FsRtlUninitializeFileLock - NtDoc

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

VOID FsRtlUninitializeFileLock(
  [in] PFILE_LOCK FileLock
);

View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntifs-_fsrtl_advanced_fcb_header-fsrtluninitializefilelock)

FsRtlUninitializeFileLock function

Description

The FsRtlUninitializeFileLock routine uninitializes a FILE_LOCK structure.

Parameters

FileLock [in]

Pointer to the FILE_LOCK structure for the file. This structure must have been initialized by a previous call to FsRtlAllocateFileLock or FsRtlInitializeFileLock.

Remarks

FsRtlUninitializeFileLock uninitializes an initialized FILE_LOCK structure and completes any outstanding IRP_MJ_LOCK_CONTROL requests. The uninitialized FILE_LOCK structure can be initialized for reuse by a subsequent call to FsRtlInitializeFileLock.

FsRtlUninitializeFileLock can be used to uninitialize a FILE_LOCK structure that was initialized by a previous call to FsRtlAllocateFileLock or FsRtlInitializeFileLock. Do not use FsRtlUninitializeFileLock for such a FILE_LOCK structure unless the structure is to be initialized for reuse. It is a programming error to call FsRtlFreeFileLock for an uninitialized FILE_LOCK structure.

Minifilters must call FltUninitializeFileLock instead of FsRtlIninitializeFileLock.

See also

FILE_LOCK

FltUninitializeFileLock

FsRtlAllocateFileLock

FsRtlInitializeFileLock

IRP_MJ_LOCK_CONTROL

PCOMPLETE_LOCK_IRP_ROUTINE