Re: [RFC][PATCH 1/2] Create initial kernel ABI header infrastructure

[Kyle Moffett]

On Mar 26, 2006, at 07:59:26, Martin Mares wrote:
> Hello!
>
> > As a result, I kinda want to stay away from anything that remotely  
> > looks like a conflicting namespace.  Using such a unique namespace  
> > means we can also safely do this if necessary (Since you can't  
> > "typedef struct foo struct bar"):
> >
> > kabi/foo.h:
> >   struct __kabi_foo {
> >   	int x;
> >   	int y;
> >   };
> >
> > linux/foo.h:
> >   #define __kabi_foo foo
> >   #include <kabi/foo.h>
>
> This looks very fragile -- <kabi/foo.h> can be included earlier by  
> another header.

It _is_ fragile, but for a number of POSIX-defined structs that's  
actually the only way to do it without duplicating the data structure  
in entirety, unless the GCC people can implement a "typedef struct  
foo struct bar;"  Hopefully it would be a relatively rare occurrence  
and carefully thought out in any case.  We may end up with some  
duplication regardless :-\.

Cheers,
Kyle Moffett

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