LogWaitEvent parameter packet.

typedef struct _LWEREQUEST {
  ULONG         packet_size;
  ULONG         packet_revision_number;
  ULONG         LogNotify;
  PEVENTKEY     pEventKey;
  PULONG        log_entry_buffer_length;
  PVOID         pLogEntryBuffer;
  ULONG         timeout;
  ULONG         queue_flags;
  ULONG         pathname_length;
  UniChar      *pathname;
} LWEREQUEST;

typedef   LWEREQUEST   * PLWEREQUEST ;