Re: [Boost-users] [thread] Out of order problem signalling a condition and waiting on a predicate

Kirit Sælensminde wrote:

// Notify joins boost::mutex::scoped_lock lock( m_mutex ); j->first->m_completed = true; j->first->m_control.notify_all();

Are you sure that you want to lock m_mutex here and not j->first->m_mutex? (Also applies to the catch clauses.)