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

NAME
tapset::guru-signal - systemtap guru-signal tapset
DESCRIPTION
Functions in the guru-signal tapset allow a probe handler to queue
a user-space signals. Such operations may only be safe from some
kinds of probe points, therefore are guru-mode only.
raise raise a signal in the current thread
See function::raise(3stap)
for details.
SEE ALSO
function::raise(3stap), stap(1), stapprobes(3stap)
SystemTap Tapset Reference March 2016 TAPSET::GURU-SIGNAL(3stap)