Re: [Bluez-devel] socket connect returns EAGAIN

[Jose Vasconcellos <jose@vasmac.com>]

Peter Wippich wrote:
> Hi Marcel, 
>
> On Tue, 12 Sep 2006, Marcel Holtmann wrote:
>
>   
>> Hi Peter,
>>
>>     
>>> see my last post on this subject about 4 days ago. From my understanding 
>>> they shall return EINPROGRESS when the connection to the remote device is 
>>> pending. Returning EAGAIN looks like a small bug. See also man 2 connect 
>>> or man 7 socket. 
>>>       
>> this has been raised a long time ago. However the Bluetooth core inside
>> the kernel doesn't sets the wrong error. It is one of the network
>> functions we use.
>>     
>
> Are you sure ?!? 
>
> I think the problem is in bt_sock_wait_state(...). This always returns 
> -EAGAIN if timeout is zero (which it is if the socket is set non 
> blocking). But may be I'm missing something. 
>
> Ciao, 
>
> Peter 
>
>   
Hi Peter,

I've come to a similar conclusion. I'm not sure why it's returning -EAGAIN.
However, looking at the x25 transport (af_x25.c), it takes a different 
approach;
if O_NONBLOCK is set they don't call the blocking routine at all. Maybe a
similar approach should be taken here.

Jose


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