robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2002 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* 06/30/2001 Port to Linux nsharoff@us.ibm.com */ |
| 21 | /* 10/30/2002 Port to LTP dbarrera@us.ibm.com */ |
| 22 | |
| 23 | /* |
| 24 | * NAME |
| 25 | * mkdir.c - Stress test of mkdir call. |
| 26 | * |
| 27 | * CALLS |
| 28 | * mkdir, rmdir |
| 29 | * |
| 30 | * ALGORITHM |
| 31 | * Create multiple processes which create subdirectories in the |
| 32 | * same directory multiple times. On exit of all child processes, |
| 33 | * make sure all subdirectories can be removed. |
| 34 | * |
| 35 | * USAGE: mkdir09 -c # -t # -d # |
| 36 | * -c = number of children groups |
| 37 | * -t = number of seconds to run test |
| 38 | * -d = number of directories created in test directory |
| 39 | * |
| 40 | * RESTRICTIONS |
| 41 | * |
| 42 | */ |
| 43 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 44 | #include <stdio.h> /* needed by testhead.h */ |
| 45 | #include <wait.h> /* needed by testhead.h */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 46 | #include <sys/types.h> |
| 47 | #include <sys/param.h> |
| 48 | #include <sys/stat.h> |
| 49 | #include <sys/mman.h> |
| 50 | #include <errno.h> |
| 51 | #include <signal.h> |
| 52 | #include <unistd.h> |
| 53 | #include <setjmp.h> |
| 54 | #include "test.h" |
| 55 | #include "usctest.h" |
| 56 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 57 | #include <stdlib.h> |
Garrett Cooper | bacc849 | 2011-01-14 00:36:17 -0800 | [diff] [blame] | 58 | #include <stdlib.h> |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 59 | #include <string.h> |
| 60 | |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 61 | #define NCHILD 3 |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 62 | |
| 63 | #define MODE_RWX 07770 |
| 64 | #define DIR_NAME "./X.%d" |
| 65 | |
| 66 | /* used by getopt */ |
| 67 | extern char *optarg; |
| 68 | extern int optind, opterr; |
| 69 | char *goodopts = "c:t:d:"; |
| 70 | int errflg; |
| 71 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 72 | /* |
| 73 | * * These globals must be defined in the test. |
| 74 | * */ |
| 75 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame^] | 76 | char *TCID = "mkdir09"; |
| 77 | int TST_TOTAL = 1; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 78 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 79 | int exp_enos[] = { EFAULT, 0 }; /* List must end with 0 */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 80 | |
| 81 | int child_groups, test_time, nfiles; |
| 82 | char testdir[MAXPATHLEN]; |
| 83 | int parent_pid, sigchld, sigterm, jump; |
| 84 | void term(); |
| 85 | void chld(); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 86 | int *pidlist, child_count; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 87 | jmp_buf env_buf; |
| 88 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 89 | int getchild(int group, int child, int children); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 90 | int dochild1(); |
| 91 | int dochild2(); |
| 92 | int dochild3(int group); |
| 93 | int massmurder(); |
| 94 | int runtest(); |
| 95 | void setup(); |
| 96 | void cleanup(); |
| 97 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 98 | #ifdef UCLINUX |
| 99 | static char *argv0; |
| 100 | void dochild1_uclinux(); |
| 101 | void dochild2_uclinux(); |
| 102 | void dochild3_uclinux(); |
| 103 | static int group_uclinux; |
| 104 | #endif |
| 105 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 106 | /*--------------------------------------------------------------*/ |
| 107 | /*--------------------------------------------------------------*/ |
| 108 | /*--------------------------------------------------------------*/ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 109 | int main(argc, argv) |
| 110 | int argc; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 111 | char *argv[]; |
| 112 | { |
robbiew | e0cf2e2 | 2002-12-11 20:29:15 +0000 | [diff] [blame] | 113 | int c; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 114 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 115 | #ifdef UCLINUX |
| 116 | char *msg; |
| 117 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 118 | if ((msg = parse_opts(argc, argv, NULL, NULL)) != NULL) { |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 119 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| 120 | } |
| 121 | |
| 122 | argv0 = argv[0]; |
| 123 | maybe_run_child(&dochild1_uclinux, "nd", 1, &nfiles); |
| 124 | maybe_run_child(&dochild2_uclinux, "n", 2); |
| 125 | maybe_run_child(&dochild3_uclinux, "nd", 3, &group_uclinux); |
| 126 | #endif |
| 127 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 128 | setup(); |
| 129 | |
| 130 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 131 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 132 | tst_brkm(TFAIL, cleanup, |
| 133 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 134 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | /* Set up to catch SIGCLD signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 138 | if (signal(SIGCLD, chld) == SIG_ERR) { |
| 139 | tst_brkm(TFAIL, cleanup, |
