#include <pthread.h>
#include <linux/sched.h>
#include <unistd.h>
#include <stdio.h>

extern int unshare(int);

static void *
thread_main(void *arg)
{
#ifndef BEES
	if (unshare(CLONE_FILES) < 0) {
		perror("unshare");
	}
#endif
	if (close(1) < 0) {
		perror("close");
	}
	return arg;
}

int main() {
	pthread_t thr;
	pthread_create(&thr, 0, thread_main, 0);
	pthread_join(thr, 0);
	if (write(1, "Bees?\n", 6) != 6) {
		perror("write");
		return 1;
	}
	return 0;
}