BUG/MAJOR: kqueue: Don't reset the changes number by accident.
In _update_fd(), if the fd wasn't polled, and we don't want it to be polled,
we just returned 0, however, we should return changes instead, or all previous
changes will be lost.
This should be backported to 1.8.
diff --git a/src/ev_kqueue.c b/src/ev_kqueue.c
index 087a07e..e2f04f7 100644
--- a/src/ev_kqueue.c
+++ b/src/ev_kqueue.c
@@ -44,7 +44,7 @@
if (!(fdtab[fd].thread_mask & tid_bit) || !(en & FD_EV_POLLED_RW)) {
if (!(polled_mask[fd] & tid_bit)) {
/* fd was not watched, it's still not */
- return 0;
+ return changes;
}
/* fd totally removed from poll list */
EV_SET(&kev[changes++], fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);