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Import of Empire 4.2.12

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Markus Armbruster 2003-08-23 12:23:04 +00:00
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src/lib/commands/forc.c Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* force.c: Force an update to occur (deity)
*
* Known contributors to this file:
* Dave Pare, 1994
*/
#include <sys/types.h>
#include "misc.h"
#include "player.h"
#include "empthread.h"
#include "commands.h"
int
force(void)
{
extern empth_sem_t *update_sem;
extern int update_pending;
extern int shutdown_pending;
int seconds;
time_t now;
if (update_pending) {
pr("Update is pending\n");
return RET_FAIL;
}
if (shutdown_pending) {
pr("Shutdown is pending\n");
return RET_FAIL;
}
if (updates_disabled()) {
pr("Updates are disabled\n");
return RET_FAIL;
}
seconds = onearg(player->argp[1], "Time until update [in seconds]? ");
if (seconds < 0)
return RET_FAIL;
if (seconds) {
time(&now);
pr("Waiting %d seconds...\n", seconds);
empth_sleep(now + seconds);
}
pr("Scheduling update now\n");
empth_sem_signal(update_sem);
return RET_OK;
}