From e3691dbc13b94e0a304ff3bf6e69f070d0e3fcd1 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Fri, 16 Apr 2021 22:30:09 +0100
Subject: [PATCH] Explain reason for invalidating gs_tlsThisThread better

Just improve a comment, no real changes.
---
 src/msw/thread.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/msw/thread.cpp b/src/msw/thread.cpp
index f947c2a156..2b22bd61c2 100644
--- a/src/msw/thread.cpp
+++ b/src/msw/thread.cpp
@@ -1266,8 +1266,9 @@ void wxThreadModule::OnExit()
         wxLogLastError(wxT("TlsFree failed."));
     }
 
-    // invalidate slot index to prevent wxThread from trying to reuse it if the
-    // library is initialized again later
+    // invalidate slot index to make the errors more obvious if we try to use
+    // it from now on, e.g. if any wxThreads are still running (which shouldn't
+    // be the case, of course, but might still happen)
     gs_tlsThisThread = TLS_OUT_OF_INDEXES;
 
     if ( gs_critsectGui )