/*
 * Copyright (C) Ingo Molnar, 2002
 */
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <linux/unistd.h>

#define __NR_sys_mark_dir_clean 274
_syscall1(int, sys_mark_dir_clean, int, fd);

#define O_DIRECTORY        0200000 /* must be a directory */

#define O_CLEAN        01000000 /* parent dir must be clean */

int main(int argc, char **argv)
{
	int fd, fd2, clean;

	fd = open(".", O_RDONLY | O_DIRECTORY);
	if (fd <= 0) {
		perror("fd:");
		exit(-1);
	}

	for (;;) {
		clean = sys_mark_dir_clean(fd);
		printf("clean:%d ", clean); fflush(stdout);
		sleep(1);
		fd2 = open("./1", O_CREAT|O_TRUNC|O_CLEAN, 0777);
		close(fd2);
		printf("fd:%d\n", fd2);
		sleep(1);
	}

	return 0;
}