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Lock curlwp when updating the start time.

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This commit is contained in:
ad 2007-11-15 20:12:25 +00:00
parent 0239b151ae
commit a67091837e
1 changed files with 4 additions and 2 deletions
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6
sys/kern/kern_idle.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_idle.c,v 1.8 2007/11/13 22:14:35 ad Exp $ */
/* $NetBSD: kern_idle.c,v 1.9 2007/11/15 20:12:25 ad Exp $ */
/*-
* Copyright (c)2002, 2006, 2007 YAMAMOTO Takashi,
@ -28,7 +28,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_idle.c,v 1.8 2007/11/13 22:14:35 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_idle.c,v 1.9 2007/11/15 20:12:25 ad Exp $");
#include <sys/param.h>
#include <sys/cpu.h>
@ -48,7 +48,9 @@ idle_loop(void *dummy)
struct lwp *l = curlwp;
/* Update start time for this thread. */
lwp_lock(l);
microtime(&l->l_stime);
lwp_unlock(l);
KERNEL_UNLOCK_ALL(l, NULL);
l->l_stat = LSONPROC;