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A read lock could incorrectly be granted in some cases.

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This commit is contained in:
Brian Wellington 2000-08-24 19:06:38 +00:00
parent 6c046c19a3
commit 3cab47dbea
1 changed files with 3 additions and 3 deletions
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6
lib/isc/rwlock.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rwlock.c,v 1.21 2000/08/24 17:06:31 gson Exp $ */
/* $Id: rwlock.c,v 1.22 2000/08/24 19:06:38 bwelling Exp $ */
#include <config.h>
@ -121,9 +121,9 @@ isc_rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
while (!done) {
if (!skip &&
((rwl->active == 0 ||
rwl->writers_waiting == 0 ||
(rwl->type == isc_rwlocktype_read &&
rwl->granted < rwl->read_quota))))
(rwl->writers_waiting == 0 ||
rwl->granted < rwl->read_quota)))))
{
rwl->type = isc_rwlocktype_read;
rwl->active++;