Package twisted :: Package internet :: Module kqreactor

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## Module twisted.internet.kqreactor

    A kqueue()/kevent() based implementation of the Twisted main loop.

    To install the event loop (and you should do this before any connections,
    listeners or connectors are added)::

        | from twisted.internet import kqreactor
        | kqreactor.install()

    This reactor only works on FreeBSD and requires PyKQueue 1.3, which is
    available at:  U{http://people.freebsd.org/~dwhite/PyKQueue/}

    API Stability: stable

    Maintainer: U{Itamar Shtull-Trauring<mailto:twisted@itamarst.org>}

    You're going to need to patch PyKqueue:

    =====================================================
    --- PyKQueue-1.3/kqsyscallmodule.c      Sun Jan 28 21:59:50 2001
    +++ PyKQueue-1.3/kqsyscallmodule.c.new  Tue Jul 30 18:06:08 2002
    @@ -137,7 +137,7 @@
     }

     statichere PyTypeObject KQEvent_Type = {
    -  PyObject_HEAD_INIT(NULL)
    +  PyObject_HEAD_INIT(&PyType_Type)
       0,                             // ob_size
       "KQEvent",                     // tp_name
       sizeof(KQEventObject),         // tp_basicsize
    @@ -291,13 +291,14 @@

       /* Build timespec for timeout */
       totimespec.tv_sec = timeout / 1000;
    -  totimespec.tv_nsec = (timeout % 1000) * 100000;
    +  totimespec.tv_nsec = (timeout % 1000) * 1000000;

       // printf("timespec: sec=%d nsec=%d
    ", totimespec.tv_sec, totimespec.tv_nsec);

       /* Make the call */
    -
    +  Py_BEGIN_ALLOW_THREADS
       gotNumEvents = kevent (self->fd, changelist, haveNumEvents, triggered, wantNumEvents, &totimespec);
    +  Py_END_ALLOW_THREADS

       /* Don't need the input event list anymore, so get rid of it */
       free (changelist);
    @@ -361,7 +362,7 @@
     statichere PyTypeObject KQueue_Type = {
            /* The ob_type field must be initialized in the module init function
             * to be portable to Windows without using C++. */
    -       PyObject_HEAD_INIT(NULL)
    +       PyObject_HEAD_INIT(&PyType_Type)
            0,                      /*ob_size*/
            "KQueue",                       /*tp_name*/
            sizeof(KQueueObject),   /*tp_basicsize*/

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