1/* Compatibility symbols for old versions of signal.h.
2 Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <signal.h>
20#include <sigsetops.h>
21#include <shlib-compat.h>
22
23/* These were formerly defined by <signal.h> as inline functions,
24 so they require out-of-line compatibility definitions. */
25#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_26)
26
27int
28attribute_compat_text_section
29__sigismember_compat (const __sigset_t *set, int sig)
30{
31 return __sigismember (set, sig);
32}
33compat_symbol (libc, __sigismember_compat, __sigismember, GLIBC_2_0);
34
35int
36attribute_compat_text_section
37__sigaddset_compat (__sigset_t *set, int sig)
38{
39 __sigaddset (set, sig);
40 return 0;
41}
42compat_symbol (libc, __sigaddset_compat, __sigaddset, GLIBC_2_0);
43
44int
45attribute_compat_text_section
46__sigdelset_compat (__sigset_t *set, int sig)
47{
48 __sigdelset (set, sig);
49 return 0;
50}
51compat_symbol (libc, __sigdelset_compat, __sigdelset, GLIBC_2_0);
52
53#endif
54

source code of glibc/signal/sigsetops.c