> > Does anyone have any recommended ideas/ways of implementing a proper > > control and status protocol for communicating with threads? I have a > > program that spawns a few worker threads, and I'd like a good, clean way > > of communicating the status of these threads back to the main thread. > > Each thread (wrapped in a very simple class) has only a few states, and > > progress levels in those states. And sometimes they can error out, > > although if the main thread knew about it, it could ask the thread to > > retry (start over). How would any of you do this? A callback method > > that the thread can call (synchronizing one-way variables isn't a > > problem)? A queue? How would the main thread check these things? > > Currently the main thread is polling some simple status variables. This > > works, and polling will likely continue to be the simplest and easiest > > way, but simple status variables are very limited. Are there any > > pythonic patterns people have developed for this.
There is the PyThreadState_SetAsyncExc API. "To prevent naive misuse, you must write your own C extension to call this." -- http://mail.python.org/mailman/listinfo/python-list
