uloop: do less state/change tracking for kevent() on mac os x, it is unreliable

[project/libubox.git] / uloop.c

diff --git a/uloop.c b/uloop.c
index f4f5e02..2de94f5 100644 (file)
--- a/uloop.c
+++ b/uloop.c
@@ -88,23 +88,15 @@ static int register_poll(struct uloop_fd *fd, unsigned int flags)
 {
        struct timespec timeout = { 0, 0 };
        struct kevent ev[2];
-       unsigned int changed;
        int nev = 0;
        unsigned int fl = 0;
+       uint16_t kflags;
 
-       changed = fd->kqflags ^ flags;
-       if (changed & ULOOP_EDGE_TRIGGER)
-               changed |= flags;
+       kflags = get_flags(flags, ULOOP_READ);
+       EV_SET(&ev[nev++], fd->fd, EVFILT_READ, kflags, 0, 0, fd);
 
-       if (changed & ULOOP_READ) {
-               uint16_t kflags = get_flags(flags, ULOOP_READ);
-               EV_SET(&ev[nev++], fd->fd, EVFILT_READ, kflags, 0, 0, fd);
-       }
-
-       if (changed & ULOOP_WRITE) {
-               uint16_t kflags = get_flags(flags, ULOOP_WRITE);
-               EV_SET(&ev[nev++], fd->fd, EVFILT_WRITE, kflags, 0, 0, fd);
-       }
+       kflags = get_flags(flags, ULOOP_WRITE);
+       EV_SET(&ev[nev++], fd->fd, EVFILT_WRITE, kflags, 0, 0, fd);
 
        if (!flags)
                fl |= EV_DELETE;
@@ -112,7 +104,6 @@ static int register_poll(struct uloop_fd *fd, unsigned int flags)
        if (nev && (kevent(poll_fd, ev, nev, NULL, fl, &timeout) == -1))
                return -1;
 
-       fd->kqflags = flags;
        return 0;
 }