[Click] mutex on click

[Eddie Kohler]

Look in <click/sync.hh>.  Spinlock, for example.  However, there is very 
little support in Click for multithreading at userlevel.  Spinlock does 
nothing at userlevel.  It should be easy to hack it to, for example, use 
pthread primitives but we have not done that in mainline.

Eddie


Giovanni Di Stasi wrote:
> Hi everyone,
> I have to protect some structures that are accessed by more than a thread. So I need mutexes, or some synchronization mechanisms... 
> I need something that is usable both in userspace and in kernel mode.
> 
> Thanks.
> 
> 
> 
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