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 31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 32 # include <string.h> 33 # include <stropts.h> 34 # include <errno.h> 35 # include <stdlib.h> 36 # include <unistd.h> 37 38 # include "lp.h" 39 # include "msgs.h" 40 41 int mdestroy(MESG *md) 42 { 43 struct pollfd pfd; 44 struct strrecvfd recbuf; 45 46 if (!md || md->type != MD_MASTER || md->file == NULL) { 47 errno = EINVAL; 48 return(-1); 49 } 50 51 if (fdetach(md->file) != 0) 52 return(-1); 53 54 pfd.fd = md->readfd; 55 pfd.events = POLLIN; 56 while (poll(&pfd, 1, 500) > 0) { 57 if (ioctl(md->readfd, I_RECVFD, &recbuf) == 0) 58 close(recbuf.fd); 59 } 60 61 /* 62 * Pop connld module 63 */ 64 if (ioctl(md->writefd, I_POP, 0) != 0) 65 return(-1); 66 67 Free(md->file); 68 md->file = NULL; 69 70 (void) mdisconnect(md); 71 72 return(0); 73 } 74