sysdeps/stub/sigaction.c

   1 /* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library 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 GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <errno.h>
  21 #include <signal.h>
  22
  23
  24 /* If ACT is not NULL, change the action for SIG to *ACT.
  25    If OACT is not NULL, put the old action for SIG in *OACT.  */
  26 int
  27 DEFUN(__sigaction, (sig, act, oact),
  28       int sig AND CONST struct sigaction *act AND struct sigaction *OACT)
  29 {
  30   if (sig <= 0 || sig >= NSIG)
  31     {
  32       errno = EINVAL;
  33       return(-1);
  34     }
  35
  36   errno = ENOSYS;
  37   return(-1);
  38 }
  39 stub_warning (sigaction)
  40
  41 weak_alias (__sigaction, sigaction)