ExReinitializeResourceLite function

The ExReinitializeResourceLite routine reinitializes an existing resource variable.

Syntax

NTSTATUS ExReinitializeResourceLite(
  PERESOURCE Resource
);

Parameters

Resource

A pointer to the caller-supplied resource variable to be reinitialized.

Return Value

ExReinitializeResourceLite returns STATUS_SUCCESS.

Remarks

With a single call to ExReinitializeResource, a driver writer can replace three calls: one to ExDeleteResourceLite, another to ExAllocatePool, and a third to ExInitializeResourceLite. As contention for a resource variable increases, memory is dynamically allocated and attached to the resource in order to track this contention. As an optimization, ExReinitializeResourceLite retains and zeros this previously allocated memory.

The ERESOURCE structure is opaque; that is, the members are reserved for system use.

Requirements

   
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL <= DISPATCH_LEVEL
DDI compliance rules HwStorPortProhibitedDDIs

See Also

ExAcquireResourceExclusiveLite

ExAcquireResourceSharedLite

ExAcquireSharedStarveExclusive

ExAcquireSharedWaitForExclusive

ExConvertExclusiveToSharedLite

ExDeleteResourceLite

ExInitializeResourceLite

ExIsResourceAcquiredExclusiveLite

ExIsResourceAcquiredSharedLite

ExReleaseResourceForThreadLite