73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2009-2015 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 <pthread.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
static const char *image;
|
|
static volatile pthread_t main_thread;
|
|
static char *argv1 = "go away";
|
|
|
|
static void *
|
|
thread_execler (void *arg)
|
|
{
|
|
int i;
|
|
|
|
i = pthread_join (main_thread, NULL);
|
|
assert (i == 0);
|
|
|
|
/* Exec ourselves again. */
|
|
if (execl (image, image, argv1, NULL) == -1) /* break-here */
|
|
{
|
|
perror ("execl");
|
|
abort ();
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
pthread_t thread;
|
|
int i;
|
|
|
|
image = argv[0];
|
|
|
|
/* Pass "inf" as argument to keep re-execing ad infinitum, which can
|
|
be useful for manual testing. Passing any other argument exits
|
|
immediately (and that's what the execl above does by
|
|
default). */
|
|
if (argc == 2 && strcmp (argv[1], "inf") == 0)
|
|
argv1 = argv[1];
|
|
else if (argc > 1)
|
|
exit (0);
|
|
|
|
main_thread = pthread_self ();
|
|
|
|
i = pthread_create (&thread, NULL, thread_execler, NULL);
|
|
assert (i == 0);
|
|
|
|
pthread_exit (NULL);
|
|
/* NOTREACHED */
|
|
return 0;
|
|
}
|