Subject: Re: [boost] [mutex] move / merge
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2011-05-18 11:45:06
On 05/18/2011 12:17 AM, Phil Bouchard wrote:
> The bottom line is I would need a ~mutex() that discards errors and an
> atomic way of performing the following consecutive locks:
> template <typename V>
> block_ptr & operator = (block_ptr<V> const & p)
> mutex::scoped_lock scoped_lock1(ps_->redir()->mutex_);
> mutex::scoped_lock scoped_lock2(p.ps_->redir()->mutex_);
Combining the locking of multiple mutexes requires defining an order in
which they should always be acquired so as to define a lock hierarchy.
Using the address of the mutex in question for that ordering should work.
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk