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MmIsRecursiveIoFault function (ntifs.h)

The MmIsRecursiveIoFault routine determines whether the current page fault is occurring during an I/O operation.

Syntax

BOOLEAN MmIsRecursiveIoFault();

Return value

MmIsRecursiveIoFault returns TRUE if a file system I/O operation is in progress for the current thread, FALSE otherwise.

Remarks

When a page fault occurs, the file system can call MmIsRecursiveIoFault to determine whether an I/O operation is in progress for the current thread.

Requirements

Requirement Value
Target Platform Universal
Header ntifs.h (include Ntifs.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL <= DISPATCH_LEVEL

See also

MmIsAddressValid

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