On 2015/05/12 12:57, Eric Wong wrote:
> nobu / ruby-lang.org wrote:
>> After requiring 'io/nonblock', no needs to see if `nonblock=` method is available.
> 
> Doesn't that raise NotImplementedError on some platforms?
> 
> I see this in ext/io/nonblock/nonblock.c:
> 
> 	#define rb_io_nonblock_set rb_f_notimplement

Indeed.  I've forgotten it, sorry.

> I'm not sure which platforms, though, maybe Windows?

Non-blocking flag works on Windows.