Does libnl support multihtreaded apps ?

Romary Sonrier romary at sonrier.com
Thu May 12 07:56:47 EDT 2011


I have been searching 30" the patch over the net, I still can't find it...
Do you have it ?


Le 12/05/2011 12:53, Thomas Graf a écrit :
> On Thu, May 12, 2011 at 12:44:58PM +0200, Romary Sonrier wrote:
>> So i checked into the var sk->s_local ( my process pid is 6808)
>> Thread that doesn't get any error : s_local = {nl_family = 16, nl_pad =
>> 0, nl_pid = 6808, nl_groups = 0},
>> Thread that does get an error : s_local = {nl_family = 16, nl_pad = 0,
>> nl_pid = 4201112, nl_groups = 0},
>>
>> I didn't took time to understand the function  generate_local_port(),
>> but it seems realy obscure to me.
>> As far a I understood generate_local_port(), the bit mapping seeme to be
>> correct:
>>  6808 :                   00000000001101010011000
>>  4201112:              10000000001101010011000
>>
>> So the question is for me : Does libnl support multihtreaded apps ?
>>
>> Does someone hase any idea ?
> In general libnl does support multithreaded apps. There are a few remaining
> problem areas, one of them is the above mentioned generate_local_port().
> There is a patch from NetworkManager which introduces proper locking. I
> just haven't gotten around merging it yet.




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