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 1.4 */
27 /* LINTLIBRARY */
28 # include <errno.h>
29
30 # include "lp.h"
31 # include "msgs.h"
32
33 extern MESG *lp_Md;
34 extern int discon3_2_is_running;
35
36 /*
37 ** msend() - SEND A MESSAGE VIA FIFOS
38 */
39
40 #if defined(__STDC__)
msend(char * msgbuf)41 int msend ( char * msgbuf )
42 #else
43 int msend (msgbuf)
44 char *msgbuf;
45 #endif
46 {
47 int rval;
48
49 do
50 {
51 if ((rval = mwrite(lp_Md, msgbuf)) < 0)
52 {
53 /*
54 ** "mclose()" will try to say goodbye to the Spooler,
55 ** and that, of course, will fail. But we'll call
56 ** "mclose()" anyway, for the other cleanup it does.
57 */
58 if (errno == EPIPE)
59 {
60 if (!discon3_2_is_running)
61 (void)mclose ();
62 errno = EIDRM;
63 }
64 }
65 }
66 while (rval < 0 && errno == EINTR);
67
68 return(rval);
69 }
70