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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
27 /* LINTLIBRARY */
28
29 # include <stropts.h>
30 # include <errno.h>
31 # include <stdlib.h>
32
33 #include "lp.h"
34 #include "msgs.h"
35
36 #if defined(__STDC__)
37 static void disconnect3_2 ( MESG * );
38 #else
39 static void disconnect3_2();
40 #endif
41
42 #if defined(__STDC__)
mdisconnect(MESG * md)43 int mdisconnect ( MESG * md )
44 #else
45 int mdisconnect (md)
46 MESG *md;
47 #endif
48 {
49 int retvalue = 0;
50 void (**fnp)();
51 MQUE *p;
52
53 if (!md)
54 {
55 errno = ENXIO;
56 return(-1);
57 }
58
59 switch(md->type)
60 {
61 case MD_CHILD:
62 case MD_STREAM:
63 case MD_BOUND:
64 if (md->writefd >= 0)
65 (void) Close(md->writefd);
66 if (md->readfd >= 0)
67 (void) Close(md->readfd);
68 break;
69
70 case MD_USR_FIFO:
71 case MD_SYS_FIFO:
72 disconnect3_2(md);
73 break;
74 }
75
76 if (md->on_discon)
77 {
78 for (fnp = md->on_discon; *fnp; fnp++)
79 {
80 (*fnp)(md);
81 retvalue++;
82 }
83 Free(md->on_discon);
84 }
85
86 if (md->file)
87 Free(md->file);
88
89 if (md->mque)
90 {
91 while ((p = md->mque) != NULL)
92 {
93 md->mque = p->next;
94 Free(p->dat->buf);
95 Free(p->dat);
96 Free(p);
97 }
98 }
99 Free(md);
100
101 return(retvalue);
102 }
103
104 int discon3_2_is_running = 0;
105
106 #if defined(__STDC__)
disconnect3_2(MESG * md)107 static void disconnect3_2 ( MESG * md )
108 #else
109 static void disconnect3_2 (md)
110 MESG *md;
111 #endif
112 {
113 char *msgbuf = 0;
114 int size;
115
116 discon3_2_is_running = 1;
117
118 if (md->writefd != -1)
119 {
120 size = putmessage((char *)0, S_GOODBYE);
121 if ((msgbuf = (char *)Malloc((unsigned)size)))
122 {
123 (void)putmessage (msgbuf, S_GOODBYE);
124 (void)msend (msgbuf);
125 Free (msgbuf);
126 }
127
128 (void) Close (md->writefd);
129 }
130
131 if (md->readfd != -1)
132 (void) Close (md->readfd);
133
134 if (md->file)
135 {
136 (void) Unlink (md->file);
137 Free (md->file);
138 }
139
140 discon3_2_is_running = 0;
141 }
142