From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Tue, 14 Apr 2020 05:55:29 +0000 (+0200)
Subject: lua worker.bg_worker: also report missing cqueues
X-Git-Tag: v5.1.0~17^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd6ec06d5c9659004353cd9ca64e6e51d2acde3b;p=thirdparty%2Fknot-resolver.git

lua worker.bg_worker: also report missing cqueues

Otherwise people could get confusing errors like:
> attempt to index field 'bg_worker' (a nil value)
---

diff --git a/daemon/lua/sandbox.lua.in b/daemon/lua/sandbox.lua.in
index 115bf5801..e5293d17b 100644
--- a/daemon/lua/sandbox.lua.in
+++ b/daemon/lua/sandbox.lua.in
@@ -638,4 +638,5 @@ else
 	worker.sleep = disabled
 	worker.map = disabled
 	worker.coroutine = disabled
+	worker.bg_worker = setmetatable({}, { __index = disabled })
 end