//-------------------------------------------------
//  handle_saveload - attempt to perform a save
//  or load
//-------------------------------------------------

void running_machine::handle_saveload()
{
	UINT32 openflags = (m_saveload_schedule == SLS_LOAD) ? OPEN_FLAG_READ : (OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
	const char *opnamed = (m_saveload_schedule == SLS_LOAD) ? "loaded" : "saved";
	const char *opname = (m_saveload_schedule == SLS_LOAD) ? "load" : "save";
	file_error filerr = FILERR_NONE;

	// if no name, bail
	emu_file file(m_saveload_searchpath, openflags);
	if (!m_saveload_pending_file)
		goto cancel;

	// if there are anonymous timers, we can't save just yet, and we can't load yet either
	// because the timers might overwrite data we have loaded
	if (!m_scheduler.can_save())
	{
		// if more than a second has passed, we're probably screwed
		if ((this->time() - m_saveload_schedule_time) > attotime::from_seconds(1))
		{
			
			goto cancel;
		}
		return;
	}

	// open the file
	filerr = file.open(m_saveload_pending_file);
	if (filerr == FILERR_NONE)
	{
		// read/write the save state
		save_error saverr = (m_saveload_schedule == SLS_LOAD) ? m_save.read_file(file) : m_save.write_file(file);

		// handle the result
		switch (saverr)
		{
			case STATERR_ILLEGAL_REGISTRATIONS:
				
				break;

			case STATERR_INVALID_HEADER:
				
				break;

			case STATERR_READ_ERROR:
				
				break;

			case STATERR_WRITE_ERROR:
				
				break;

			case STATERR_NONE:
				
					
				
					
				break;

			default:
				
				break;
		}

		// close and perhaps delete the file
		if (saverr != STATERR_NONE && m_saveload_schedule == SLS_SAVE)
			file.remove_on_close();
	}
	
		

	// unschedule the operation
cancel:
	m_saveload_pending_file.reset();
	m_saveload_searchpath = NULL;
	m_saveload_schedule = SLS_NONE;
}