Fix build errors with -DNDEBUG.
[glibc.git] / sysdeps / posix / sigsetmask.c
blobbb16262eceaefa8bfbbf8e7a49e2db061f674973
1 /* Copyright (C) 1991-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
18 #include <errno.h>
19 #include <signal.h>
21 #include <sigset-cvt-mask.h>
23 /* Set the mask of blocked signals to MASK, returning the old mask. */
24 int
25 __sigsetmask (int mask)
27 sigset_t set, oset;
29 if (sigset_set_old_mask (&set, mask) < 0)
30 return -1;
32 if (__sigprocmask (SIG_SETMASK, &set, &oset) < 0)
33 return -1;
35 return sigset_get_old_mask (&oset);
38 weak_alias (__sigsetmask, sigsetmask)