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/* This testcase is part of GDB, the GNU debugger.
Copyright 2021 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 <unistd.h>
#include <pthread.h>
#include <assert.h>
#define NUM_THREADS 4
static pthread_barrier_t barrier;
static void *
thread_function (void *arg)
{
pthread_barrier_wait (&barrier);
for (int i = 0; i < 30; i++)
sleep (1);
return NULL;
}
static void
all_threads_started (void)
{}
int
main (void)
{
pthread_t threads[NUM_THREADS];
pthread_barrier_init (&barrier, NULL, NUM_THREADS + 1);
for (int i = 0; i < NUM_THREADS; i++)
{
int res = pthread_create (&threads[i], NULL, thread_function, NULL);
assert (res == 0);
}
pthread_barrier_wait (&barrier);
all_threads_started ();
for (int i = 0; i < NUM_THREADS; i++)
{
int res = pthread_join (threads[i], NULL);
assert (res == 0);
}
return 0;
}
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