| 140 | "Error setting up SIGCLD signal, ERRNO = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 141 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | /* Default argument settings. */ |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 145 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 146 | child_groups = 2; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 147 | test_time = 5; /* 0 = run forever or till signal */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 148 | nfiles = 5; |
| 149 | |
| 150 | /* Get command line options */ |
| 151 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 152 | while ((c = getopt(argc, argv, goodopts)) != EOF) { |
| 153 | switch (c) { |
| 154 | case 'c': |
| 155 | child_groups = atoi(optarg); |
| 156 | break; |
| 157 | case 't': |
| 158 | test_time = atoi(optarg); |
| 159 | break; |
| 160 | case 'd': |
| 161 | nfiles = atoi(optarg); |
| 162 | break; |
| 163 | case '?': |
| 164 | errflg++; |
| 165 | break; |
| 166 | default: |
| 167 | break; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 168 | } |
| 169 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 170 | if (errflg) { |
| 171 | tst_resm(TINFO, |
| 172 | "USAGE : mkdir09 -c #child_groups -t#test_time -d#directories"); |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 173 | tst_resm(TINFO, "Bad argument count."); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 174 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 175 | } |
| 176 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 177 | runtest(); |
| 178 | cleanup(); |
Garrett Cooper | 1e6f5a6 | 2010-12-19 09:58:10 -0800 | [diff] [blame] | 179 | tst_exit(); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 180 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 181 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 182 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 183 | /*--------------------------------------------------------------*/ |
| 184 | |
| 185 | int runtest() |
| 186 | { |
| 187 | int i, j; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 188 | int count, child, status; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 189 | char tmpdir[MAXPATHLEN]; |
| 190 | |
| 191 | /* Create permanent directories with holes in directory structure */ |
| 192 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 193 | for (j = 0; j < nfiles; j++) { |
| 194 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 195 | TEST(mkdir(tmpdir, MODE_RWX)); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 196 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 197 | if (TEST_RETURN < 0) { |
| 198 | tst_brkm(TFAIL, cleanup, |
| 199 | "Error creating permanent directories, ERRNO = %d", |
| 200 | TEST_ERRNO); |
| 201 | tst_exit(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 202 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 203 | if ((j % NCHILD) != 0) { |
| 204 | if (rmdir(tmpdir) < 0) { |
| 205 | tst_brkm(TFAIL, cleanup, |
| 206 | "Error removing directory, ERRNO = %d", |
| 207 | errno); |
| 208 | tst_exit(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 209 | } |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | parent_pid = getpid(); |
| 214 | |
| 215 | /* allocate space for list of child pid's */ |
| 216 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 217 | if ((pidlist = |
| 218 | (int *)malloc((child_groups * NCHILD) * sizeof(int))) == |
| 219 | (int *)0) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 220 | tst_resm(TWARN, "\tMalloc failed (may be OK if under stress)"); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 221 | tst_exit(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | child_count = 0; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 225 | for (j = 0; j < child_groups; j++) { |
| 226 | for (i = 0; i < NCHILD; i++) { |
| 227 | getchild(j, i, child_count); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 228 | child_count++; |
| 229 | } |
| 230 | } |
| 231 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 232 | /* If signal already received, skip to cleanup */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 233 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 234 | if (!sigchld && !sigterm) { |
| 235 | if (test_time) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 236 | /* To get out of sleep if signal caught */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 237 | if (!setjmp(env_buf)) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 238 | jump++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 239 | sleep(test_time); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 240 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 241 | } else { |
| 242 | pause(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 243 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 244 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 245 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 246 | /* Reset signals since we are about to clean-up and to avoid |
| 247 | * problem with wait call * $ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 248 | * */ |
| 249 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 250 | if (signal(SIGTERM, SIG_IGN) == SIG_ERR) { |
| 251 | tst_brkm(TFAIL, cleanup, |
