#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <unistd.h>
#include <linux/cdrom.h>

int main(void) {
	int fd, capabilities, drive;
	char *cddrive = "/dev/cdrom";

	while (1) {
		printf("Opening %s\n", cddrive);
		fd = open (cddrive, O_RDONLY | O_NONBLOCK);
		if (fd < 0) {
			printf("Error\n");
			return 1;
		}
		printf("Sleeping\n");
		sleep(1);
		printf("Closing %s\n", cddrive);
		close(fd);
		printf("Sleeping\n");
		sleep(1);
	}
	return 0;
}