/* * Copyright (c) 2003, Intel Corporation. All rights reserved. * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com * This file is licensed under the GPL license. For the full content * of this license, see the COPYING file at the top level of this * source tree. */ /* * Test that if the access mode is O_WRONLY, the message queue can * send messages but not receive. * * Test for a message queue opened twice in the same process. * * 3/13/03 - Added fix from Gregoire Pichon for specifying an attr * with a mq_maxmsg >= BUFFER. */ #include #include #include #include #include #include #include #include "posixtest.h" #define NAMESIZE 50 #define MSGSTR "0123456789" #define BUFFER 40 int main() { char qname[NAMESIZE], msgrcd[BUFFER]; const char *msgptr = MSGSTR; mqd_t woqueue, woqueue2; struct mq_attr attr; unsigned pri; sprintf(qname, "/mq_open_8-1_%d", getpid()); attr.mq_msgsize = BUFFER; attr.mq_maxmsg = BUFFER; woqueue = mq_open(qname, O_CREAT |O_WRONLY, S_IRUSR | S_IWUSR, &attr); if (woqueue == (mqd_t)-1) { perror("mq_open() for write-only queue did not return success"); printf("Test UNRESOLVED\n"); return PTS_UNRESOLVED; } if (mq_send(woqueue, msgptr, strlen(msgptr), 1) != 0) { perror("mq_send() did not return success"); printf("Test UNRESOLVED\n"); /* close queue and exit */ mq_close(woqueue); mq_unlink(qname); return PTS_UNRESOLVED; } #ifdef DEBUG printf("Message %s sent\n", msgptr); #endif if (mq_receive(woqueue, msgrcd, BUFFER, &pri) != -1) { printf("mq_receive() returned success on write only queue\n"); printf("Test FAILED\n"); /* close queue and exit */ mq_close(woqueue); mq_unlink(qname); return PTS_FAIL; } #ifdef DEBUG printf("Message receive failed, as expected\n"); #endif woqueue2 = mq_open(qname, O_WRONLY, S_IRUSR | S_IWUSR, &attr); if (woqueue2 == (mqd_t)-1) { perror("mq_open() did not return success"); printf("Test UNRESOLVED\n"); /* close woqueue and exit */ mq_close(woqueue); mq_unlink(qname); return PTS_UNRESOLVED; } if (mq_send(woqueue2, msgptr, strlen(msgptr), 1) != 0) { perror("mq_send() did not return success"); printf("Test UNRESOLVED\n"); /* close queues and exit */ mq_close(woqueue); mq_close(woqueue2); mq_unlink(qname); return PTS_UNRESOLVED; } #ifdef DEBUG printf("Message %s sent to second queue\n", msgptr); #endif if (mq_receive(woqueue2, msgrcd, BUFFER, &pri) != -1) { printf("mq_receive() returned success on write only queue\n"); printf("Test FAILED\n"); /* close queues and exit */ mq_close(woqueue); mq_close(woqueue2); mq_unlink(qname); return PTS_FAIL; } #ifdef DEBUG printf("Message receive failed, as expected, on second queue\n"); #endif mq_close(woqueue); mq_close(woqueue2); mq_unlink(qname); printf("Test PASSED\n"); return PTS_PASS; }