1 /* 2 * Copyright (c) Wipro Technologies Ltd, 2003. 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 13 * with this program; if not, write the Free Software Foundation, Inc., 14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 15 * 16 */ 17 /************************************************************************** 18 * 19 * TEST IDENTIFIER : timer_settime03 20 * 21 * EXECUTED BY : anyone 22 * 23 * TEST TITLE : Test checking for basic error conditions for 24 * timer_settime(2) 25 * 26 * TEST CASE TOTAL : 6 27 * 28 * AUTHOR : Aniruddha Marathe <aniruddha.marathe (at) wipro.com> 29 * 30 * SIGNALS 31 * Uses SIGUSR1 to pause before test if option set. 32 * (See the parse_opts(3) man page). 33 * 34 * DESCRIPTION 35 * This test case check whether timer_settime(2) returns appropriate error 36 * value for invalid parameter 37 * 38 * Setup: 39 * Setup signal handling. 40 * Pause for SIGUSR1 if option specified. 41 * 42 * Test: 43 * Loop if the proper options are given. 44 * setup the individual test. 45 * Execute system call with invalid parameters. 46 * Check return code, if system call fails with errno == expected errno 47 * Issue syscall passed with expected errno 48 * Otherwise, Issue syscall failed to produce expected errno 49 * 50 * Cleanup: 51 * Print errno log and/or timing stats if options given 52 * 53 * USAGE: <for command-line> 54 * timer_settime03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-p] 55 * where: 56 * -c n : run n copies simultaneously 57 * -e : Turn on errno logging. 58 * -i n : Execute test n times. 59 * -I x : Execute test for x seconds. 60 * -p : Pause for SIGUSR1 before starting 61 * -P x : Pause for x seconds between iterations. 62 * -t : Turn on syscall timing. 63 * 64 * RESTRICTIONS: 65 * None 66 *****************************************************************************/ 67 68 #include <errno.h> 69 #include <time.h> 70 #include <unistd.h> 71 72 #include "test.h" 73 #include "common_timers.h" 74 75 void setup(void); 76 void setup_test(int option); 77 78 int testcase[] = { 79 EINVAL, /* New setting null */ 80 EINVAL, /* tv_nsec < 0 */ 81 EINVAL, /* nsec > NSEC/SEC */ 82 EINVAL, /* Invalid timerid */ 83 EFAULT, /* bad newsetting * */ 84 EFAULT /* bad oldsetting * */ 85 }; 86 87 char *TCID = "timer_settime03"; 88 int TST_TOTAL = ARRAY_SIZE(testcase); 89 90 static struct itimerspec new_set, old_set, *old_temp, *new_temp; 91 static kernel_timer_t timer, tim; 92 93 int main(int ac, char **av) 94 { 95 int lc, i; 96 97 tst_parse_opts(ac, av, NULL, NULL); 98 99 setup(); 100 101 for (lc = 0; TEST_LOOPING(lc); lc++) { 102 103 tst_count = 0; 104 105 for (i = 0; i < TST_TOTAL; i++) { 106 107 /* Set up individual tests */ 108 setup_test(i); 109 TEST(ltp_syscall(__NR_timer_settime, tim, 0, new_temp, 110 old_temp)); 111 112 /* check return code */ 113 if (TEST_RETURN == -1 && TEST_ERRNO == testcase[i]) { 114 tst_resm(TPASS | TTERRNO, "failed as expected"); 115 } else { 116 tst_resm(TFAIL | TTERRNO, 117 "didn't fail as expected [expected " 118 "errno = %d (%s)]", 119 testcase[i], strerror(testcase[i])); 120 } /* end of else */ 121 122 } 123 124 } 125 126 cleanup(); 127 tst_exit(); 128 } 129 130 /* This function sets up individual tests */ 131 void setup_test(int option) 132 { 133 switch (option) { 134 case 0: 135 /* Pass NULL structure as new setting */ 136 new_temp = NULL; 137 tim = timer; 138 old_temp = &old_set; 139 break; 140 case 1: 141 /* Make tv_nsec value less than 0 */ 142 new_set.it_value.tv_nsec = -1; 143 new_set.it_value.tv_sec = 5; 144 new_set.it_interval.tv_sec = 0; 145 new_set.it_interval.tv_nsec = 0; 146 new_temp = &new_set; 147 break; 148 case 2: 149 /* Make tv_nsec more than NSEC_PER_SEC */ 150 new_set.it_value.tv_nsec = NSEC_PER_SEC + 1; 151 break; 152 case 3: 153 /* make timer_id invalid */ 154 tim = (kernel_timer_t) - 1; 155 new_set.it_value.tv_nsec = 0; 156 break; 157 case 4: 158 /* make new_setting a bad pointer */ 159 tim = timer; 160 new_temp = (struct itimerspec *)-1; 161 break; 162 case 5: 163 /* make old_setting a bad pointer */ 164 new_temp = &new_set; 165 old_temp = (struct itimerspec *)-1; 166 break; 167 } 168 } 169 170 /* setup() - performs all ONE TIME setup for this test */ 171 void setup(void) 172 { 173 174 tst_sig(NOFORK, DEF_HANDLER, cleanup); 175 176 if (ltp_syscall(__NR_timer_create, CLOCK_REALTIME, NULL, &timer) < 0) { 177 tst_brkm(TBROK, NULL, "Timer create failed. Cannot" 178 " setup test"); 179 } 180 181 TEST_PAUSE; 182 } 183 184 /* 185 * cleanup() - Performs one time cleanup for this test at 186 * completion or premature exit 187 */ 188 void cleanup(void) 189 { 190 } 191
