Method startSavepoint

src/jrd/tra.cpp:3989–4013

}

Savepoint* jrd_tra::startSavepoint(bool root)
/**************************************
 *
 *	 s t a r t S a v e p o i n t
 *
 **************************************
 *
 * Functional description
 *	Start a new savepoint. Reuse some priorly allocated one, if exists.
 *
 **************************************/
{
	Savepoint* savepoint = tra_save_free;

	if (savepoint)
		tra_save_free = savepoint->getNext();
	else
		savepoint = FB_NEW_POOL(*tra_pool) Savepoint(this);

	const SavNumber number = ++tra_save_point_number;
	savepoint->init(number, root, tra_save_point);
	tra_save_point = savepoint;

	return savepoint;
}

void jrd_tra::rollbackSavepoint(thread_db* tdbb, bool preserveLocks)
/**************************************