From cceaf918a4bbda6e179370b0fac2084ef6df3c49 Mon Sep 17 00:00:00 2001
From: colinhl <helin48@huawei.com>
Date: Thu, 13 Feb 2025 21:15:00 +0800
Subject: [PATCH] fix

Signed-off-by: colinhl <helin48@huawei.com>
---
 Source/astcenc_internal.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/astcenc_internal.h b/Source/astcenc_internal.h
index 4caf60d..5c07813 100644
--- a/Source/astcenc_internal.h
+++ b/Source/astcenc_internal.h
@@ -30,6 +30,7 @@
 #endif
 #include <cstdlib>
 #include <limits>
+#include <mutex>
 
 #ifdef ASTC_CUSTOMIZED_ENABLE
 #include <unistd.h>
@@ -2309,6 +2310,7 @@ public:
 	CustomizedBlockMode customizedBlockModeFunc_;
 	bool LoadSutCustomizedSo()
 	{
+		std::lock_guard<std::mutex> lock(astcCustomizedSoMutex_);
 		if (!astcCustomizedSoOpened_)
 		{
 #if defined(_WIN32) && !defined(__CYGWIN__)
@@ -2415,6 +2417,7 @@ private:
 #else
 	void *astcCustomizedSoHandle_;
 #endif
+    std::mutex astcCustomizedSoMutex_;
 };
 extern AstcCustomizedSoManager g_astcCustomizedSoManager;
 #endif
-- 
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