Hi,

Any action on this proposal?

This thread is too long and difficult to understand....



(2011/03/30 3:22), Eric Wong wrote:
> 
> Issue #4538 has been reported by Eric Wong.
> 
> ----------------------------------------
> Feature #4538: [PATCH (cleanup)] avoid unnecessary select() calls before doing I/O
> http://redmine.ruby-lang.org/issues/4538
> 
> Author: Eric Wong
> Status: Open
> Priority: Low
> Assignee: 
> Category: core
> Target version: 1.9.x
> 
> 
> Please look at http://redmine.ruby-lang.org/issues/4535 before
> this one.  That one actually fixes a bug I noticed while working
> on this patch.
> 
> Ruby 1.9 no longer depends on multiplexed non-blocking I/O
> to do its threading and defaults to blocking file descriptors.
> 
> As a result, there is no need to check the fd for read/writability when
> there is an error check for rb_io_wait_(read|writ)able after the
> blocking function.
> 
> I also believe the code in io_binwrite() to:
>     avoid context switch between "a" and "\n" in STDERR.puts "a".
>     [ruby-dev:25080]
> ...has always been broken under 1.9 with native threads.
> 
> Nothing new is broken with test-all and test-rubyspec
> 
> 
> 


-- 
// SASADA Koichi at atdot dot net