probe signal.do_action — Initiates a trace when a thread is about to examine
probe signal.do_action
sa_maskThe new mask of the signal
oldsigact_addrThe address of the old <command>sigaction</command> struct associated with the signal
sigThe signal to be examined/changed
sa_handlerThe new handler of the signal
sigact_addrThe address of the new <command>sigaction</command> struct associated with the signal