Bryan Olson <[EMAIL PROTECTED]> writes: > First, a portable worker-process timeout: In the child process, > create a worker daemon thread, and let the main thread wait > until either the worker signals that it is done, or the timeout > duration expires. As the Python Library Reference states in > section 7.5.6:
Maybe the child process can just use sigalarm instead of a separate thread, to implement the timeout. > If Unix-only is acceptable, we can set up the accepting socket, > and then fork(). The child processes can accept() incomming > connections on its copy of the socket. Be aware that select() on > the process-shared socket is tricky, in that that the socket can > select as readable, but the accept() can block because some > other processes took the connection. To get even more OS-specific, AF_UNIX sockets (at least on Linux) have a feature called ancillary messages that allow passing file descriptors between processes. It's currently not supported by the Python socket lib, but one of these days... . But I don't think Windows has anything like it. No idea about QNX. -- http://mail.python.org/mailman/listinfo/python-list