1 /* $NetBSD: pl_1.c,v 1.7 1999/09/08 21:45:30 jsm Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)pl_1.c 8.1 (Berkeley) 5/31/93"; 40 #else 41 __RCSID("$NetBSD: pl_1.c,v 1.7 1999/09/08 21:45:30 jsm Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "player.h" 46 #include <sys/types.h> 47 #include <sys/wait.h> 48 #include <unistd.h> 49 50 /* 51 * If we get here before a ship is chosen, then ms == 0 and 52 * we don't want to update the score file, or do any Write's either. 53 * We can assume the sync file is already created and may need 54 * to be removed. 55 * Of course, we don't do any more Sync()'s if we got here 56 * because of a Sync() failure. 57 */ 58 void 59 leave(conditions) 60 int conditions; 61 { 62 (void) signal(SIGHUP, SIG_IGN); 63 (void) signal(SIGINT, SIG_IGN); 64 (void) signal(SIGQUIT, SIG_IGN); 65 (void) signal(SIGALRM, SIG_IGN); 66 (void) signal(SIGCHLD, SIG_IGN); 67 68 if (done_curses) { 69 Msg("It looks like you've had it!"); 70 switch (conditions) { 71 case LEAVE_QUIT: 72 break; 73 case LEAVE_CAPTURED: 74 Msg("Your ship was captured."); 75 break; 76 case LEAVE_HURRICAN: 77 Msg("Hurricane! All ships destroyed."); 78 break; 79 case LEAVE_DRIVER: 80 Msg("The driver died."); 81 break; 82 case LEAVE_SYNC: 83 Msg("Synchronization error."); 84 break; 85 default: 86 Msg("A funny thing happened (%d).", conditions); 87 } 88 } else { 89 switch (conditions) { 90 case LEAVE_QUIT: 91 break; 92 case LEAVE_DRIVER: 93 printf("The driver died.\n"); 94 break; 95 case LEAVE_FORK: 96 perror("fork"); 97 break; 98 case LEAVE_SYNC: 99 printf("Synchronization error\n."); 100 break; 101 default: 102 printf("A funny thing happened (%d).\n", 103 conditions); 104 } 105 } 106 107 if (ms != 0) { 108 logger(ms); 109 if (conditions != LEAVE_SYNC) { 110 makemsg(ms, "Captain %s relinquishing.", 111 mf->captain); 112 Write(W_END, ms, 0, 0, 0, 0); 113 (void) Sync(); 114 } 115 } 116 sync_close(!hasdriver); 117 sleep(5); 118 cleanupscreen(); 119 exit(0); 120 } 121 122 /*ARGSUSED*/ 123 void 124 choke(n) 125 int n __attribute__((__unused__)); 126 { 127 leave(LEAVE_QUIT); 128 } 129 130 /*ARGSUSED*/ 131 void 132 child(n) 133 int n __attribute__((__unused__)); 134 { 135 union wait status; 136 int pid; 137 138 (void) signal(SIGCHLD, SIG_IGN); 139 do { 140 pid = wait3((int *)&status, WNOHANG, (struct rusage *)0); 141 if (pid < 0 || (pid > 0 && !WIFSTOPPED(status))) 142 hasdriver = 0; 143 } while (pid > 0); 144 (void) signal(SIGCHLD, child); 145 } 146