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 * msgrcv03.c 23 * 24 * DESCRIPTION 25 * msgrcv03 - test for EINVAL error 26 * 27 * ALGORITHM 28 * create a message queue with read/write permissions 29 * loop if that option was specified 30 * call msgrcv() using two different invalid cases 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 * msgrcv03 [-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 "test.h" 54 55 #include "ipcmsg.h" 56 57 void cleanup(void); 58 void setup(void); 59 60 char *TCID = "msgrcv03"; 61 int TST_TOTAL = 2; 62 63 int msg_q_1 = -1; /* The message queue id created in setup */ 64 int bad_q = -1; /* a value to use as a bad queue ID */ 65 MSGBUF rcv_buf; 66 67 struct test_case_t { 68 int *queue_id; 69 int msize; 70 int error; 71 } TC[] = { 72 /* EINVAL - the queue ID is invalid */ 73 { 74 &bad_q, MSGSIZE, EINVAL}, 75 /* EINVAL - the message size is less than 0 */ 76 { 77 &msg_q_1, -1, EINVAL} 78 }; 79 80 int main(int ac, char **av) 81 { 82 int lc; 83 int i; 84 85 tst_parse_opts(ac, av, NULL, NULL); 86 87 setup(); /* global setup */ 88 89 /* The following loop checks looping state if -i option given */ 90 91 for (lc = 0; TEST_LOOPING(lc); lc++) { 92 /* reset tst_count in case we are looping */ 93 tst_count = 0; 94 95 for (i = 0; i < TST_TOTAL; i++) { 96 97 /* 98 * Use the TEST macro to make the call 99 */ 100 101 TEST(msgrcv(*(TC[i].queue_id), &rcv_buf, TC[i].msize, 102 1, 0)); 103 104 if (TEST_RETURN != -1) { 105 tst_resm(TFAIL, "call succeeded unexpectedly"); 106 continue; 107 } 108 109 if (TEST_ERRNO == TC[i].error) { 110 tst_resm(TPASS, "expected failure - errno = " 111 "%d : %s", TEST_ERRNO, 112 strerror(TEST_ERRNO)); 113 } else { 114 tst_resm(TFAIL, "call failed with an " 115 "unexpected error - %d : %s", 116 TEST_ERRNO, strerror(TEST_ERRNO)); 117 } 118 } 119 } 120 121 cleanup(); 122 123 tst_exit(); 124 } 125 126 /* 127 * setup() - performs all the ONE TIME setup for this test. 128 */ 129 void setup(void) 130 { 131 132 tst_sig(NOFORK, DEF_HANDLER, cleanup); 133 134 TEST_PAUSE; 135 136 /* 137 * Create a temporary directory and cd into it. 138 * This helps to ensure that a unique msgkey is created. 139 * See ../lib/libipc.c for more information. 140 */ 141 tst_tmpdir(); 142 143 msgkey = getipckey(); 144 145 /* create a message queue with read/write permission */ 146 if ((msg_q_1 = msgget(msgkey, IPC_CREAT | IPC_EXCL | MSG_RW)) == -1) { 147 tst_brkm(TBROK, cleanup, "Can't create message queue"); 148 } 149 } 150 151 /* 152 * cleanup() - performs all the ONE TIME cleanup for this test at completion 153 * or premature exit. 154 */ 155 void cleanup(void) 156 { 157 /* if it exists, remove the message queue that was created */ 158 rm_queue(msg_q_1); 159 160 tst_rmdir(); 161 162 } 163
