/* pthread_sigmask with error checking.

   Copyright (C) 2016-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <support/xsignal.h>

#include <support/support.h>

#include <unistd.h>

void

xpthread_sigmask (int how, const sigset_t *set, sigset_t *oldset)

{

  if (pthread_sigmask (how, set, oldset) != 0)

    {

      write_message ("error: pthread_setmask failed\n");

      /* Do not use exit because pthread_sigmask can be called from a

         signal handler.  */

      _exit (1);

    }

}