text: /*
   * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
   * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this list of
   *    conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice, this list
   *    of conditions and the following disclaimer in the documentation and/or other materials
   *    provided with the distribution.
   *
   * 3. Neither the name of the copyright holder nor the names of its contributors may be used
   *    to endorse or promote products derived from this software without specific prior written
   *    permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "pthread.h"
  
  
  int pthread_mutexattr_init(pthread_mutexattr_t *attr)
  {
      unsigned int ret = LOS_MuxAttrInit(attr);
      if (ret != LOS_OK) {
          return (int)ret;
      }
  
  #if defined POSIX_MUTEX_DEFAULT_INHERIT
      attr->protocol    = PTHREAD_PRIO_INHERIT;
  #elif defined POSIX_MUTEX_DEFAULT_PROTECT
      attr->protocol    = PTHREAD_PRIO_PROTECT;
  #else
      attr->protocol    = PTHREAD_PRIO_NONE;
  #endif
      attr->type = PTHREAD_MUTEX_NORMAL;
      return LOS_OK;
  }
  
  int pthread_mutexattr_destroy(pthread_mutexattr_t *attr)
  {
      return LOS_MuxAttrDestroy(attr);
  }
  
  int pthread_mutexattr_setprotocol(pthread_mutexattr_t *attr, int protocol)
  {
      return LOS_MuxAttrSetProtocol(attr, protocol);
  }
  
  int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *attr, int *protocol)
  {
      return LOS_MuxAttrGetProtocol(attr, protocol);
  }
  
  int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attr, int prioceiling)
  {
      return LOS_MuxAttrSetPrioceiling(attr, prioceiling);
  }
  
  int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *attr, int *prioceiling)
  {
      return LOS_MuxAttrGetPrioceiling(attr, prioceiling);
  }
  
  int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, int prioceiling, int *oldPrioceiling)
  {
      return LOS_MuxSetPrioceiling(mutex, prioceiling, oldPrioceiling);
  }
  
  int pthread_mutex_getprioceiling(const pthread_mutex_t *mutex, int *prioceiling)
  {
      return LOS_MuxGetPrioceiling(mutex, prioceiling);
  }
  
  int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *outType)
  {
      return LOS_MuxAttrGetType(attr, outType);
  }
  
  int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type)
  {
      return LOS_MuxAttrSetType(attr, type);
  }
  
  /* Initialize mutex. If mutexAttr is NULL, use default attributes. */
  int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexAttr)
  {
      unsigned int ret = LOS_MuxInit(mutex, mutexAttr);
      if ((ret == LOS_OK) && (mutexAttr == NULL)) {
  #if defined POSIX_MUTEX_DEFAULT_INHERIT
          mutex->attr.protocol    = PTHREAD_PRIO_INHERIT;
  #elif defined POSIX_MUTEX_DEFAULT_PROTECT
          mutex->attr.protocol    = PTHREAD_PRIO_PROTECT;
  #else
          mutex->attr.protocol    = PTHREAD_PRIO_NONE;
  #endif
          mutex->attr.type = PTHREAD_MUTEX_NORMAL;
      }
  
      return (int)ret;
  }
  
  int pthread_mutex_destroy(pthread_mutex_t *mutex)
  {
      return LOS_MuxDestroy(mutex);
  }
  
  /* Lock mutex, waiting for it if necessary. */
  int pthread_mutex_lock(pthread_mutex_t *mutex)
  {
      return LOS_MuxLock(mutex, LOS_WAIT_FOREVER);
  }
  
  int pthread_mutex_trylock(pthread_mutex_t *mutex)
  {
      return LOS_MuxTrylock(mutex);
  }
  
  int pthread_mutex_unlock(pthread_mutex_t *mutex)
  {
      return LOS_MuxUnlock(mutex);
  }
  
  