1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2009-2019 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 static const char *image;
26 static pthread_barrier_t barrier;
27 static char *argv1 = "go away";
30 thread_execler (void *arg)
34 pthread_barrier_wait (&barrier);
36 /* Exec ourselves again. */
37 if (execl (image, image, argv1, NULL) == -1) /* break-here */
51 pthread_barrier_wait (&barrier);
53 for (i = 1; i > 0; i++)
61 pthread_t loop_thread[THREADS];
64 main (int argc, char **argv)
71 /* Pass "inf" as argument to keep re-execing ad infinitum, which can
72 be useful for manual testing. Passing any other argument exits
73 immediately (and that's what the execl above does by
75 if (argc == 2 && strcmp (argv[1], "inf") == 0)
80 pthread_barrier_init (&barrier, NULL, 2 + THREADS);
82 i = pthread_create (&thread, NULL, thread_execler, NULL);
85 for (t = 0; t < THREADS; t++)
87 i = pthread_create (&loop_thread[t], NULL, just_loop, NULL);
91 pthread_barrier_wait (&barrier);
92 pthread_join (thread, NULL);