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04277e02 | 1 | /* Copyright (C) 1991-2019 Free Software Foundation, Inc. |
df4ef2ab | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
df4ef2ab | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
df4ef2ab UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
a992f506 ZW |
18 | #include <errno.h> |
19 | #include <signal.h> | |
d8440a21 | 20 | #include <sigsetops.h> |
d2dc5467 | 21 | #include <internal-signals.h> |
28f540f4 RM |
22 | |
23 | /* Add SIGNO to SET. */ | |
24 | int | |
9d46370c | 25 | sigdelset (sigset_t *set, int signo) |
28f540f4 | 26 | { |
d2dc5467 AZ |
27 | if (set == NULL || signo <= 0 || signo >= NSIG |
28 | || __is_internal_signal (signo)) | |
28f540f4 | 29 | { |
c4029823 | 30 | __set_errno (EINVAL); |
28f540f4 RM |
31 | return -1; |
32 | } | |
33 | ||
a992f506 ZW |
34 | __sigdelset (set, signo); |
35 | return 0; | |
28f540f4 | 36 | } |
85dd1003 | 37 | libc_hidden_def (sigdelset) |