kqueue: set zero timeout if not retrieving events

Having a timeout does not make sense if not retrieving events,
so avoid potentially triggering bugs or strange behavior between
different kqueue implementations.

1 files changed, 1 insertions, 0 deletions

diff --git a/ext/sleepy_penguin/kqueue.c b/ext/sleepy_penguin/kqueue.c
index 8e33592..78a13c3 100644
--- a/ext/sleepy_penguin/kqueue.c
+++ b/ext/sleepy_penguin/kqueue.c
@@ -317,6 +317,7 @@ static VALUE sp_kevent(int argc, VALUE *argv, VALUE self)
                         rb_raise(rb_eArgError,
                                 "nevents specified but block not given");
                 nevents = 0;
+                timeout = INT2FIX(0);
         }
 
         kpt = kpt_get(self, nchanges, nevents);