335
Subj : Re: many producers/one consumer
To   : comp.programming.threads
From : Eric Sosman
Date : Thu Feb 17 2005 11:21 am



Keith O wrote:
> Hi,
> 
> I have a many producers(threads) that add data to a queue and one
> consumer(thread) that reads from the queue and writes the data to a
> database.
> 
> What is a good algorithm to handle this sort of thing. The thing that's
> bugging me is when the producers finish producing data and exit, I want the
> consumer to know that it should stop checking for new data and exit.

    One approach is for each producer to put a final
"Hail and farewell" item on the end of the queue just
before it exits.  When the consumer finds this special
item it can decrement its N_producers counter and exit
if it's reached zero.

-- 
Eric.Sosman@sun.com

.

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