[ubuntu-uk] wifi dongle driver .....

Alan Bell alan.bell at theopenlearningcentre.com
Fri May 13 22:56:12 UTC 2011


On 13/05/11 21:27, Barry Drake wrote:
> On Fri, 2011-05-13 at 20:58 +0100, Matthew Daubney wrote:
>> Lots of suggestions on the net seem to suggest replacing all instances
>> of init_MUTEX with sema_init (use a semaphore lock instead of a mutex
>> lock). Might be worth a try :)
> Thanks Matt.  It worked like a charm!  I hadn't a clue what a 'mutex'
> was.  There was only one instance, and sema_init worked just fine.
>
> Regards,		Barry.
>
mutex is short for mutually exclusive, it means that if the lock is set 
then no other parallel process is allowed to mess with the thing that is 
being locked. Semaphores are like mutexes but are slightly more 
sophisticated.

http://geekswithblogs.net/shahed/archive/2006/06/09/81268.aspx



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