diff --git a/timers.c b/timers.c
new file mode 100644
index 00000000..5a9637a5
--- /dev/null
+++ b/timers.c
@@ -0,0 +1,97 @@
+/*
+
+uWSGI timers implementation
+
+based on Linux hrtimers and nginx timeout management.
+
+rbtree with allowed duplicate keys is used (code inspired by http://en.wikipedia.org/wiki/Red-black_tree)
+
+*/
+
+#define RBT_BLACK	0
+#define RBT_RED		1
+
+struct uwsgi_timer {
+	
+	time_t	key;
+
+	struct uwsgi_timer	*left;	
+	struct uwsgi_timer	*right;	
+	struct uwsgi_timer	*parent;	
+
+	uint8_t color;
+
+	void *data;
+	
+};
+
+struct uwsgi_timer *uwsgi_init_timer() {
+
+	struct uwsgi_timer *ut = uwsgi_malloc(sizeof(struct uwsgi_timer));
+
+	ut->key = LONG_MAX;
+
+	ut->left = NULL;
+	ut->right = NULL;
+	ut->parent = NULL;
+
+	ut->color = RB_BLACK
+	ut->data = NULL;
+
+	return ut;
+}
+
+struct uwsgi_timer *uwsgi_min_timer(struct uwsgi_timer *root) {
+
+	struct uwsgi_timer *node = root;
+
+	while(node->left != NULL) {
+		node = node->left;
+	}
+
+	return node;
+}
+
+void uwsgi_add_timer(struct uwsgi_timer *root, time_t key, void *data) {
+
+	struct uwsgi_timer *ut = uwsgi_malloc(sizeof(struct uwsgi_timer));
+	struct uwsgi_timer *node = root;
+
+	ut->key = key;
+
+	// attach to parent
+	for(;;) {
+		
+	}
+	
+	ut->left = NULL;
+	ut->right = NULL;
+
+	ut->color = RBT_READ;
+
+}
+
+void uwsgi_del_timer(struct uwsgi_timer_pool *pool, time_t key) {
+
+	rbtree_remove(pool->rbtree, key);
+
+}
+
+void uwsgi_expire_timers(struct uwsgi_timer_pool *pool) {
+
+	// nginx use a time cache, probably we can do it the same in async loop
+	time_t now = time(NULL);
+
+	for(;;) {
+
+		node = rbtree_min(pool->rbtree);
+
+		if (node->key <= now) {
+			rbtree_remove(pool->rbtree, node->key);
+			continue;
+		}
+
+		return;
+	}
+
+}
diff --git a/uwsgi.c b/uwsgi.c
index c5dce797..663d9d15 100644
--- a/uwsgi.c
+++ b/uwsgi.c
@@ -238,9 +238,10 @@ void grace_them_all()
 		kill(uwsgi.workers[i].pid, SIGHUP);
 	}
 
-	for (i = 0; i <= uwsgi.shared->daemons_cnt; i++) {
+	for (i = 0; i < uwsgi.shared->daemons_cnt; i++) {
 		kill(uwsgi.shared->daemons[i].pid, SIGKILL);
 	}
+
 }
 
 void reap_them_all()
@@ -252,7 +253,7 @@ void reap_them_all()
 		kill(uwsgi.workers[i].pid, SIGTERM);
 	}
 
-	for (i = 0; i <= uwsgi.shared->daemons_cnt; i++) {
+	for (i = 0; i < uwsgi.shared->daemons_cnt; i++) {
 		kill(uwsgi.shared->daemons[i].pid, SIGKILL);
 	}
 }