[zeromq-dev] IOCP

[gonzalo diethelm]

> > Naïve question: would this also be a step toward adding support for the
> > ipc protocol under Windows?
> 
> 	It would be possible to work ipc into the iocp but it will be
> considerable work.  Ipc under Win32 is something you have to implement
> yourself using shared memory (memory mapped files) and custom flow control
> systems, unless they've added something recently.  Typically it is not
> "that" horrible to do, just time consuming and we'll have to deal with it
> separately.  As to integration with iocp, it would just be a case of when
> there is data in the IOPC or free space, you just send a
> PostCompletionStatus message and it will look basically like a socket
> read/write.

Ok.

> 	Tcp/pipes have optimizations on local so they are fairly fast, not
> "as" fast as a home grown ipc but not horrible either.  So, for the time
> being I wouldn't worry about it too much unless you are doing something
> really huge and sensitive to the latency.

Would it make sense to implement the ipc endpoints under Windows by simply using tcp endpoints? Maybe it is already this way; if so, apologies. If not, it might ease migration of code using ipc endpoints.

-- 
Gonzalo Diethelm

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