| 252 | "Error resetting SIGTERM signal, ERRNO = %d", errno); |
| 253 | tst_exit(); |
| 254 | } |
| 255 | if (signal(SIGCLD, SIG_DFL) == SIG_ERR) { |
| 256 | tst_brkm(TFAIL, cleanup, |
| 257 | "Error resetting SIGCLD signal, ERRNO = %d", errno); |
| 258 | tst_exit(); |
| 259 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 260 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 261 | if (test_time) { |
| 262 | sleep(test_time); |
| 263 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 264 | |
| 265 | /* Clean up children */ |
| 266 | massmurder(); |
| 267 | /* |
| 268 | * Watch children finish and show returns. |
| 269 | */ |
| 270 | |
| 271 | count = 0; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 272 | while (1) { |
| 273 | if ((child = wait(&status)) > 0) { |
| 274 | if (status != 0) { |
| 275 | tst_resm(TWARN, |
| 276 | "\tChild{%d} exited status = %0x", |
| 277 | child, status); |
| 278 | tst_exit(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 279 | } |
| 280 | count++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 281 | } else { |
| 282 | if (errno != EINTR) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 283 | break; |
| 284 | } |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 285 | tst_resm(TINFO, "\tSignal detected during wait"); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * Make sure correct number of children exited. |
| 291 | */ |
| 292 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 293 | if (count != child_count) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 294 | tst_resm(TWARN, "\tWrong number of children waited on!"); |
| 295 | tst_resm(TWARN, "\tSaw %d, expected %d", count, NCHILD); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 296 | tst_exit(); |
| 297 | } |
| 298 | |
| 299 | /* Check for core file in test directory. */ |
| 300 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 301 | if (access("core", 0) == 0) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 302 | tst_resm(TWARN, "\tCore file found in test directory."); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 303 | tst_exit(); |
| 304 | } |
| 305 | |
| 306 | /* Remove expected files */ |
| 307 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 308 | for (j = 0; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 309 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 310 | if (rmdir(tmpdir) < 0) { |
| 311 | tst_resm(TWARN, |
| 312 | "\tError removing expected directory, ERRNO = %d", |
| 313 | errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 314 | tst_exit(); |
| 315 | } |
| 316 | } |
| 317 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 318 | tst_resm(TPASS, "PASS"); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 319 | |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 320 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | int getchild(group, child, children) |
| 324 | int group, child, children; |
| 325 | { |
| 326 | int pid; |
| 327 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 328 | pid = FORK_OR_VFORK(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 329 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 330 | if (pid < 0) { |
| 331 | |
| 332 | massmurder(); /* kill the kids */ |
| 333 | tst_brkm(TBROK, cleanup, |
| 334 | "\tFork failed (may be OK if under stress)"); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 335 | tst_exit(); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 336 | } else if (pid == 0) { /* child does this */ |
| 337 | switch (children % NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 338 | case 0: |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 339 | #ifdef UCLINUX |
| 340 | if (self_exec(argv0, "nd", 1, nfiles) < 0) { |
| 341 | massmurder(); |
| 342 | tst_brkm(TBROK, cleanup, "\tself_exec failed"); |
| 343 | tst_exit(); |
| 344 | } |
| 345 | #else |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 346 | dochild1(); /* create existing directories */ |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 347 | #endif |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 348 | break; /* so lint won't complain */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 349 | case 1: |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 350 | #ifdef UCLINUX |
| 351 | if (self_exec(argv0, "n", 2) < 0) { |
| 352 | massmurder(); |
| 353 | tst_brkm(TBROK, cleanup, "\tself_exec failed"); |
| 354 | tst_exit(); |
| 355 | } |
| 356 | #else |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 357 | dochild2(); /* remove nonexistant directories */ |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 358 | #endif |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 359 | break; |
| 360 | case 2: |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 361 | #ifdef UCLINUX |
| 362 | if (self_exec(argv0, "nd", 3, group) < 0) { |
| 363 | massmurder(); |
| 364 | tst_brkm(TBROK, cleanup, "\tself_exec failed"); |
| 365 | tst_exit(); |
| 366 | } |
| 367 | #else |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 368 | dochild3(group); /* create/delete directories */ |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 369 | #endif |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 370 | break; |
