Date: Fri, 4 Aug 2006 13:07:28 GMT From: Roman Divacky <rdivacky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 103163 for review Message-ID: <200608041307.k74D7S01087574@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=103163 Change 103163 by rdivacky@rdivacky_witten on 2006/08/04 13:07:11 Fix the previous commit. set != store. Also change the checking of the refcount to be atomic as well. Affected files ... .. //depot/projects/soc2006/rdivacky_linuxolator/compat/linux/linux_futex.c#14 edit Differences ... ==== //depot/projects/soc2006/rdivacky_linuxolator/compat/linux/linux_futex.c#14 (text+ko) ==== @@ -284,7 +284,7 @@ /* Not found, create it */ f = malloc(sizeof(*f), M_LINUX, M_WAITOK); f->f_uaddr = uaddr; - atomic_set_int(&f->f_refcount, 1); + f->f_refcount = 1; TAILQ_INIT(&f->f_waiting_proc); FUTEX_LOCK; LIST_INSERT_HEAD(&futex_list, f, f_list); @@ -297,8 +297,7 @@ futex_put(f) struct futex *f; { - atomic_add_int(&f->f_refcount, -1); - if (f->f_refcount == 0) { + if (atomic_fetchadd_int(&f->f_refcount, -1) == 1) { FUTEX_LOCK; LIST_REMOVE(f, f_list); FUTEX_UNLOCK;
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