1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2009-2014 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/>. */
23 static const char *image
;
24 static volatile pthread_t main_thread
;
25 static pthread_barrier_t barrier
;
26 static char *argv1
= "go away";
29 thread_execler (void *arg
)
33 pthread_barrier_wait (&barrier
);
35 i
= pthread_join (main_thread
, NULL
);
38 /* Exec ourselves again. */
39 if (execl (image
, image
, argv1
, NULL
) == -1) /* break-here */
53 pthread_barrier_wait (&barrier
);
55 for (i
= 1; i
> 0; i
++)
63 pthread_t loop_thread
[THREADS
];
66 main (int argc
, char **argv
)
73 /* Pass "inf" as argument to keep re-execing ad infinitum, which can
74 be useful for manual testing. Passing any other argument exits
75 immediately (and that's what the execl above does by
77 if (argc
== 2 && strcmp (argv
[1], "inf") == 0)
82 main_thread
= pthread_self ();
84 pthread_barrier_init (&barrier
, NULL
, 2 + THREADS
);
86 i
= pthread_create (&thread
, NULL
, thread_execler
, NULL
);
89 for (t
= 0; t
< THREADS
; t
++)
91 i
= pthread_create (&loop_thread
[t
], NULL
, just_loop
, NULL
);
95 pthread_barrier_wait (&barrier
);