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fix memory order for CAS failure, issue #130

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daan 2020-07-23 15:52:02 -07:00
parent b74caddcc1
commit a9a21f39d8
1 changed files with 2 additions and 2 deletions
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4
include/mimalloc-atomic.h
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@ -223,11 +223,11 @@ static inline uintptr_t mi_atomic_or(volatile _Atomic(uintptr_t)* p, uintptr_t x
}
static inline bool mi_atomic_cas_weak(volatile _Atomic(uintptr_t)* p, uintptr_t desired, uintptr_t expected) {
MI_USING_STD
return atomic_compare_exchange_weak_explicit(p, &expected, desired, memory_order_acq_rel, memory_order_relaxed);
return atomic_compare_exchange_weak_explicit(p, &expected, desired, memory_order_acq_rel, memory_order_acquire);
}
static inline bool mi_atomic_cas_strong(volatile _Atomic(uintptr_t)* p, uintptr_t desired, uintptr_t expected) {
MI_USING_STD
return atomic_compare_exchange_strong_explicit(p, &expected, desired, memory_order_acq_rel, memory_order_relaxed);
return atomic_compare_exchange_strong_explicit(p, &expected, desired, memory_order_acq_rel, memory_order_acquire);
}
static inline uintptr_t mi_atomic_exchange(volatile _Atomic(uintptr_t)* p, uintptr_t exchange) {
MI_USING_STD