[PATCH] FreeBSD compatibility for <sys/select.h>

[Nick Withers]

On Fri, 2015-12-18 at 10:02 +0100, Corinna Vinschen wrote:
> On Dec 18 08:02, Sebastian Huber wrote:
> > It seems to work with this change. I guess this is due to the
> > include of
> > <sys/select.h> in <sys/time.h>. Is this all right?
> 
> Including sys/select.h from sys/time.h is perfectly fine.  We already
> did
> that before, albeit only on Cygwin so far.  GLibc does it as well,
> even
> unconditionally (no guard along our #if __BSD_VISIBLE).  Only
> sys/types.h
> should not (must not per POSIX) expose the sys/select.h namespace.

POSIX 2004 / Issue 6 specifically allows it: 
http://pubs.opengroup.org/onlinepubs/009604499/basedefs/sys/time.h.html

"Inclusion of the <sys/time.h> header may make visible all symbols from
the <sys/select.h> header"
-- 
Nick Withers

Embedded Systems Programmer
Department of Nuclear Physics, Research School of Physics and Engineering
The Australian National University (CRICOS: 00120C)