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From: David Xu <davidxu@FreeBSD.org>
Date: Tue, 16 Nov 2010 07:03:06 +0000 (UTC)
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Subject: svn commit: r215375 - user/davidxu/libthr/lib/libthr/thread
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Author: davidxu
Date: Tue Nov 16 07:03:06 2010
New Revision: 215375
URL: http://svn.freebsd.org/changeset/base/215375

Log:
  The EBUSY error should be return here, also do not check recursive-mutex
  twice.

Modified:
  user/davidxu/libthr/lib/libthr/thread/thr_mutex.c

Modified: user/davidxu/libthr/lib/libthr/thread/thr_mutex.c
==============================================================================
--- user/davidxu/libthr/lib/libthr/thread/thr_mutex.c	Tue Nov 16 06:20:12 2010	(r215374)
+++ user/davidxu/libthr/lib/libthr/thread/thr_mutex.c	Tue Nov 16 07:03:06 2010	(r215375)
@@ -342,9 +342,6 @@ _mutex_lock_common(struct pthread_mutex 
 			enqueue_mutex(curthread, mp);
 			return (0);
 		}
-		if ((mp->__lockword & UMUTEX_OWNER_MASK) == id)
-			return mutex_self_lock(mp, abstime);
-		return (EBUSY);
 	}
 
 	if (abstime != NULL && (abstime->tv_sec < 0 || abstime->tv_nsec < 0 ||