ExGetSharedWaiterCount - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// wdm.h

ULONG ExGetSharedWaiterCount(
  [in] PERESOURCE Resource
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wdm-exgetsharedwaitercount)

ExGetSharedWaiterCount function

Description

The ExGetSharedWaiterCount routine returns the number of waiters on shared access to a given resource.

Parameters

Resource [in]

A pointer to the resource to be tested.

Return value

ExGetSharedWaiterCount returns the number of threads currently waiting to acquire the given resource for shared access.

Remarks

ExGetSharedWaiterCount can be called to get an estimate of how many other threads might be waiting to read the data protected by a particular resource variable. The caller cannot assume that the returned value remains constant for any particular interval.

See also

ExAcquireResourceExclusiveLite

ExAcquireResourceSharedLite

ExAcquireSharedStarveExclusive

ExAcquireSharedWaitForExclusive

ExGetExclusiveWaiterCount

ExReleaseResourceForThreadLite

View the official Windows Driver Kit DDI reference

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