1/* Set the signal mask in a POSIX thread attribute. Internal variant.
2 Copyright (C) 2020-2023 Free Software Foundation, Inc.
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
22int
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}
45libc_hidden_def (__pthread_attr_setsigmask_internal)
46