I found the root cause, it was one socket which was not getting freed up. Thanks, Rahul
On Mon, Jan 9, 2012 at 10:55 AM, Rahul Gundecha <[email protected]>wrote: > I am using stats_display() function (from ./src/include/lwip/stats.h) to > display the stats about pcb usage. And I observe that the used udp pcb > count go on increasing till the available limit and then I get errors > whenever I try to create new udp pcb. > > MEM UDP_PCB > [218.174045] : avail: 8 > [218.176040] : used: 8 > [218.178007] : max: 8 > [218.180016] : err: 2 > > Here I am puzzled with the comment in the code. > > > "Call sequence here is: > lwip_close -> netconn_delete -> netconn_free > > The comments on netconn_free() function says this - > * Delete a netconn and all its resources. > * The pcb is NOT freed (since we might not be in the right thread context > do this)." > > Thanks, > Rahul > > > > On Sat, Jan 7, 2012 at 9:34 PM, Kieran Mansley <[email protected]> wrote: > >> >> On 6 Jan 2012, at 14:12, Rahul Gundecha wrote: >> >> > In my code, the sockets are closed by calling lwip_close(). >> >> lwip_close() should be sufficient if you're using the sockets API. Can >> you give more details of what shows that the PCBs are not being freed? >> >> Kieran >> _______________________________________________ >> lwip-users mailing list >> [email protected] >> https://lists.nongnu.org/mailman/listinfo/lwip-users >> > >
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