1 /* 2 * Copyright (c) 2003, Intel Corporation. All rights reserved. 3 * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com 4 * This file is licensed under the GPL license. For the full content 5 * of this license, see the COPYING file at the top level of this 6 * source tree. 7 */ 8 9 /* 10 * Test that mq_open() fails with EEXIST if O_CREAT and O_EXCL are set 11 * but the message queue already exists. 12 */ 13 14 #include <stdio.h> 15 #include <mqueue.h> 16 #include <fcntl.h> 17 #include <sys/stat.h> 18 #include <sys/types.h> 19 #include <unistd.h> 20 #include <string.h> 21 #include <errno.h> 22 #include "posixtest.h" 23 24 #define NAMESIZE 50 25 26 int main(void) 27 { 28 char qname[NAMESIZE]; 29 mqd_t queue, queue2; 30 31 sprintf(qname, "/mq_open_23-1_%d", getpid()); 32 33 queue = mq_open(qname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, NULL); 34 if (queue == (mqd_t) - 1) { 35 perror("mq_open() did not return success"); 36 printf("Test UNRESOLVED\n"); 37 return PTS_UNRESOLVED; 38 } 39 40 /* 41 * Open queue qname again with O_CREAT and O_EXCL set 42 */ 43 queue2 = mq_open(qname, O_CREAT | O_EXCL | O_RDWR, 44 S_IRUSR | S_IWUSR, NULL); 45 if (queue2 != (mqd_t) - 1) { 46 printf("mq_open() should have failed with O_CREAT and\n"); 47 printf("O_EXCL on an already opened queue.\n"); 48 printf("Test FAILED\n"); 49 mq_close(queue); 50 mq_close(queue2); 51 mq_unlink(qname); 52 return PTS_FAIL; 53 } 54 #ifdef DEBUG 55 printf("mq_open() failed as expected\n"); 56 #endif 57 58 if (errno != EEXIST) { 59 printf("errno != EEXIST\n"); 60 printf("Test FAILED\n"); 61 mq_close(queue); 62 mq_unlink(qname); 63 return PTS_FAIL; 64 } 65 #ifdef DEBUG 66 printf("errno == EEXIST\n"); 67 #endif 68 69 mq_close(queue); 70 mq_unlink(qname); 71 72 printf("Test PASSED\n"); 73 return PTS_PASS; 74 } 75