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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 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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72 return -0.0; 72 return -0.0;
73 } else { 73 } else {
74 return ceil(x); 74 return ceil(x);
75 } 75 }
76 } 76 }
77 77
78 78
79 static Mutex* limit_mutex = NULL; 79 static Mutex* limit_mutex = NULL;
80 80
81 81
82 void OS::Setup() { 82 void OS::SetUp() {
83 // Seed the random number generator. 83 // Seed the random number generator.
84 // Convert the current time to a 64-bit integer first, before converting it 84 // Convert the current time to a 64-bit integer first, before converting it
85 // to an unsigned. Going directly can cause an overflow and the seed to be 85 // to an unsigned. Going directly can cause an overflow and the seed to be
86 // set to all ones. The seed will be identical for different instances that 86 // set to all ones. The seed will be identical for different instances that
87 // call this setup code within the same millisecond. 87 // call this setup code within the same millisecond.
88 uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis()); 88 uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis());
89 srandom(static_cast<unsigned int>(seed)); 89 srandom(static_cast<unsigned int>(seed));
90 limit_mutex = CreateMutex(); 90 limit_mutex = CreateMutex();
91 } 91 }
92 92
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873 873
874 874
875 void Sampler::Stop() { 875 void Sampler::Stop() {
876 ASSERT(IsActive()); 876 ASSERT(IsActive());
877 SignalSender::RemoveActiveSampler(this); 877 SignalSender::RemoveActiveSampler(this);
878 SetActive(false); 878 SetActive(false);
879 } 879 }
880 880
881 881
882 } } // namespace v8::internal 882 } } // namespace v8::internal
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