/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2012, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* ---
*
* shutdown.c: Shuts down server. Runs at low priority.
- *
+ *
* Known contributors to this file:
* Ken Stevens, 1995
- * Markus Armbruster, 2007
+ * Markus Armbruster, 2007-2008
*/
#include <config.h>
#include <time.h>
#include "empthread.h"
-#include "file.h"
#include "nat.h"
#include "prototypes.h"
#include "server.h"
int shutdown_pending;
+static empth_t *shutdown_thread;
static void shutdown_sequence(void *unused);
+/*
+ * Initiate shutdown in MINS_FROM_NOW minutes.
+ * If MINS_FROM_NOW is negative, cancel any pending shutdown instead.
+ * Return -1 on error, zero when no shutdown was pending, positive
+ * number when a pending shutdown was modified.
+ */
int
shutdown_initiate(int mins_from_now)
{
shutdown_pending = mins_from_now + 1;
- if (old_pending) {
- pr_wall("The shutdown time has been changed to %d minutes!\n",
- mins_from_now);
- /* FIXME wake up shutdown_sequence() */
+ if (shutdown_thread) {
+ if (old_pending)
+ pr_wall("The shutdown time has been changed to %d minutes!\n",
+ mins_from_now);
+ empth_wakeup(shutdown_thread);
} else {
- if (!empth_create(shutdown_sequence, 50 * 1024, 0,
- "shutdownSeq", NULL))
+ shutdown_thread = empth_create(shutdown_sequence, 50 * 1024, 0,
+ "shutdownSeq", NULL);
+ if (!shutdown_thread) {
+ shutdown_pending = 0;
return -1;
+ }
}
return old_pending;
/* FIXME error due to late wakeup accumulates */
empth_sleep(now + 60);
}
+
+ shutdown_thread = NULL;
}