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/* This testcase is part of GDB, the GNU debugger.
Copyright 2016-2020 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 <pthread.h>
#include <unistd.h>
#include <stdlib.h>
#define NUM_THREADS 20
const int num_threads = NUM_THREADS;
static pthread_t child_thread[NUM_THREADS];
static pthread_barrier_t threads_started_barrier;
volatile int always_zero;
volatile unsigned int dummy;
static void
infinite_loop (void)
{
while (1)
{
dummy++; /* set breakpoint here */
}
}
static void *
child_function (void *arg)
{
pthread_barrier_wait (&threads_started_barrier);
infinite_loop ();
}
void
all_started (void)
{
}
int
main (void)
{
int res;
int i;
alarm (300);
pthread_barrier_init (&threads_started_barrier, NULL, NUM_THREADS + 1);
for (i = 0; i < NUM_THREADS; i++)
{
res = pthread_create (&child_thread[i], NULL, child_function, NULL);
}
/* Wait until all threads have been scheduled. */
pthread_barrier_wait (&threads_started_barrier);
all_started ();
infinite_loop ();
}
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