我有经典的IOCP回调，它以这种方式使i/o挂起的请求出列、处理它们并释放它们:structMyIoRequest{OVERLAPPEDo;/*...otherparams...*/};boolis_iocp_active=true;DWORDWINAPIWorkerProc(LPVOIDlpParam){ULONG_PTRdwKey;DWORDdwTrans;LPOVERLAPPEDio_req;while(is_iocp_active){GetQueuedCompletionStatus((HANDLE)lpParam,&dwTrans,&dwKey,(LPOVERLAPPED*)