third_party/tcmalloc/vendor/src/maybe_threads.h

   1 // Copyright (c) 2005, Google Inc.
   2 // All rights reserved.
   3 //
   4 // Redistribution and use in source and binary forms, with or without
   5 // modification, are permitted provided that the following conditions are
   6 // met:
   7 //
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   9 // notice, this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above
  11 // copyright notice, this list of conditions and the following disclaimer
  12 // in the documentation and/or other materials provided with the
  13 // distribution.
  14 //     * Neither the name of Google Inc. nor the names of its
  15 // contributors may be used to endorse or promote products derived from
  16 // this software without specific prior written permission.
  17 //
  18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 // ---
  31 // Author: Paul Menage <opensource@google.com>
  32
  33 //-------------------------------------------------------------------
  34 // Some wrappers for pthread functions so that we can be LD_PRELOADed
  35 // against non-pthreads apps.
  36 //-------------------------------------------------------------------
  37
  38 #ifndef GOOGLE_MAYBE_THREADS_H_
  39 #define GOOGLE_MAYBE_THREADS_H_
  40
  41 #ifdef HAVE_PTHREAD
  42 #include <pthread.h>
  43 #endif
  44
  45 int perftools_pthread_key_create(pthread_key_t *key,
  46                                  void (*destr_function) (void *));
  47 void *perftools_pthread_getspecific(pthread_key_t key);
  48 int perftools_pthread_setspecific(pthread_key_t key, void *val);
  49 int perftools_pthread_once(pthread_once_t *ctl,
  50                            void  (*init_routine) (void));
  51
  52 #endif  /* GOOGLE_MAYBE_THREADS_H_ */