From e48f4ce004c5c871282e62a71e23a803e9d8fa09 Mon Sep 17 00:00:00 2001
From: gibbed <rick@gibbed.us>
Date: Sat, 3 Aug 2019 23:48:05 -0500
Subject: [PATCH] [Core] Only wait on the main thread if it actually exists.

---
 src/xenia/emulator.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/xenia/emulator.cc b/src/xenia/emulator.cc
index f413049b4..b1d976c9e 100644
--- a/src/xenia/emulator.cc
+++ b/src/xenia/emulator.cc
@@ -581,7 +581,9 @@ bool Emulator::ExceptionCallback(Exception* ex) {
 
 void Emulator::WaitUntilExit() {
   while (true) {
-    xe::threading::Wait(main_thread_->thread(), false);
+    if (main_thread_) {
+      xe::threading::Wait(main_thread_->thread(), false);
+    }
 
     if (restoring_) {
       restore_fence_.Wait();