ComputerSurge/bind9
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Always use MAX_ADAPTIVE_COUNT

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This commit is contained in:
Witold Kręcicki
2020-04-17 15:09:59 +02:00
parent b07b6e9efb
commit 274a5f2851
1 changed files with 3 additions and 3 deletions
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6
lib/isc/rwlock.c
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@@ -421,8 +421,8 @@ isc__rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
isc_result_t
isc_rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
int32_t cnt = 0;
int32_t spins = atomic_load_acquire(&rwl->spins) * 2 + 10;
int32_t max_cnt = ISC_MAX(spins, RWLOCK_MAX_ADAPTIVE_COUNT);
// int32_t spins = atomic_load_acquire(&rwl->spins) * 2 + 10;
int32_t max_cnt = RWLOCK_MAX_ADAPTIVE_COUNT; // ISC_MAX(spins, RWLOCK_MAX_ADAPTIVE_COUNT);
isc_result_t result = ISC_R_SUCCESS;
do {
@@ -433,7 +433,7 @@ isc_rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
isc_rwlock_pause();
} while (isc_rwlock_trylock(rwl, type) != ISC_R_SUCCESS);
atomic_fetch_add_release(&rwl->spins, (cnt - spins) / 8);
// atomic_fetch_add_release(&rwl->spins, (cnt - spins) / 8);
return (result);
}