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 2005 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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <locale.h> 33 #include "stdio.h" 34 #include "signal.h" 35 #include "string.h" 36 #include "sys/types.h" 37 #include "errno.h" 38 #include "stdlib.h" 39 40 #include "lp.h" 41 #include "msgs.h" 42 43 #define WHO_AM_I I_AM_LPSHUT 44 #include "oam.h" 45 46 void startup(), 47 cleanup(), 48 done(); 49 50 /* 51 * There are no sections of code in this progam that have to be 52 * protected from interrupts. We do want to catch them, however, 53 * so we can clean up properly. 54 */ 55 56 /** 57 ** main() 58 **/ 59 60 int 61 main(int argc, char *argv[]) 62 { 63 char msgbuf[MSGMAX]; 64 char * tempo; 65 66 int mtype; 67 68 short status; 69 70 71 (void) setlocale (LC_ALL, ""); 72 73 #if !defined(TEXT_DOMAIN) 74 #define TEXT_DOMAIN "SYS_TEST" 75 #endif 76 (void) textdomain(TEXT_DOMAIN); 77 78 if (argc > 1) 79 if (STREQU(argv[1], "-?")) { 80 printf (gettext("usage: lpshut\n")); 81 exit (0); 82 83 } else { 84 LP_ERRMSG1 (ERROR, E_LP_OPTION, argv[1]); 85 exit (1); 86 } 87 88 89 startup (); 90 91 if ((tempo = getenv("LPSHUT")) && STREQU(tempo, "slow")) 92 (void)putmessage (msgbuf, S_SHUTDOWN, 0); 93 else 94 (void)putmessage (msgbuf, S_SHUTDOWN, 1); 95 96 if (msend(msgbuf) == -1) { 97 LP_ERRMSG (ERROR, E_LP_MSEND); 98 done (1); 99 } 100 if (mrecv(msgbuf, sizeof(msgbuf)) == -1) { 101 LP_ERRMSG (ERROR, E_LP_MRECV); 102 done (1); 103 } 104 105 mtype = getmessage(msgbuf, R_SHUTDOWN, &status); 106 if (mtype != R_SHUTDOWN) { 107 LP_ERRMSG1 (ERROR, E_LP_BADREPLY, mtype); 108 done (1); 109 } 110 111 switch (status) { 112 113 case MOK: 114 printf (gettext("Print services stopped.\n")); 115 done (0); 116 117 case MNOPERM: 118 LP_ERRMSG (WARNING, E_SHT_CANT); 119 done (1); 120 121 default: 122 LP_ERRMSG1 (ERROR, E_LP_BADSTATUS, status); 123 done (1); 124 } 125 /*NOTREACHED*/ 126 return (0); 127 } 128 129 /** 130 ** startup() - OPEN MESSAGE QUEUE TO SPOOLER 131 **/ 132 133 void startup () 134 { 135 void catch(); 136 137 /* 138 * Open a private queue for messages to the Spooler. 139 * An error is deadly. 140 */ 141 if (mopen() == -1) { 142 143 switch (errno) { 144 case ENOMEM: 145 case ENOSPC: 146 LP_ERRMSG (ERROR, E_LP_MLATER); 147 exit (1); 148 /*NOTREACHED*/ 149 150 default: 151 printf (gettext("Print services already stopped.\n")); 152 exit (1); 153 /*NOTREACHED*/ 154 } 155 } 156 157 /* 158 * Now that the queue is open, quickly trap signals 159 * that we might get so we'll be able to close the 160 * queue again, regardless of what happens. 161 */ 162 if(signal(SIGHUP, SIG_IGN) != SIG_IGN) 163 signal(SIGHUP, catch); 164 if(signal(SIGINT, SIG_IGN) != SIG_IGN) 165 signal(SIGINT, catch); 166 if(signal(SIGQUIT, SIG_IGN) != SIG_IGN) 167 signal(SIGQUIT, catch); 168 if(signal(SIGTERM, SIG_IGN) != SIG_IGN) 169 signal(SIGTERM, catch); 170 171 return; 172 } 173 174 /** 175 ** catch() - CATCH INTERRUPT, HANGUP, ETC. 176 **/ 177 178 void catch (sig) 179 int sig; 180 { 181 signal (sig, SIG_IGN); 182 done (1); 183 } 184 185 /** 186 ** cleanup() - CLOSE THE MESSAGE QUEUE TO THE SPOOLER 187 **/ 188 189 void cleanup () 190 { 191 mclose (); 192 return; 193 } 194 195 /** 196 ** done() - CLEANUP AND EXIT 197 **/ 198 199 void done (ec) 200 int ec; 201 { 202 cleanup (); 203 exit (ec); 204 } 205