code.delx.au - gnu-emacs/blob - lib/pthread_sigmask.c

   1 /* POSIX compatible signal blocking for threads.
   2    Copyright (C) 2011 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 /* Specification.  */
  20 #include <signal.h>
  21
  22 #include <errno.h>
  23
  24 int
  25 pthread_sigmask (int how, const sigset_t *new_mask, sigset_t *old_mask)
  26 {
  27   int ret = sigprocmask (how, new_mask, old_mask);
  28   return (ret < 0 ? errno : 0);
  29 }