| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "atomic.h" |
| |
| #include <stdatomic.h> |
| #include <stdbool.h> |
| |
| int32_t android_atomic_acquire_load(volatile const int32_t* addr) { |
| volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*) addr; |
| return atomic_load_explicit(a, memory_order_acquire); |
| } |
| |
| void android_atomic_release_store(int32_t value, volatile int32_t* addr) { |
| volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*) addr; |
| atomic_store_explicit(a, value, memory_order_release); |
| } |
| |
| int32_t android_atomic_exchange(int32_t value, volatile const int32_t* addr) { |
| volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*) addr; |
| return atomic_exchange(a, value); |
| } |
| |
| bool android_atomic_compare_exchange(int32_t* expect, int32_t desire, volatile const int32_t* addr) { |
| volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*) addr; |
| return atomic_compare_exchange_weak(a, expect, desire); |
| } |