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 } 49
