Date: Wed, 5 Jan 2005 05:14:03 GMT From: David Xu <davidxu@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 68292 for review Message-ID: <200501050514.j055E3hB081288@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=68292 Change 68292 by davidxu@davidxu_celeron on 2005/01/05 05:13:10 in trywait, replace `if' with `while'. Affected files ... .. //depot/projects/davidxu_thread/src/lib/libthread/thread/thr_sem.c#5 edit Differences ... ==== //depot/projects/davidxu_thread/src/lib/libthread/thread/thr_sem.c#5 (text+ko) ==== @@ -119,7 +119,7 @@ if ((*sem)->syssem != 0) return (ksem_trywait((*sem)->semid)); - if ((val = (*sem)->count) > 0) { + while ((val = (*sem)->count) > 0) { if (atomic_cmpset_acq_int(&(*sem)->count, val, val - 1)) return (0); }
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