1 /* 2 * Copyright (c) 2002, 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 if O_NONBLOCK is set and the message queue is full, mq_send() 11 * will set errno == EAGAIN (subset of 7-1.c). 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 <stdint.h> 22 #include <errno.h> 23 #include "posixtest.h" 24 25 #define NAMESIZE 50 26 #define MESSAGESIZE 50 27 28 #define BUFFER 40 29 #define MAXMSG 10 30 31 int main(void) 32 { 33 char qname[NAMESIZE]; 34 char msgptr[MESSAGESIZE]; 35 mqd_t queue; 36 struct mq_attr attr; 37 int unresolved = 0, failure = 0, i, maxreached = 0; 38 39 sprintf(qname, "/mq_send_10-1_%d", getpid()); 40 41 attr.mq_maxmsg = MAXMSG; 42 attr.mq_msgsize = BUFFER; 43 queue = mq_open(qname, O_CREAT | O_RDWR | O_NONBLOCK, 44 S_IRUSR | S_IWUSR, &attr); 45 if (queue == (mqd_t) - 1) { 46 perror("mq_open() did not return success"); 47 return PTS_UNRESOLVED; 48 } 49 50 for (i = 0; i < MAXMSG + 1; i++) { 51 sprintf(msgptr, "message %d", i); 52 if (mq_send(queue, msgptr, strlen(msgptr), 1) == -1) { 53 maxreached = 1; 54 if (errno != EAGAIN) { 55 printf("mq_send() did not fail on EAGAIN\n"); 56 failure = 1; 57 } 58 break; 59 } 60 } 61 62 if (mq_close(queue) != 0) { 63 perror("mq_close() did not return success"); 64 unresolved = 1; 65 } 66 67 if (mq_unlink(qname) != 0) { 68 perror("mq_unlink() did not return success"); 69 unresolved = 1; 70 } 71 72 if (maxreached == 0) { 73 printf("Test inconclusive: Couldn't fill message queue\n"); 74 return PTS_UNRESOLVED; 75 } 76 if (failure == 1) { 77 printf("Test FAILED\n"); 78 return PTS_FAIL; 79 } 80 81 if (unresolved == 1) { 82 printf("Test UNRESOLVED\n"); 83 return PTS_UNRESOLVED; 84 } 85 86 printf("Test PASSED\n"); 87 return PTS_PASS; 88 } 89
