Patches to improve Hurd parts: include/sys/socket.h

[Thomas Schwinge]

Hello!

On Wed, Dec 17, 2008 at 03:42:10PM -0800, Paul Eggert wrote:
> Thomas Schwinge <tschwinge@gnu.org> writes:
> > Some questions remain.  Note that all this is not Hurd-specific.
> >
> > Are we allowed to include <fcntl.h> from include/sys/socket.h?
> 
> No, as that would infringe on the user's name space.

What Roland already said.  Thanks nevertheless!


> > Where to put the COMPILE_TIME_ASSERT definition?  For sure into some
> > other file, but into which one?
> 
> I suggest using the macro name that glibc already uses in time/mktime.c:
> 'verify'.

Aha!  I was browsing through the glibc sources, but couldn't easily find
a place where such a compile-time check was done already.

> If you'd like to share this, you can add a file called
> <verify.h> and call the macro 'verify'.  Gnulib has a file verify.h that
> does this and is widely tested with many compilers.  For more, please
> see:
> 
> http://www.gnu.org/software/gnulib/
> 
> http://www.gnu.org/software/gnulib/MODULES.html#module=verify
> 
> The header and macro needn't be visible to gnulib's users, of course.
> Though I would advocate adding verify.h (or something like it) to glibc,
> as part of a separate change, at some point: it's quite useful to have a
> compile-time verification macro.

I'll be sure to have a look at this, thanks!  Would the maintainers be
fine with adding this file
<http://git.sv.gnu.org/gitweb/?p=gnulib.git;a=blob_plain;f=lib/verify.h>
to a generic place in the glibc sources or shall I #define the macro
internally where I use it?  As stated above, this already used in generic
code, so this could be unified then.


Regards,
 Thomas
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