var
NextNumber: Integer = 0;
DoneFlags: Integer = 0;
GlobalArray: array[1..MaxSize] of Integer;
hMutex: THandle = 0;
function GetNextNumber: Integer;
begin
Result := NextNumber; // return global var
Inc(NextNumber); // inc global var
end;
procedure TFooThread.Execute;
var
i: Integer;
begin
FreeOnTerminate := True;
OnTerminate := MainForm.ThreadsDone;
if WaitForSingleObject(hMutex, INFINITE) = WAIT_OBJECT_0 then
begin
for i := 1 to MaxSize do
begin
GlobalArray[i] := GetNextNumber; // set array element
Sleep(5); // let thread intertwine
end;
end;
ReleaseMutex(hMutex);
end;
procedure TMainForm.ThreadsDone(Sender: TObject);
var
i: Integer;
begin
Inc(DoneFlags);
if DoneFlags = 2 then // make sure both threads finished
begin
for i := 1 to MaxSize do
{ fill listbox with array contents }
Listbox1.Items.Add(IntToStr(GlobalArray[i]));
CloseHandle(hMutex);
end;
end;
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