epoll: add a note about CLOCK_MONOTONIC for 1.8

We won't be spending too much time on 1.8 support
anymore.

1 files changed, 1 insertions, 0 deletions

diff --git a/ext/sleepy_penguin/epoll.c b/ext/sleepy_penguin/epoll.c
index 4db2179..621205f 100644
--- a/ext/sleepy_penguin/epoll.c
+++ b/ext/sleepy_penguin/epoll.c
@@ -428,6 +428,7 @@ static int epwait_timed(struct rb_epoll *ep)
                 if (n > 0 || (n == -1 && errno != EINTR))
                         return n;
 
+                /* XXX use CLOCK_MONOTONIC if people care about 1.8... */
                 gettimeofday(&now, NULL);
                 timersub(&now, &t0, &diff);
                 timersub(&tv, &diff, &tv);