Re: [boost] boost lockfree queue.hpp - alternate implementation w/o compare_exchange

Subject: Re: [boost] boost lockfree queue.hpp - alternate implementation w/o compare_exchange
From: Gavin Lambert (gavinl_at_[hidden])
Date: 2015-10-22 04:03:54

On 22/10/2015 20:57, Giovanni Piero Deretta wrote:
> It seems to me then it is not really lock free then, right?

There's a difference between "lock free" and "wait free" (though I 
haven't examined the code to see which most correctly applies here).

Wait-free is better than lock-free, of course, but it's also incredibly 
hard to achieve in an MPMC problem.