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 */
leave(conditions)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
choke()91 choke()
92 {
93 leave(LEAVE_QUIT);
94 }
95
96 void
child()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