From 29b0453cf15913b321ea423b7f81fdee55eb4409 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 14 May 2018 00:37:22 +0200
Subject: [PATCH] Send event on erroring kqueue

---
 uapi_darwin.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/uapi_darwin.go b/uapi_darwin.go
index 449fb98..0f6d904 100644
--- a/uapi_darwin.go
+++ b/uapi_darwin.go
@@ -109,6 +109,11 @@ func UAPIListen(name string, file *os.File) (net.Listener, error) {
 				return
 			}
 			if kerr != nil || n != 1 {
+				if kerr != nil {
+					l.connErr <- kerr
+				} else {
+					l.connErr <- errors.New("kqueue returned empty")
+				}
 				return
 			}
 			n, kerr = unix.Kevent(uapi.kqueueFd, []unix.Kevent_t{event}, events, nil)