diff options
Diffstat (limited to 'lib/isc/rwlock.c')
| -rw-r--r-- | lib/isc/rwlock.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/isc/rwlock.c b/lib/isc/rwlock.c index ca8e83dfc13f..9c84c258a28b 100644 --- a/lib/isc/rwlock.c +++ b/lib/isc/rwlock.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2009, 2011, 2012 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1998-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rwlock.c,v 1.44.332.2 2009/01/18 23:47:41 tbox Exp $ */ +/* $Id$ */ /*! \file */ @@ -261,6 +261,7 @@ isc_rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) { } cntflag = isc_atomic_xadd(&rwl->cnt_and_flag, READER_INCR); + POST(cntflag); while (1) { if ((rwl->cnt_and_flag & WRITER_ACTIVE) == 0) break; |