1#ifndef _DEMUTEX_H
2#define _DEMUTEX_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 Mutex class.
24 *//*--------------------------------------------------------------------*/
25
26#include "deDefs.h"
27
28DE_BEGIN_EXTERN_C
29
30typedef deUintptr	deMutex;
31
32/*--------------------------------------------------------------------*//*!
33 * \brief Mutex attributes.
34 *//*--------------------------------------------------------------------*/
35typedef enum deMutexFlag_e
36{
37	/**
38	 * \brief Create recursive mutex.
39	 *
40	 * Recursive mutex can be locked multiple times from single thread
41	 * and it is unlocked when lock count from owning thread reaches
42	 * zero.
43	 */
44	DE_MUTEX_RECURSIVE		= (1 << 0)
45} deMutexFlag;
46
47/*--------------------------------------------------------------------*//*!
48 * \brief Mutex attributes.
49 *//*--------------------------------------------------------------------*/
50typedef struct deMutexAttributes_s
51{
52	deUint32		flags;
53} deMutexAttributes;
54
55deMutex		deMutex_create		(const deMutexAttributes* attributes);
56void		deMutex_destroy		(deMutex mutex);
57void		deMutex_lock		(deMutex mutex);
58deBool		deMutex_tryLock		(deMutex mutex);
59void		deMutex_unlock		(deMutex mutex);
60
61DE_END_EXTERN_C
62
63#endif /* _DEMUTEX_H */
64