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__) 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