Enumeration Case

kIOPMRootDomainState

Declaration

kIOPMRootDomainState = 0x00000200

Discussion

An indication that the power flags represent the state of the root power domain. This bit must not be set in the IOPMPowerState structure. Power Management may pass this bit to initialPowerStateForDomainState() or powerStateForDomainState() to map from a global system state to the desired device state.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software