/*
 * Copyright (c) 2003, Intel Corporation. All rights reserved.
 * Created by:  crystal.xiong 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.
 */
/*
 *  mq_setattr test plan: 
 *  Test that the values of mq_maxmsg, mq_msgsize, mq_curmsgs members of 
 *  the mq_attr structure will be ignored by mq_setattr().
 *  
 *  2/17/2004   call mq_close and mq_unlink before exit to release mq 
 *		resources
 */

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

#define TEST "1-2"
#define FUNCTION "mq_setattr"
#define ERROR_PREFIX "unexpected error: " FUNCTION " " TEST ": "

#define MQFLAGS		1
#define NAMESIZE	50
#define MQCURMSGS	555

int main()
{
	char mqname[NAMESIZE];
	mqd_t mqdes;
	struct mq_attr mqstat, nmqstat;
	int unresolved = 0;
	int failure = 0;

	sprintf(mqname, "/" FUNCTION "_" TEST "_%d", getpid());

	mqdes = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, 0);
	if (mqdes == (mqd_t)-1) {
		perror("mq_open() did not return success");
		return PTS_UNRESOLVED;
	}
	memset(&mqstat,0,sizeof(mqstat));
	memset(&nmqstat,0,sizeof(mqstat));

	if (mq_getattr(mqdes, &mqstat) == -1) {
		perror(ERROR_PREFIX "mq_getattr");
		unresolved = 1;
	}
	mqstat.mq_maxmsg = mqstat.mq_maxmsg + 1;
	mqstat.mq_msgsize = mqstat.mq_msgsize + 1;
	mqstat.mq_curmsgs = mqstat.mq_curmsgs + 1;

	if (mq_setattr(mqdes, &mqstat, NULL) != 0)	{
		perror(ERROR_PREFIX "mq_setattr()");
		failure = 1;
	}
	if (mq_getattr(mqdes, &nmqstat) == -1)	{
		perror(ERROR_PREFIX "mq_getattr()");
		unresolved = 1;
	}
	if ((nmqstat.mq_maxmsg == mqstat.mq_maxmsg)||
	    (nmqstat.mq_msgsize == mqstat.mq_msgsize)||
            (nmqstat.mq_curmsgs == mqstat.mq_curmsgs)) {
		failure = 1;
	}

	mq_close(mqdes);
	mq_unlink(mqname);

	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;
}
