Author: davidxu
Date: Thu Aug 26 07:09:48 2010
New Revision: 211833
URL: http://svn.freebsd.org/changeset/base/211833
Log:
Decrease rdlock count only when thread unlocked a reader lock.
MFC after: 3 days
Modified:
head/lib/libthr/thread/thr_rtld.c
Modified: head/lib/libthr/thread/thr_rtld.c
==============================================================================
--- head/lib/libthr/thread/thr_rtld.c Thu Aug 26 05:25:51 2010
(r211832)
+++ head/lib/libthr/thread/thr_rtld.c Thu Aug 26 07:09:48 2010
(r211833)
@@ -149,8 +149,8 @@ _thr_rtld_lock_release(void *lock)
state = l->lock.rw_state;
if (_thr_rwlock_unlock(&l->lock) == 0) {
- curthread->rdlock_count--;
if ((state & URWLOCK_WRITE_OWNER) == 0) {
+ curthread->rdlock_count--;
THR_CRITICAL_LEAVE(curthread);
} else {
_thr_signal_unblock(curthread);
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