Lines Matching defs:open
341 @function open
344 device object is open, no other drivers will be able to open a connection to the device. When
345 open the device on the bus may disappear, but the in-kernel object representing it will stay
351 IOReturn (*open)( void * self );
355 @abstract Opens a connection to a device that is already open.
356 @discussion Sometimes it is desirable to open multiple user clients on a device. In the case
358 open at the same time.
360 <p>First open normally the device furthest from the root in the IORegistry.</p>
362 <p>Third open the device further up the chain by calling this method and passing the sessionRef returned from the call in step 2.</p>
372 @abstract Returns the session reference to an already open device.
373 @discussion Sometimes it is desirable to open multiple user clients on a device. In the case
375 open at the same time.
377 <p>First open normally the device furthest from the root in the IORegistry.</p>
379 <p>Third open the device further up the chain by calling openWithSessionRef and passing the sessionRef returned from this call.</p>
388 @abstract Opens a connection to a device that is not already open.