about summary refs log blame commit diff
path: root/signal/sigdelset.c
blob: dc33550d552adac08847e19ebd0ca8b949e61c97 (plain) (tree)
1
2
3
4
5
6
7
8
                                                          
                                          
 


                                                                         
 


                                                                       
 


                                                                            



                        

                      

                                                 
                           



                                  
/* Copyright (C) 1991, 1996 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "sigsetops.h"

/* Add SIGNO to SET.  */
int
sigdelset (set, signo)
     sigset_t *set;
     int signo;
{
  if (set == NULL || signo <= 0 || signo >= NSIG)
    {
      __set_errno (EINVAL);
      return -1;
    }

  return __sigdelset (set, signo);
}