ExIsResourceAcquiredLite routine

아티클
12/21/2017

The ExIsResourceAcquiredLite routine returns whether the current thread has access (either shared or exclusive) to a given resource.

Syntax

ULONG ExIsResourceAcquiredLite(
  _In_ PERESOURCE Resource
);

Parameters

Resource [in]
A pointer to the resource to be queried.

Return value

ExIsResourceAcquiredLite returns the number of times the caller has acquired the given resource for shared or exclusive access.

Remarks

The system considers exclusive access to be a subset of shared access. Therefore, a thread that has exclusive access to a resource also has shared access to the resource.

Requirements

Target platform	Desktop
Version	Available starting with Windows 2000.
Header	Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h)
Library	NtosKrnl.lib
DLL	NtosKrnl.exe
IRQL	<= DISPATCH_LEVEL
DDI compliance rules	HwStorPortProhibitedDDIs

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