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Program example58;
{ Program to demonstrate the Signal function.}
{
do a kill -USR1 pid from another terminal to see what happens.
replace pid with the real pid of this program.
You can get this pid by running 'ps'.
}
uses BaseUnix;
Procedure DoSig(sig : cint);cdecl;
begin
writeln('Receiving signal: ',sig);
end;
begin
if fpSignal(SigUsr1,SignalHandler(@DoSig))=signalhandler(SIG_ERR) then
begin
writeln('Error: ',fpGetErrno,'.');
halt(1);
end;
Writeln ('Send USR1 signal or press <ENTER> to exit');
readln;
end.
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