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begin

  WriteLn('cloned process PID: ', PID );

  WriteLn('Press <ESC> to kill ... ' );

  repeat

    Write('.');

    Select(0,0,0,0,300);

    if KeyPressed then

      case ReadKey of

        #27: Ready := true;

        'a': aChar := 'A';

        'A': aChar := 'a';

        'b': aChar := 'b';

        'B': aChar := 'B';

      end;

  until Ready;

  WriteLn('Ready.');

end;

const

  StackSze = 16384;

  theFlags = CLONE_VM+CLONE_FS+CLONE_FILES+CLONE_SIGHAND;

  aMsg     : PChar = 'Oops !';

var

  theStack : Pointer;

  ExitStat : LongInt;

begin

  GetMem(theStack,StackSze);

  PID := Clone(@CloneProc,

               Pointer( LongInt(theStack)+StackSze),

               theFlags,

               aMsg);

  if PID < 0 then

    WriteLn('Error : ', LinuxError, ' when cloning.')

  else

    begin

    MainProc;

    case WaitPID(0,@ExitStat,Wait_Untraced or wait_clone) of

      -1: WriteLn('error:',LinuxError,'; ',StrError(LinuxError));

       0: WriteLn('error:',LinuxError,'; ',StrError(LinuxError));

    else

      WriteLn('Clone exited with: ',ExitStat shr 8);

    end;

    end;

  FreeMem( theStack, StackSze );

end.

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