updateInputPlug
updates the value of an input plug (simulating a lock transaction).
Declaration
virtual IOReturn updateInputPlug(
UInt32plug,
UInt32oldVal,
UInt32newVal);Parameters
- plug:
value returned by allocateInputPlug.
- oldVal:
value returned by readInputPlug.
- newVal:
new value to store in plug if it's current value is oldVal.