1/* Convert between lowlevel sigmask and libc representation of sigset_t.
2 Linux version.
3 Copyright (C) 1998-2023 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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, see
18 <https://www.gnu.org/licenses/>. */
19
20static inline int __attribute__ ((unused))
21sigset_set_old_mask (sigset_t *set, int mask)
22{
23 unsigned long int *ptr;
24 int cnt;
25
26 ptr = &set->__val[0];
27
28 *ptr++ = (unsigned int) mask;
29
30 cnt = _SIGSET_NWORDS - 2;
31 do
32 *ptr++ = 0ul;
33 while (--cnt >= 0);
34
35 return 0;
36}
37
38static inline int __attribute__ ((unused))
39sigset_get_old_mask (const sigset_t *set)
40{
41 return (unsigned int) set->__val[0];
42}
43