IoGetRequestorSessionId - NtDoc

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

NTSTATUS IoGetRequestorSessionId(
  [in]  PIRP   Irp,
  [out] PULONG pSessionId
);
View the official Windows Driver Kit DDI reference

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

IoGetRequestorSessionId function

Description

The IoGetRequestorSessionId routine returns the session ID for the process that originally requested a given I/O operation.

Parameters

Irp [in]

A pointer to the I/O request packet (IRP) for the I/O operation.

pSessionId [out]

A pointer to a caller-allocated variable that receives the session ID for the process that requested the I/O operation. If the call fails (STATUS_UNSUCCESSFUL), this parameter is set to -1.

Return value

IoGetRequestorSessionId returns STATUS_SUCCESS if the session ID is successfully returned, and returns STATUS_UNSUCCESSFUL otherwise. STATUS_UNSUCCESSFUL is an error NTSTATUS value.

See also

IoGetRequestorProcess

View the official Windows Driver Kit DDI reference

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