1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1996 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 # include <string.h>
31 # include <stropts.h>
32 # include <errno.h>
33 # include <stdlib.h>
34 # include <unistd.h>
35
36 # include "lp.h"
37 # include "msgs.h"
38
mdestroy(MESG * md)39 int mdestroy(MESG *md)
40 {
41 struct pollfd pfd;
42 struct strrecvfd recbuf;
43
44 if (!md || md->type != MD_MASTER || md->file == NULL) {
45 errno = EINVAL;
46 return(-1);
47 }
48
49 if (fdetach(md->file) != 0)
50 return(-1);
51
52 pfd.fd = md->readfd;
53 pfd.events = POLLIN;
54 while (poll(&pfd, 1, 500) > 0) {
55 if (ioctl(md->readfd, I_RECVFD, &recbuf) == 0)
56 close(recbuf.fd);
57 }
58
59 /*
60 * Pop connld module
61 */
62 if (ioctl(md->writefd, I_POP, 0) != 0)
63 return(-1);
64
65 Free(md->file);
66 md->file = NULL;
67
68 (void) mdisconnect(md);
69
70 return(0);
71 }
72