[FASTCGI] More EINTR fixes

[Rob Saccoccio]

Thanks.  Committed.

Rob

> -----Original Message-----
> From: fastcgi-developers-bounces+robs=fastcgi.com at mailman.fastcgi.com
> [mailto:fastcgi-developers-bounces+robs=fastcgi.com at mailman.fastcgi.com]
> On Behalf Of Artur Zaprzala
> Sent: Tuesday, November 04, 2008 9:11 AM
> To: fastcgi-developers at mailman.fastcgi.com
> Subject: [FASTCGI] More EINTR fixes
> 
> mod_fastcgi doesn't handle all EINTR errors, which can happen when
> Apache is running in a multi-threaded mode and is keeping up with
> MaxSpareThreads or is doing a graceful restart.
> 
> Below is a patch against mod_fastcgi-SNAP-0809231057. I fixed this about
> 3 years ago, so it is well tested now.
>