Re: [Boost-users] newbie thread synchronization question

Subject: Re: [Boost-users] newbie thread synchronization question
From: Igor R (boost.lists_at_[hidden])
Date: 2009-03-01 14:35:56

>
> If I use it in from multiple threads with code that looks like:
>  // s is an instance of Shared
>  s.lock();
>  int q = s.getQty();
>  ++q;
>  s.setQty(q);
>  s.unlock();
>
It's correct locking, but if getQty/setQty throw, the object never gets
unlocked. So it's worth useing some RAII-style technique.