xsysconf: Only fail on error results and errno set

[thirdparty/glibc.git] / support / xsigaction.c

/* Error-checking wrapper for sigaction.
   Copyright (C) 2017-2021 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <support/check.h>
#include <support/xsignal.h>

void
xsigaction (int sig, const struct sigaction *newact, struct sigaction *oldact)
{
  if (sigaction (sig, newact, oldact))
    FAIL_EXIT1 ("sigaction (%d): %m" , sig);
}