The Time Manager calls InsTime, PrimeTime, and RmvTime have been replaced with a new set of services, described in Timing Services. The timing routines available are
In the past, there have been special services provided to 68K drivers to allow for delayed processing. These mechanisms, such as dNeedTime, drvrDelay, and accRun, are specific to the Macintosh Toolbox and the Process Manager. These facilities will continue to be provided for Toolbox code resources; drivers written to be compatible with the native driver specification will never run in a Toolbox context and hence may not make use of these facilities.