Method EngineCallbackGuard

src/jrd/extds/ExtDS.h:826–829

{
public:
	EngineCallbackGuard(Jrd::thread_db* tdbb, Connection& conn, const char* from)
	{
		init(tdbb, conn, from);
	}

	EngineCallbackGuard(Jrd::thread_db* tdbb, Transaction& tran, const char* from)
	{