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update atomic exchange memory model annotations for unix

This commit is contained in:
daan 2019-07-09 14:56:43 -07:00
parent cf8815854c
commit 8ef37e6c0b
1 changed files with 3 additions and 3 deletions
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6
include/mimalloc-atomic.h
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@ -139,15 +139,15 @@ static inline uint32_t mi_atomic_subtract32(volatile uint32_t* p, uint32_t sub)
}
static inline bool mi_atomic_compare_exchange32(volatile uint32_t* p, uint32_t exchange, uint32_t compare) {
MI_USING_STD
return atomic_compare_exchange_weak_explicit((volatile _Atomic(uint32_t)*)p, &compare, exchange, memory_order_relaxed, memory_order_seq_cst);
return atomic_compare_exchange_weak_explicit((volatile _Atomic(uint32_t)*)p, &compare, exchange, memory_order_release, memory_order_relaxed);
}
static inline bool mi_atomic_compare_exchange(volatile uintptr_t* p, uintptr_t exchange, uintptr_t compare) {
MI_USING_STD
return atomic_compare_exchange_weak_explicit((volatile atomic_uintptr_t*)p, &compare, exchange, memory_order_relaxed, memory_order_seq_cst);
return atomic_compare_exchange_weak_explicit((volatile atomic_uintptr_t*)p, &compare, exchange, memory_order_release, memory_order_relaxed);
}
static inline uintptr_t mi_atomic_exchange(volatile uintptr_t* p, uintptr_t exchange) {
MI_USING_STD
return atomic_exchange_explicit((volatile atomic_uintptr_t*)p, exchange, memory_order_relaxed);
return atomic_exchange_explicit((volatile atomic_uintptr_t*)p, exchange, memory_order_acquire);
}
#if defined(__cplusplus)