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Select on channels (again)
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Date: | 2006-08-22 (06:27) |
From: | Nathaniel Gray <n8gray@g...> |
Subject: | Re: [Caml-list] Re: Select on channels (again) |
On 8/21/06, Jonathan Roewen <jonathan.roewen@gmail.com> wrote: > Why can't you just use the unix file opening functions since you're > using unix select? And if you need the ocaml in/out channels, convert > the unix file descriptors to ocaml ones instead of the other way > around. Seems simple enough to me. It sounds simple but doesn't work. If select tells you a file descriptor doesn't have data waiting you can't be sure there isn't still data in the corresponding channel's buffer. See the thread that I referenced for a good discussion of why this is annoying. For one thing, it makes it impossible to use Marshal.from_channel without potentially blocking. Cheers, -n8 -- >>>-- Nathaniel Gray -- Caltech Computer Science ------> >>>-- Mojave Project -- http://mojave.cs.caltech.edu -->