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sleepq_block: use callout_halt, as we have to wait for the callout to

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stop (it might be running on another CPU). Otherwise, 'curlwp' could
exit before it completes.
This commit is contained in:
ad 2008-03-28 20:48:36 +00:00
parent e1fe405771
commit 03489e636c
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_sleepq.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sleepq.c,v 1.22 2008/03/17 16:54:51 ad Exp $ */
/* $NetBSD: kern_sleepq.c,v 1.23 2008/03/28 20:48:36 ad Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.22 2008/03/17 16:54:51 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.23 2008/03/28 20:48:36 ad Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@ -282,7 +282,7 @@ sleepq_block(int timo, bool catch)
* Even if the callout appears to have fired, we need to
* stop it in order to synchronise with other CPUs.
*/
if (callout_stop(&l->l_timeout_ch))
if (callout_halt(&l->l_timeout_ch))
error = EWOULDBLOCK;
}
}