Method initTempPageSpace

src/jrd/pag.cpp:2552–2588

}

void PageManager::initTempPageSpace(thread_db* tdbb)
{
	SET_TDBB(tdbb);
	Database* const dbb = tdbb->getDatabase();

	fb_assert(tempPageSpaceID == 0);

	if (dbb->dbb_config->getServerMode() != MODE_SUPER)
	{
		Jrd::Attachment* const attachment = tdbb->getAttachment();

		if (!attachment->att_temp_pg_lock)
		{
			Lock* const lock = FB_NEW_RPT(*attachment->att_pool, 0)
				Lock(tdbb, sizeof(SLONG), LCK_page_space);

			while (true)
			{
				const double tmp = rand() * (MAX_USHORT - TEMP_PAGE_SPACE - 1.0) / (RAND_MAX + 1.0);
				lock->setKey(static_cast<SLONG>(tmp) + TEMP_PAGE_SPACE + 1);
				if (LCK_lock(tdbb, lock, LCK_write, LCK_NO_WAIT))
					break;
				fb_utils::init_status(tdbb->tdbb_status_vector);
			}

			attachment->att_temp_pg_lock = lock;
		}

		tempPageSpaceID = (USHORT) attachment->att_temp_pg_lock->getKey();
	}
	else
	{
		tempPageSpaceID = TEMP_PAGE_SPACE;
	}

	addPageSpace(tempPageSpaceID);
}

USHORT PageManager::getTempPageSpaceID(thread_db* tdbb)
{