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