1/* Copyright (C) 1996-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
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.
8
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 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <signal.h>
20#include <unistd.h>
21
22#include <sysdep-cancel.h>
23#include <sys/syscall.h>
24
25/* Change the set of blocked signals to SET,
26 wait until a signal arrives, and restore the set of blocked signals. */
27int
28__sigsuspend (const sigset_t *set)
29{
30 return SYSCALL_CANCEL (rt_sigsuspend, set, _NSIG / 8);
31}
32libc_hidden_def (__sigsuspend)
33weak_alias (__sigsuspend, sigsuspend)
34strong_alias (__sigsuspend, __libc_sigsuspend)
35