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