Function LCK_init

src/jrd/lck.cpp:600–647

void LCK_init(thread_db* tdbb, enum lck_owner_t owner_type)
{
/**************************************
 *
 *	L C K _ i n i t
 *
 **************************************
 *
 * Functional description
 *	Initialize the locking stuff for the given owner.
 *
 **************************************/
	LOCK_OWNER_T owner_id;
	SLONG* owner_handle_ptr = 0;

	SET_TDBB(tdbb);
	Database* const dbb = tdbb->getDatabase();

	switch (owner_type)
	{
	case LCK_OWNER_database:
		owner_id = LCK_OWNER_ID_DBB(tdbb);
		owner_handle_ptr = LCK_OWNER_HANDLE_DBB(tdbb);
		break;

	case LCK_OWNER_attachment:
		owner_id = LCK_OWNER_ID_ATT(tdbb);
		owner_handle_ptr = LCK_OWNER_HANDLE_ATT(tdbb);
		break;

	default:
		bug_lck("Invalid lock owner type in LCK_init ()");
		break;
	}

	FbLocalStatus statusVector;

	if (!dbb->lockManager()->initializeOwner(&statusVector, owner_id, owner_type, owner_handle_ptr))
	{
		if (statusVector[1] == isc_lockmanerr)
		{
			statusVector.copyTo(tdbb->tdbb_status_vector);
			tdbb->getDatabase()->dbb_flags |= DBB_bugcheck;
		}

		statusVector.raise();
	}
}


bool LCK_lock(thread_db* tdbb, Lock* lock, USHORT level, SSHORT wait)