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" |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 55 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 56 | #include <stdlib.h> |
Garrett Cooper | bacc849 | 2011-01-14 00:36:17 -0800 | [diff] [blame] | 57 | #include <stdlib.h> |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 58 | #include <string.h> |
| 59 | |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 60 | #define NCHILD 3 |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 61 | |
| 62 | #define MODE_RWX 07770 |
| 63 | #define DIR_NAME "./X.%d" |
| 64 | |
| 65 | /* used by getopt */ |
| 66 | extern char *optarg; |
| 67 | extern int optind, opterr; |
| 68 | char *goodopts = "c:t:d:"; |
| 69 | int errflg; |
| 70 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 71 | char *TCID = "mkdir09"; |
| 72 | int TST_TOTAL = 1; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 73 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 74 | int child_groups, test_time, nfiles; |
| 75 | char testdir[MAXPATHLEN]; |
| 76 | int parent_pid, sigchld, sigterm, jump; |
Mike Frysinger | e61ddba | 2014-04-09 23:24:32 -0400 | [diff] [blame] | 77 | void term(int sig); |
| 78 | void chld(int sig); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 79 | int *pidlist, child_count; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 80 | jmp_buf env_buf; |
| 81 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 82 | int getchild(int group, int child, int children); |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 83 | int dochild1(void); |
| 84 | int dochild2(void); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 85 | int dochild3(int group); |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 86 | int massmurder(void); |
| 87 | int runtest(void); |
| 88 | void setup(void); |
| 89 | void cleanup(void); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 90 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 91 | #ifdef UCLINUX |
| 92 | static char *argv0; |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 93 | void dochild1_uclinux(void); |
| 94 | void dochild2_uclinux(void); |
| 95 | void dochild3_uclinux(void); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 96 | static int group_uclinux; |
| 97 | #endif |
| 98 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 99 | /*--------------------------------------------------------------*/ |
| 100 | /*--------------------------------------------------------------*/ |
| 101 | /*--------------------------------------------------------------*/ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 102 | int main(int argc, char *argv[]) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 103 | { |
robbiew | e0cf2e2 | 2002-12-11 20:29:15 +0000 | [diff] [blame] | 104 | int c; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 105 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 106 | #ifdef UCLINUX |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 107 | const char *msg; |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 108 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 109 | if ((msg = parse_opts(argc, argv, NULL, NULL)) != NULL) { |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 110 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| 111 | } |
| 112 | |
| 113 | argv0 = argv[0]; |
| 114 | maybe_run_child(&dochild1_uclinux, "nd", 1, &nfiles); |
| 115 | maybe_run_child(&dochild2_uclinux, "n", 2); |
| 116 | maybe_run_child(&dochild3_uclinux, "nd", 3, &group_uclinux); |
| 117 | #endif |
| 118 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 119 | setup(); |
| 120 | |
| 121 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 122 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 123 | tst_brkm(TFAIL, cleanup, |
| 124 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 125 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | /* Set up to catch SIGCLD signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 129 | if (signal(SIGCLD, chld) == SIG_ERR) { |
| 130 | tst_brkm(TFAIL, cleanup, |
| 131 | "Error setting up SIGCLD signal, ERRNO = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 132 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 133 | } |
| 134 | |
| 135 | /* Default argument settings. */ |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 136 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 137 | child_groups = 2; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 138 | test_time = 5; /* 0 = run forever or till signal */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 139 | nfiles = 5; |
| 140 | |
| 141 | /* Get command line options */ |
| 142 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 143 | while ((c = getopt(argc, argv, goodopts)) != EOF) { |
| 144 | switch (c) { |
| 145 | case 'c': |
| 146 | child_groups = atoi(optarg); |
| 147 | break; |
| 148 | case 't': |
| 149 | test_time = atoi(optarg); |
| 150 | break; |
| 151 | case 'd': |
| 152 | nfiles = atoi(optarg); |
| 153 | break; |
| 154 | case '?': |
| 155 | errflg++; |
| 156 | break; |
| 157 | default: |
| 158 | break; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 159 | } |
