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fix memory order for weak CAS, issue #130, thanks @mary3000!

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daan
2020-07-22 13:58:00 -07:00
parent 2e1b4f512d
commit 444afa934f
1 changed files with 1 additions and 1 deletions
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include/mimalloc-atomic.h
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@@ -219,7 +219,7 @@ 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_release, memory_order_relaxed);
return atomic_compare_exchange_weak_explicit(p, &expected, desired, memory_order_acq_rel, memory_order_relaxed);
}
static inline bool mi_atomic_cas_strong(volatile _Atomic(uintptr_t)* p, uintptr_t desired, uintptr_t expected) {
MI_USING_STD