IOMasterPort(_:_:)
Returns the mach port used to initiate communication with IOKit.
Declaration
func IOMasterPort(_ bootstrapPort: mach_port_t, _ mainPort: UnsafeMutablePointer<mach_port_t>!) -> kern_return_tParameters
- bootstrapPort:
Pass MACH_PORT_NULL for the default.
- masterPort:
The primary port is returned.
Return Value
A kern_return_t error code.
Discussion
Functions that don't specify an existing object require the IOKit primary port to be passed. This function obtains that port.
See Also
Miscellaneous
IOBSDNameMatching(_:_:_:)IOConnectAddClient(_:_:)IOConnectAddRef(_:)IOConnectGetService(_:_:)IOConnectMapMemory(_:_:_:_:_:_:)IOConnectMapMemory64(_:_:_:_:_:_:)IOConnectRelease(_:)IOConnectSetCFProperties(_:_:)IOConnectSetCFProperty(_:_:_:)IOConnectSetNotificationPort(_:_:_:_:)IOConnectUnmapMemory(_:_:_:_:)IOConnectUnmapMemory64(_:_:_:_:)IOCreateReceivePort(_:_:)IODispatchCalloutFromMessage(_:_:_:)IOIteratorIsValid(_:)IOIteratorNext(_:)IOIteratorReset(_:)IOKitGetBusyState(_:_:)IOKitWaitQuiet(_:_:)IONotificationPortCreate(_:)IONotificationPortDestroy(_:)IONotificationPortGetMachPort(_:)IONotificationPortGetRunLoopSource(_:)IONotificationPortSetDispatchQueue(_:_:)IOObjectConformsTo(_:_:)IOObjectCopyBundleIdentifierForClass(_:)IOObjectCopyClass(_:)IOObjectCopySuperclassForClass(_:)IOObjectGetClass(_:_:)IOObjectGetKernelRetainCount(_:)IOObjectGetRetainCount(_:)IOObjectGetUserRetainCount(_:)IOObjectIsEqualTo(_:_:)IOObjectRelease(_:)IOObjectRetain(_:)IORegistryCreateIterator(_:_:_:_:)IORegistryEntryCreateCFProperties(_:_:_:_:)IORegistryEntryCreateCFProperty(_:_:_:_:)IORegistryEntryCreateIterator(_:_:_:_:)IORegistryEntryFromPath(_:_:)IORegistryEntryGetChildEntry(_:_:_:)IORegistryEntryGetChildIterator(_:_:_:)IORegistryEntryGetLocationInPlane(_:_:_:)IORegistryEntryGetName(_:_:)IORegistryEntryGetNameInPlane(_:_:_:)IORegistryEntryGetParentEntry(_:_:_:)IORegistryEntryGetParentIterator(_:_:_:)IORegistryEntryGetPath(_:_:_:)IORegistryEntryGetRegistryEntryID(_:_:)IORegistryEntryIDMatching(_:)IORegistryEntryInPlane(_:_:)IORegistryEntrySearchCFProperty(_:_:_:_:_:)IORegistryEntrySetCFProperties(_:_:)IORegistryEntrySetCFProperty(_:_:_:)IORegistryGetRootEntry(_:)IORegistryIteratorEnterEntry(_:)IORegistryIteratorExitEntry(_:)IOServiceAddInterestNotification(_:_:_:_:_:_:)IOServiceAddMatchingNotification(_:_:_:_:_:_:)IOServiceClose(_:)IOServiceGetBusyState(_:_:)IOServiceGetMatchingService(_:_:)IOServiceGetMatchingServices(_:_:_:)IOServiceMatching(_:)IOServiceMatchPropertyTable(_:_:_:)IOServiceNameMatching(_:)IOServiceOpen(_:_:_:_:)IOServiceRequestProbe(_:_:)IOServiceWaitQuiet(_:_:)