blob: 6938ef676719878a106e9e9b6867440bd36ca748 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* Copyright (c) 2004 Gunnar Ritter
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute
* it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*/
/* Sccsid @(#)sigignore.c 1.6 (gritter) 1/22/06 */
#if defined (__FreeBSD__) || defined (__dietlibc__) || defined (__NetBSD__) || \
defined (__OpenBSD__) || defined (__DragonFly__) || defined (__APPLE__)
#include <signal.h>
#include "sigset.h"
int
sigignore(int sig)
{
struct sigaction act;
if (sig <= 0)
return -1;
act.sa_handler = SIG_IGN;
act.sa_flags = 0;
if (sig == SIGCHLD)
act.sa_flags |= SA_NOCLDSTOP|SA_NOCLDWAIT;
sigemptyset(&act.sa_mask);
sigaddset(&act.sa_mask, sig);
return sigaction(sig, &act, (struct sigaction *)0);
}
#endif /* __FreeBSD__ || __dietlibc__ || __NetBSD__ || __OpenBSD__ ||
__DragonFly__ || __APPLE__ */
|