This makes me very happy. I could try to work on integrating this stuff in asyncore, if someone finds this of some interest.
On 20 Dic, 18:08, Christian Heimes <[EMAIL PROTECTED]> wrote: > Linux Kernel 2.6+ and BSD (including Mac OS X) have two I/O event > notification systems similar but superior to select() and poll(). From > the manuals: > > kqueue, kevent -- kernel event notification mechanism > > The kqueue() system call provides a generic method of notifying the user > when an event happens or a condition holds, based on the results of > small pieces of kernel code termed filters. A kevent is identified by > the (ident, filter) pair; there may only be one unique kevent per kqueue. > > epoll - I/O event notification facility > > epoll is a variant of poll(2) that can be used either as an > edge-triggered or a level-triggered interface and scales well to large > numbers of watched file descriptors. > > I've written wrappers for both mechanisms. Both wrappers are inspired > from Twisted and select.poll()'s API. The interface is more Pythonic > than the available wrappers and it reduced the burden on the user. The > users don't have to deal with low level control file descriptors and the > fd is closed automatically when the object is collected. > > epoll interface > > >>> ep = select.epoll(1) > >>> ep.register(fd, select.EPOLL_IN | select.EPOLL_OUT) > >>> ep.modify(fd, select.EPOLL_OUT) > >>> events = ep.wait(1, 1000) > >>> ep.unregister(fd) > > kqueue interface > > The kqueue interface is more low level than the epoll interface. It has > too many options.>>> kq = select.kqueue() > >>> ev = [select.kevent(fd, select.KQ_FILTER_WRITE, > > select.KQ_EV_ONESHOT | select.KQ_EV_ADD)] > > >>> kq.control(ev, 0, 0) > >>> events = kq.control([], 1, None) > > I already talked to some Twisted guys and they really like it. A patch > is available athttp://bugs.python.org/issue1657. The code needs more > unit tests and documentation updates. > > Christian > > _______________________________________________ > Python-Dev mailing list > [EMAIL PROTECTED]://mail.python.org/mailman/listinfo/python-dev > Unsubscribe:http://mail.python.org/mailman/options/python-dev/python-dev2-garchiv... _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