| 160 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 161 | if (errflg) { |
| 162 | tst_resm(TINFO, |
| 163 | "USAGE : mkdir09 -c #child_groups -t#test_time -d#directories"); |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 164 | tst_resm(TINFO, "Bad argument count."); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 165 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 166 | } |
| 167 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 168 | runtest(); |
| 169 | cleanup(); |
Garrett Cooper | 1e6f5a6 | 2010-12-19 09:58:10 -0800 | [diff] [blame] | 170 | tst_exit(); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 171 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 172 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 173 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 174 | /*--------------------------------------------------------------*/ |
| 175 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 176 | int runtest(void) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 177 | { |
| 178 | int i, j; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 179 | int count, child, status; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 180 | char tmpdir[MAXPATHLEN]; |
| 181 | |
| 182 | /* Create permanent directories with holes in directory structure */ |
| 183 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 184 | for (j = 0; j < nfiles; j++) { |
| 185 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 186 | TEST(mkdir(tmpdir, MODE_RWX)); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 187 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 188 | if (TEST_RETURN < 0) { |
| 189 | tst_brkm(TFAIL, cleanup, |
| 190 | "Error creating permanent directories, ERRNO = %d", |
| 191 | TEST_ERRNO); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 192 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 193 | if ((j % NCHILD) != 0) { |
| 194 | if (rmdir(tmpdir) < 0) { |
| 195 | tst_brkm(TFAIL, cleanup, |
| 196 | "Error removing directory, ERRNO = %d", |
| 197 | errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 198 | } |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | parent_pid = getpid(); |
| 203 | |
| 204 | /* allocate space for list of child pid's */ |
| 205 | |
Cyril Hrubis | d218f34 | 2014-09-23 13:14:56 +0200 | [diff] [blame] | 206 | if ((pidlist = malloc((child_groups * NCHILD) * sizeof(int))) == |
Cyril Hrubis | 4e2bab8 | 2014-09-24 16:34:35 +0200 | [diff] [blame] | 207 | NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 208 | tst_brkm(TWARN, NULL, |
| 209 | "\tMalloc failed (may be OK if under stress)"); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | child_count = 0; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 213 | for (j = 0; j < child_groups; j++) { |
| 214 | for (i = 0; i < NCHILD; i++) { |
| 215 | getchild(j, i, child_count); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 216 | child_count++; |
| 217 | } |
| 218 | } |
| 219 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 220 | /* If signal already received, skip to cleanup */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 221 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 222 | if (!sigchld && !sigterm) { |
| 223 | if (test_time) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 224 | /* To get out of sleep if signal caught */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 225 | if (!setjmp(env_buf)) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 226 | jump++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 227 | sleep(test_time); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 228 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 229 | } else { |
| 230 | pause(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 231 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 232 | } |
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 | /* Reset signals since we are about to clean-up and to avoid |
| 235 | * problem with wait call * $ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 236 | * */ |
| 237 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 238 | if (signal(SIGTERM, SIG_IGN) == SIG_ERR) { |
| 239 | tst_brkm(TFAIL, cleanup, |
| 240 | "Error resetting SIGTERM signal, ERRNO = %d", errno); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 241 | } |
| 242 | if (signal(SIGCLD, SIG_DFL) == SIG_ERR) { |
| 243 | tst_brkm(TFAIL, cleanup, |
| 244 | "Error resetting SIGCLD signal, ERRNO = %d", errno); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 245 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 246 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 247 | if (test_time) { |
| 248 | sleep(test_time); |
| 249 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 250 | |
| 251 | /* Clean up children */ |
| 252 | massmurder(); |
| 253 | /* |
| 254 | * Watch children finish and show returns. |
| 255 | */ |
| 256 | |
| 257 | count = 0; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 258 | while (1) { |
| 259 | if ((child = wait(&status)) > 0) { |
| 260 | if (status != 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 261 | tst_brkm(TWARN, |
