/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


#ident  "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.4   */
/* LINTLIBRARY */
# include       <errno.h>

# include       "lp.h"
# include       "msgs.h"

extern MESG     *lp_Md;
extern int      discon3_2_is_running;

/*
** msend() - SEND A MESSAGE VIA FIFOS
*/

#if     defined(__STDC__)
int msend ( char * msgbuf )
#else
int msend (msgbuf)
    char        *msgbuf;
#endif
{
    int         rval;

    do
    {
        if ((rval = mwrite(lp_Md, msgbuf)) < 0)
        {
            /*
            ** "mclose()" will try to say goodbye to the Spooler,
            ** and that, of course, will fail. But we'll call
            ** "mclose()" anyway, for the other cleanup it does.
            */
            if (errno == EPIPE)
            {
                if (!discon3_2_is_running)
                    (void)mclose ();
                errno = EIDRM;
            }
        }
    }
    while (rval < 0 && errno == EINTR);

    return(rval);
}