361 }
362 362
363
364 void OS::SetUp() {
365 // Seed the random number generator. We preserve microsecond resolution.
366 uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis()) ^ (getpid() << 16);
367 srandom(static_cast<unsigned int>(seed));
368 }
369
370
371 } } // namespace v8::internal 363 } } // namespace v8::internal
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