Check whether a signal appears in a signal set.
Source position: bunxovlh.inc line 82
function FpSigIsMember(
const nset: tsigset ;
signo: cint
):cint ;
FpSigIsMember checks whether SigNo appears in the set nset. If it is a member, then 1 is returned. If not, zero is returned.
If an invalid signal number is given, -1 is returned.
Clear all signals from signal set.
Set all signals in signal set.
Set a signal in a signal set.
Remove a signal from a signal set.