yolobs-studio/libobs/util/threading-windows.h

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2016-02-23 23:16:51 +00:00
/*
* Copyright (c) 2015 Hugh Bailey <obs.jim@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
#include <intrin.h>
static inline long os_atomic_inc_long(volatile long *val)
{
return _InterlockedIncrement(val);
}
static inline long os_atomic_dec_long(volatile long *val)
{
return _InterlockedDecrement(val);
}
static inline long os_atomic_set_long(volatile long *ptr, long val)
{
return (long)_InterlockedExchange((volatile long*)ptr, (long)val);
}
static inline long os_atomic_load_long(const volatile long *ptr)
{
return (long)_InterlockedOr((volatile long*)ptr, 0);
}
static inline bool os_atomic_compare_swap_long(volatile long *val,
long old_val, long new_val)
{
return _InterlockedCompareExchange(val, new_val, old_val) == old_val;
}
static inline bool os_atomic_set_bool(volatile bool *ptr, bool val)
{
return !!_InterlockedExchange8((volatile char*)ptr, (char)val);
}
static inline bool os_atomic_load_bool(const volatile bool *ptr)
{
return !!_InterlockedOr8((volatile char*)ptr, 0);
}