Re: [Caml-list] Smart ways to implement worker threads

[Rich Neswold <rich.neswold@gmail.com>]

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On Thu, Jul 15, 2010 at 11:02 PM, Goswin von Brederlow <goswin-v-b@web.de>wrote:

> Rich Neswold <rich.neswold@gmail.com> writes:
>
> Thanks. That is about what I got so I do seem to understand the
> differences right.
>
> For my use case this would then come down to implement solution 3 with
> channels instead of my own queues. Well, channels are thread safe queues
> just by another name. I think I see now how they make the code simpler
> to write.
>

Channels are a thread-safe communication channel of depth one (i.e. you can
only pass one item at a time.) The channel is a primitive that allows
reliable synchronized communication between threads. The Reppy book
describes in later chapters how to use the channel primitive to build up
queues and other, more complicated constructs (like RPCs and multicasting to
many processes.)

In fact, you might use the RPC ideas to pass your checksumming requests to
worker tasks and receive the results.

-- 
Rich

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