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sigswitch: fix a deadlock.

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This commit is contained in:
yamt 2007-02-15 15:10:44 +00:00
parent 35e081e528
commit d972f83ff5
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_sig.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sig.c,v 1.243 2007/02/09 21:55:31 ad Exp $ */
/* $NetBSD: kern_sig.c,v 1.244 2007/02/15 15:10:44 yamt Exp $ */
/*-
* Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
@ -73,7 +73,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sig.c,v 1.243 2007/02/09 21:55:31 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sig.c,v 1.244 2007/02/15 15:10:44 yamt Exp $");
#include "opt_ktrace.h"
#include "opt_ptrace.h"
@ -1537,8 +1537,8 @@ sigswitch(boolean_t ppsig, int ppmask, int signo)
mutex_exit(&p->p_smutex);
lwp_lock(l);
mi_switch(l, NULL);
mutex_enter(&p->p_smutex);
KERNEL_LOCK(l->l_biglocks, l);
mutex_enter(&p->p_smutex);
}
/*