1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 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 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 21 * NAME 22 * setitimer01.c 23 * 24 * DESCRIPTION 25 * setitimer01 - check that a resonable setitimer() call succeeds. 26 * 27 * ALGORITHM 28 * loop if that option was specified 29 * allocate needed space and set up needed values 30 * issue the system call 31 * check the errno value 32 * issue a PASS message if we get zero 33 * otherwise, the tests fails 34 * issue a FAIL message 35 * break any remaining tests 36 * call cleanup 37 * 38 * USAGE: <for command-line> 39 * setitimer01 [-c n] [-f] [-i n] [-I x] [-P x] [-t] 40 * where, -c n : Run n copies concurrently. 41 * -f : Turn off functionality Testing. 42 * -i n : Execute test n times. 43 * -I x : Execute test for x seconds. 44 * -P x : Pause for x seconds between iterations. 45 * -t : Turn on syscall timing. 46 * 47 * HISTORY 48 * 03/2001 - Written by Wayne Boyer 49 * 50 * RESTRICTIONS 51 * none 52 */ 53 54 #include "test.h" 55 56 #include <errno.h> 57 #include <sys/time.h> 58 59 void cleanup(void); 60 void setup(void); 61 62 char *TCID = "setitimer01"; 63 int TST_TOTAL = 1; 64 65 #define SEC0 0 66 #define SEC1 20 67 #define SEC2 40 68 69 int main(int ac, char **av) 70 { 71 int lc; 72 struct itimerval *value, *ovalue; 73 74 tst_parse_opts(ac, av, NULL, NULL); 75 76 setup(); /* global setup */ 77 78 /* The following loop checks looping state if -i option given */ 79 80 for (lc = 0; TEST_LOOPING(lc); lc++) { 81 /* reset tst_count in case we are looping */ 82 tst_count = 0; 83 84 /* allocate some space for the timer structures */ 85 86 if ((value = malloc((size_t)sizeof(struct itimerval))) == 87 NULL) { 88 tst_brkm(TBROK, cleanup, "value malloc failed"); 89 } 90 91 if ((ovalue = malloc((size_t)sizeof(struct itimerval))) == 92 NULL) { 93 tst_brkm(TBROK, cleanup, "ovalue malloc failed"); 94 } 95 96 /* set up some reasonable values */ 97 98 value->it_value.tv_sec = SEC1; 99 value->it_value.tv_usec = SEC0; 100 value->it_interval.tv_sec = 0; 101 value->it_interval.tv_usec = 0; 102 /* 103 * issue the system call with the TEST() macro 104 * ITIMER_REAL = 0, ITIMER_VIRTUAL = 1 and ITIMER_PROF = 2 105 */ 106 107 TEST(setitimer(ITIMER_REAL, value, ovalue)); 108 109 if (TEST_RETURN != 0) { 110 tst_resm(TFAIL, "call failed - errno = %d - %s", 111 TEST_ERRNO, strerror(TEST_ERRNO)); 112 continue; 113 } 114 115 /* 116 * call setitimer again with new values. 117 * the old values should be stored in ovalue 118 */ 119 value->it_value.tv_sec = SEC2; 120 value->it_value.tv_usec = SEC0; 121 122 if ((setitimer(ITIMER_REAL, value, ovalue)) == -1) { 123 tst_brkm(TBROK, cleanup, "second setitimer " 124 "call failed"); 125 } 126 127 if (ovalue->it_value.tv_sec <= SEC1) { 128 tst_resm(TPASS, "functionality is correct"); 129 } else { 130 tst_brkm(TFAIL, cleanup, "old timer value is " 131 "not equal to expected value"); 132 } 133 } 134 135 cleanup(); 136 tst_exit(); 137 } 138 139 /* 140 * setup() - performs all the ONE TIME setup for this test. 141 */ 142 void setup(void) 143 { 144 145 tst_sig(NOFORK, DEF_HANDLER, cleanup); 146 147 TEST_PAUSE; 148 } 149 150 /* 151 * cleanup() - performs all the ONE TIME cleanup for this test at completion 152 * or premature exit. 153 */ 154 void cleanup(void) 155 { 156 157 } 158
