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From: Stefan Seefeld (seefeld_at_[hidden])
Date: 2006-05-09 17:32:38

Aristid Breitkreuz wrote:

> The huge advantage of pipes is that with select, you can poll multiple
> event sources at once. Multiple sem_wait must be placed into multiple
> threads, which is probably more overkill for those rare signals than the
> selfpipe-trick (as they call it).

You are right. For event-driven programs that already run a select/poll
loop, adding just another file descriptor is the best thing to do.
But for all other cases the two require an equivalent efford.


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