Only show view tab for current user profile
set your view path to:

user/%/listings


Add a contextual filter of: author uid, and set 'WHEN THE FILTER VALUE IS NOT IN THE URL' to User ID from logged in user.

Add a menu 'Menu Tab'.

For access you have various options. Here is a simple one. 

Install Views PHP and set access to PHP, then add this bit of code in there:

global $user;
return $user-&gt;uid == arg(1);