Re: Multi-threading

Dipankar Sarma (dipankar@in.ibm.com)
Tue, 12 Mar 2002 01:06:18 +0530

In article <20020311182111Z310364-889+120750@vger.kernel.org> Brad Pepers wrote:
> There was a message posted by Jim Starkey about his experiences using threads
> on Linux and the problems debugging them. It came down to two things:

> 2. Linux is missing an atomic use-count mechanism which returns values like
> the Microsoft InterlockedIncrement/Decrement functions do.

Can't this be done using atomic_dec_and_test() and the likes ?
Google tells me that windoze InterlockedIncrement/Decrement stuff
does the almost same thing. Why can't refcounting be
implemented using just atomic_inc/dec and/or atomic_inc/dec_and_test ?

Thanks

-- 
Dipankar Sarma  <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.
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