1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2009-2022 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 pthread_barrier_t barrier;
26 pthread_t child_thread_2, child_thread_3;
29 sigusr1_handler (int signo)
39 child_function_3 (void *arg)
41 int my_number = (long) arg;
42 volatile int *myp = (int *) &args[my_number];
44 pthread_barrier_wait (&barrier);
49 callme (); /* set breakpoint thread 3 here */
56 child_function_2 (void *arg)
58 int my_number = (long) arg;
59 volatile int *myp = (int *) &args[my_number];
61 pthread_barrier_wait (&barrier);
66 callme (); /* set breakpoint thread 2 here */
75 return 1; /* in wait_threads */
84 signal (SIGUSR1, sigusr1_handler);
86 /* Call these early so that PLTs for these are resolved soon,
87 instead of in the threads. RTLD_NOW should work as well. */
89 pthread_barrier_init (&barrier, NULL, 1);
90 pthread_barrier_wait (&barrier);
92 pthread_barrier_init (&barrier, NULL, 2);
96 res = pthread_create (&child_thread_2,
97 NULL, child_function_2, (void *) i);
98 pthread_barrier_wait (&barrier);
103 res = pthread_create (&child_thread_3,
104 NULL, child_function_3, (void *) i);
105 pthread_barrier_wait (&barrier);
106 wait_threads (); /* set wait-threads breakpoint here */
108 pthread_join (child_thread_2, NULL);
109 pthread_join (child_thread_3, NULL);