tests/progs/hold_inode.c

   1 /*
   2  * hold_inode.c --- test program which holds an inode or directory
   3  * open.
   4  *
   5  * Copyright (C) 2000 Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 #include "config.h"
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <dirent.h>
  17 #include <sys/types.h>
  18 #include <sys/stat.h>
  19 #include <fcntl.h>
  20
  21
  22 main(int argc, char **argv)
  23 {
  24         struct stat     statbuf;
  25         char *filename;
  26
  27         if (argc != 2) {
  28                 fprintf(stderr, "Usage: %s dir\n", argv[0]);
  29                 exit(1);
  30         }
  31         filename = argv[1];
  32         if (stat(filename, &statbuf) < 0) {
  33                 perror(filename);
  34                 exit(1);
  35         }
  36         if (S_ISDIR(statbuf.st_mode)) {
  37                 if (!opendir(filename)) {
  38                         perror(filename);
  39                         exit(1);
  40                 }
  41         } else {
  42                 if (open(filename, O_RDONLY) < 0) {
  43                         perror(filename);
  44                         exit(1);
  45                 }
  46         }
  47         sleep(30);
  48 }