signal/libc_sigaction.c

   1 /* Internal sigaction definitions.
   2    Copyright (C) 2021-2023 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 <errno.h>
  20 #include <signal.h>
  21
  22 /* If ACT is not NULL, change the action for SIG to *ACT.
  23    If OACT is not NULL, put the old action for SIG in *OACT.  */
  24 int
  25 __libc_sigaction (int sig, const struct sigaction *act,
  26                   struct sigaction *oact)
  27 {
  28   __set_errno (ENOSYS);
  29   return -1;
  30 }
  31 stub_warning (libc_sigaction)
  32 libc_hidden_def (__libc_sigaction)