Re: [boost] [Atomic] Confusion about Atomicaty of atomic::exchange.

Subject: Re: [boost] [Atomic] Confusion about Atomicaty of atomic::exchange.
From: Peter Dimov (pdimov_at_[hidden])
Date: 2010-09-27 07:03:50

"cexer" wrote:

> Then thread1 arrives code B, because at this moment o! = i, calling to 
> compare_exchnage_weak will fail, atomic::exchange them will went into 
> infinite loop, this is terrible. I know I must missing something here, so 
> I posting here, expecting that  someone could please remind me a little 
> bit?

compare_exchange_weak updates o.