SQL temp database full

Question

Ok here is the issue, I create a query that did a massive sort, so the hard disk that have that database become full, now What to do:
1. Restart the service and wait for the original database where the update was done to recover. 
2. cancel it and wait (i dont know if cancel will work, because there is no space to do the cancel either).
3. other solution??
I can see using the query
SELECT SUM(unallocated_extent_page_count) AS [free pages], 
(SUM(unallocated_extent_page_count)*1.0/128) AS [free space in MB]
FROM sys.dm_db_file_space_usage;
that there is still free pages and free space, but it doesn´t move on the time.  
Gilberto H.

Answer 1

can I add and use it during the query process?
as I understood, in order to apply it, I need to restart the sql instance in order to be able to use modification of those db drive/space. 
I cannot resrtar it while the query still on cancell process. 
By the way, the temp db files was already divided to 4 drives and got them all. I use the button to cancel the query, like 6 hours ago, the query took 10 hours to fill those drives. 
I don´t know if the cancelation will be done or not.   I move some other files from one of the drives and it have 5 Gb to work now, but not sure if that´s enough. 
Gilberto H.
As MSquelch suggested at this point of time adding a log file on separate drive would be best thing to do.After query finishes shrink the log file and then you would be able to shrink.If query is running it will not allow you to shrink the log file it will
hold the logs
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