Re: [lwip-users] Recv en socket TCP

[Kieran Mansley]

On Sun, 2009-10-04 at 09:39 +0200, Oscar F wrote:
> Hello Again. i don´t know what happend, but i have tested all solution
> and don´t work always is blocked in recv.
> 
> I follow the call stack, because the debug mode doesn´t work at the
> moment, and this the result

> 4 sys_sem_signal() C:\Proyectos DAS\ProyectosAVRStudio32\Proyectos
> demos AVR32\Simulador_RTU\src\NETWORK\lwip-port\AT32UC3A
> \sys_arch.c:138 0x80016eca    
> 3 do_recv() C:\Proyectos DAS\ProyectosAVRStudio32\Proyectos demos
> AVR32\Simulador_RTU\src\SOFTWARE_FRAMEWORK\SERVICES\lwip-1.3.0\src\api
> \api_msg.c:923 0x80011156    
> 2 tcpip_thread() C:\Proyectos DAS\ProyectosAVRStudio32\Proyectos demos
> AVR32\Simulador_RTU\src\SOFTWARE_FRAMEWORK\SERVICES\lwip-1.3.0\src\api
> \tcpip.c:271 0x8000ed84    
> 1 <symbol is not available> 0xdeadbeef   

The call to sys_sem_signal() seems to be where it is blocking, but that
function shouldn't block.  Perhaps this is down to the implementation of
the sys layer in your port, rather than lwIP itself.

Kieran