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Subject: Re: Official Linux system wrapper library?
To:     Florian Weimer <fweimer@redhat.com>,
        Daniel Colascione <dancol@google.com>
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        Willy Tarreau <w@1wt.eu>, Vlastimil Babka <vbabka@suse.cz>,
        Carlos O'Donell <carlos@redhat.com>,
        "libc-alpha@sourceware.org" <libc-alpha@sourceware.org>
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From:   David Newall <glibc@davidnewall.com>
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Date:   Sat, 24 Nov 2018 00:41:05 +1030
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On 24/11/18 12:04 am, Florian Weimer wrote:
> But socketcall does not exist on all architectures.  Neither does
> getpid, it's called getxpid on some architectures.
> ...
> I think it would be a poor approach to expose application developers to
> these portability issues.  We need to abstract over these differences at
> a certain layer, and applications are too late.

Interesting.  I think the opposite.  I think exposing the OS's 
interfaces is exactly what a c-library should do.  It might also provide 
alternative interfaces that work consistently across different 
platforms, but in addition to, not instead of the OS interface.