USHORT
ExIsResourceAcquiredSharedLite(
IN PERESOURCE Resource
);
ExIsResourceAcquiredSharedLite returns whether the current thread has shared access to a given resource.
ExIsResourceAcquiredSharedLite returns the number of times the caller has acquired shared access to the given resource.
Callers of ExIsResourceAcquiredSharedLite must be running at IRQL <= DISPATCH_LEVEL.
ExAcquireResourceSharedLite, ExAcquireSharedStarveExclusive, ExAcquireSharedWaitForExclusive, ExIsResourceAcquiredExclusiveLite