vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) Wipro Technologies Ltd, 2002. 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 | * You should have received a copy of the GNU General Public License along |
Wanlong Gao | fed9641 | 2012-10-24 10:10:29 +0800 | [diff] [blame] | 13 | * with this program; if not, write the Free Software Foundation, Inc., |
| 14 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 15 | * |
| 16 | */ |
| 17 | /********************************************************** |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 18 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 19 | * TEST IDENTIFIER : prctl02 |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 20 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 21 | * EXECUTED BY : anyone |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 22 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 23 | * TEST TITLE : Tests for error conditions |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 24 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 25 | * TEST CASE TOTAL : 2 |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 26 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 27 | * AUTHOR : Saji Kumar.V.R <saji.kumar@wipro.com> |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 28 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 29 | * SIGNALS |
| 30 | * Uses SIGUSR1 to pause before test if option set. |
| 31 | * (See the parse_opts(3) man page). |
| 32 | * |
| 33 | * DESCRIPTION |
| 34 | * Verify that |
| 35 | * 1) prctl() fails with errno, EINVAL when an invalid value is given for |
| 36 | * option |
| 37 | * 2) prctl() fails with errno, EINVAL when option is PR_SET_PDEATHSIG |
| 38 | * & arg2 is not zero or a valid signal number |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 39 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 40 | * Setup: |
| 41 | * Setup signal handling. |
| 42 | * Pause for SIGUSR1 if option specified. |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 43 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 44 | * Test: |
| 45 | * Loop if the proper options are given. |
| 46 | * fork a child |
| 47 | * |
| 48 | * CHILD: |
| 49 | * call prctl() with proper arguments |
| 50 | * If call fails with expected errno, |
| 51 | * exit with 0 |
| 52 | * else |
| 53 | * exit with 1 |
| 54 | * PARENT: |
| 55 | * wait() for child. |
| 56 | * If child exits with exit value 0, |
| 57 | * Test passed |
| 58 | * else |
| 59 | * Test Failed |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 60 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 61 | * Cleanup: |
| 62 | * Print errno log and/or timing stats if options given |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 63 | * |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 64 | * USAGE: <for command-line> |
| 65 | * prctl02 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-h] [-f] [-p] |
| 66 | * where, -c n : Run n copies concurrently. |
| 67 | * -e : Turn on errno logging. |
| 68 | * -h : Show help screen |
| 69 | * -f : Turn off functional testing |
| 70 | * -i n : Execute test n times. |
| 71 | * -I x : Execute test for x seconds. |
| 72 | * -p : Pause for SIGUSR1 before starting |
| 73 | * -P x : Pause for x seconds between iterations. |
| 74 | * -t : Turn on syscall timing. |
| 75 | * |
| 76 | ****************************************************************/ |
| 77 | |
| 78 | #include <errno.h> |
| 79 | #include <signal.h> |
| 80 | #include <sys/prctl.h> |
| 81 | #include <sys/wait.h> |
| 82 | |
| 83 | #include "test.h" |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 84 | |
| 85 | #define OPTION_INVALID 999 |
| 86 | #define INVALID_ARG 999 |
| 87 | |
| 88 | static void setup(void); |
| 89 | static void cleanup(void); |
| 90 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 91 | char *TCID = "prctl02"; |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 92 | |
| 93 | struct test_cases_t { |
| 94 | int option; |
| 95 | unsigned long arg2; |
| 96 | int exp_errno; |
| 97 | } test_cases[] = { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 98 | { |
| 99 | OPTION_INVALID, 0, EINVAL}, { |
| 100 | PR_SET_PDEATHSIG, INVALID_ARG, EINVAL} |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 101 | }; |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 102 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 103 | int TST_TOTAL = sizeof(test_cases) / sizeof(test_cases[0]); |
| 104 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 105 | int main(int ac, char **av) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 106 | { |
| 107 | |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 108 | int lc, i; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 109 | const char *msg; |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 110 | pid_t child_pid; |
| 111 | int status; |
| 112 | |
Garrett Cooper | a9e49f1 | 2010-12-16 10:54:03 -0800 | [diff] [blame] | 113 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
Garrett Cooper | 60fa801 | 2010-11-22 13:50:58 -0800 | [diff] [blame] | 114 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 115 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 116 | setup(); |
| 117 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 118 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 119 | |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 120 | tst_count = 0; |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 121 | |
| 122 | for (i = 0; i < TST_TOTAL; ++i) { |
| 123 | |
mridge | ed06ca6 | 2006-02-14 16:55:09 +0000 | [diff] [blame] | 124 | switch (child_pid = FORK_OR_VFORK()) { |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 125 | |
| 126 | case -1: |
| 127 | /* fork() failed */ |
| 128 | tst_resm(TFAIL, "fork() failed"); |
| 129 | continue; |
| 130 | |
| 131 | case 0: |
| 132 | /* Child */ |
| 133 | |
| 134 | TEST(prctl(test_cases[i].option, |
| 135 | test_cases[i].arg2)); |
| 136 | if ((TEST_RETURN == -1) && (TEST_ERRNO == |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 137 | test_cases |
| 138 | [i].exp_errno)) { |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 139 | exit(TEST_ERRNO); |
| 140 | } else { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 141 | tst_resm(TWARN | TTERRNO, |
| 142 | "prctl() returned %ld", |
subrata_modak | 923b23f | 2009-11-02 13:57:16 +0000 | [diff] [blame] | 143 | TEST_RETURN); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 144 | exit(TEST_ERRNO); |
| 145 | } |
| 146 | |
| 147 | default: |
| 148 | /* Parent */ |
| 149 | if ((waitpid(child_pid, &status, 0)) < 0) { |
| 150 | tst_resm(TFAIL, "waitpid() failed"); |
| 151 | continue; |
| 152 | } |
| 153 | |
| 154 | if ((WIFEXITED(status)) && (WEXITSTATUS(status) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 155 | == |
| 156 | test_cases |
| 157 | [i].exp_errno)) { |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 158 | tst_resm(TPASS, "Test Passed"); |
| 159 | } else { |
| 160 | tst_resm(TFAIL, "Test Failed"); |
| 161 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 162 | |
| 163 | } |
| 164 | } |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 165 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 166 | |
| 167 | /* cleanup and exit */ |
| 168 | cleanup(); |
| 169 | |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 170 | tst_exit(); |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 171 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 172 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 173 | |
| 174 | /* setup() - performs all ONE TIME setup for this test */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 175 | void setup(void) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 176 | { |
| 177 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 178 | tst_sig(FORK, DEF_HANDLER, cleanup); |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 179 | |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 180 | TEST_PAUSE; |
| 181 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 182 | } |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 183 | |
| 184 | /* |
| 185 | *cleanup() - performs all ONE TIME cleanup for this test at |
| 186 | * completion or premature exit. |
| 187 | */ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 188 | void cleanup(void) |
vapier | d13d74b | 2006-02-11 07:24:00 +0000 | [diff] [blame] | 189 | { |
| 190 | |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 191 | } |