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ec41af45 | 1 | /* Set the signal mask in a POSIX thread attribute. Internal variant. |
dff8da6b | 2 | Copyright (C) 2020-2024 Free Software Foundation, Inc. |
ec41af45 FW |
3 | This file is part of the GNU C Library. |
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 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <pthreadP.h> | |
20 | #include <internal-signals.h> | |
21 | ||
22 | int | |
23 | __pthread_attr_setsigmask_internal (pthread_attr_t *attr, | |
24 | const sigset_t *sigmask) | |
25 | { | |
26 | struct pthread_attr *iattr = (struct pthread_attr *) attr; | |
27 | ||
28 | if (sigmask == NULL) | |
29 | { | |
30 | /* Mark the signal mask as unset if it is present. */ | |
31 | if (iattr->extension != NULL) | |
32 | iattr->extension->sigmask_set = false; | |
33 | return 0; | |
34 | } | |
35 | ||
36 | int ret = __pthread_attr_extension (iattr); | |
37 | if (ret != 0) | |
38 | return ret; | |
39 | ||
40 | iattr->extension->sigmask = *sigmask; | |
41 | iattr->extension->sigmask_set = true; | |
42 | ||
43 | return 0; | |
44 | } | |
45 | libc_hidden_def (__pthread_attr_setsigmask_internal) |