Merged third_party/tcmalloc/vendor/src(google-perftools r87) into...

third_party/tcmalloc/chromium/src/google/malloc_hook.h

 // Copyright (c) 2005, 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 173 matching lines @@
 
   // Get the current stack trace.  Try to skip all routines up to and
   // and including the caller of MallocHook::Invoke*.
   // Use "skip_count" (similarly to GetStackTrace from stacktrace.h)
   // as a hint about how many routines to skip if better information
   // is not available.
   inline static int GetCallerStackTrace(void** result, int max_depth,
                                         int skip_count) {
     return MallocHook_GetCallerStackTrace(result, max_depth, skip_count);
   }
+
+  // Unhooked versions of mmap() and munmap().   These should be used
+  // only by experts, since they bypass heapchecking, etc.
+  static void* UnhookedMMap(void *start, size_t length, int prot, int flags,
+                            int fd, off_t offset);
+  static int UnhookedMUnmap(void *start, size_t length);
 };
 
 #endif /* _MALLOC_HOOK_H_ */