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Issue 1047002: Implement circular queues for the C++ version of CPU profiler. (Closed)
Patch Set: Comments addressed Created 10 years, 9 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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107 #include <limits> 107 #include <limits>
108 #undef V8_INFINITY 108 #undef V8_INFINITY
109 #define V8_INFINITY std::numeric_limits<double>::infinity() 109 #define V8_INFINITY std::numeric_limits<double>::infinity()
110 #endif 110 #endif
111 111
112 #endif // __GNUC__ 112 #endif // __GNUC__
113 113
114 namespace v8 { 114 namespace v8 {
115 namespace internal { 115 namespace internal {
116 116
117 // Use AtomicWord for a machine-sized pointer. It is assumed that
118 // reads and writes of naturally aligned values of this type are atomic.
119 typedef intptr_t AtomicWord;
120
117 class Semaphore; 121 class Semaphore;
118 122
119 double ceiling(double x); 123 double ceiling(double x);
120 double modulo(double x, double y); 124 double modulo(double x, double y);
121 125
122 // Forward declarations. 126 // Forward declarations.
123 class Socket; 127 class Socket;
124 128
125 // ---------------------------------------------------------------------------- 129 // ----------------------------------------------------------------------------
126 // OS 130 // OS
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560 bool active_; 564 bool active_;
561 PlatformData* data_; // Platform specific data. 565 PlatformData* data_; // Platform specific data.
562 DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler); 566 DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
563 }; 567 };
564 568
565 #endif // ENABLE_LOGGING_AND_PROFILING 569 #endif // ENABLE_LOGGING_AND_PROFILING
566 570
567 } } // namespace v8::internal 571 } } // namespace v8::internal
568 572
569 #endif // V8_PLATFORM_H_ 573 #endif // V8_PLATFORM_H_
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