# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1592124008 -3600
# Node ID 558f0555ba02979320f93a39c4f7fe447c4ad524
# Parent  69a4b0e3565f7c9cbd08f2c039e2c80a4334eb3e
util.async: Don't attempt to close thread if not created yet

diff -r 69a4b0e3565f -r 558f0555ba02 util/async.lua
--- a/util/async.lua	Sun Jun 14 08:49:32 2020 +0100
+++ b/util/async.lua	Sun Jun 14 09:40:08 2020 +0100
@@ -160,7 +160,7 @@
 	local q, thread = self.queue, self.thread;
 	if not thread or coroutine.status(thread) == "dead" then
 		--luacheck: ignore 143/coroutine
-		if coroutine.close then
+		if thread and coroutine.close then
 			coroutine.close(thread);
 		end
 		self:log("debug", "creating new coroutine");