1 files changed, 71 insertions, 0 deletions
diff --git a/libre/kdelibs-libre/fix-kmail-crash.patch b/libre/kdelibs-libre/fix-kmail-crash.patch
new file mode 100644
index 000000000..27caa25f0
--- /dev/null
+++ b/libre/kdelibs-libre/fix-kmail-crash.patch
@@ -0,0 +1,71 @@
+commit 979b0436510e7807c054e79c40c3753834ac2863
+Author: Sebastian Trueg <trueg@kde.org>
+Date:   Thu Mar 15 09:14:35 2012 +0100
+
+    Thread-safe ResourceWatcher handling.
+    
+    We simply perform all RW operations in the manager thread.
+    
+    BUG: 295474
+    FIXED-IN: 4.8.2
+
+diff --git a/nepomuk/core/resourcedata.cpp b/nepomuk/core/resourcedata.cpp
+index abe55ea..9d45228 100644
+--- a/nepomuk/core/resourcedata.cpp
++++ b/nepomuk/core/resourcedata.cpp
+@@ -175,7 +175,8 @@ void Nepomuk::ResourceData::resetAll( bool isDelete )
+     if( !m_uri.isEmpty() ) {
+         m_rm->m_initializedData.remove( m_uri );
+         if( m_rm->m_watcher && m_addedToWatcher ) {
+-            m_rm->m_watcher->removeResource(Resource::fromResourceUri(m_uri));
++            // See load() for an explanation of the QMetaObject call
++            QMetaObject::invokeMethod(m_rm->m_watcher, "removeResource", Qt::AutoConnection, Q_ARG(Nepomuk::Resource, Resource::fromResourceUri(m_uri)));
+             m_addedToWatcher = false;
+         }
+     }
+@@ -393,16 +394,23 @@ bool Nepomuk::ResourceData::load()
+         m_cache.clear();
+ 
+         if(!m_rm->m_watcher) {
++            //
++            // The ResourceWatcher is not thread-safe. Thus, we need to ensure the safety ourselves.
++            // We do that by simply handling all RW related operations in the manager thread.
++            // This also means to invoke methods on the watcher through QMetaObject to make sure they
++            // get queued in case of calls between different threads.
++            //
+             m_rm->m_watcher = new ResourceWatcher(m_rm->m_manager);
++            m_rm->m_watcher->moveToThread(m_rm->m_manager->thread());
+             QObject::connect( m_rm->m_watcher, SIGNAL(propertyAdded(Nepomuk::Resource, Nepomuk::Types::Property, QVariant)),
+                               m_rm->m_manager, SLOT(slotPropertyAdded(Nepomuk::Resource, Nepomuk::Types::Property, QVariant)) );
+             QObject::connect( m_rm->m_watcher, SIGNAL(propertyRemoved(Nepomuk::Resource, Nepomuk::Types::Property, QVariant)),
+                               m_rm->m_manager, SLOT(slotPropertyRemoved(Nepomuk::Resource, Nepomuk::Types::Property, QVariant)) );
+             m_rm->m_watcher->addResource( Nepomuk::Resource::fromResourceUri(m_uri) );
+-            m_rm->m_watcher->start();
++            QMetaObject::invokeMethod(m_rm->m_watcher, "start", Qt::AutoConnection);
+         }
+         else {
+-            m_rm->m_watcher->addResource( Nepomuk::Resource::fromResourceUri(m_uri) );
++            QMetaObject::invokeMethod(m_rm->m_watcher, "addResource", Qt::AutoConnection, Q_ARG(Nepomuk::Resource, Nepomuk::Resource::fromResourceUri(m_uri)) );
+         }
+         m_addedToWatcher = true;
+ 
+diff --git a/nepomuk/core/resourcewatcher.h b/nepomuk/core/resourcewatcher.h
+index 06b9622..92b12f5 100644
+--- a/nepomuk/core/resourcewatcher.h
++++ b/nepomuk/core/resourcewatcher.h
+@@ -93,6 +93,7 @@ namespace Nepomuk {
+          */
+         virtual ~ResourceWatcher();
+ 
++    public Q_SLOTS:
+         /**
+          * \brief Add a type to be watched.
+          *
+@@ -204,7 +205,6 @@ namespace Nepomuk {
+          */
+         QList<Types::Property> properties() const;
+ 
+-    public Q_SLOTS:
+         /**
+          * \brief Start the signalling of changes.
+          *