Looks up a registry entry by path.
- macOS 10.0+
- Mac Catalyst 13.0+
The master port obtained from IOMasterPort(). Pass kIOMasterPortDefault to look up the default master port.
A handle to the IORegistryEntry witch was found with the path, to be released with IOObjectRelease by the caller, or MACH_PORT_NULL on failure.
This function parses paths to lookup registry entries. The path should begin with '<plane name>:' If there are characters remaining unparsed after an entry has been looked up, this is considered an invalid lookup. Paths are further documented in IORegistryEntry.h
Create a matching dictionary that specifies an IOService match based on BSD device name.
Creates and returns a mach port suitable for receiving IOKit messages of the specified type.
Returns the mach port used to initiate communication with IOKit.
Creates and returns a notification object for receiving IOKit notifications of new devices or state changes.
Returns kernel retain count of an IOKit object. Identical to IOObjectGetKernelRetainCount() but available prior to Mac OS 10.6.
Checks two object handles to see if they represent the same kernel object.
Retains an object handle previously returned by IOKitLib.
Look up registered IOService objects that match a matching dictionary, and install a notification request of new IOServices that match.
Close a connection to an IOService and destroy the connect handle.
Create a matching dictionary that specifies an IOService class match.