From 9513e03fd7425391c3673ffe8614d29ae3135426 Mon Sep 17 00:00:00 2001
From: Noel Grandin <noelgrandin@gmail.com>
Date: Sun, 28 Nov 2021 21:32:15 +0200
Subject: OInterfaceContainerHelper3 needs to be thread-safe

Change-Id: I11b84917033073d29268e61175faf43cbd5b1168
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125986
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
(cherry picked from commit 17aa192818caeb9af1381051a2dfda9568f7ce07)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125991
---
 include/comphelper/interfacecontainer3.hxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/comphelper/interfacecontainer3.hxx b/include/comphelper/interfacecontainer3.hxx
index 56cbeca61433..a9298a69e76d 100644
--- a/include/comphelper/interfacecontainer3.hxx
+++ b/include/comphelper/interfacecontainer3.hxx
@@ -85,7 +85,9 @@ public:
 
 private:
     OInterfaceContainerHelper3<ListenerT>& rCont;
-    o3tl::cow_wrapper<std::vector<css::uno::Reference<ListenerT>>> maData;
+    o3tl::cow_wrapper<std::vector<css::uno::Reference<ListenerT>>,
+                      o3tl::ThreadSafeRefCountingPolicy>
+        maData;
     sal_Int32 nRemain;
 
     OInterfaceIteratorHelper3(const OInterfaceIteratorHelper3&) = delete;
@@ -209,7 +211,9 @@ public:
 
 private:
     friend class OInterfaceIteratorHelper3<ListenerT>;
-    o3tl::cow_wrapper<std::vector<css::uno::Reference<ListenerT>>> maData;
+    o3tl::cow_wrapper<std::vector<css::uno::Reference<ListenerT>>,
+                      o3tl::ThreadSafeRefCountingPolicy>
+        maData;
     ::osl::Mutex& rMutex;
     OInterfaceContainerHelper3(const OInterfaceContainerHelper3&) = delete;
     OInterfaceContainerHelper3& operator=(const OInterfaceContainerHelper3&) = delete;
-- 
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