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b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
84384f5b | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
84384f5b | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
84384f5b UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
28f540f4 RM |
18 | #include <errno.h> |
19 | #include <signal.h> | |
20 | ||
b5d482d0 RM |
21 | #include <sigset-cvt-mask.h> |
22 | ||
28f540f4 RM |
23 | /* Block signals in MASK, returning the old mask. */ |
24 | int | |
84384f5b UD |
25 | __sigblock (mask) |
26 | int mask; | |
28f540f4 | 27 | { |
28f540f4 RM |
28 | sigset_t set, oset; |
29 | ||
b5d482d0 | 30 | if (sigset_set_old_mask (&set, mask) < 0) |
28f540f4 | 31 | return -1; |
84384f5b | 32 | |
50304ef0 | 33 | if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0) |
28f540f4 RM |
34 | return -1; |
35 | ||
b5d482d0 | 36 | return sigset_get_old_mask (&oset); |
28f540f4 RM |
37 | } |
38 | ||
39 | weak_alias (__sigblock, sigblock) |