| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2001 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| /* |
| * NAME |
| * msgget01.c |
| * |
| * DESCRIPTION |
| * msgget01 - create a message queue, write a message to it and |
| * read it back. |
| * |
| * ALGORITHM |
| * loop if that option was specified |
| * create a message queue |
| * check the return code |
| * if failure, issue a FAIL message. |
| * otherwise, |
| * if doing functionality testing by writting a message to the queue, |
| * reading it back and comparing the two. |
| * if the messages are the same, |
| * issue a PASS message |
| * otherwise |
| * issue a FAIL message |
| * call cleanup |
| * |
| * USAGE: <for command-line> |
| * msgget01 [-c n] [-f] [-i n] [-I x] [-P x] [-t] |
| * where, -c n : Run n copies concurrently. |
| * -f : Turn off functionality Testing. |
| * -i n : Execute test n times. |
| * -I x : Execute test for x seconds. |
| * -P x : Pause for x seconds between iterations. |
| * -t : Turn on syscall timing. |
| * |
| * HISTORY |
| * 03/2001 - Written by Wayne Boyer |
| * |
| * RESTRICTIONS |
| * none |
| */ |
| |
| #include "ipcmsg.h" |
| |
| #include <string.h> |
| |
| char *TCID = "msgget01"; |
| int TST_TOTAL = 1; |
| |
| int msg_q_1 = -1; /* to hold the message queue ID */ |
| |
| int main(int ac, char **av) |
| { |
| int lc; /* loop counter */ |
| char *msg; /* message returned from parse_opts */ |
| void check_functionality(void); |
| |
| /* parse standard options */ |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) { |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| } |
| |
| setup(); /* global setup */ |
| |
| /* The following loop checks looping state if -i option given */ |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| /* reset Tst_count in case we are looping */ |
| Tst_count = 0; |
| |
| /* |
| * Use TEST macro to make the call to create the message queue |
| */ |
| |
| TEST(msgget(msgkey, IPC_CREAT | IPC_EXCL | MSG_RD | MSG_WR)); |
| |
| if (TEST_RETURN == -1) { |
| tst_resm(TFAIL, "%s call failed - errno = %d : %s", |
| TCID, TEST_ERRNO, strerror(TEST_ERRNO)); |
| } else { |
| msg_q_1 = TEST_RETURN; |
| if (STD_FUNCTIONAL_TEST) { |
| /* |
| * write a message to the queue. |
| * read back the message. |
| * PASS the test if they are the same. |
| */ |
| check_functionality(); |
| } else { |
| tst_resm(TPASS, "message queue was created"); |
| } |
| } |
| |
| /* |
| * remove the message queue that was created and mark the ID |
| * as invalid. |
| */ |
| if (msg_q_1 != -1) { |
| rm_queue(msg_q_1); |
| msg_q_1 = -1; |
| } |
| } |
| |
| cleanup(); |
| |
| tst_exit(); |
| } |
| |
| /* |
| * check_functionality() - check the functionality of the tested system call. |
| */ |
| void check_functionality() |
| { |
| int i = 0; |
| MSGBUF snd_buf, rcv_buf; |
| |
| /* EAGLE: Houston, Tranquility Base here. The Eagle has landed! */ |
| char *queue_msg = |
| "Qston, check_functionality here. The message has queued!"; |
| |
| /* |
| * copy our message into the buffer and then set the type. |
| */ |
| do { |
| snd_buf.mtext[i++] = *queue_msg; |
| } while (*queue_msg++ != '\0'); |
| |
| snd_buf.mtype = MSGTYPE; |
| |
| /* send the message */ |
| if (msgsnd(msg_q_1, &snd_buf, MSGSIZE, 0) == -1) { |
| tst_brkm(TBROK, cleanup, "Could not send a message in the " |
| "check_functionality() routine."); |
| } |
| |
| /* receive the message */ |
| if (msgrcv(msg_q_1, &rcv_buf, MSGSIZE, MSGTYPE, IPC_NOWAIT) == -1) { |
| tst_brkm(TBROK, cleanup, "Could not read a messages in the " |
| "check_functionality() routine."); |
| } |
| |
| if (strcmp(snd_buf.mtext, rcv_buf.mtext) == 0) { |
| tst_resm(TPASS, "message received = message sent"); |
| } else { |
| tst_resm(TFAIL, "message received != message sent"); |
| } |
| } |
| |
| /* |
| * setup() - performs all the ONE TIME setup for this test. |
| */ |
| void setup(void) |
| { |
| |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| /* |
| * Create a temporary directory and cd into it. |
| * This helps to ensure that a unique msgkey is created. |
| * See ../lib/libipc.c for more information. |
| */ |
| tst_tmpdir(); |
| |
| msgkey = getipckey(); |
| } |
| |
| /* |
| * cleanup() - performs all the ONE TIME cleanup for this test at completion |
| * or premature exit. |
| */ |
| void cleanup(void) |
| { |
| /* if it exists, remove the message queue that was created */ |
| rm_queue(msg_q_1); |
| |
| tst_rmdir(); |
| |
| /* |
| * print timing stats if that option was specified. |
| * print errno log if that option was specified. |
| */ |
| TEST_CLEANUP; |
| |
| } |