1/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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 <http://www.gnu.org/licenses/>. */
18
19/* Linux/x86_64 only has rt signals, thus we do not even want to try falling
20 back to the old style signals as the default Linux handler does. */
21
22#include <errno.h>
23#include <signal.h>
24#include <unistd.h>
25
26#include <sysdep.h>
27#include <sys/syscall.h>
28
29/* Get and/or change the set of blocked signals. */
30int
31__sigprocmask (int how, const sigset_t *set, sigset_t *oset)
32{
33
34 /* XXX The size argument hopefully will have to be changed to the
35 real size of the user-level sigset_t. */
36 return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
37}
38weak_alias (__sigprocmask, sigprocmask)
39