1/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <signal.h>
20#include <string.h>
21
22/* Set all signals in SET. */
23int
24sigfillset (sigset_t *set)
25{
26 if (set == NULL)
27 {
28 __set_errno (EINVAL);
29 return -1;
30 }
31
32 memset (set, 0xff, sizeof (sigset_t));
33
34 /* If the implementation uses a cancellation signal don't set the bit. */
35#ifdef SIGCANCEL
36 __sigdelset (set, SIGCANCEL);
37#endif
38 /* Likewise for the signal to implement setxid. */
39#ifdef SIGSETXID
40 __sigdelset (set, SIGSETXID);
41#endif
42
43 return 0;
44}
45libc_hidden_def (sigfillset)
46