Add flag to IPlugin::aboutToShutdown that allows asynchronous shutdown.

If a plugin requests asyncronous shutdown, the shutdown sequence does
not continue to deleting the plugins before it has sent a
asynchronousShutdownFinished signal. During that time an event loop
is running.

2 files changed, 3 insertions, 2 deletions

diff --git a/src/plugins/cpaster/cpasterplugin.cpp b/src/plugins/cpaster/cpasterplugin.cpp
index 626f1f1b3a6..0756b1b77dc 100644
--- a/src/plugins/cpaster/cpasterplugin.cpp
+++ b/src/plugins/cpaster/cpasterplugin.cpp
@@ -144,7 +144,7 @@ void CodepasterPlugin::extensionsInitialized()
 {
 }
 
-void CodepasterPlugin::aboutToShutdown()
+ExtensionSystem::IPlugin::ShutdownFlag CodepasterPlugin::aboutToShutdown()
 {
     // Delete temporary, fetched files
     foreach(const QString &fetchedSnippet, m_fetchedSnippets) {
@@ -152,6 +152,7 @@ void CodepasterPlugin::aboutToShutdown()
         if (file.exists())
             file.remove();
     }
+    return SynchronousShutdown;
 }
 
 void CodepasterPlugin::postEditor()
diff --git a/src/plugins/cpaster/cpasterplugin.h b/src/plugins/cpaster/cpasterplugin.h
index b75158b0c9a..6dcc8a902b6 100644
--- a/src/plugins/cpaster/cpasterplugin.h
+++ b/src/plugins/cpaster/cpasterplugin.h
@@ -55,7 +55,7 @@ public:
 
     virtual bool initialize(const QStringList &arguments, QString *error_message);
     virtual void extensionsInitialized();
-    virtual void aboutToShutdown();
+    virtual ShutdownFlag aboutToShutdown();
 
 public slots:
     void postEditor();