make sure to stop (and wait) for script resolvers before deleting

src/scriptresolver.cpp

@@ -12,6 +12,7 @@ ScriptResolver::ScriptResolver(const QString& exe) :
     , m_num_restarts( 0 )
     , m_msgsize( 0 )
     , m_ready( false )
+    , m_stopped( false )
 {
     qDebug() << Q_FUNC_INFO << exe;
     connect( &m_proc, SIGNAL(readyReadStandardError()), SLOT(readStderr()) );
@@ -116,6 +117,14 @@ void ScriptResolver::cmdExited(int code, QProcess::ExitStatus status)
     qDebug() << Q_FUNC_INFO << "SCRIPT EXITED, code" << code << "status" << status << m_cmd;
     Tomahawk::Pipeline::instance()->removeResolver( this );
 
+    if( m_stopped ) 
+    {
+        qDebug() << "*** Script resolver stopped ";
+        emit finished();
+        
+        return;
+    }
+    
     if( m_num_restarts < 10 )
     {
         m_num_restarts++;
@@ -154,3 +163,11 @@ void ScriptResolver::doSetup( const QVariantMap& m )
     m_ready = true;
     Tomahawk::Pipeline::instance()->addResolver( this );
 }
+
+void 
+ScriptResolver::stop()
+{
+    m_stopped = true;
+    m_proc.kill();
+}
+

src/scriptresolver.h

@@ -25,8 +25,11 @@ public:
 
     virtual void resolve( const Tomahawk::query_ptr& query );
 
+    void stop();
+    
     QString exe() const { return m_cmd; }
 signals:
+    void finished();
     
 public slots:
 
@@ -47,7 +50,7 @@ private:
     quint32 m_msgsize;
     QByteArray m_msg;
 
-    bool m_ready;
+    bool m_ready, m_stopped;
 
     QJson::Parser m_parser;
     QJson::Serializer m_serializer;

src/tomahawkapp.cpp

@@ -407,8 +407,8 @@ TomahawkApp::removeScriptResolver( const QString& path )
     foreach( ScriptResolver* r, m_scriptResolvers ) {
         if( r->exe() == path ) {
             m_scriptResolvers.removeAll( r );
-
+            connect( r, SIGNAL( finished() ), r, SLOT( deleteLater() ) );
-            delete r;
+            r->stop();
             return;
         }
     }