From 8945f4db95ec75dd1f9de763ae249d9e433d3732 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher <jakobunt@gmail.com>
Date: Sat, 10 Dec 2016 15:01:00 +0100
Subject: [PATCH] ctlsock: add a note about Accept() throwing errors on Close()

---
 internal/ctlsock/ctlsock_serve.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/ctlsock/ctlsock_serve.go b/internal/ctlsock/ctlsock_serve.go
index 45b1e5b..a8e6766 100644
--- a/internal/ctlsock/ctlsock_serve.go
+++ b/internal/ctlsock/ctlsock_serve.go
@@ -60,6 +60,9 @@ func (ch *ctlSockHandler) acceptLoop() {
 	for {
 		conn, err := ch.socket.Accept()
 		if err != nil {
+			// TODO Can this warning trigger when the socket it closed on
+			// program exit? I have never observed it, but the documentation
+			// says that Close() unblocks Accept().
 			tlog.Warn.Printf("ctlsock: Accept error: %v", err)
 			break
 		}