/*
 * Copyright (c) 2002, 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 mq_send() returns -1 on failure, no message is queued, and
 * errno is set.
 * The failure case chosen is an invalid message queue descriptor.
 *
 * 3/13/03 - Added fix from Gregoire Pichon for specifying an attr
 *           with a mq_maxmsg >= BUFFER.
 */

#include <stdio.h>
#include <mqueue.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "posixtest.h"

#define NAMESIZE 50
#define MSGSTR "0123456789"
#define BUFFER 40
#define MAXMSG 10

int main()
{
        char qname[NAMESIZE], msgrcd[BUFFER];
        const char *msgptr = MSGSTR;
        mqd_t queue;
	struct mq_attr attr;
	int unresolved=0, failure=0;
	unsigned pri;

        sprintf(qname, "/mq_send_9-1_%d", getpid());

	attr.mq_msgsize = BUFFER;
	attr.mq_maxmsg = MAXMSG;
        queue = mq_open(qname, O_CREAT |O_RDWR | O_NONBLOCK,
			S_IRUSR | S_IWUSR, &attr);
        if (queue == (mqd_t)-1) {
                perror("mq_open() did not return success");
                return PTS_UNRESOLVED;
        }

	// Verify mq_send() returns -1
        if (mq_send(queue+1, msgptr, strlen(msgptr), 1) != -1) {
                printf("mq_send() did not return -1 on invalid queue\n");
		failure=1;
        }

	// Verify errno is set
	if (errno != EBADF) {
		printf("errno was not set on invalid queue\n");
		failure = 1;
	}

	// Verify message was not queued (cannot be received)
        if (mq_receive(queue, msgrcd, BUFFER, &pri) != -1) {
        	if (strcmp(msgptr, msgrcd) == 0) {
			printf("Message ended up being sent\n");
			failure = 1;
		} else {
			printf("Error with mq_receive()\n");
			unresolved = 1;
		}
        }

        if (mq_close(queue) != 0) {
		perror("mq_close() did not return success");
		unresolved=1;
        }

        if (mq_unlink(qname) != 0) {
		perror("mq_unlink() did not return success");
		unresolved=1;
        }

	if (failure==1) {
		printf("Test FAILED\n");
		return PTS_FAIL;
	}

	if (unresolved==1) {
		printf("Test UNRESOLVED\n");
		return PTS_UNRESOLVED;
	}

        printf("Test PASSED\n");
        return PTS_PASS;
}