Thread stuck in aioprn

[Daniel Eischen]

On Fri, 6 Oct 2006, David Xu wrote:

> On Friday 06 October 2006 16:50, Dmitry Pryanishnikov wrote:
>> Hello!
>>
>> On Fri, 6 Oct 2006, David Xu wrote:
>>>> FYI, this has recurred, so it seems to be an easy problem to trigger.
>>>>
>>>> Kris
>>>
>>> can you try attached patch ? it disables support for non-disk files,
>>> I suspect the test passed non-disk file handle to aio, and caused
>>> the problem.
>>
>>    I think it must be done as a workaround _only_. What's the point of
>> having asynchronous I/O capability for relatively fast HDDs while missing
>> this support for other (slow) I/O such as ttys or pipes? This situation
>> renders the whole presence of aio almost useless.
>>
>> Sincerely, Dmitry
>
> We are diagnosing the problem, not trying to remove some capabilities,
> I also don't have plan to work on it, I have already been overloaded by
> threading work, it is not a trivial work to implement AIO for all I/O
> facilities, I believe its amount of work is considerable, and some people
> are better to start a new project to implement it.

I've always thought that perhaps it could be better done
in userspace, libaio, with threads.

-- 
DE