Add mutex to guard the shared string pool content.

Change-Id: I0eb97d0fbeaefd8a1c86d240ed8bd7f208fb662e

1 files changed, 6 insertions, 0 deletions

diff --git a/svl/source/misc/sharedstringpool.cxx b/svl/source/misc/sharedstringpool.cxx
index 46bf814f8468..1e85da589bf9 100644
--- a/svl/source/misc/sharedstringpool.cxx
+++ b/svl/source/misc/sharedstringpool.cxx
@@ -17,6 +17,8 @@ SharedStringPool::SharedStringPool( const CharClass* pCharClass ) : mpCharClass(
 
 SharedString SharedStringPool::intern( const OUString& rStr )
 {
+    osl::MutexGuard aGuard(&maMutex);
+
     InsertResultType aRes = findOrInsert(maStrPool, rStr);
     if (aRes.first == maStrPool.end())
         // Insertion failed.
@@ -63,6 +65,8 @@ inline sal_Int32 getRefCount( const rtl_uString* p )
 
 void SharedStringPool::purge()
 {
+    osl::MutexGuard aGuard(&maMutex);
+
     StrHashType aNewStrPool;
     StrHashType::iterator it = maStrPool.begin(), itEnd = maStrPool.end();
     for (; it != itEnd; ++it)
@@ -98,11 +102,13 @@ void SharedStringPool::purge()
 
 size_t SharedStringPool::getCount() const
 {
+    osl::MutexGuard aGuard(&maMutex);
     return maStrPool.size();
 }
 
 size_t SharedStringPool::getCountIgnoreCase() const
 {
+    osl::MutexGuard aGuard(&maMutex);
     return maStrPoolUpper.size();
 }