nptl/pthread_attr_setsigmask.c

   1 /* Set the signal mask in a POSIX thread attribute.  Public variant.
   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 #include <internal-signals.h>
  21
  22 int
  23 pthread_attr_setsigmask_np (pthread_attr_t *attr, const sigset_t *sigmask)
  24 {
  25   int ret = __pthread_attr_setsigmask_internal (attr, sigmask);
  26   if (ret != 0)
  27     return ret;
  28
  29   /* Filter out internal signals.  */
  30   struct pthread_attr *iattr = (struct pthread_attr *) attr;
  31   clear_internal_signals (&iattr->extension->sigmask);
  32
  33   return 0;
  34 }