[PATCH] S/390: Fix namespace violation

[Carlos O'Donell]

On 03/14/2014 01:02 PM, Roland McGrath wrote:
> If you're going to touch it at all , you should make it follow the new
> convention and be __glibc_reserved* instead.

Agreed.

See:
https://sourceware.org/glibc/wiki/Consensus
~~~
Anyone can commit a change to any header to rename __block to 
__glibc_block or __unused to __glibc_reserved. Multiple versions 
of the same symbol can be created by appending a number e.g. 
__glibc_reserved1. Consenus was reached that glibc would use 
the internal prefix __glibc to avoid name collisions with 
other tools that comprise the implementation from a standard 
perspective. 
See https://sourceware.org/ml/libc-alpha/2012-02/msg00047.html. 
Note that __unused is used by source from BSD that defines it as 
the unused attribute for the compiler, while __block is used by 
Clang's -fblocks extension. 
~~~

Cheers,
Carlos.