MmIsRecursiveIoFault - NtDoc

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

BOOLEAN MmIsRecursiveIoFault();
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntifs-mmisrecursiveiofault)

MmIsRecursiveIoFault function

Description

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

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.

See also

MmIsAddressValid