Re: [Bluez-devel] Help with L2CAP sockets

[Marcel Holtmann <marcel@holtmann.org>]

Hi Mayank,

>   I am developing an application using the L2CAP sockets provided by 
> BlueZ. I am creating a pool of sockets and listening to all of them 
> simultaneously. To avoid spawning of a thread for each socket, i tried 
> using the async capabilities of the socket. I set the FASYNC flag using 
> the ioctl to the socket, and set my pid to it. Thereafter i get a SIGIO 
> whenever data is available on any of the socket. Everything seems fine 
> except for disconnection. When an L2CAP socket is disconnected from the 
> remote device, i do not get any SIGIO. Hence i am not able to do get the 
> disconnection indication since i am not doing a read on the socket. I do 
> a read only when i receive a SIGIO.
>   I want to know if there is a way i can add code to the L2CAP file of 
> bluez to send a sigio whenever it receives a disconnection indication. 

I have no idea, but I never used FASYNC with BlueZ. Use select()/poll()
and write an event loop.

Regards

Marcel




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