1 /* 2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 31 * 32 */ 33 /* $Id: readdir01.c,v 1.7 2009/03/23 13:36:01 subrata_modak Exp $ */ 34 /********************************************************** 35 * 36 * OS Test - Silicon Graphics, Inc. 37 * 38 * TEST IDENTIFIER : readdir01 39 * 40 * EXECUTED BY : anyone 41 * 42 * TEST TITLE : write multiple files and try to find them with readdir 43 * 44 * TEST CASE TOTAL : 45 * 46 * WALL CLOCK TIME : 47 * 48 * CPU TYPES : ALL 49 * 50 * AUTHOR : Nate Straz 51 * 52 * CO-PILOT : 53 * 54 * DATE STARTED : 02/16/2001 55 * 56 * INITIAL RELEASE : Linux 2.4.x 57 * 58 * TEST CASES 59 * 60 * 1.) Create n files and check that readdir() finds n files 61 * 62 * INPUT SPECIFICATIONS 63 * The standard options for system call tests are accepted. 64 * (See the parse_opts(3) man page). 65 * 66 * OUTPUT SPECIFICATIONS 67 *$ 68 * DURATION 69 * Terminates - with frequency and infinite modes. 70 * 71 * SIGNALS 72 * Uses SIGUSR1 to pause before test if option set. 73 * (See the parse_opts(3) man page). 74 * 75 * RESOURCES 76 * None 77 * 78 * ENVIRONMENTAL NEEDS 79 * No run-time environmental needs. 80 * 81 * SPECIAL PROCEDURAL REQUIREMENTS 82 * None 83 * 84 * INTERCASE DEPENDENCIES 85 * None 86 * 87 * DETAILED DESCRIPTION 88 * This is a Phase I test for the readdir(2) system call. It is intended 89 * to provide a limited exposure of the system call, for now. It 90 * should/will be extended when full functional tests are written for 91 * readdir(2). 92 * 93 * Setup: 94 * Setup signal handling. 95 * Pause for SIGUSR1 if option specified. 96 * 97 * Test: 98 * Loop if the proper options are given. 99 * Execute system call 100 * Check return code, if system call failed (return=-1) 101 * Log the errno and Issue a FAIL message. 102 * Otherwise, Issue a PASS message. 103 * 104 * Cleanup: 105 * Print errno log and/or timing stats if options given 106 * 107 * 108 *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ 109 110 #include <sys/types.h> 111 #include <sys/stat.h> 112 #include <fcntl.h> 113 #include <dirent.h> 114 #include <unistd.h> 115 #include <errno.h> 116 #include <string.h> 117 #include <signal.h> 118 #include "test.h" 119 120 /* The setup and cleanup functions are basic parts of a test case. These 121 * steps are usually put in separate functions for clarity. The help function 122 * is only needed when you are adding new command line options. 123 */ 124 void setup(); 125 void help(); 126 void cleanup(); 127 128 char *TCID = "readdir01"; 129 int TST_TOTAL = 2; 130 131 #define BASENAME "readdirfile" 132 133 char Basename[255]; 134 char Fname[255]; 135 int Nfiles = 0; 136 137 char *Nfilearg; 138 int Nflag = 0; 139 140 option_t options[] = { 141 {"N:", &Nflag, &Nfilearg}, /* -N #files */ 142 {NULL, NULL, NULL} 143 }; 144 145 /*********************************************************************** 146 * Main 147 ***********************************************************************/ 148 int main(int ac, char **av) 149 { 150 int lc; 151 int cnt; 152 int nfiles, fd; 153 char fname[255]; 154 DIR *test_dir; 155 struct dirent *dptr; 156 157 tst_parse_opts(ac, av, options, &help); 158 159 if (Nflag) { 160 if (sscanf(Nfilearg, "%i", &Nfiles) != 1) { 161 tst_brkm(TBROK, NULL, "--N option arg is not a number"); 162 } 163 } 164 165 /*************************************************************** 166 * perform global setup for test 167 ***************************************************************/ 168 /* Next you should run a setup routine to make sure your environment is 169 * sane. 170 */ 171 setup(); 172 173 /*************************************************************** 174 * check looping state 175 ***************************************************************/ 176 /* TEST_LOOPING() is a macro that will make sure the test continues 177 * looping according to the standard command line args. 178 */ 179 for (lc = 0; TEST_LOOPING(lc); lc++) { 180 181 tst_count = 0; 182 183 if (Nfiles) 184 nfiles = Nfiles; 185 else 186 /* min of 10 links and max of a 100 links */ 187 nfiles = (lc % 90) + 10; 188 189 /* create a bunch of files to look at */ 190 for (cnt = 0; cnt < nfiles; cnt++) { 191 192 sprintf(fname, "%s%d", Basename, cnt); 193 if ((fd = open(fname, O_RDWR | O_CREAT, 0700)) == -1) { 194 tst_brkm(TBROK, cleanup, 195 "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s", 196 fname, errno, strerror(errno)); 197 } else if (write(fd, "hello\n", 6) < 0) { 198 tst_brkm(TBROK, cleanup, 199 "write(%s, \"hello\\n\", 6) Failed, errno=%d : %s", 200 fname, errno, strerror(errno)); 201 } else if (close(fd) < 0) { 202 tst_resm(TWARN, 203 "close(%s) Failed, errno=%d : %s", 204 fname, errno, strerror(errno)); 205 } 206 } 207 208 if ((test_dir = opendir(".")) == NULL) { 209 tst_resm(TFAIL, "opendir(\".\") Failed, errno=%d : %s", 210 errno, strerror(errno)); 211 } else { 212 /* count the entries we find to see if any are missing */ 213 cnt = 0; 214 errno = 0; 215 while ((dptr = readdir(test_dir)) != 0) { 216 if (strcmp(dptr->d_name, ".") 217 && strcmp(dptr->d_name, "..")) 218 cnt++; 219 } 220 221 if (errno != 0) { 222 tst_resm(TFAIL, 223 "readir(test_dir) Failed on try %d, errno=%d : %s", 224 cnt + 1, errno, strerror(errno)); 225 } 226 if (cnt == nfiles) { 227 tst_resm(TPASS, 228 "found all %d that were created", 229 nfiles); 230 } else if (cnt > nfiles) { 231 tst_resm(TFAIL, 232 "found more files than were created"); 233 tst_resm(TINFO, "created: %d, found: %d", 234 nfiles, cnt); 235 } else { 236 tst_resm(TFAIL, 237 "found less files than were created"); 238 tst_resm(TINFO, "created: %d, found: %d", 239 nfiles, cnt); 240 } 241 } 242 243 /* Here we clean up after the test case so we can do another iteration. 244 */ 245 for (cnt = 0; cnt < nfiles; cnt++) { 246 247 sprintf(fname, "%s%d", Basename, cnt); 248 249 if (unlink(fname) == -1) { 250 tst_resm(TWARN, 251 "unlink(%s) Failed, errno=%d : %s", 252 Fname, errno, strerror(errno)); 253 } 254 } 255 256 } 257 258 /*************************************************************** 259 * cleanup and exit 260 ***************************************************************/ 261 cleanup(); 262 263 tst_exit(); 264 } 265 266 /*************************************************************** 267 * help 268 ***************************************************************/ 269 /* The custom help() function is really simple. Just write your help message to 270 * standard out. Your help function will be called after the standard options 271 * have been printed 272 */ 273 void help(void) 274 { 275 printf(" -N #files : create #files files every iteration\n"); 276 } 277 278 /*************************************************************** 279 * setup() - performs all ONE TIME setup for this test. 280 ***************************************************************/ 281 void setup(void) 282 { 283 /* You will want to enable some signal handling so you can capture 284 * unexpected signals like SIGSEGV. 285 */ 286 tst_sig(NOFORK, DEF_HANDLER, cleanup); 287 288 /* One cavet that hasn't been fixed yet. TEST_PAUSE contains the code to 289 * fork the test with the -c option. You want to make sure you do this 290 * before you create your temporary directory. 291 */ 292 TEST_PAUSE; 293 294 /* If you are doing any file work, you should use a temporary directory. We 295 * provide tst_tmpdir() which will create a uniquely named temporary 296 * directory and cd into it. You can now create files in the current 297 * directory without worrying. 298 */ 299 tst_tmpdir(); 300 301 sprintf(Basename, "%s_%d.", BASENAME, getpid()); 302 } 303 304 /*************************************************************** 305 * cleanup() - performs all ONE TIME cleanup for this test at 306 * completion or premature exit. 307 ***************************************************************/ 308 void cleanup(void) 309 { 310 311 /* If you use a temporary directory, you need to be sure you remove it. Use 312 * tst_rmdir() to do it automatically.$ 313 */ 314 tst_rmdir(); 315 316 } 317
