xref: /onnv-gate/usr/src/cmd/lp/lib/msgs/msend.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4	*/
27*0Sstevel@tonic-gate /* LINTLIBRARY */
28*0Sstevel@tonic-gate # include	<errno.h>
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate # include	"lp.h"
31*0Sstevel@tonic-gate # include	"msgs.h"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate extern MESG	*lp_Md;
34*0Sstevel@tonic-gate extern int	discon3_2_is_running;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate ** msend() - SEND A MESSAGE VIA FIFOS
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #if	defined(__STDC__)
msend(char * msgbuf)41*0Sstevel@tonic-gate int msend ( char * msgbuf )
42*0Sstevel@tonic-gate #else
43*0Sstevel@tonic-gate int msend (msgbuf)
44*0Sstevel@tonic-gate     char	*msgbuf;
45*0Sstevel@tonic-gate #endif
46*0Sstevel@tonic-gate {
47*0Sstevel@tonic-gate     int		rval;
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate     do
50*0Sstevel@tonic-gate     {
51*0Sstevel@tonic-gate 	if ((rval = mwrite(lp_Md, msgbuf)) < 0)
52*0Sstevel@tonic-gate 	{
53*0Sstevel@tonic-gate 	    /*
54*0Sstevel@tonic-gate 	    ** "mclose()" will try to say goodbye to the Spooler,
55*0Sstevel@tonic-gate 	    ** and that, of course, will fail. But we'll call
56*0Sstevel@tonic-gate 	    ** "mclose()" anyway, for the other cleanup it does.
57*0Sstevel@tonic-gate 	    */
58*0Sstevel@tonic-gate 	    if (errno == EPIPE)
59*0Sstevel@tonic-gate 	    {
60*0Sstevel@tonic-gate 		if (!discon3_2_is_running)
61*0Sstevel@tonic-gate 		    (void)mclose ();
62*0Sstevel@tonic-gate 		errno = EIDRM;
63*0Sstevel@tonic-gate 	    }
64*0Sstevel@tonic-gate 	}
65*0Sstevel@tonic-gate     }
66*0Sstevel@tonic-gate     while (rval < 0 && errno == EINTR);
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate     return(rval);
69*0Sstevel@tonic-gate }
70