Re: [Boost-users] Can I implement asynchronous and non-blocking socket IO with boost.asio on LINUX?

Subject: Re: [Boost-users] Can I implement asynchronous and non-blocking socket IO with boost.asio on LINUX?
From: Igor R (boost.lists_at_[hidden])
Date: 2013-04-14 09:39:57

> From the url below,
> http://www.boost.org/doc/libs/1_53_0/doc/html/boost_asio/overview/core/async.html
>
> I found a note below.
>
> Many operating systems offer a native asynchronous I/O API (such as
> overlapped I/O on Windows) as the preferred option for developing high
> performance network applications. The library may be implemented in terms of
> native asynchronous I/O. However, if native support is not available, the
> library may also be implemented using synchronous event demultiplexors that
> typify the Reactor pattern, such asPOSIX select().
>
> I think this implementation looks similar to ACE. The proactor
> implementation varies depends on platforms. ACE uses native asynch IO
> features for Windows, Solaris but not for LINUX.
> I wanted to know if boost.asio implements asynch IO for LINUX not like ACE.
> But the note above gives me an impression that boost.asio is almost the same
> with ACE for LINUX and other platforms also.

The above note says that Asio relays on the native async. i/o where
availble. Do you expect Asio to make use of native async. i/o where
it's *unavailable*?
The main difference between ACE and Asio is in their high-level interfaces.