diff --git a/src/kernel/hal/resman.c b/src/kernel/hal/resman.c
index 8579b4a3..785636c3 100755
--- a/src/kernel/hal/resman.c
+++ b/src/kernel/hal/resman.c
@@ -3,12 +3,23 @@
 #include <kernel.h>
 
 typedef struct resman {
-  rbtree_t rbtree;
-  i32      next_id;
+  avltree_t avltree;
+  i32       next_id;
 } *resman_t;
 
+typedef struct file_describtor {
+  vfs_node_t node;
+  i32        refrence_cout;
+} *file_describtor_t;
+
+list_t file_descrabtors;
 void resman_init(resman_t man);
 
+static i32 alloc_next_id(resman_t man) {
+  while (avltree_get(man->avltree, man->next_id++))
+    ;
+  return man->next_id - 1;
+}
 resman_t resman_alloc() {
   resman_t man = malloc(sizeof(struct resman));
   resman_init(man);
@@ -17,10 +28,11 @@ resman_t resman_alloc() {
 
 void resman_init(resman_t man) {
   if (man == null) return;
-  man->rbtree  = null;
+  man->avltree = null;
   man->next_id = 0;
 }
 
+int  resman_open(i32 working_dir, cstr path) {}
 void resman_deinit(resman_t man) {
-  rbtree_free(man->rbtree);
+  avltree_free(man->avltree);
 }