处理任务队列的工作线程的创建

工作线程的数量和CPU数量是息息相关的，CPU数量越多则可以创建越多的工作线程数量。

var
si: TSystemInfo;

GetSystemInfo(si);
g_decode_handle := CreateIoCompletionPort(INVALID_HANDLE_VALUE, 0, 0, 1);
g_work_handle := CreateIoCompletionPort(INVALID_HANDLE_VALUE, 0, 0, si.dwNumberOfProcessors);
SetLength(workers, si.dwNumberOfProcessors);
Label6.Caption := IntToStr(si.dwNumberOfProcessors);
for i := Low(workers) to High(workers) do
workers[i] := TWorkThread.Create;