timer: drain data on the timerfd when it triggers

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/src/timer.c b/src/timer.c
index f6c8e427679be2ef347e8abda1837dc7cb2ff45b..285f75b2a0a83b4d58485704978b0a416beb5fec 100644 (file)
--- a/src/timer.c
+++ b/src/timer.c
@@ -101,6 +101,9 @@ libinput_timer_handler(void *data)
        struct libinput *libinput = data;
        struct libinput_timer *timer, *tmp;
        uint64_t now;
+       uint64_t discard;
+
+       read(libinput->timer.fd, &discard, sizeof(discard));
 
        now = libinput_now(libinput);
        if (now == 0)