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/*
* Copyright (C) 2010 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.
*/
#ifndef BIONIC_ATOMIC_INLINE_H
#define BIONIC_ATOMIC_INLINE_H
/*
* Inline declarations and macros for some special-purpose atomic
* operations. These are intended for rare circumstances where a
* memory barrier needs to be issued inline rather than as a function
* call.
*
* Macros defined in this header:
*
* void ANDROID_MEMBAR_FULL()
* Full memory barrier. Provides a compiler reordering barrier, and
* on SMP systems emits an appropriate instruction.
*/
#if !defined(ANDROID_SMP)
# error "Must define ANDROID_SMP before including atomic-inline.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Define __ATOMIC_INLINE__ to control the inlining of all atomics
* functions declared here. For a slight performance boost, we want
* all of them to be always_inline
*/
#define __ATOMIC_INLINE__ static __inline__ __attribute__((always_inline))
#if defined(__arm__)
# include "bionic_atomic_arm.h"
#elif defined(__aarch64__)
# include "bionic_atomic_arm64.h"
#elif defined(__i386__)
# include "bionic_atomic_x86.h"
#elif defined(__mips__)
# include "bionic_atomic_mips.h"
#else
# include "bionic_atomic_gcc_builtin.h"
#endif
#define ANDROID_MEMBAR_FULL __bionic_memory_barrier
#ifdef __cplusplus
} // extern "C"
#endif
#endif // BIONIC_ATOMIC_INLINE_H
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