Re: [Bluez-devel] It's rfcomm connect problem

[Andreas Gaufer <Andreas.Gaufer@bluecellnetworks.com>]

Hi Fabrizio,

i'm working on a possibly related problem. Could you check the hcidump of
your situation and look out for apparently unmotivated hci_reset
commands sent to your device? 

Greetings & TIA

Andy

On Sat, 22 Jul 2006 16:08:08 +0200
Fabrizio Guglielmino <guglielmino@infitsrl.com> wrote:

> Hi all,
> I made some investigation about the BtOBEX_TransportConnect signaled  
> to the list and Marcel some days before.
> Openobex isn't involved in the problem, in my try I've writed from  
> scatch a simple obex push client (not using openobex but only
> socket).
> In my test I found this : if there are two thread (also two process)  
> making something like
> 
>   ...
>   ret = connect(fd, (struct sockaddr *)dst, sizeof(struct sockaddr_rd));
>   ...
> 
> in simultaneous way the second always fail (return -1). I've also  
> tryed to "protect" the connect using a mutex and all works
> but (naturally) second connection result conditioned to the frist  
> (syncronous so thread it is not useful).
> 
> I think there is some solution to this but I don't know if it's using  
> some ioctl on socket (nonbloking?) or some hci command to adapter.
> Please can some one give me some hint?
> 
> I'm looking at kernel source related to rfcomm (/usr/src/ 
> linux-2.6.116/net/bluetooth/rfcomm/*.c) but I'm not sure the problem  
> reside here...
> 
> 
> thanks, bye
> Fabrizio 
> 
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