Started separating important structs from kernel.c

src/sharedobject.c

@@ -0,0 +1,37 @@
+#include "sharedobject.h"
+#include "avltree.h"
+#include "mmgr.h"
+#include "heap.h"
+
+struct shared_object *create_shared_object(size_t size, unsigned long flags)
+{
+    physaddr_t phys_addr = reserve_pages(size);
+    if(phys_addr == NULL)
+    {
+        return NULL;
+    }
+
+    struct shared_object_t *obj = kmalloc(sizeof(struct shared_object_t));
+    if(obj == NULL)
+    {
+        free_pages(phys_addr);
+        return NULL;
+    }
+
+    obj->phys_addr = phys_addr;
+    obj->size = size;
+    obj->access_flags = flags;
+    obj->refcount = 0;
+    obj->users = NULL;
+    return obj;
+}
+
+void destroy_shared_object(struct shared_object_t *obj)
+{
+    if(obj != NULL)
+    {
+        free_pages(obj->phys_addr);
+        avl_clear(obj->users);
+        kfree(obj);
+    }
+}