1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_AUDIO_ATOMIC_H
18#define ANDROID_AUDIO_ATOMIC_H
19
20#include <stdlib.h>
21#include <stdbool.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27int32_t android_atomic_acquire_load(volatile const int32_t* addr);
28void android_atomic_release_store(int32_t value, volatile int32_t* addr);
29
30// FIXME: use standard atomic library instead of these functions
31int32_t android_atomic_exchange(int32_t value, volatile const int32_t* addr);
32bool android_atomic_compare_exchange(int32_t* expect, int32_t desire, volatile const int32_t* addr);
33
34#ifdef __cplusplus
35}
36#endif
37
38#endif // ANDROID_AUDIO_ATOMIC_H
39