| 371 | default: |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 372 | tst_brkm(TFAIL, cleanup, |
| 373 | "Test not inplemented for child %d", child); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 374 | exit(1); |
| 375 | break; |
| 376 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 377 | exit(1); /* If child gets here, something wrong */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 378 | } |
| 379 | pidlist[children] = pid; |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 380 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | void term() |
| 384 | { |
| 385 | /* Routine to handle SIGTERM signal. */ |
| 386 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 387 | if (parent_pid == getpid()) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 388 | tst_resm(TWARN, "\tsignal SIGTERM received by parent."); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 389 | tst_exit(); |
| 390 | } |
| 391 | sigterm++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 392 | if (jump) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 393 | longjmp(env_buf, 1); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | void chld() |
| 398 | { |
| 399 | /* Routine to handle SIGCLD signal. */ |
| 400 | |
| 401 | sigchld++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 402 | if (jump) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 403 | longjmp(env_buf, 1); |
| 404 | } |
| 405 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 406 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 407 | int dochild1() |
| 408 | { |
| 409 | /* Child routine which attempts to create directories in the test |
| 410 | * directory that already exist. Runs until a SIGTERM signal is |
| 411 | * received. Will exit with an error if it is able to create the |
| 412 | * directory or if the expected error is not received. |
| 413 | */ |
| 414 | |
| 415 | int j; |
| 416 | char tmpdir[MAXPATHLEN]; |
| 417 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 418 | while (!sigterm) { |
| 419 | for (j = 0; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 420 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 421 | TEST(mkdir(tmpdir, MODE_RWX)); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 422 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 423 | if (TEST_RETURN < 0) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 424 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 425 | if (TEST_ERRNO != EEXIST) { |
| 426 | tst_brkm(TFAIL, cleanup, |
| 427 | "MKDIR %s, errno = %d; Wrong error detected.", |
| 428 | tmpdir, TEST_ERRNO); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 429 | exit(1); |
| 430 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 431 | } else { |
| 432 | tst_brkm(TFAIL, cleanup, |
| 433 | "MKDIR %s succeded when it shoud have failed.", |
| 434 | tmpdir); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 435 | exit(1); |
| 436 | } |
| 437 | } |
| 438 | } |
| 439 | exit(0); |
| 440 | } |
| 441 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 442 | #ifdef UCLINUX |
| 443 | void dochild1_uclinux() |
| 444 | { |
| 445 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 446 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 447 | tst_brkm(TFAIL, cleanup, |
| 448 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
| 449 | tst_exit(); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | dochild1(); |
| 453 | } |
| 454 | #endif |
| 455 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 456 | int dochild2() |
| 457 | { |
| 458 | /* Child routine which attempts to remove directories from the |
| 459 | * test directory which do not exist. Runs until a SIGTERM |
| 460 | * signal is received. Exits with an error if the proper |
| 461 | * error is not detected or if the remove operation is |
| 462 | * successful. |
| 463 | */ |
| 464 | |
| 465 | int j; |
| 466 | char tmpdir[MAXPATHLEN]; |
| 467 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 468 | while (!sigterm) { |
| 469 | for (j = 1; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 470 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 471 | if (rmdir(tmpdir) < 0) { |
| 472 | if (errno != ENOENT) { |
| 473 | tst_brkm(TFAIL, cleanup, |
| 474 | "RMDIR %s, errno = %d; Wrong error detected.", |
| 475 | tmpdir, errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 476 | exit(1); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 477 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 478 | } else { |
| 479 | tst_brkm(TFAIL, cleanup, |
| 480 | "RMDIR %s succeded when it should have failed.", |
| 481 | tmpdir); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 482 | exit(1); |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | exit(0); |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 487 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 488 | } |
| 489 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 490 | #ifdef UCLINUX |
| 491 | void dochild2_uclinux() |
| 492 | { |
| 493 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 494 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 495 | tst_brkm(TFAIL, cleanup, |
| 496 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
