/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2013 Olaf Wintermann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ATOMIC_H
#define ATOMIC_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __gnu_linux__
#define ws_atomic_inc32(intptr) __sync_fetch_and_add(intptr, 1)
#define ws_atomic_dec32(intptr) __sync_fetch_and_sub(intptr, 1)
#define ws_atomic_add32(intptr, val) __sync_fetch_and_add(intptr, val)
#define ws_atomic_sub32(intptr, val) __sync_fetch_and_sub(intptr, val)
#elif defined(OSX)
#include <libkern/OSAtomic.h>
#define ws_atomic_inc32(intptr) OSAtomicIncrement32((volatile int32_t *)intptr)
#define ws_atomic_dec32(intptr) OSAtomicDecrement32((volatile int32_t *)intptr)
#elif defined(BSD)
#define ws_atomic_inc32(intptr) __sync_fetch_and_add(intptr, 1)
#define ws_atomic_dec32(intptr) __sync_fetch_and_sub(intptr, 1)
#define ws_atomic_add32(intptr, val) __sync_fetch_and_add(intptr, val)
#define ws_atomic_sub32(intptr, val) __sync_fetch_and_sub(intptr, va
#else
// use atomic.h
#include <atomic.h>
#define ws_atomic_inc32(intptr) atomic_inc_32_nv(intptr)
#define ws_atomic_dec32(intptr) atomic_dec_32_nv(intptr)
// TODO
#endif
#ifdef __cplusplus
}
#endif
#endif /* ATOMIC_H */