1 /* Obtain the configured signal mask from a POSIX thread attribute.
2    Copyright (C) 2020-2022 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 
21 int
__pthread_attr_getsigmask_np(const pthread_attr_t * attr,sigset_t * sigmask)22 __pthread_attr_getsigmask_np (const pthread_attr_t *attr, sigset_t *sigmask)
23 {
24   struct pthread_attr *iattr = (struct pthread_attr *) attr;
25 
26   if (iattr->extension == NULL || !iattr->extension->sigmask_set)
27     {
28       __sigemptyset (sigmask);
29       return PTHREAD_ATTR_NO_SIGMASK_NP;
30     }
31   else
32     {
33       *sigmask = iattr->extension->sigmask;
34       return 0;
35     }
36 }
37 libc_hidden_def (__pthread_attr_getsigmask_np)
38 weak_alias (__pthread_attr_getsigmask_np, pthread_attr_getsigmask_np)
39