Mac OS 9
Data Fields
VDPrivateSelectorDataRec Struct Reference

#include <Video.h>

Data Fields

LogicalAddress privateParameters
 
ByteCount privateParametersSize
 
LogicalAddress privateResults
 
ByteCount privateResultsSize
 

Detailed Description

Private Data to video drivers.

In versions of MacOS with multiple address spaces (System 8), the OS must know the extent of parameters in order to move them between the caller and driver. The old private-selector model for video drivers does not have this information so:

For post-7.x Systems private calls should be implemented using the cscPrivateCall

The documentation for this struct was generated from the following file: