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From: Giovanni Piero Deretta (gpderetta_at_[hidden])
Date: 2007-03-09 12:16:09


On 3/9/07, Felipe Magno de Almeida <felipe.m.almeida_at_[hidden]> wrote:
> On 3/9/07, Giovanni Piero Deretta <gpderetta_at_[hidden]> wrote:
>
> > [snipped]
> >
> > What I would really like to see in asio is asynchronous FS IO (using
> > Ovelapped IO on windows, posix aio where available and a thread pool
> > everywhere else). There have been many requests for this
> > functionality, but Christopher didn't get around to implement it yet.
>
> I have something like that already. But not very well thoughout. On
> both posix aio and overlapped IO. The biggest problem is that opening
> a file is *very slow*, and must be done synchronously within a thread
> pool.

AFAIK there is no posix interface yet for async opens. Don't know
about windows though. There is a Linux project to make *any* syscall
asynchronous though.

Anyways, probably asynchronous open support could be implemented
later. Basic AIO would be a first good step.

>
> > I think that such a project could be completed in a couple of months.
> > May be the student could even find the time to add pipe support :).
> > As soon as I find some time I'll add the proposal to the wiki.
>
> I want to make a proposal for SoC in boost. But I was thinking about
> something else (a better bcp utility), I believe boost would benefit
> from better tools in this moment. Maybe I could apply for both, and
> boost chooses what (if any) is better for boost.
>

Go for it!

gpd


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