| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2015 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 | |
| 21 | #include <sigset-cvt-mask.h> |
| 22 | |
| 23 | /* Block signals in MASK, returning the old mask. */ |
| 24 | int |
| 25 | __sigblock (mask) |
| 26 | int mask; |
| 27 | { |
| 28 | sigset_t set, oset; |
| 29 | |
| 30 | if (sigset_set_old_mask (&set, mask) < 0) |
| 31 | return -1; |
| 32 | |
| 33 | if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0) |
| 34 | return -1; |
| 35 | |
| 36 | return sigset_get_old_mask (&oset); |
| 37 | } |
| 38 | |
| 39 | weak_alias (__sigblock, sigblock) |