Function LCK_convert_opt

src/jrd/lck.cpp:376–408

bool LCK_convert_opt(thread_db* tdbb, Lock* lock, USHORT level)
{
/**************************************
 *
 *	L C K _ c o n v e r t _ o p t
 *
 **************************************
 *
 * Functional description
 *	Assert a lock if the parent is not locked in exclusive mode.
 *
 **************************************/
	SET_TDBB(tdbb);
	fb_assert(LCK_CHECK_LOCK(lock));

	const USHORT old_level = lock->lck_logical;
	lock->lck_logical = level;
	Database* dbb = lock->lck_dbb;

	if (dbb->dbb_ast_flags & DBB_assert_locks)
	{
		lock->lck_logical = old_level;
		if (lock->lck_id == 0)
		{
			fb_assert(dbb->dbb_ast_flags & DBB_blocking);
			return LCK_lock(tdbb, lock, level, LCK_NO_WAIT);
		}
		return LCK_convert(tdbb, lock, level, LCK_NO_WAIT);
	}

	fb_assert(LCK_CHECK_LOCK(lock));
	return true;
}


bool LCK_cancel_wait(Jrd::Attachment* attachment)