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Issue 9227007: Version 3.8.6 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 8 years, 11 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 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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86 return -0.0; 86 return -0.0;
87 } else { 87 } else {
88 return ceil(x); 88 return ceil(x);
89 } 89 }
90 } 90 }
91 91
92 92
93 static Mutex* limit_mutex = NULL; 93 static Mutex* limit_mutex = NULL;
94 94
95 95
96 void OS::Setup() { 96 void OS::SetUp() {
97 // Seed the random number generator. We preserve microsecond resolution. 97 // Seed the random number generator. We preserve microsecond resolution.
98 uint64_t seed = Ticks() ^ (getpid() << 16); 98 uint64_t seed = Ticks() ^ (getpid() << 16);
99 srandom(static_cast<unsigned int>(seed)); 99 srandom(static_cast<unsigned int>(seed));
100 limit_mutex = CreateMutex(); 100 limit_mutex = CreateMutex();
101 } 101 }
102 102
103 103
104 // We keep the lowest and highest addresses mapped as a quick way of 104 // We keep the lowest and highest addresses mapped as a quick way of
105 // determining that pointers are outside the heap (used mostly in assertions 105 // determining that pointers are outside the heap (used mostly in assertions
106 // and verification). The estimate is conservative, ie, not all addresses in 106 // and verification). The estimate is conservative, ie, not all addresses in
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888 888
889 889
890 void Sampler::Stop() { 890 void Sampler::Stop() {
891 ASSERT(IsActive()); 891 ASSERT(IsActive());
892 SamplerThread::RemoveActiveSampler(this); 892 SamplerThread::RemoveActiveSampler(this);
893 SetActive(false); 893 SetActive(false);
894 } 894 }
895 895
896 896
897 } } // namespace v8::internal 897 } } // namespace v8::internal
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