1 /* pthread_sigmask with error checking.
2    Copyright (C) 2016-2022 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 <support/xsignal.h>
20 #include <support/support.h>
21 
22 #include <unistd.h>
23 
24 void
xpthread_sigmask(int how,const sigset_t * set,sigset_t * oldset)25 xpthread_sigmask (int how, const sigset_t *set, sigset_t *oldset)
26 {
27   if (pthread_sigmask (how, set, oldset) != 0)
28     {
29       write_message ("error: pthread_setmask failed\n");
30       /* Do not use exit because pthread_sigmask can be called from a
31          signal handler.  */
32       _exit (1);
33     }
34 }
35