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 * semget06.c 23 * 24 * DESCRIPTION 25 * semget06 - test for EINVAL error 26 * 27 * ALGORITHM 28 * loop if that option was specified 29 * call semget() using two different invalid cases - too many and too 30 * few primitive semaphores 31 * check the errno value 32 * issue a PASS message if we get EINVAL 33 * otherwise, the tests fails 34 * issue a FAIL message 35 * call cleanup 36 * 37 * USAGE: <for command-line> 38 * semget06 [-c n] [-e] [-i n] [-I x] [-P x] [-t] 39 * where, -c n : Run n copies concurrently. 40 * -e : Turn on errno logging. 41 * -i n : Execute test n times. 42 * -I x : Execute test for x seconds. 43 * -P x : Pause for x seconds between iterations. 44 * -t : Turn on syscall timing. 45 * 46 * HISTORY 47 * 03/2001 - Written by Wayne Boyer 48 * 49 * RESTRICTIONS 50 * none 51 */ 52 53 #include "../lib/ipcsem.h" 54 55 char *TCID = "semget06"; 56 int TST_TOTAL = 2; 57 58 #define LARGENUM 1024 * 32 59 #define SMALLNUM -1 60 61 int sem_id_1 = -1; 62 63 int num_sems[] = { LARGENUM, SMALLNUM }; 64 65 int main(int ac, char **av) 66 { 67 int lc; 68 int i; 69 70 tst_parse_opts(ac, av, NULL, NULL); 71 72 setup(); /* global setup */ 73 74 /* The following loop checks looping state if -i option given */ 75 76 for (lc = 0; TEST_LOOPING(lc); lc++) { 77 /* reset tst_count in case we are looping */ 78 tst_count = 0; 79 80 /* loop through the test cases */ 81 82 for (i = 0; i < TST_TOTAL; i++) { 83 TEST(semget(semkey, num_sems[i], 84 IPC_CREAT | IPC_EXCL | SEM_RA)); 85 86 if (TEST_RETURN != -1) { 87 sem_id_1 = TEST_RETURN; 88 tst_resm(TFAIL, "call succeeded"); 89 continue; 90 } 91 92 switch (TEST_ERRNO) { 93 case EINVAL: 94 tst_resm(TPASS, "expected failure - errno " 95 "= %d : %s", TEST_ERRNO, 96 strerror(TEST_ERRNO)); 97 break; 98 default: 99 tst_resm(TFAIL, "unexpected error - %d : %s", 100 TEST_ERRNO, strerror(TEST_ERRNO)); 101 break; 102 } 103 } 104 } 105 106 cleanup(); 107 108 tst_exit(); 109 } 110 111 /* 112 * setup() - performs all the ONE TIME setup for this test. 113 */ 114 void setup(void) 115 { 116 117 tst_sig(NOFORK, DEF_HANDLER, cleanup); 118 119 TEST_PAUSE; 120 121 /* 122 * Create a temporary directory and cd into it. 123 * This helps to ensure that a unique msgkey is created. 124 * See ../lib/libipc.c for more information. 125 */ 126 tst_tmpdir(); 127 128 /* get an IPC resource key */ 129 semkey = getipckey(); 130 } 131 132 /* 133 * cleanup() - performs all the ONE TIME cleanup for this test at completion 134 * or premature exit. 135 */ 136 void cleanup(void) 137 { 138 /* if it exists, remove the semaphore resource */ 139 rm_sema(sem_id_1); 140 141 tst_rmdir(); 142 143 } 144
