tdf#126279 related: remove locks from NeonLockStore after NE_AUTH error

Change-Id: Idbbb9bb215e3a56e72a29f798c5a5f84afaf2213
Reviewed-on: https://gerrit.libreoffice.org/75224
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
(cherry picked from commit 94e4695bcfcb9356d37942c47359b94531ef7b95)

3 files changed, 15 insertions, 1 deletions

diff --git a/ucb/source/ucp/webdav-neon/NeonLockStore.cxx b/ucb/source/ucp/webdav-neon/NeonLockStore.cxx
index 390d58c4e8cb..85b821b2bd87 100644
--- a/ucb/source/ucp/webdav-neon/NeonLockStore.cxx
+++ b/ucb/source/ucp/webdav-neon/NeonLockStore.cxx
@@ -153,7 +153,7 @@ void NeonLockStore::stopTicker(osl::ClearableMutexGuard & rGuard)
 
     rGuard.clear();
 
-    if (pTickerThread.is())
+    if (pTickerThread.is() && pTickerThread->getIdentifier() != osl::Thread::getCurrentIdentifier())
         pTickerThread->join(); // without m_aMutex locked (to prevent deadlock)
 }
 
@@ -198,6 +198,13 @@ void NeonLockStore::removeLock( NeonLock * pLock )
         stopTicker(aGuard);
 }
 
+void NeonLockStore::removeLockDeferred(NeonLock* pLock)
+{
+    osl::MutexGuard aGuard(m_aMutex);
+
+    m_aRemoveDeferred.push_back(pLock);
+}
+
 void NeonLockStore::refreshLocks()
 {
     osl::MutexGuard aGuard( m_aMutex );
@@ -233,6 +240,10 @@ void NeonLockStore::refreshLocks()
         }
         ++it;
     }
+    // removeLock will not need to actually release the lock, because this is run from TickerThread
+    for (auto pLock : m_aRemoveDeferred)
+        removeLock(pLock);
+    m_aRemoveDeferred.clear();
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ucb/source/ucp/webdav-neon/NeonLockStore.hxx b/ucb/source/ucp/webdav-neon/NeonLockStore.hxx
index 7a76a321ced6..fa64cb320374 100644
--- a/ucb/source/ucp/webdav-neon/NeonLockStore.hxx
+++ b/ucb/source/ucp/webdav-neon/NeonLockStore.hxx
@@ -66,6 +66,7 @@ class NeonLockStore
     ne_lock_store    * m_pNeonLockStore;
     rtl::Reference< TickerThread > m_pTickerThread;
     LockInfoMap        m_aLockInfoMap;
+    std::vector<NeonLock*> m_aRemoveDeferred;
 
 public:
     NeonLockStore();
@@ -82,6 +83,7 @@ public:
                   sal_Int32 nLastChanceToSendRefreshRequest );
 
     void removeLock( NeonLock * pLock );
+    void removeLockDeferred(NeonLock* pLock);
 
     void refreshLocks();
 
diff --git a/ucb/source/ucp/webdav-neon/NeonSession.cxx b/ucb/source/ucp/webdav-neon/NeonSession.cxx
index dfeba0acbabd..c1336c07a9c0 100644
--- a/ucb/source/ucp/webdav-neon/NeonSession.cxx
+++ b/ucb/source/ucp/webdav-neon/NeonSession.cxx
@@ -1631,6 +1631,7 @@ bool NeonSession::LOCK( NeonLock * pLock,
         {
             // tdf#126279: see handling of NE_AUTH in HandleError
             m_bNeedNewSession = true;
+            m_aNeonLockStore.removeLockDeferred(pLock);
         }
         return false;
     }