/* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

  *

  * Permission is hereby granted, free of charge, to any person obtaining a

  * copy of this software and/or associated documentation files (the

  * "Materials"), to deal in the Materials without restriction, including

  * without limitation the rights to use, copy, modify, merge, publish,

  * distribute, sublicense, and/or sell copies of the Materials, and to

  * permit persons to whom the Materials are furnished to do so, subject to

  * the following conditions:

  * 

  * The above copyright notice and this permission notice shall be included

  * in all copies or substantial portions of the Materials.

  * 

  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.

  */

 #ifdef __cplusplus

 extern "C" {

 #endif

 #include <pthread.h>

 #include <errno.h>

 #include <stdlib.h>

 #include "owfmemory.h"

 #include "owfmutex.h"

 #define MUTEX(x)        (pthread_mutex_t*)(*x)

 OWF_API_CALL OWFint

 OWF_Mutex_Init(OWF_MUTEX* mutex)

 {

     if (!mutex)

     {

         return EINVAL;

     }

     *mutex = xalloc(1, sizeof(pthread_mutex_t));

     if (!*mutex)

     {

         return ENOMEM;

     }

     return pthread_mutex_init(MUTEX(mutex), NULL);

 }

 OWF_API_CALL OWFint

 OWF_Mutex_Destroy(OWF_MUTEX* mutex)

 {

     OWFint             err = EINVAL;

     if (!mutex)

     {

         return EINVAL;

     }

     if (*mutex)

     {

         err = pthread_mutex_destroy(MUTEX(mutex));

         xfree(*mutex);

         *mutex = NULL;

     }

     return err;

 }

 OWF_API_CALL OWFint

 OWF_Mutex_Lock(OWF_MUTEX* mutex)

 {

     if (!(mutex && *mutex))

     {

         return EINVAL;

     }

     return pthread_mutex_lock(MUTEX(mutex));

 }

 OWF_API_CALL OWFint

 OWF_Mutex_Unlock(OWF_MUTEX* mutex)

 {

     if (!(mutex && *mutex))

     {

         return EINVAL;

     }

     return pthread_mutex_unlock(MUTEX(mutex));

 }

 #ifdef __cplusplus

 }

 #endif