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1 // Copyright (c) 2006, Google Inc. | 1 // Copyright (c) 2006, Google Inc. |
2 // All rights reserved. | 2 // All rights reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // * Redistributions of source code must retain the above copyright | 8 // * Redistributions of source code must retain the above copyright |
9 // notice, this list of conditions and the following disclaimer. | 9 // notice, this list of conditions and the following disclaimer. |
10 // * Redistributions in binary form must reproduce the above | 10 // * Redistributions in binary form must reproduce the above |
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64 extern const char* GetenvBeforeMain(const char* name); | 64 extern const char* GetenvBeforeMain(const char* name); |
65 | 65 |
66 // This takes as an argument an environment-variable name (like | 66 // This takes as an argument an environment-variable name (like |
67 // CPUPROFILE) whose value is supposed to be a file-path, and sets | 67 // CPUPROFILE) whose value is supposed to be a file-path, and sets |
68 // path to that path, and returns true. Non-trivial for surprising | 68 // path to that path, and returns true. Non-trivial for surprising |
69 // reasons, as documented in sysinfo.cc. path must have space PATH_MAX. | 69 // reasons, as documented in sysinfo.cc. path must have space PATH_MAX. |
70 extern bool GetUniquePathFromEnv(const char* env_name, char* path); | 70 extern bool GetUniquePathFromEnv(const char* env_name, char* path); |
71 | 71 |
72 extern int NumCPUs(); | 72 extern int NumCPUs(); |
73 | 73 |
| 74 void SleepForMilliseconds(int milliseconds); |
| 75 |
74 // processor cycles per second of each processor. Thread-safe. | 76 // processor cycles per second of each processor. Thread-safe. |
75 extern double CyclesPerSecond(void); | 77 extern double CyclesPerSecond(void); |
76 | 78 |
77 | 79 |
78 // Return true if we're running POSIX (e.g., NPTL on Linux) threads, | 80 // Return true if we're running POSIX (e.g., NPTL on Linux) threads, |
79 // as opposed to a non-POSIX thread libary. The thing that we care | 81 // as opposed to a non-POSIX thread libary. The thing that we care |
80 // about is whether a thread's pid is the same as the thread that | 82 // about is whether a thread's pid is the same as the thread that |
81 // spawned it. If so, this function returns true. | 83 // spawned it. If so, this function returns true. |
82 // Thread-safe. | 84 // Thread-safe. |
83 // Note: We consider false negatives to be OK. | 85 // Note: We consider false negatives to be OK. |
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219 char flags_[10]; | 221 char flags_[10]; |
220 Buffer* dynamic_buffer_; // dynamically-allocated Buffer | 222 Buffer* dynamic_buffer_; // dynamically-allocated Buffer |
221 bool using_maps_backing_; // true if we are looking at maps_backing instead of
maps. | 223 bool using_maps_backing_; // true if we are looking at maps_backing instead of
maps. |
222 }; | 224 }; |
223 | 225 |
224 #endif /* #ifndef SWIG */ | 226 #endif /* #ifndef SWIG */ |
225 | 227 |
226 // Helper routines | 228 // Helper routines |
227 | 229 |
228 namespace tcmalloc { | 230 namespace tcmalloc { |
229 int FillProcSelfMaps(char buf[], int size); | 231 int FillProcSelfMaps(char buf[], int size, bool* wrote_all); |
230 void DumpProcSelfMaps(RawFD fd); | 232 void DumpProcSelfMaps(RawFD fd); |
231 } | 233 } |
232 | 234 |
233 #endif /* #ifndef _SYSINFO_H_ */ | 235 #endif /* #ifndef _SYSINFO_H_ */ |
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