signal.do_action — Examining or changing a signal action
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