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/* This testcase is part of GDB, the GNU debugger.
Copyright 2014-2017 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 <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
#include <signal.h>
pthread_barrier_t barrier;
void
handler (int sig)
{
}
void *
thread_function (void *arg)
{
pthread_barrier_wait (&barrier);
while (1)
usleep (1);
}
int
main (void)
{
pthread_t child_thread[2];
int i;
signal (SIGUSR1, handler);
pthread_barrier_init (&barrier, NULL, 3);
for (i = 0; i < 2; i++)
pthread_create (&child_thread[i], NULL, thread_function, NULL);
pthread_barrier_wait (&barrier);
pthread_kill (child_thread[0], SIGUSR1);
for (i = 0; i < 2; i++)
pthread_join (child_thread[i], NULL);
return 0;
}
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