third_party/gperftools/src/maybe_threads.h

// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
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// ---
// Author: Paul Menage <opensource@google.com>

//-------------------------------------------------------------------
// Some wrappers for pthread functions so that we can be LD_PRELOADed
// against non-pthreads apps.
//-------------------------------------------------------------------

#ifndef GOOGLE_MAYBE_THREADS_H_
#define GOOGLE_MAYBE_THREADS_H_

#ifdef HAVE_PTHREAD
#include <pthread.h>
#endif

int perftools_pthread_key_create(pthread_key_t *key,
                                 void (*destr_function) (void *));
int perftools_pthread_key_delete(pthread_key_t key);
void *perftools_pthread_getspecific(pthread_key_t key);
int perftools_pthread_setspecific(pthread_key_t key, void *val);
int perftools_pthread_once(pthread_once_t *ctl,
                           void  (*init_routine) (void));

// Our wrapper for pthread_atfork. Does _nothing_ when there are no
// threads. See static_vars.cc:SetupAtForkLocksHandler for only user
// of this.
void perftools_pthread_atfork(void (*before)(),
                              void (*parent_after)(),
                              void (*child_after)());

#endif  /* GOOGLE_MAYBE_THREADS_H_ */