linux: Return unsupported if procfs can not be mount on tst-ttyname-namespace
[glibc.git] / signal / sigwait.c
blob8468281e0cb926a5363d8f0516c19e89c846c703
1 /* sigwait - implementation of sigwait function from POSIX.1c.
2 Copyright (C) 1996-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include <errno.h>
20 #include <signal.h>
22 int
23 __sigwait (const sigset_t *set, int *sig)
25 __set_errno (ENOSYS);
26 return -1;
28 weak_alias (__sigwait, sigwait)
30 stub_warning (sigwait)