Re: [boost] boost.lockfree update

Subject: Re: [boost] boost.lockfree update
From: Andy Venikov (avenikov_at_[hidden])
Date: 2010-08-24 10:51:36

Oleg Grunin wrote:
> I may be confused, but doesn't fifo have to spin (for(;;;)) also? Or do 
> you mean that the tbb spin will call yield() after a certain number of 
> tries?
> 

There's a loop in fifo, true. But this loop is non-blocking in a sense 
that it has a property that if several threads enter this loop then at 
least one thread will make progress for sure. With a blocking spin-lock, 
it's possible for none of the threads to make any progress.

Andy.