Provided by: systemtap-doc_3.1-3ubuntu0.1_all 

NAME
function::is_sig_blocked - Returns 1 if the signal is currently blocked, or 0 if it is not
SYNOPSIS
is_sig_blocked:long(task:long,sig:long)
ARGUMENTS
task
address of the task_struct to query.
sig
the signal number to test.
SEE ALSO
tapset::signal(3stap)
SystemTap Tapset Reference March 2016 FUNCTION::IS_SIG_BLO(3stap)