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/* This testcase is part of GDB, the GNU debugger.
Copyright 2019-2022 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <string.h>
#include <stdlib.h>
static char *program_name;
static void *
f (void *arg)
{
int res = vfork ();
if (res == -1)
{
perror ("vfork");
return NULL;
}
else if (res == 0)
{
/* Child. */
execl (program_name, program_name, "1", NULL);
perror ("exec");
abort ();
}
else
{
/* Parent. */
return NULL;
}
}
int
main (int argc, char **argv)
{
pthread_t tid;
if (argc > 1)
{
/* Getting here via execl. */
return 0;
}
program_name = argv[0];
pthread_create (&tid, NULL, f, NULL);
pthread_join (tid, NULL);
return 0;
}
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