Provided by: systemtap-doc_3.1-3ubuntu0.1_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
sig_pid
The PID 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
SEE ALSO
tapset::signal(3stap)
SystemTap Tapset Reference March 2016 PROBE::SIGNAL.FLUS(3stap)