VOID
KiAttachProcess(
  IN  PKPROCESS Process,
  IN  KIRQL OldIrql
  );

Routine Description:

    This function attaches a thread to a target process' address space.

    N.B. The dispatcher database lock must be held when this routine is
        called.

Arguments:

    Process - Supplies a pointer to a dispatcher object of type process.

    Thread - Supplies a pointer to a dispatcher object of type thread.

    OldIrql - Supplies the previous IRQL.

Return Value:

    None.