--- a/main.c	Wed Jul 23 17:14:38 2008 +0200
+++ b/main.c	Wed Jul 23 17:40:55 2008 +0200
@@ -1,12 +1,29 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "db.h"
-#include "game.h"
+#include "modules.h"
+
+
+void init(void) {
+	/* echo "started backend cycle at `date +%F\ %H:%M:%S`" */
+	db_connect();
+	read_time();
+}
 
 
-void run_module(char* name, void (*module)(void)) {
+void cleanup(void) {
+	db_close();
+	/* echo "finished backend cycle at `date +%F\ %H:%M:%S`" */
+}
+
+
+void run_module(char* name, int (*module)(void)) {
 	printf("  --> %s\n", name);
-	module();
+	if (!module()) {
+		fprintf(stderr, "failure in module '%s'\n", name);
+		cleanup();
+		exit(2);
+	}
 	printf("  --< %s\n", name);
 }
 
@@ -18,11 +35,7 @@
 	}
 	database = argv[1];
 	printf("database '%s'\n", database);
-
-	/* echo "started backend cycle at `date +%F\ %H:%M:%S`" */
-	db_connect();
-	read_time();
-
+	init();
 
 	/* modules */
 	run_module("clock", worldclock);
@@ -32,9 +45,6 @@
 	run_module("growth", growth);
 	/* run_module("orderexec", orderexec); */
 
-
-	db_close();
-	/* echo "finished backend cycle at `date +%F\ %H:%M:%S`" */
-
+	cleanup();
 	return 0;
 }