Exemplo n.º 1
0
void
ShutdownProcess::_QuitApps(AppInfoList& list, bool systemApps)
{
	PRINT(("ShutdownProcess::_QuitApps(%s)\n",
		(systemApps ? "system" : "user")));

	if (systemApps) {
		_SetShutdownWindowCancelButtonEnabled(false);

		// check one last time for abort events
		uint32 event;
		do {
			team_id team;
			int32 phase;
			status_t error = _GetNextEvent(event, team, phase, false);
			if (error != B_OK)
				throw_error(error);

			if (event == ABORT_EVENT) {
				PRINT(("ShutdownProcess::_QuitApps(): shutdown cancelled by "
					"team %ld (-1 => user)\n", team));

				_DisplayAbortingApp(team);
				throw_error(B_SHUTDOWN_CANCELLED);
			}

		} while (event != NO_EVENT);
	}

	// prepare the shutdown message
	BMessage message;
	_PrepareShutdownMessage(message);

	// now iterate through the list of apps
	while (true) {
		// eat events
		uint32 event;
		do {
			team_id team;
			int32 phase;
			status_t error = _GetNextEvent(event, team, phase, false);
			if (error != B_OK)
				throw_error(error);

			if (!systemApps && event == ABORT_EVENT) {
				PRINT(("ShutdownProcess::_QuitApps(): shutdown cancelled by "
					"team %ld (-1 => user)\n", team));

				_DisplayAbortingApp(team);
				throw_error(B_SHUTDOWN_CANCELLED);
			}

		} while (event != NO_EVENT);

		// get the first app to quit
		team_id team = -1;
		port_id port = -1;
		char appName[B_FILE_NAME_LENGTH];
		{
			BAutolock _(fWorkerLock);
			while (!list.IsEmpty()) {
				RosterAppInfo* info = *list.It();
				team = info->team;
				port = info->port;
				strcpy(appName, info->ref.name);

				if (info->IsRunning())
					break;
				list.RemoveInfo(info);
				delete info;
			}
		}

		if (team < 0) {
			PRINT(("ShutdownProcess::_QuitApps() done\n"));
			return;
		}

		// set window text
		BString buffer = B_TRANSLATE("Asking \"%appName%\" to quit.");
		buffer.ReplaceFirst("%appName%", appName);
		_SetShutdownWindowText(buffer.String());
		_SetShutdownWindowCurrentApp(team);

		// send the shutdown message to the app
		PRINT(("  sending team %ld (port: %ld) a shutdown message\n", team,
			port));
		SingleMessagingTargetSet target(port, B_PREFERRED_TOKEN);
		MessageDeliverer::Default()->DeliverMessage(&message, target);

		// schedule a timeout event
		_ScheduleTimeoutEvent(kAppQuitTimeout, team);

		// wait for the app to die or for the timeout to occur
		bool appGone = _WaitForApp(team, &list, systemApps);
		if (appGone) {
			// fine: the app finished in an orderly manner
		} else {
			// the app is either blocking on a model alert or blocks for another
			// reason
			if (!systemApps)
				_QuitBlockingApp(list, team, appName, true);
			else {
				// This is a system app: remove it from the list
				BAutolock _(fWorkerLock);

				if (RosterAppInfo* info = list.InfoFor(team)) {
					list.RemoveInfo(info);
					delete info;
				}
			}
		}
	}
}