From ec22a5c10db7898508a3c9516088921d1782bfb2 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Sun, 29 Apr 2018 21:43:39 +0100
Subject: util.timer: Ensure we don't try to schedule negative timeouts (which
 rightly upset libevent). Fixes #1135

---
 util/timer.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'util')

diff --git a/util/timer.lua b/util/timer.lua
index 70678ab2..424d44fa 100644
--- a/util/timer.lua
+++ b/util/timer.lua
@@ -15,6 +15,7 @@ local type = type;
 local debug_traceback = debug.traceback;
 local tostring = tostring;
 local xpcall = xpcall;
+local math_max = math.max;
 
 local _ENV = nil;
 -- luacheck: std none
@@ -87,7 +88,7 @@ local function stop(id)
 		next_time = peek;
 		_server_timer:close();
 		if next_time ~= nil then
-			_server_timer = _add_task(next_time - get_time(), _on_timer);
+			_server_timer = _add_task(math_max(next_time - get_time(), 0), _on_timer);
 		end
 	end
 	return result, item, result_sync;
-- 
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