int32 GetHSecTime (Item ioreq)
The return value will overflow an int32 representation after the machine has been powered on for about 250 days. In other words, this function is probably appropriate for debugging and performance measurement, but may NOT be appropriate for a final application, since some application environments (such as cable TV) are almost certain to run on a machine powered on for months at a time.
GetTimerIOReq()
, or zero to have an IOReq dynamically created/deleted during the call.
GetTimerIOReq