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IoGetRequestorSessionId function (ntifs.h)

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

Syntax

NTSTATUS IoGetRequestorSessionId(
  [in]  PIRP   Irp,
  [out] PULONG pSessionId
);

Parameters

[in] Irp

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

[out] pSessionId

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.

Requirements

Requirement Value
Minimum supported client Windows Server 2003 SP1
Target Platform Universal
Header ntifs.h (include Ntifs.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL <= APC_LEVEL

See also

IoGetRequestorProcess