54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
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/*
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* Copyright (c) 2015 Hugh Bailey <obs.jim@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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static inline long os_atomic_inc_long(volatile long *val)
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{
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return __sync_add_and_fetch(val, 1);
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}
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static inline long os_atomic_dec_long(volatile long *val)
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{
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return __sync_sub_and_fetch(val, 1);
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}
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static inline long os_atomic_set_long(volatile long *ptr, long val)
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{
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return __sync_lock_test_and_set(ptr, val);
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}
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static inline long os_atomic_load_long(const volatile long *ptr)
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{
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return __atomic_load_n(ptr, __ATOMIC_SEQ_CST);
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}
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static inline bool os_atomic_compare_swap_long(volatile long *val,
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long old_val, long new_val)
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{
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return __sync_bool_compare_and_swap(val, old_val, new_val);
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}
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static inline bool os_atomic_set_bool(volatile bool *ptr, bool val)
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{
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return __sync_lock_test_and_set(ptr, val);
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}
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static inline bool os_atomic_load_bool(const volatile bool *ptr)
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{
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return __atomic_load_n(ptr, __ATOMIC_SEQ_CST);
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}
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