Phil Bouchard <philippe@fornux.com> writes:
On 5/18/2011 8:45 AM, Mathias Gaunard wrote:
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.
That's unfortunate because it'll uglify the code. A more important problem is that "ps_->redir()->mutex_" and "p.ps_->redir()->mutex_" need to be called in a lock mode right before. For that I need to lock a global mutex, which I was trying not to do.
Using boost::lock() you don't have to worry about defining an ordering; boost::lock() will take care of it for you. Anthony -- Author of C++ Concurrency in Action http://www.stdthread.co.uk/book/ just::thread C++0x thread library http://www.stdthread.co.uk Just Software Solutions Ltd http://www.justsoftwaresolutions.co.uk 15 Carrallack Mews, St Just, Cornwall, TR19 7UL, UK. Company No. 5478976