| 262 | NULL, |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 263 | "\tChild{%d} exited status = %0x", |
| 264 | child, status); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 265 | } |
| 266 | count++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 267 | } else { |
| 268 | if (errno != EINTR) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 269 | break; |
| 270 | } |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 271 | tst_resm(TINFO, "\tSignal detected during wait"); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 272 | } |
| 273 | } |
| 274 | |
| 275 | /* |
| 276 | * Make sure correct number of children exited. |
| 277 | */ |
| 278 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 279 | if (count != child_count) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 280 | tst_resm(TWARN, "\tWrong number of children waited on!"); |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 281 | tst_brkm(TWARN, NULL, "\tSaw %d, expected %d", count, |
| 282 | NCHILD); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | /* Check for core file in test directory. */ |
| 286 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 287 | if (access("core", 0) == 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 288 | tst_brkm(TWARN, NULL, "\tCore file found in test directory."); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | /* Remove expected files */ |
| 292 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 293 | for (j = 0; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 294 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 295 | if (rmdir(tmpdir) < 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 296 | tst_brkm(TWARN, |
| 297 | NULL, |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 298 | "\tError removing expected directory, ERRNO = %d", |
| 299 | errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 300 | } |
| 301 | } |
| 302 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 303 | tst_resm(TPASS, "PASS"); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 304 | |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 305 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 306 | } |
| 307 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 308 | int getchild(int group, int child, int children) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 309 | { |
| 310 | int pid; |
| 311 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 312 | pid = FORK_OR_VFORK(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 313 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 314 | if (pid < 0) { |
| 315 | |
| 316 | massmurder(); /* kill the kids */ |
| 317 | tst_brkm(TBROK, cleanup, |
| 318 | "\tFork failed (may be OK if under stress)"); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 319 | } else if (pid == 0) { /* child does this */ |
| 320 | switch (children % NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 321 | case 0: |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 322 | #ifdef UCLINUX |
| 323 | if (self_exec(argv0, "nd", 1, nfiles) < 0) { |
| 324 | massmurder(); |
| 325 | tst_brkm(TBROK, cleanup, "\tself_exec failed"); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 326 | } |
| 327 | #else |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 328 | dochild1(); /* create existing directories */ |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 329 | #endif |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 330 | break; /* so lint won't complain */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 331 | case 1: |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 332 | #ifdef UCLINUX |
| 333 | if (self_exec(argv0, "n", 2) < 0) { |
| 334 | massmurder(); |
| 335 | tst_brkm(TBROK, cleanup, "\tself_exec failed"); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 336 | } |
| 337 | #else |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 338 | dochild2(); /* remove nonexistant directories */ |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 339 | #endif |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 340 | break; |
| 341 | case 2: |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 342 | #ifdef UCLINUX |
| 343 | if (self_exec(argv0, "nd", 3, group) < 0) { |
| 344 | massmurder(); |
| 345 | tst_brkm(TBROK, cleanup, "\tself_exec failed"); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 346 | } |
| 347 | #else |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 348 | dochild3(group); /* create/delete directories */ |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 349 | #endif |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 350 | break; |
| 351 | default: |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 352 | tst_brkm(TFAIL, cleanup, |
| 353 | "Test not inplemented for child %d", child); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 354 | exit(1); |
| 355 | break; |
| 356 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 357 | exit(1); /* If child gets here, something wrong */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 358 | } |
| 359 | pidlist[children] = pid; |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 360 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 361 | } |
