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{ %norun }
{ %target=linux }
program test;
{$mode delphi}{$H+}
Uses cthreads, Classes, SysUtils, BaseUnix;
Const Fn = '/tmp/fpctest.lock';
F_RDLCK = 0;
F_WRLCK = 1;
F_UNLCK = 2;
Var F, I : Integer;
Region : FLock;
Begin
F := FpOpen (Fn, O_RDWR Or O_CREAT, $1B6); // $1B6 = o666
With Region Do Begin
l_type := F_RDLCK; l_whence := SEEK_SET;
l_start := 80; l_len := 1
End;
If FpFcntl (F, F_SETLK, Region) = -1 Then
begin
writeln(fpgeterrno);
WriteLn ('unable to apply readlock on 80'); // <-- Error
halt(1);
end;
FpClose (F);
End.
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