Windows Server 2003
The following functions were added to the Windows application programming interface (API) in Windows Server 2003 and Windows XP Professional x64 Edition:
GetLogicalProcessorInformation
InterlockedCompareExchangeAcquire
InterlockedCompareExchangeAcquire64
InterlockedCompareExchangeRelease
InterlockedCompareExchangeRelease64
The following IOCTLs were added to the Windows API in this release:
IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS
IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS
IOCTL_VIDEO_SET_DISPLAY_BRIGHTNESS
Build date: 3/25/2010