/* Run a function in a subprocess.

   Copyright (C) 2017-2018 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

   <http://www.gnu.org/licenses/>.  */

#include <support/check.h>

#include <support/xunistd.h>

void

support_isolate_in_subprocess (void (*callback) (void *), void *closure)

{

  pid_t pid = xfork ();

  if (pid == 0)

    {

      /* Child process.  */

      callback (closure);

      _exit (0);

    }

  /* Parent process.  */

  int status;

  xwaitpid (pid, &status, 0);

  if (status != 0)

    FAIL_EXIT1 ("child process exited with status %d", status);

}