| 362 | |
Mike Frysinger | e61ddba | 2014-04-09 23:24:32 -0400 | [diff] [blame] | 363 | void term(int sig) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 364 | { |
| 365 | /* Routine to handle SIGTERM signal. */ |
| 366 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 367 | if (parent_pid == getpid()) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 368 | tst_brkm(TWARN, NULL, "\tsignal SIGTERM received by parent."); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 369 | } |
| 370 | sigterm++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 371 | if (jump) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 372 | longjmp(env_buf, 1); |
| 373 | } |
| 374 | } |
| 375 | |
Mike Frysinger | e61ddba | 2014-04-09 23:24:32 -0400 | [diff] [blame] | 376 | void chld(int sig) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 377 | { |
| 378 | /* Routine to handle SIGCLD signal. */ |
| 379 | |
| 380 | sigchld++; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 381 | if (jump) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 382 | longjmp(env_buf, 1); |
| 383 | } |
| 384 | } |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 385 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 386 | int dochild1(void) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 387 | { |
| 388 | /* Child routine which attempts to create directories in the test |
| 389 | * directory that already exist. Runs until a SIGTERM signal is |
| 390 | * received. Will exit with an error if it is able to create the |
| 391 | * directory or if the expected error is not received. |
| 392 | */ |
| 393 | |
| 394 | int j; |
| 395 | char tmpdir[MAXPATHLEN]; |
| 396 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 397 | while (!sigterm) { |
| 398 | for (j = 0; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 399 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 400 | TEST(mkdir(tmpdir, MODE_RWX)); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 401 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 402 | if (TEST_RETURN < 0) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 403 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 404 | if (TEST_ERRNO != EEXIST) { |
| 405 | tst_brkm(TFAIL, cleanup, |
| 406 | "MKDIR %s, errno = %d; Wrong error detected.", |
| 407 | tmpdir, TEST_ERRNO); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 408 | exit(1); |
| 409 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 410 | } else { |
| 411 | tst_brkm(TFAIL, cleanup, |
| 412 | "MKDIR %s succeded when it shoud have failed.", |
| 413 | tmpdir); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 414 | exit(1); |
| 415 | } |
| 416 | } |
| 417 | } |
| 418 | exit(0); |
| 419 | } |
| 420 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 421 | #ifdef UCLINUX |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 422 | void dochild1_uclinux(void) |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 423 | { |
| 424 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 425 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 426 | tst_brkm(TFAIL, cleanup, |
| 427 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | dochild1(); |
| 431 | } |
| 432 | #endif |
| 433 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 434 | int dochild2(void) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 435 | { |
| 436 | /* Child routine which attempts to remove directories from the |
| 437 | * test directory which do not exist. Runs until a SIGTERM |
| 438 | * signal is received. Exits with an error if the proper |
| 439 | * error is not detected or if the remove operation is |
| 440 | * successful. |
| 441 | */ |
| 442 | |
| 443 | int j; |
| 444 | char tmpdir[MAXPATHLEN]; |
| 445 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 446 | while (!sigterm) { |
| 447 | for (j = 1; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 448 | sprintf(tmpdir, DIR_NAME, j); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 449 | if (rmdir(tmpdir) < 0) { |
| 450 | if (errno != ENOENT) { |
| 451 | tst_brkm(TFAIL, cleanup, |
| 452 | "RMDIR %s, errno = %d; Wrong error detected.", |
| 453 | tmpdir, errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 454 | exit(1); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 455 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 456 | } else { |
| 457 | tst_brkm(TFAIL, cleanup, |
| 458 | "RMDIR %s succeded when it should have failed.", |
| 459 | tmpdir); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 460 | exit(1); |
| 461 | } |
| 462 | } |
| 463 | } |
| 464 | exit(0); |
subrata_modak | 43337a3 | 2009-02-26 11:43:51 +0000 | [diff] [blame] | 465 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 466 | } |
| 467 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 468 | #ifdef UCLINUX |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 469 | void dochild2_uclinux(void) |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 470 | { |
| 471 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 472 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 473 | tst_brkm(TFAIL, cleanup, |
| 474 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | dochild2(); |
| 478 | } |
