From 89cf988aaf0de402641cd945e7e9ad5292bc78d6 Mon Sep 17 00:00:00 2001
From: Ansariel <ansariel.hiller@phoenixviewer.com>
Date: Mon, 17 May 2021 09:49:32 +0200
Subject: BUG-230673: Add warning that LLDiskCache::purge() is also called from
 outside the main thread

---
 indra/llfilesystem/lldiskcache.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'indra/llfilesystem/lldiskcache.cpp')

diff --git a/indra/llfilesystem/lldiskcache.cpp b/indra/llfilesystem/lldiskcache.cpp
index 68423cc4f8..17906ce369 100644
--- a/indra/llfilesystem/lldiskcache.cpp
+++ b/indra/llfilesystem/lldiskcache.cpp
@@ -51,6 +51,8 @@ LLDiskCache::LLDiskCache(const std::string cache_dir,
     LLFile::mkdir(cache_dir);
 }
 
+// WARNING: purge() is called by LLPurgeDiskCacheThread. As such it must
+// NOT touch any LLDiskCache data without introducing and locking a mutex!
 void LLDiskCache::purge()
 {
     if (mEnableCacheDebugInfo)
-- 
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