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/* This testcase is part of GDB, the GNU debugger.
Copyright 2021-2024 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 <stdlib.h>
#include <pthread.h>
#include <unistd.h>
volatile int worker_blocked = 1;
volatile int main_blocked = 1;
void
unlock_worker (void)
{
worker_blocked = 0;
}
void
unlock_main (void)
{
main_blocked = 0;
}
void
breakpt (void)
{
/* Nothing. */
}
static void *
worker (void *data)
{
unlock_main ();
while (worker_blocked)
;
breakpt ();
return NULL;
}
int
main (void)
{
pthread_t thr;
void *retval;
/* Ensure the test doesn't run forever. */
alarm (99);
if (pthread_create (&thr, NULL, worker, NULL) != 0)
abort ();
while (main_blocked)
;
unlock_worker ();
if (pthread_join (thr, &retval) != 0)
abort ();
return 0;
}
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