From e81359a9a3240187bf3a02fdb48b8709238bdc51 Mon Sep 17 00:00:00 2001
From: Eike Rathke <erack@redhat.com>
Date: Fri, 20 Sep 2013 14:47:27 +0200
Subject: added registerImpl() re-entered warning

Change-Id: I064d7241343fadd0256bb0fa5ad32fabcd6738a4
---
 i18nlangtag/source/languagetag/languagetag.cxx | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'i18nlangtag')

diff --git a/i18nlangtag/source/languagetag/languagetag.cxx b/i18nlangtag/source/languagetag/languagetag.cxx
index 98dd2a5df8f5..7d0359702860 100644
--- a/i18nlangtag/source/languagetag/languagetag.cxx
+++ b/i18nlangtag/source/languagetag/languagetag.cxx
@@ -654,6 +654,16 @@ LanguageTag::ImplPtr LanguageTag::registerImpl() const
 
     osl::MutexGuard aGuard( theMutex::get());
 
+#if OSL_DEBUG_LEVEL > 0
+    static long nRunning = 0;
+    // Entering twice here is ok, which is needed for fallback init in
+    // getKnowns() in canonicalize() via pImpl->convertBcp47ToLocale() below,
+    // everything else is suspicious.
+    SAL_WARN_IF( nRunning > 1, "i18nlangtag", "LanguageTag::registerImpl: re-entered for '"
+            << maBcp47 << "' 0x" << ::std::hex << mnLangID );
+    struct Runner { Runner() { ++nRunning; } ~Runner() { --nRunning; } } aRunner;
+#endif
+
     // Prefer LangID map as find+insert needs less comparison work.
     if (mbInitializedLangID)
     {
-- 
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