stdatomic.h (2527B)
1 /* 2 * Copyright © 2018, VideoLAN and dav1d authors 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef GCCVER_STDATOMIC_H_ 28 #define GCCVER_STDATOMIC_H_ 29 30 #if !defined(__cplusplus) 31 32 typedef int atomic_int; 33 typedef unsigned int atomic_uint; 34 35 #define memory_order_relaxed __ATOMIC_RELAXED 36 #define memory_order_acquire __ATOMIC_ACQUIRE 37 38 #define atomic_init(p_a, v) do { *(p_a) = (v); } while(0) 39 #define atomic_store(p_a, v) __atomic_store_n(p_a, v, __ATOMIC_SEQ_CST) 40 #define atomic_load(p_a) __atomic_load_n(p_a, __ATOMIC_SEQ_CST) 41 #define atomic_load_explicit(p_a, mo) __atomic_load_n(p_a, mo) 42 #define atomic_fetch_add(p_a, inc) __atomic_fetch_add(p_a, inc, __ATOMIC_SEQ_CST) 43 #define atomic_fetch_add_explicit(p_a, inc, mo) __atomic_fetch_add(p_a, inc, mo) 44 #define atomic_fetch_sub(p_a, dec) __atomic_fetch_sub(p_a, dec, __ATOMIC_SEQ_CST) 45 #define atomic_exchange(p_a, v) __atomic_exchange_n(p_a, v, __ATOMIC_SEQ_CST) 46 #define atomic_fetch_or(p_a, v) __atomic_fetch_or(p_a, v, __ATOMIC_SEQ_CST) 47 #define atomic_compare_exchange_strong(p_a, expected, desired) __atomic_compare_exchange_n(p_a, expected, desired, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST) 48 49 #endif /* !defined(__cplusplus) */ 50 51 #endif /* GCCVER_STDATOMIC_H_ */