mdestroy.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 1996 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
# include <string.h>
# include <stropts.h>
# include <errno.h>
# include <stdlib.h>
# include <unistd.h>
# include "lp.h"
# include "msgs.h"
int mdestroy(MESG *md)
{
struct pollfd pfd;
struct strrecvfd recbuf;
if (!md || md->type != MD_MASTER || md->file == NULL) {
errno = EINVAL;
return(-1);
}
if (fdetach(md->file) != 0)
return(-1);
pfd.fd = md->readfd;
pfd.events = POLLIN;
while (poll(&pfd, 1, 500) > 0) {
if (ioctl(md->readfd, I_RECVFD, &recbuf) == 0)
close(recbuf.fd);
}
/*
* Pop connld module
*/
if (ioctl(md->writefd, I_POP, 0) != 0)
return(-1);
Free(md->file);
md->file = NULL;
(void) mdisconnect(md);
return(0);
}