handleIsOpen
Overrideable method to control the open / close behaviour of an IOService.
Declaration
virtual bool handleIsOpen(
const IOService *forClient ) const;Parameters
- forClient:
If non-zero, isOpen returns the open state for that client. If zero is passed, isOpen returns the open state for all clients.
Return Value
Returns true if the specific, or any, client has the IOService open.
Overview
See IOService for discussion.