fist_umount.c

来自「Solaris操作系统下的过滤驱动程序, C源码程序.」· C语言 代码 · 共 33 行

/*
 * Copyright (c) 1997-2003 Erez Zadok
 * Copyright (c) 2001-2003 Stony Brook University
 * Copyright (c) 1997-2000 Columbia University
 *
 * For specific licensing information, see the COPYING file distributed with
 * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
 *
 * This Copyright notice must be kept intact and distributed with all
 * fistgen sources INCLUDING sources generated by fistgen.
 */
#include <sys/mount.h>
#include <sys/mntent.h>
#include <stdio.h>

int main(int argc, char **argv)
{
  int err = 0;

  /* validate input */
  if (argc != 2) {
    fprintf(stderr, "Usage: %s [mount_point]\n",
	    argv[0]);
    exit(1);
  }

  err = umount(argv[1]);
  if (err < 0) {
    perror(argv[0]);
  }
  exit(err);
}