Set a signal in a signal set.
Source position: bunxovlh.inc line 80
function FpSigAddSet(
var nset: tsigset ;
signo: cint
):cint ;
FpSigAddSet adds signal Signo to the signal set nset. The function returns 0 on success.
If an invalid signal number is given, -1 is returned.
Clear all signals from signal set.
Set all signals in signal set.
Remove a signal from a signal set.
Check whether a signal appears in a signal set.