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c4029823 | 1 | /* Copyright (C) 1991, 1996 Free Software Foundation, Inc. |
df4ef2ab | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
df4ef2ab UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | 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 | |
12 | Library General Public License for more details. | |
28f540f4 | 13 | |
df4ef2ab UD |
14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 RM |
18 | |
19 | #include "sigsetops.h" | |
20 | ||
21 | /* Return 1 if SIGNO is in SET, 0 if not. */ | |
22 | int | |
c4029823 UD |
23 | sigismember (set, signo) |
24 | const sigset_t *set; | |
25 | int signo; | |
28f540f4 RM |
26 | { |
27 | if (set == NULL || signo <= 0 || signo >= NSIG) | |
28 | { | |
c4029823 | 29 | __set_errno (EINVAL); |
28f540f4 RM |
30 | return -1; |
31 | } | |
32 | ||
33 | return __sigismember (set, signo); | |
34 | } |