svn commit: r231996 - stable/9/lib/libthr/thread

David Xu davidxu at FreeBSD.org
Wed Feb 22 08:30:19 UTC 2012


Author: davidxu
Date: Wed Feb 22 08:30:18 2012
New Revision: 231996
URL: http://svn.freebsd.org/changeset/base/231996

Log:
  MFC 231906:
  
  Check both seconds and nanoseconds are zero, only checking nanoseconds
  is zero may trigger timeout too early. It seems a copy&paste bug.

Modified:
  stable/9/lib/libthr/thread/thr_umtx.c
Directory Properties:
  stable/9/lib/libthr/   (props changed)

Modified: stable/9/lib/libthr/thread/thr_umtx.c
==============================================================================
--- stable/9/lib/libthr/thread/thr_umtx.c	Wed Feb 22 07:34:23 2012	(r231995)
+++ stable/9/lib/libthr/thread/thr_umtx.c	Wed Feb 22 08:30:18 2012	(r231996)
@@ -205,7 +205,7 @@ _thr_umtx_timedwait_uint(volatile u_int 
 	if (abstime != NULL) {
 		clock_gettime(clockid, &ts);
 		TIMESPEC_SUB(&ts2, abstime, &ts);
-		if (ts2.tv_sec < 0 || ts2.tv_nsec <= 0)
+		if (ts2.tv_sec < 0 || (ts2.tv_sec == 0 && ts2.tv_nsec <= 0))
 			return (ETIMEDOUT);
 		tsp = &ts2;
 	} else {


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