1 /* Copyright (c) 2009 The Khronos Group Inc.

     2  *

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

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

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

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

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

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

     9  * the following conditions:

    10  *

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

    12  * in all copies or substantial portions of the Materials.

    13  *

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

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

    16  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

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

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

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

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

    21  */

    22 

    23 #ifndef OWFSEMAPHORE_H_

    24 #define OWFSEMAPHORE_H_

    25 

    26 #include "owftypes.h"

    27 

    28 

    29 #ifdef __cplusplus

    30 extern "C" {

    31 #endif

    32 

    33 

    34 OWF_API_CALL OWFint

    35 OWF_Semaphore_Init(OWF_SEMAPHORE* sem, OWFint val);

    36 

    37 OWF_API_CALL OWFint

    38 OWF_Semaphore_Wait(OWF_SEMAPHORE* sem);

    39 

    40 OWF_API_CALL OWFint

    41 OWF_Semaphore_TryWait(OWF_SEMAPHORE* sem);

    42 

    43 OWF_API_CALL void

    44 OWF_Semaphore_Post(OWF_SEMAPHORE* sem);

    45 

    46 OWF_API_CALL OWFint

    47 OWF_Semaphore_GetValue(OWF_SEMAPHORE* sem, OWFint* val);

    48 

    49 OWF_API_CALL OWFint

    50 OWF_Semaphore_Destroy(OWF_SEMAPHORE* sem);

    51 

    52 

    53 #ifdef __cplusplus

    54 }

    55 #endif

    56 

    57 

    58 #endif