147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/* $NetBSD: pl_1.c,v 1.16 2001/02/05 01:10:10 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1983, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)pl_1.c 8.1 (Berkeley) 5/31/93";
|
|
#else
|
|
__RCSID("$NetBSD: pl_1.c,v 1.16 2001/02/05 01:10:10 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include "extern.h"
|
|
#include "player.h"
|
|
|
|
/*
|
|
* If we get here before a ship is chosen, then ms == 0 and
|
|
* we don't want to update the score file, or do any Write's either.
|
|
* We can assume the sync file is already created and may need
|
|
* to be removed.
|
|
* Of course, we don't do any more Sync()'s if we got here
|
|
* because of a Sync() failure.
|
|
*/
|
|
void
|
|
leave(int conditions)
|
|
{
|
|
signal(SIGHUP, SIG_IGN);
|
|
signal(SIGINT, SIG_IGN);
|
|
signal(SIGQUIT, SIG_IGN);
|
|
signal(SIGALRM, SIG_IGN);
|
|
signal(SIGCHLD, SIG_IGN);
|
|
|
|
if (done_curses) {
|
|
Msg("It looks like you've had it!");
|
|
switch (conditions) {
|
|
case LEAVE_QUIT:
|
|
break;
|
|
case LEAVE_CAPTURED:
|
|
Msg("Your ship was captured.");
|
|
break;
|
|
case LEAVE_HURRICAN:
|
|
Msg("Hurricane! All ships destroyed.");
|
|
break;
|
|
case LEAVE_DRIVER:
|
|
Msg("The driver died.");
|
|
break;
|
|
case LEAVE_SYNC:
|
|
Msg("Synchronization error.");
|
|
break;
|
|
default:
|
|
Msg("A funny thing happened (%d).", conditions);
|
|
}
|
|
} else {
|
|
switch (conditions) {
|
|
case LEAVE_QUIT:
|
|
break;
|
|
case LEAVE_DRIVER:
|
|
printf("The driver died.\n");
|
|
break;
|
|
case LEAVE_FORK:
|
|
perror("fork");
|
|
break;
|
|
case LEAVE_SYNC:
|
|
printf("Synchronization error\n.");
|
|
break;
|
|
default:
|
|
printf("A funny thing happened (%d).\n",
|
|
conditions);
|
|
}
|
|
}
|
|
|
|
if (ms != 0) {
|
|
logger(ms);
|
|
if (conditions != LEAVE_SYNC) {
|
|
makemsg(ms, "Captain %s relinquishing.",
|
|
mf->captain);
|
|
Write(W_END, ms, 0, 0, 0, 0);
|
|
Sync();
|
|
}
|
|
}
|
|
sync_close(!hasdriver);
|
|
sleep(5);
|
|
cleanupscreen();
|
|
exit(0);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
choke(int n __attribute__((__unused__)))
|
|
{
|
|
leave(LEAVE_QUIT);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
child(int n __attribute__((__unused__)))
|
|
{
|
|
union wait status;
|
|
int pid;
|
|
|
|
signal(SIGCHLD, SIG_IGN);
|
|
do {
|
|
pid = wait3((int *)&status, WNOHANG, (struct rusage *)0);
|
|
if (pid < 0 || (pid > 0 && !WIFSTOPPED(status)))
|
|
hasdriver = 0;
|
|
} while (pid > 0);
|
|
signal(SIGCHLD, child);
|
|
}
|