1 /* Copyright (C) 1991, 1994-1998, 2001-2002 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 /*#define __UCLIBC_HIDE_DEPRECATED__*/
19 #include <signal.h>
20
21 #include "sigset-cvt-mask.h"
22
23 /* Block signals in MASK, returning the old mask. */
sigblock(int mask)24 static int sigblock (int mask)
25 {
26 sigset_t set, oset;
27
28 sigset_set_old_mask (&set, mask);
29 sigprocmask (SIG_BLOCK, &set, &oset); /* can't fail */
30 return sigset_get_old_mask (&oset);
31 }
32