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 * msgctl03.c 23 * 24 * DESCRIPTION 25 * msgctl03 - create a message queue, then issue the IPC_RMID command 26 * 27 * ALGORITHM 28 * create a message queue 29 * loop if that option was specified 30 * call msgctl() with the IPC_RMID command 31 * check the return code 32 * if failure, issue a FAIL message and break remaining tests 33 * otherwise, 34 * if doing functionality testing 35 * issue an IPC_STAT on the queue that was just removed 36 * if the call fails 37 * issue a PASS message 38 * otherwise 39 * issue a FAIL message 40 * else issue a PASS message 41 * call cleanup 42 * 43 * USAGE: <for command-line> 44 * msgctl03 [-c n] [-f] [-I x] [-P x] [-t] 45 * where, -c n : Run n copies concurrently. 46 * -f : Turn off functionality Testing. 47 * -I x : Execute test for x seconds. 48 * -P x : Pause for x seconds between iterations. 49 * -t : Turn on syscall timing. 50 * 51 * HISTORY 52 * 03/2001 - Written by Wayne Boyer 53 * 54 * RESTRICTIONS 55 * This test does not support looping. 56 */ 57 58#include "test.h" 59 60#include "ipcmsg.h" 61 62char *TCID = "msgctl03"; 63int TST_TOTAL = 1; 64 65int msg_q_1 = -1; /* to hold the message queue id */ 66 67struct msqid_ds qs_buf; 68 69int main(int ac, char **av) 70{ 71 72 tst_parse_opts(ac, av, NULL, NULL); 73 74 setup(); /* global setup */ 75 76 /* 77 * Remove the queue that was created in setup() 78 */ 79 80 TEST(msgctl(msg_q_1, IPC_RMID, NULL)); 81 82 if (TEST_RETURN == -1) { 83 tst_brkm(TFAIL | TTERRNO, cleanup, "msgctl() call failed"); 84 } else { 85 /* 86 * if the queue is gone, then an IPC_STAT msgctl() 87 * call should generate an EINVAL error. 88 */ 89 if ((msgctl(msg_q_1, IPC_STAT, &qs_buf) == -1)) { 90 if (errno == EINVAL) { 91 tst_resm(TPASS, "The queue is gone"); 92 } else { 93 tst_resm(TFAIL, "IPC_RMID succeeded ," 94 " but functional test did not" 95 " get expected EINVAL error"); 96 } 97 } 98 } 99 100 msg_q_1 = -1; 101 102 cleanup(); 103 tst_exit(); 104} 105 106/* 107 * setup() - performs all the ONE TIME setup for this test. 108 */ 109void setup(void) 110{ 111 112 tst_sig(NOFORK, DEF_HANDLER, cleanup); 113 114 TEST_PAUSE; 115 116 /* 117 * Create a temporary directory and cd into it. 118 * This helps to ensure that a unique msgkey is created. 119 * See ../lib/libipc.c for more information. 120 */ 121 tst_tmpdir(); 122 123 /* get a message key */ 124 msgkey = getipckey(); 125 126 /* now we have a key, so let's create a message queue */ 127 if ((msg_q_1 = msgget(msgkey, IPC_CREAT | IPC_EXCL | MSG_RW)) == -1) { 128 tst_brkm(TBROK, cleanup, "Can't create message queue"); 129 } 130} 131 132/* 133 * cleanup() - performs all the ONE TIME cleanup for this test at completion 134 * or premature exit. 135 */ 136void cleanup(void) 137{ 138 /* if it exists, remove the message queue */ 139 rm_queue(msg_q_1); 140 141 tst_rmdir(); 142 143} 144