From 6db39a6f1d3b290fd12ab8e96100ebb89713d8ea Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <andreykproductengine@lindenlab.com>
Date: Thu, 21 Jul 2022 20:52:15 +0300
Subject: SL-17778 'Application not responding' popup while cleaning cache on
 startup

---
 indra/newview/lltexturecache.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'indra')

diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp
index d4fc6f3de2..882378d7e5 100644
--- a/indra/newview/lltexturecache.cpp
+++ b/indra/newview/lltexturecache.cpp
@@ -1645,6 +1645,12 @@ void LLTextureCache::purgeAllTextures(bool purge_directories)
 			{
 				gDirUtilp->deleteFilesInDir(dirname, mask);
 			}
+#if LL_WINDOWS
+            // Texture cache can be large and can take a while to remove
+            // assure OS that processes is alive and not hanging
+            MSG msg;
+            PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE | PM_NOYIELD);
+#endif
 		}
 		gDirUtilp->deleteFilesInDir(mTexturesDirName, mask); // headers, fast cache
 		if (purge_directories)
-- 
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