From 843cff0537ca07446ab01421ffc7aa6181414502 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Tue, 8 Feb 2022 09:39:02 -0800
Subject: Hold mPropLock when deferring updates

---
 al/state.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'al/state.cpp')

diff --git a/al/state.cpp b/al/state.cpp
index bd62c4e3..6da55d6f 100644
--- a/al/state.cpp
+++ b/al/state.cpp
@@ -878,6 +878,7 @@ START_API_FUNC
     ContextRef context{GetContextRef()};
     if UNLIKELY(!context) return;
 
+    std::lock_guard<std::mutex> _{context->mPropLock};
     context->deferUpdates();
 }
 END_API_FUNC
@@ -888,6 +889,7 @@ START_API_FUNC
     ContextRef context{GetContextRef()};
     if UNLIKELY(!context) return;
 
+    std::lock_guard<std::mutex> _{context->mPropLock};
     context->processUpdates();
 }
 END_API_FUNC
-- 
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