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Re: About the io_select call


From: Ludovic Courtès
Subject: Re: About the io_select call
Date: Sun, 22 Jul 2012 14:20:21 +0200
User-agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.1 (gnu/linux)

Hi,

Richard Braun <address@hidden> skribis:

> In the hurd/io.defs file, which defines the Hurd I/O interface, the
> io_select call includes a timeout. However, none of the libraries and
> servers implementing this call receive it. What makes this argument
> "disappear" during stub code generation ?

It is a “waittime” parameter, which gets special treatment from MIG.
This is somewhat documented in
<http://www.cs.cmu.edu/afs/cs/project/mach/public/doc/unpublished/mig.ps>.

Thanks,
Ludo’.




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