blob: a74c105223d5a91b1f6e50a18f1785b2b87f36fa [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/* Set the disposition of SIG to SIG_IGN.
2 Copyright (C) 1998, 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
20
21#include <errno.h>
22#define __need_NULL
23#include <stddef.h>
24#include <signal.h>
25#include <string.h> /* For the real memset prototype. */
26
27
28int sigignore (int sig)
29{
30 struct sigaction act;
31
32 memset(&act, 0, sizeof(act));
33 act.sa_handler = SIG_IGN;
34
35 return sigaction (sig, &act, NULL);
36}