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

NAME
probe::signal.do_action.return - Examining or changing a signal action completed
SYNOPSIS
signal.do_action.return
VALUES
name
Name of the probe point
retstr
Return value as a string
SystemTap Tapset Reference March 2016 PROBE::SIGNAL.DO_A(3stap)