various bug fixes

include/fc/json_rpc_client.hpp

@@ -65,7 +65,7 @@ namespace fc { namespace json {
         this->_vtable.reset(new fc::detail::vtable<InterfaceType,fc::detail::actor_member>() );
         this->_vtable->template visit_other<InterfaceType>( fc::json::detail::vtable_visitor(_con) );
       }
-      const rpc_connection& connection()const { return _con; }
+      const rpc_connection::ptr& connection()const { return _con; }
 
     private:
       rpc_connection::ptr  _con; 

include/fc/signal.hpp

@@ -16,19 +16,45 @@ namespace fc {
          _handlers.push_back( c );
          return reinterpret_cast<connection_id_type>(c);
       }
-
+#ifdef WIN32
+      template<typename Arg>
+      void emit( Arg&& arg ) {
+        for( size_t i = 0; i < _handlers.size(); ++i ) {
+          (*_handlers[i])( fc::forward<Arg>(arg) );
+        }
+      }
+      template<typename Arg>
+      void operator()( Arg&& arg ) {
+        for( size_t i = 0; i < _handlers.size(); ++i ) {
+          (*_handlers[i])( fc::forward<Arg>(arg) );
+        }
+      }
+      template<typename Arg,typename Arg2>
+      void emit( Arg&& arg, Arg2&& arg2 ) {
+        for( size_t i = 0; i < _handlers.size(); ++i ) {
+          (*_handlers[i])( fc::forward<Arg>(arg), fc::forward<Arg2>(arg2) );
+        }
+      }
+      template<typename Arg, typename Arg2>
+      void operator()( Arg&& arg, Arg2&& arg2 ) {
+        for( size_t i = 0; i < _handlers.size(); ++i ) {
+          (*_handlers[i])( fc::forward<Arg>(arg), fc::forward<Arg2>(arg2) );
+        }
+      }
+#else
       template<typename... Args>
       void emit( Args&&... args ) {
         for( size_t i = 0; i < _handlers.size(); ++i ) {
-          (*_handlers[i])( args... );
+          (*_handlers[i])( fc::forward<Args>(args)... );
         }
       }
       template<typename... Args>
       void operator()( Args&&... args ) {
         for( size_t i = 0; i < _handlers.size(); ++i ) {
-          (*_handlers[i])( args... );
+          (*_handlers[i])( fc::forward<Args>(args)... );
         }
       }
+#endif
 
       void disconnect( connection_id_type cid ) {
         auto itr = _handlers.begin();

include/fc/ssh/client.hpp

@@ -103,6 +103,13 @@ namespace fc {
        */
       void mkdir( const fc::path& remote_dir, int mode = owner_read|owner_write|owner_exec );
 
+      /**
+       *  Create all parent directories for remote_dir if they do not exist.
+       *
+       *  @post remote_dir exists.
+       */
+      void create_directories( const fc::path& remote_dir, int mode = owner_read|owner_write|owner_exec );
+
       void close();
 
       client();

include/fc/ssh/process.hpp

@@ -48,6 +48,8 @@ namespace fc {
        *  @brief returns a stream that reads from the process' stderr
        */
       fc::istream& err_stream()const;
+
+      process& operator=( const process& p );
     private:
       friend class client;
       process( client& c, const fc::string& cmd, const fc::string& pty_type = fc::string() );