DOKK / manpages / debian 10 / systemtap-doc / probe::signal.procmask.3stap.en
PROBE::SIGNAL.PROC(3stap) Signal Tapset PROBE::SIGNAL.PROC(3stap)

probe::signal.procmask - Examining or changing blocked signals

signal.procmask 

how

Indicates how to change the blocked signals; possible values are SIG_BLOCK=0 (for blocking signals), SIG_UNBLOCK=1 (for unblocking signals), and SIG_SETMASK=2 for setting the signal mask.

name

Name of the probe point

sigset_addr

The address of the signal set (sigset_t) to be implemented

oldsigset_addr

The old address of the signal set (sigset_t)

sigset

The actual value to be set for sigset_t (correct?)

tapset::signal(3stap)

October 2018 SystemTap Tapset Reference