Merge google-perftools r109 (the current contents of third_party/tcmalloc/vendor)

third_party/tcmalloc/chromium/src/base/sysinfo.h

 // Copyright (c) 2006, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 // 
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 53 matching lines @@
 extern const char* GetenvBeforeMain(const char* name);
 
 // This takes as an argument an environment-variable name (like
 // CPUPROFILE) whose value is supposed to be a file-path, and sets
 // path to that path, and returns true.  Non-trivial for surprising
 // reasons, as documented in sysinfo.cc.  path must have space PATH_MAX.
 extern bool GetUniquePathFromEnv(const char* env_name, char* path);
 
 extern int NumCPUs();
 
+void SleepForMilliseconds(int milliseconds);
+
 // processor cycles per second of each processor.  Thread-safe.
 extern double CyclesPerSecond(void);
 
 
 //  Return true if we're running POSIX (e.g., NPTL on Linux) threads,
 //  as opposed to a non-POSIX thread libary.  The thing that we care
 //  about is whether a thread's pid is the same as the thread that
 //  spawned it.  If so, this function returns true.
 //  Thread-safe.
 //  Note: We consider false negatives to be OK.
@@ skipping 135 matching lines @@
   char flags_[10];
   Buffer* dynamic_buffer_;  // dynamically-allocated Buffer
   bool using_maps_backing_; // true if we are looking at maps_backing instead of maps.
 };
 
 #endif  /* #ifndef SWIG */
 
 // Helper routines
 
 namespace tcmalloc {
-int FillProcSelfMaps(char buf[], int size);
+int FillProcSelfMaps(char buf[], int size, bool* wrote_all);
 void DumpProcSelfMaps(RawFD fd);
 }
 
 #endif   /* #ifndef _SYSINFO_H_ */