1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2016-2024 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 pthread_barrier_t barrier
;
28 child_sub_function (void)
30 volatile int dummy
= 0;
32 /* Dummy loop body to allow setting breakpoint. */
33 dummy
= !dummy
; /* thread loop line */
37 child_function (void *args
)
39 pthread_barrier_wait (&barrier
);
41 child_sub_function (); /* thread caller line */
50 pthread_t threads
[NUM_THREADS
];
52 /* Make the test exit eventually. */
55 /* Initialize the barrier, NUM_THREADS plus the main thread. */
56 pthread_barrier_init (&barrier
, NULL
, NUM_THREADS
+ 1);
58 for (i
= 0; i
< NUM_THREADS
; i
++)
59 pthread_create (&threads
[i
], NULL
, child_function
, NULL
);
61 pthread_barrier_wait (&barrier
);
63 volatile int dummy
= 0;
65 /* Dummy loop body to allow setting breakpoint. */
66 dummy
= !dummy
; /* main break line */