How can I tell reliably if a boost thread has exited its run method?

Question

I assumed joinable would indicate this, however, it does not seem to be the case.

In a worker class, I was trying to indicate that it was still processing through a

Answer 1

Use thread::timed_join() with a minimal timeout. It will return false if the thread is still running.

Sample code:

thread_->timed_join(boost::posix_time::seconds(0));