Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::socket.close.return - Return from closing a socket
SYNOPSIS
socket.close.return
VALUES
name
Name of this probe
CONTEXT
The requester (user process or kernel)
DESCRIPTION
Fires at the conclusion of closing a socket.
SystemTap Tapset Reference March 2016 PROBE::SOCKET.CLOS(3stap)