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 |