| 497 | tst_exit(); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | dochild2(); |
| 501 | } |
| 502 | #endif |
| 503 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 504 | int dochild3(group) |
| 505 | int group; |
| 506 | { |
| 507 | /* Child routine which creates and deletes directories in the |
| 508 | * test directory. Runs until a SIGTERM signal is received, then |
| 509 | * cleans up and exits. Detects error if the expected condition |
| 510 | * is not encountered. |
| 511 | */ |
| 512 | |
| 513 | int j; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 514 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 515 | char tmpdir[MAXPATHLEN]; |
| 516 | char tmp[MAXPATHLEN]; |
| 517 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 518 | while (!sigterm) { |
| 519 | for (j = 2; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 520 | strcpy(tmp, DIR_NAME); |
| 521 | strcat(tmp, ".%d"); |
| 522 | sprintf(tmpdir, tmp, j, group); |
| 523 | |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 524 | TEST(mkdir(tmpdir, MODE_RWX)); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 525 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 526 | if (TEST_RETURN < 0) { |
| 527 | tst_brkm(TFAIL, cleanup, |
| 528 | "MKDIR %s, errno = %d; Wrong error detected.", |
| 529 | tmpdir, TEST_ERRNO); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 530 | exit(1); |
| 531 | } |
| 532 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 533 | for (j = 2; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 534 | strcpy(tmp, DIR_NAME); |
| 535 | strcat(tmp, ".%d"); |
| 536 | sprintf(tmpdir, tmp, j, group); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 537 | if (rmdir(tmpdir) < 0) { |
| 538 | tst_brkm(TFAIL, cleanup, |
| 539 | "RMDIR %s, errno = %d; Wrong error detected.", |
| 540 | tmpdir, errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 541 | exit(1); |
| 542 | } |
| 543 | } |
| 544 | } |
| 545 | exit(0); |
| 546 | } |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 547 | |
| 548 | #ifdef UCLINUX |
| 549 | void dochild3_uclinux() |
| 550 | { |
| 551 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 552 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 553 | tst_brkm(TFAIL, cleanup, |
| 554 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
| 555 | tst_exit(); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | dochild3(group_uclinux); |
| 559 | } |
| 560 | #endif |
| 561 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 562 | int massmurder() |
| 563 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 564 | register int j; |
| 565 | for (j = 0; j < child_count; j++) { |
| 566 | if (pidlist[j] > 0) { |
| 567 | if (kill(pidlist[j], SIGTERM) < 0) { |
| 568 | tst_brkm(TFAIL, cleanup, |
| 569 | "Error killing child %d, ERRNO = %d", |
| 570 | j, errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 571 | tst_exit(); |
| 572 | } |
| 573 | } |
| 574 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 575 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 576 | } |
| 577 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 578 | /*************************************************************** |
| 579 | * * setup() - performs all ONE TIME setup for this test. |
| 580 | * ***************************************************************/ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 581 | void setup() |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 582 | { |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 583 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 584 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 585 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 586 | TEST_PAUSE; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 587 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 588 | /* Create a temporary directory and make it current. */ |
| 589 | tst_tmpdir(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 590 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 591 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 592 | |
| 593 | /*************************************************************** |
| 594 | * * cleanup() - performs all ONE TIME cleanup for this test at |
| 595 | * * completion or premature exit. |
| 596 | * ***************************************************************/ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 597 | void cleanup() |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 598 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 599 | /* |
| 600 | * * print timing stats if that option was specified. |
| 601 | * * print errno log if that option was specified. |
| 602 | * */ |
| 603 | TEST_CLEANUP; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 604 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 605 | /* |
| 606 | * * Remove the temporary directory. |
| 607 | * */ |
| 608 | tst_rmdir(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 609 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 610 | /* |
| 611 | * * Exit with return code appropriate for results. |
| 612 | * */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 613 | |
Garrett Cooper | bacc849 | 2011-01-14 00:36:17 -0800 | [diff] [blame] | 614 | } |