1/* Internal sigaction definitions.
2 Copyright (C) 2021-2022 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 <errno.h>
20#include <signal.h>
21
22/* If ACT is not NULL, change the action for SIG to *ACT.
23 If OACT is not NULL, put the old action for SIG in *OACT. */
24int
25__libc_sigaction (int sig, const struct sigaction *act,
26 struct sigaction *oact)
27{
28 __set_errno (ENOSYS);
29 return -1;
30}
31stub_warning (libc_sigaction)
32libc_hidden_def (__libc_sigaction)
33

source code of glibc/signal/libc_sigaction.c