1                 : /*
       2                 :  * Copyright (c) 2011 The Native Client Authors. All rights reserved.
       3                 :  * Use of this source code is governed by a BSD-style license that can be
       4                 :  * found in the LICENSE file.
       5                 :  */
       6                 : 
       7                 : 
       8                 : #include <pthread.h>
       9                 : #include "native_client/src/include/nacl_macros.h"
      10                 : #include "native_client/src/shared/platform/nacl_sync.h"
      11                 : 
      12            1288 : int NaClMutexCtor(struct NaClMutex *mp) {
      13            1288 :   if (0 != pthread_mutex_init(&mp->mu, (pthread_mutexattr_t *) 0)) {
      14               0 :     return 0;
      15                 :   }
      16            1288 :   return 1;
      17                 : }
      18                 : 
      19             870 : void NaClMutexDtor(struct NaClMutex *mp) {
      20             870 :   pthread_mutex_destroy(&mp->mu);
      21             870 : }
      22                 : 
      23          435749 : NaClSyncStatus NaClMutexLock(struct NaClMutex *mp) {
      24          435749 :   pthread_mutex_lock(&mp->mu);
      25          435749 :   return NACL_SYNC_OK;
      26                 : }
      27                 : 
      28               0 : NaClSyncStatus NaClMutexTryLock(struct NaClMutex *mp) {
      29               0 :   return (0 == pthread_mutex_trylock(&mp->mu)) ?  NACL_SYNC_OK : NACL_SYNC_BUSY;
      30                 : }
      31                 : 
      32          435744 : NaClSyncStatus NaClMutexUnlock(struct NaClMutex *mp) {
      33          435744 :   pthread_mutex_unlock(&mp->mu);
      34          435744 :   return NACL_SYNC_OK;
      35                 : }