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Newsgroups: comp.lang.ada
Subject: Re: ISO/IEC 14519 - Ada POSIX binding
From: Berend de Boer <berend@xsol.com>
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Date: Thu, 26 Jun 2003 09:19:47 +1200
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Xref: archiver1.google.com comp.lang.ada:39744
Date: 2003-06-26T09:19:47+12:00
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>>>>> "Lutz" == Lutz Donnerhacke <lutz@iks-jena.de> writes:

    >>> constant error_code := 11; -- Try again [...]  EWOULDBLOCK :
    >>> constant error_code := 41; -- is now EAGAIN [...]  You never
    >>> know which code the kernel will return.

    >>  I don't know a thing about Ada, but if you look at the Linux
    >> source: /usr/include/asm/errno.h at line 44 on my system you
    >> see the equality.

    Lutz> No. This line says, da� 41 (with was returned by older
    Lutz> kernels) does not have a symbolic name anymore. If you
    Lutz> recompile an older program, which assumes the error code 41,
    Lutz> it is leaded to 11 with this kernel.

    Lutz> This does not say anything about returning 41.

The discussion was:

 berend> I think every current system has:
 berend> #define EWOULDBLOCK EGAIN

and yes, that's true.

And I'm not sure what older kernels you're talking about. Pre 1.0
perhaps?

-- 
Regards,

Berend. (-: