From: Caio Chassot <redmine@...>
Date: 2010-09-13T02:49:33+09:00
Subject: [ruby-core:32341] [Ruby 1.9.2-Backport#3821][Open] UNIXSocket#send_io and multi-arch compiling

Backport #3821: UNIXSocket#send_io and multi-arch compiling
http://redmine.ruby-lang.org/issues/show/3821

Author: Caio Chassot
Status: Open, Priority: Normal

It seems we have a problem with UNIXSocket#send_io when compiling for  multiple archs. It showed up for me when trying to use mod_rails with a universal ruby on the Mac. Here's an excerpt of an exchange I had with the mod_rails guys:

> > (All on OS X 10.6)
> >
> > It seems if have ruby compiled for multiple archs, eg:
> >
> > ��� ./configure --with-arch=x86_64,i386
> > ��� port install ruby19 +universal
> >
> > And Apache 2 as x86_64 only, passenger will compile mod_passenger.so
> > as x86_64. Up to here, everything seems reasonable. But then, when
> > trying to load an app via passengers I'll get errors like this:
> >
> >  *** Exception NotImplementedError in
> >  PhusionPassenger::Rack::ApplicationSpawner (send_io() function is
> >  unimplemented on this machine) (process 31302): ���
> >
> > Reinstalling ruby as x86_64 only fixes it.
> 
> UNIXSocket#send_io is a Ruby socket library function and it would
> appear that they're not turning it on properly during compile time
> when compiling it in universal mode. You should file a bug report.


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