1#ifndef _DESEMAPHORE_H
2#define _DESEMAPHORE_H
3/*-------------------------------------------------------------------------
4 * drawElements Thread Library
5 * ---------------------------
6 *
7 * Copyright 2014 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 *      http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief Semaphore class.
24 *//*--------------------------------------------------------------------*/
25
26#include "deDefs.h"
27
28DE_BEGIN_EXTERN_C
29
30/* Semaphore type. */
31typedef deUintptr		deSemaphore;
32
33/*--------------------------------------------------------------------*//*!
34 * \brief Semaphore attributes.
35 *//*--------------------------------------------------------------------*/
36typedef struct deSemaphoreAttributes_s
37{
38	deUint32		flags;
39} deSemaphoreAttributes;
40
41deSemaphore		deSemaphore_create			(int initialValue, const deSemaphoreAttributes* attributes);
42void			deSemaphore_destroy			(deSemaphore semaphore);
43
44void			deSemaphore_increment		(deSemaphore semaphore);
45void			deSemaphore_decrement		(deSemaphore semaphore);
46
47deBool			deSemaphore_tryDecrement	(deSemaphore semaphore);
48
49DE_END_EXTERN_C
50
51#endif /* _DESEMAPHORE_H */
52