casa-mp-base

Detect Tiger kqueue bug properly on Sierra and later

https://github.com/libevent/libevent/issues/376

https://github.com/libevent/libevent/commit/df6f99e5b51a3c0786f54cb9822604ec63385400

--- kqueue.c.orig   2015-01-05 08:34:32.000000000 -0600

+++ kqueue.c    2016-09-12 14:24:08.000000000 -0500

@@ -153,7 +153,7 @@

    if (kevent(kq,

        kqueueop->changes, 1, kqueueop->events, NEVENT, NULL) != 1 ||

        kqueueop->events[0].ident != -1 ||

-       kqueueop->events[0].flags != EV_ERROR) {

+       !(kqueueop->events[0].flags & EV_ERROR)) {

        event_warn("%s: detected broken kqueue; not using.", __func__);

        free(kqueueop->changes);

        free(kqueueop->events);