1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)pl_1.c 8.1 (Berkeley) 05/31/93"; 10 #endif /* not lint */ 11 12 #include "player.h" 13 #include <sys/types.h> 14 #include <sys/wait.h> 15 16 /* 17 * If we get here before a ship is chosen, then ms == 0 and 18 * we don't want to update the score file, or do any Write's either. 19 * We can assume the sync file is already created and may need 20 * to be removed. 21 * Of course, we don't do any more Sync()'s if we got here 22 * because of a Sync() failure. 23 */ 24 leave(conditions) 25 int conditions; 26 { 27 (void) signal(SIGHUP, SIG_IGN); 28 (void) signal(SIGINT, SIG_IGN); 29 (void) signal(SIGQUIT, SIG_IGN); 30 (void) signal(SIGALRM, SIG_IGN); 31 (void) signal(SIGCHLD, SIG_IGN); 32 33 if (done_curses) { 34 Signal("It looks like you've had it!", 35 (struct ship *)0); 36 switch (conditions) { 37 case LEAVE_QUIT: 38 break; 39 case LEAVE_CAPTURED: 40 Signal("Your ship was captured.", 41 (struct ship *)0); 42 break; 43 case LEAVE_HURRICAN: 44 Signal("Hurricane! All ships destroyed.", 45 (struct ship *)0); 46 break; 47 case LEAVE_DRIVER: 48 Signal("The driver died.", (struct ship *)0); 49 break; 50 case LEAVE_SYNC: 51 Signal("Synchronization error.", (struct ship *)0); 52 break; 53 default: 54 Signal("A funny thing happened (%d).", 55 (struct ship *)0, conditions); 56 } 57 } else { 58 switch (conditions) { 59 case LEAVE_QUIT: 60 break; 61 case LEAVE_DRIVER: 62 printf("The driver died.\n"); 63 break; 64 case LEAVE_FORK: 65 perror("fork"); 66 break; 67 case LEAVE_SYNC: 68 printf("Synchronization error\n."); 69 break; 70 default: 71 printf("A funny thing happened (%d).\n", 72 conditions); 73 } 74 } 75 76 if (ms != 0) { 77 log(ms); 78 if (conditions != LEAVE_SYNC) { 79 makesignal(ms, "Captain %s relinquishing.", 80 (struct ship *)0, mf->captain); 81 Write(W_END, ms, 0, 0, 0, 0, 0); 82 (void) Sync(); 83 } 84 } 85 sync_close(!hasdriver); 86 cleanupscreen(); 87 exit(0); 88 } 89 90 void 91 choke() 92 { 93 leave(LEAVE_QUIT); 94 } 95 96 void 97 child() 98 { 99 union wait status; 100 int pid; 101 102 (void) signal(SIGCHLD, SIG_IGN); 103 do { 104 pid = wait3((int *)&status, WNOHANG, (struct rusage *)0); 105 if (pid < 0 || pid > 0 && !WIFSTOPPED(status)) 106 hasdriver = 0; 107 } while (pid > 0); 108 (void) signal(SIGCHLD, child); 109 } 110