Function SHUT_online

src/jrd/shut.cpp:340–451

void SHUT_online(thread_db* tdbb, SSHORT flag, Sync* guard)
{
/**************************************
 *
 *	S H U T _ o n l i n e
 *
 **************************************
 *
 * Functional description
 *	Move database to "more online" state
 *
 **************************************/
	SET_TDBB(tdbb);
	Database* const dbb = tdbb->getDatabase();
	Jrd::Attachment* const attachment = tdbb->getAttachment();

	// Only platform's user locksmith can shutdown or bring online a database

	if (!attachment->locksmith(tdbb, CHANGE_SHUTDOWN_MODE))
	{
		ERR_post_nothrow(Arg::Gds(isc_no_priv) << "bring online" << "database" << dbb->dbb_filename);
		if (attachment->att_user && attachment->att_user->testFlag(USR_mapdown))
			ERR_post_nothrow(Arg::Gds(isc_map_down));
		ERR_punt();
	}

	const int shut_mode = flag & isc_dpb_shut_mode_mask;

	// Check if requested shutdown mode is valid
	switch (shut_mode)
	{
	case isc_dpb_shut_normal:
		if (!(dbb->dbb_ast_flags & DBB_shutdown))
		{
			same_mode(dbb); // normal -> normal
			return;
		}
		break;
	case isc_dpb_shut_multi:
		if (!(dbb->dbb_ast_flags & DBB_shutdown))
		{
			bad_mode(dbb); // normal -> multi
		}
		if (!(dbb->dbb_ast_flags & DBB_shutdown_full) && !(dbb->dbb_ast_flags & DBB_shutdown_single))
		{
			same_mode(dbb); // multi -> multi
			return;
		}
		break;
	case isc_dpb_shut_single:
		if (dbb->dbb_ast_flags & DBB_shutdown_single)
		{
			same_mode(dbb); //single -> single
			return;
		}
		if (!(dbb->dbb_ast_flags & DBB_shutdown_full))
		{
			bad_mode(dbb); // !full -> single