From: Tobias Klauser <tklauser@distanz.ch>
Date: Wed, 23 Oct 2019 06:58:49 +0000 (+0200)
Subject: runtime: report correct error if kevent failed in netpollinit
X-Git-Tag: go1.14beta1~614
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=9fc41cd697634c1a292750a66208ebba626efd5e;p=gostls13.git

runtime: report correct error if kevent failed in netpollinit

Report the value returned by kevent, not the previously set errno which
is 0.

Found while debugging CL 198544

Change-Id: I854f5418f8ed8e083d909d328501355496c67a53
Reviewed-on: https://go-review.googlesource.com/c/go/+/202777
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---

diff --git a/src/runtime/netpoll_kqueue.go b/src/runtime/netpoll_kqueue.go
index 54586a393d..22902aa786 100644
--- a/src/runtime/netpoll_kqueue.go
+++ b/src/runtime/netpoll_kqueue.go
@@ -35,7 +35,7 @@ func netpollinit() {
 	*(*uintptr)(unsafe.Pointer(&ev.ident)) = uintptr(r)
 	n := kevent(kq, &ev, 1, nil, 0, nil)
 	if n < 0 {
-		println("runtime: kevent failed with", -errno)
+		println("runtime: kevent failed with", -n)
 		throw("runtime: kevent failed")
 	}
 	netpollBreakRd = uintptr(r)