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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 oldlinux;
Procedure DoSig(sig : Longint);cdecl;
begin
writeln('Receiving signal: ',sig);
end;
begin
SigNal(SigUsr1,@DoSig);
if LinuxError<>0 then
begin
writeln('Error: ',linuxerror,'.');
halt(1);
end;
Writeln ('Send USR1 signal or press <ENTER> to exit');
readln;
end.
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