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/* Set the disposition of SIG to SIG_IGN.
Copyright (C) 1998-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#define __need_NULL
#include <stddef.h>
#include <signal.h>
#include <string.h> /* For the real memset prototype. */
int
sigignore (sig)
int sig;
{
struct sigaction act;
act.sa_handler = SIG_IGN;
if (__sigemptyset (&act.sa_mask) < 0)
return -1;
act.sa_flags = 0;
return __sigaction (sig, &act, NULL);
}
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