Antoon Pardon <[EMAIL PROTECTED]> writes: > > I meant a semaphore to synchronize the queue when adding or removing > > objects. > > Last I looked there was a lock used for that.
OK, that amounts to the same thing. > The loop is only for when you cant remove or add an element immediatly > and there is a timeout. > > Timeout would be handled with sigalarm or select. > > How is select going to help? IMO you can't put a Queue in a select call. > And it is doubtfull if working with sigalarm will do the trick. You could open a socket to your own loopback port and then select on it, or something like that. The select call takes a timeout parameter. > First of all is the problem the signal module in python is very limited. > IIRC all signals are routed to the main thread. So breaking a lock > by having the thread signaled is impossible in python. A signal handler in the main thread could release a lock that the thread is waiting on. -- http://mail.python.org/mailman/listinfo/python-list