minor beautifications

src/config.hpp

@@ -74,11 +74,13 @@ namespace zmq
 
         //  Maximal delay to process command in API thread (in CPU ticks).
         //  3,000,000 ticks equals to 1 - 2 milliseconds on current CPUs.
+        //  Note that delay is only applied when there is continuous stream of
+        //  messages to process. If not so, commands are processed immediately.
         max_command_delay = 3000000,
 
         //  Low-precision clock precision in CPU ticks. 1ms. Value of 1000000
         //  should be OK for CPU frequencies above 1GHz. If should work
-        //  reasonably well fro CPU frequencies above 500MHz. For lower CPU
+        //  reasonably well for CPU frequencies above 500MHz. For lower CPU
         //  frequencies you may consider lowering this value to get best
         //  possible latencies.
         clock_precision = 1000000,

src/connect_session.hpp

@@ -53,6 +53,9 @@ namespace zmq
         //  Address to connect to.
         std::string protocol;
         std::string address;
+
+        connect_session_t (const connect_session_t&);
+        void operator = (const connect_session_t&);
     };
 
 }

src/named_session.hpp

@@ -49,6 +49,9 @@ namespace zmq
 
         //  Name of the session. Corresponds to the peer's strong identity.
         blob_t name;
+
+        named_session_t (const named_session_t&);
+        void operator = (const named_session_t&);
     };
 
 }

src/transient_session.hpp

@@ -40,6 +40,9 @@ namespace zmq
 
         //  Hook into session's disconnection mechanism.
         void detached ();
+
+        transient_session_t (const transient_session_t&);
+        void operator = (const transient_session_t&);
     };
 
 }