ex.c

volatile int die=0;


void thread_func() {
	while (42) {
		do_something();
		do_anotherthing();
		if (die) {
			close(fd);
			return;
		}
	}
}

int main() {
	pthread_create(thread_func);
	pthread_create(thread_func);
	pthread_create(thread_func);
	

	wait_for_threads();
}
volatile int die=0;


void thread_func() {
	while (42) {
		do_something();
		do_anotherthing();
		if (die) {
			close(fd);
			return;
		}
	}
}

int main() {
	pthread_create(thread_func);
	pthread_create(thread_func);
	pthread_create(thread_func);
	

	wait_for_threads();
	return die;
}