kqueue: remove timeout handling for nevents==0

The underlying kevent() itself already bypasses the timeout
if nevents==0 (so it is impossible to emulate a sleep function
with kevent()).

1 files changed, 2 insertions, 3 deletions

diff --git a/ext/sleepy_penguin/kqueue.c b/ext/sleepy_penguin/kqueue.c
index e7d1deb..59c3dae 100644
--- a/ext/sleepy_penguin/kqueue.c
+++ b/ext/sleepy_penguin/kqueue.c
@@ -365,14 +365,13 @@ static VALUE sp_kevent(int argc, VALUE *argv, VALUE self)
                         rb_raise(rb_eArgError,
                                 "block given but nevents not specified");
                 nevents = NUM2INT(events);
-                if (nevents <= 0)
-                        rb_raise(rb_eArgError, "nevents must be positive");
+                if (nevents < 0)
+                        rb_raise(rb_eArgError, "nevents must be non-negative");
         } else {
                 if (!NIL_P(events))
                         rb_raise(rb_eArgError,
                                 "nevents specified but block not given");
                 nevents = 0;
-                timeout = INT2FIX(0);
         }
 
         kpt = kpt_get(self, nchanges, nevents);