Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::signal.flush - Flushing all pending signals for a task
SYNOPSIS
signal.flush
VALUES
pid_name
The name of the process associated with the task performing the flush
task
The task handler of the process performing the flush
name
Name of the probe point
sig_pid
The PID of the process associated with the task performing the flush
SEE ALSO
tapset::signal(3stap)
SystemTap Tapset Reference April 2016 PROBE::SIGNAL.FLUS(3stap)