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SHADOW 2022-12-25 10:45:58 +02:00 • committed by GitHub
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43
include/gcc-4.8.5-atomic.h Normal file
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@ -0,0 +1,43 @@
/**
* @file gcc-4.8.5-atomic.h
*
* @author shadow-yuan (shadow_yuan@qq.com)
*
* @brief because gcc-4.8.5 does not include the file stdatomic.h
* so add this file to pass the compilation
*
*/
#ifndef MI_FOR_GCC_485_ATOMIC_H_
#define MI_FOR_GCC_485_ATOMIC_H_
#define memory_order_relaxed __ATOMIC_RELAXED
#define memory_order_consume __ATOMIC_CONSUME
#define memory_order_acquire __ATOMIC_ACQUIRE
#define memory_order_release __ATOMIC_RELEASE
#define memory_order_acq_rel __ATOMIC_ACQ_REL
#define memory_order_seq_cst __ATOMIC_SEQ_CST
#define _Atomic(x) x
#define __has_include(x) (1)
#define atomic_load_explicit(p, m) __atomic_load_n(p, m)
#define atomic_store_explicit(p, x, m) __atomic_store_n(p, x, m)
#define atomic_exchange(p, x) __atomic_exchange_n(p, x, memory_order_seq_cst)
#define atomic_exchange_explicit(p, x, m) __atomic_exchange_n(p, x, m)
#define atomic_compare_exchange_weak_explicit(p, expected, desired, mem_success, mem_fail) \
__atomic_compare_exchange_n(p, expected, desired, 1, mem_success, mem_fail)
#define atomic_compare_exchange_strong_explicit(p, expected, desired, mem_success, mem_fail) \
__atomic_compare_exchange_n(p, expected, desired, 0, mem_success, mem_fail)
#define atomic_fetch_add_explicit(p, x, m) __atomic_fetch_add(p, x, m)
#define atomic_fetch_sub_explicit(p, x, m) __atomic_fetch_sub(p, x, m)
#define atomic_fetch_and_explicit(p, x, m) __atomic_fetch_and(p, x, m)
#define atomic_fetch_or_explicit(p, x, m) __atomic_fetch_or(p, x, m)
#define ATOMIC_VAR_INIT(x) (x)
#endif // MI_FOR_GCC_485_ATOMIC_H_

5
include/mimalloc-atomic.h
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@ -34,6 +34,11 @@ terms of the MIT license. A copy of the license can be found in the file
#define MI_ATOMIC_VAR_INIT(x) x
#define mi_atomic(name) mi_atomic_##name
#define mi_memory_order(name) mi_memory_order_##name
#elif defined(MI_ATOMIC_FOR_GCC485)
#include <gcc-4.8.5-atomic.h>
#define mi_atomic(name) atomic_##name
#define mi_memory_order(name) memory_order_##name
#define MI_ATOMIC_VAR_INIT(x) x
#else
// Use C11 atomics
#include <stdatomic.h>