Boost logo

Boost :

Subject: Re: [boost] threadpool lockfree_channel
From: Tim Blechmann (tim_at_[hidden])
Date: 2009-03-16 08:42:37

> Since you are using tagged pointers, you could increment the tag value
> whenever you reuse a node, which will at least ensure that the CAS in

thanks for noting this issue! i will apply a fix for it later ...

> Alternatively, you could use hazard pointers, reference-counted
> pointers (as per the implementation I posted), reference counting on
> the whole queue (last one out deletes any dequeued nodes), or another
> memory reclamation scheme.

i have an implementation of the `pass-the-buck' algorithm for memory
reclamation, but from my understanding both `pass-the-buck' and
`smr'/hazard pointers may be patented :(

thanks, tim

Relying on the government to protect your privacy is like asking a
peeping tom to install your window blinds.
  John Perry Barlow

Boost list run by bdawes at, gregod at, cpdaniel at, john at