From 4c20271dc7dc7dae50fd6d1e9cdb0ebc51769b65 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Mon, 4 Mar 2019 02:47:56 +0100
Subject: [PATCH] ticker: fix a crash upon exit on Windows.

We need to ensure the inter-thread messaging queues are empty (more
specifically, not locked) before destroying them. The best way to ensure
that is to explicitly wait for thread termination.
---
 src/engine/ticker.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/engine/ticker.cpp b/src/engine/ticker.cpp
index d1982c46..cea13b5a 100644
--- a/src/engine/ticker.cpp
+++ b/src/engine/ticker.cpp
@@ -49,6 +49,8 @@ public:
 #if LOL_FEATURE_THREADS
         gametick.push(0);
         disktick.push(0);
+        gamethread.release();
+        diskthread.release();
 #endif
     }
 
@@ -82,7 +84,6 @@ private:
     void GameThreadMain();
     void DrawThreadMain(); /* unused for now */
     void DiskThreadMain();
-    thread *drawthread;
     std::unique_ptr<thread> gamethread, diskthread;
     queue<int> gametick, drawtick, disktick;
 #endif