--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+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 3 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, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <sys/time.h>
+
+#include "keyboard.h"
+#include "mouse.h"
+#include "shalloc.h"
+#include "winnie.h"
+
+static Subsys *subsys;
+
+bool winnie_init()
+{
+ if(!init_shared_memory()) {
+ return false;
+ }
+
+ if(!(subsys = (Subsys*)sh_malloc(sizeof *subsys))) {
+ return false;
+ }
+
+ if(!init_gfx()) {
+ return false;
+ }
+
+ if(!init_window_manager()) {
+ return false;
+ }
+
+ if(!init_keyboard()) {
+ return false;
+ }
+
+ if(!init_mouse()) {
+ return false;
+ }
+
+ if(!init_text()) {
+ return false;
+ }
+
+ wm->invalidate_region(get_screen_size());
+ return true;
+}
+
+void winnie_shutdown()
+{
+ destroy_gfx();
+ destroy_keyboard();
+ destroy_mouse();
+ destroy_text();
+ destroy_window_manager();
+
+ sh_free(subsys);
+
+ destroy_shared_memory();
+}
+
+long winnie_get_time()
+{
+ static struct timeval init_tv;
+ struct timeval tv;
+
+ gettimeofday(&tv, 0);
+
+ if(!tv.tv_sec && !tv.tv_usec) {
+ init_tv = tv;
+ return 0;
+ }
+
+ return (tv.tv_usec - init_tv.tv_usec) / 1000 + (tv.tv_sec - init_tv.tv_sec) * 1000;
+}
+
+Subsys *get_subsys()
+{
+ return subsys;
+}