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The isc_refcount_decrement must use memory_order_release and isc_refcount_destroy must run thread barrier with memory_order_require

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This commit is contained in:
Ondřej Surý 2018-07-27 14:17:09 +02:00
parent 43be6ff428
commit 8537adef4c
1 changed files with 2 additions and 2 deletions
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4
lib/isc/include/isc/refcount.h
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@ -53,7 +53,7 @@ typedef atomic_uint_fast32_t isc_refcount_t;
*/
#define isc_refcount_current(target) \
(uint_fast32_t)atomic_load_explicit(target, memory_order_relaxed)
(uint_fast32_t)atomic_load_explicit(target, memory_order_acquire)
/** \def isc_refcount_destroy(ref)
* \brief a destructor that makes sure that all references were cleared.
@ -85,6 +85,6 @@ typedef atomic_uint_fast32_t isc_refcount_t;
* \returns previous value of reference counter.
*/
#define isc_refcount_decrement(target) \
atomic_fetch_sub_explicit(target, 1, memory_order_relaxed)
atomic_fetch_sub_explicit(target, 1, memory_order_release)
ISC_LANG_ENDDECLS