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PR/40594: Antti Kantee: Don't call issignal() here to determine what errno

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to set for the interrupted syscall, because issignal() will consume the signal
and it will not be delivered to the process afterwards. Instead call
sigispending() (which now returns the first pending signal) and does not
consume the signal.
This commit is contained in:
christos 2011-08-31 16:09:55 +00:00
parent 0330b42b89
commit eba2a3cf3e
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 1.41 2011/07/27 14:35:34 uebayasi Exp $ */
/* $NetBSD: kern_sleepq.c,v 1.42 2011/08/31 16:09:55 christos Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.41 2011/07/27 14:35:34 uebayasi Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.42 2011/08/31 16:09:55 christos Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@ -284,7 +284,7 @@ sleepq_block(int timo, bool catch)
* not recurse again.
*/
mutex_enter(p->p_lock);
if ((sig = issignal(l)) != 0)
if ((sig = sigispending(l, 0)) != 0)
error = sleepq_sigtoerror(l, sig);
mutex_exit(p->p_lock);
}