uloop: add support for integrating with a different event loop

[project/libubox.git] / uloop-kqueue.c

diff --git a/uloop-kqueue.c b/uloop-kqueue.c
index ba5595b838422f8f9ecb425236a216434d681e99..c1275b05a781140a5388e0712b9aba4f1f6819ae 100644 (file)
--- a/uloop-kqueue.c
+++ b/uloop-kqueue.c
@@ -66,6 +66,9 @@ static int register_kevent(struct uloop_fd *fd, unsigned int flags)
        if (changed & ULOOP_EDGE_TRIGGER)
                changed |= flags;
 
+       if (!changed)
+               return 0;
+
        if (changed & ULOOP_READ) {
                kflags = get_flags(flags, ULOOP_READ);
                EV_SET(&ev[nev++], fd->fd, EVFILT_READ, kflags, 0, 0, fd);
@@ -79,7 +82,6 @@ static int register_kevent(struct uloop_fd *fd, unsigned int flags)
        if (!flags)
                fl |= EV_DELETE;
 
-       fd->flags = flags;
        if (kevent(poll_fd, ev, nev, NULL, fl, &timeout) == -1)
                return -1;