| 479 | #endif |
| 480 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 481 | int dochild3(int group) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 482 | { |
| 483 | /* Child routine which creates and deletes directories in the |
| 484 | * test directory. Runs until a SIGTERM signal is received, then |
| 485 | * cleans up and exits. Detects error if the expected condition |
| 486 | * is not encountered. |
| 487 | */ |
| 488 | |
| 489 | int j; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 490 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 491 | char tmpdir[MAXPATHLEN]; |
| 492 | char tmp[MAXPATHLEN]; |
| 493 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 494 | while (!sigterm) { |
| 495 | for (j = 2; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 496 | strcpy(tmp, DIR_NAME); |
| 497 | strcat(tmp, ".%d"); |
| 498 | sprintf(tmpdir, tmp, j, group); |
| 499 | |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 500 | TEST(mkdir(tmpdir, MODE_RWX)); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 501 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 502 | if (TEST_RETURN < 0) { |
| 503 | tst_brkm(TFAIL, cleanup, |
| 504 | "MKDIR %s, errno = %d; Wrong error detected.", |
| 505 | tmpdir, TEST_ERRNO); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 506 | exit(1); |
| 507 | } |
| 508 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 509 | for (j = 2; j < nfiles; j += NCHILD) { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 510 | strcpy(tmp, DIR_NAME); |
| 511 | strcat(tmp, ".%d"); |
| 512 | sprintf(tmpdir, tmp, j, group); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 513 | if (rmdir(tmpdir) < 0) { |
| 514 | tst_brkm(TFAIL, cleanup, |
| 515 | "RMDIR %s, errno = %d; Wrong error detected.", |
| 516 | tmpdir, errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 517 | exit(1); |
| 518 | } |
| 519 | } |
| 520 | } |
| 521 | exit(0); |
| 522 | } |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 523 | |
| 524 | #ifdef UCLINUX |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 525 | void dochild3_uclinux(void) |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 526 | { |
| 527 | /* Set up to catch SIGTERM signal */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 528 | if (signal(SIGTERM, term) == SIG_ERR) { |
| 529 | tst_brkm(TFAIL, cleanup, |
| 530 | "Error setting up SIGTERM signal, ERRNO = %d", errno); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | dochild3(group_uclinux); |
| 534 | } |
| 535 | #endif |
| 536 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 537 | int massmurder(void) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 538 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 539 | register int j; |
| 540 | for (j = 0; j < child_count; j++) { |
| 541 | if (pidlist[j] > 0) { |
| 542 | if (kill(pidlist[j], SIGTERM) < 0) { |
| 543 | tst_brkm(TFAIL, cleanup, |
| 544 | "Error killing child %d, ERRNO = %d", |
| 545 | j, errno); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 546 | } |
| 547 | } |
| 548 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 549 | return 0; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 550 | } |
| 551 | |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 552 | /*************************************************************** |
| 553 | * * setup() - performs all ONE TIME setup for this test. |
| 554 | * ***************************************************************/ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 555 | void setup(void) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 556 | { |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 557 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 558 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 559 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 560 | TEST_PAUSE; |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 561 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 562 | /* Create a temporary directory and make it current. */ |
| 563 | tst_tmpdir(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 564 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 565 | } |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 566 | |
| 567 | /*************************************************************** |
| 568 | * * cleanup() - performs all ONE TIME cleanup for this test at |
| 569 | * * completion or premature exit. |
| 570 | * ***************************************************************/ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 571 | void cleanup(void) |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 572 | { |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 573 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 574 | /* |
| 575 | * * Remove the temporary directory. |
| 576 | * */ |
| 577 | tst_rmdir(); |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 578 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 579 | /* |
| 580 | * * Exit with return code appropriate for results. |
| 581 | * */ |
robbiew | bd75650 | 2002-12-04 23:16:31 +0000 | [diff] [blame] | 582 | |
Garrett Cooper | bacc849 | 2011-01-14 00:36:17 -0800 | [diff] [blame] | 583 | } |