codec: less force-ful shutdown

eliminate unused 'force' argument.

src/remote/codec.cpp

@@ -1040,14 +1040,14 @@ void BlockingTCPTransportCodec::close() {
         // wakeup processSendQueue
 
         // clean resources (close socket)
-        internalClose(true);
+        internalClose();
 
         // Break sender from queue wait
         BreakTransport::shared_pointer B(new BreakTransport);
         enqueueSendRequest(B);
 
         // post close
-        internalPostClose(true);
+        internalPostClose();
     }
 }
 
@@ -1058,7 +1058,7 @@ void BlockingTCPTransportCodec::waitJoin()
     _readThread.exitWait();
 }
 
-void BlockingTCPTransportCodec::internalClose(bool /*force*/)
+void BlockingTCPTransportCodec::internalClose()
 {
     {
 
@@ -1585,9 +1585,9 @@ void BlockingServerTCPTransportCodec::destroyAllChannels() {
         it->second->destroy();
 }
 
-void BlockingServerTCPTransportCodec::internalClose(bool force) {
+void BlockingServerTCPTransportCodec::internalClose() {
     Transport::shared_pointer thisSharedPtr = shared_from_this();
-    BlockingTCPTransportCodec::internalClose(force);
+    BlockingTCPTransportCodec::internalClose();
     destroyAllChannels();
 }
 
@@ -1771,15 +1771,15 @@ bool BlockingClientTCPTransportCodec::acquire(ClientChannelImpl::shared_pointer
 }
 
 // _mutex is held when this method is called
-void BlockingClientTCPTransportCodec::internalClose(bool forced) {
-    BlockingTCPTransportCodec::internalClose(forced);
+void BlockingClientTCPTransportCodec::internalClose() {
+    BlockingTCPTransportCodec::internalClose();
 
     TimerCallbackPtr tcb = std::tr1::dynamic_pointer_cast<TimerCallback>(shared_from_this());
     _context->getTimer()->cancel(tcb);
 }
 
-void BlockingClientTCPTransportCodec::internalPostClose(bool forced) {
-    BlockingTCPTransportCodec::internalPostClose(forced);
+void BlockingClientTCPTransportCodec::internalPostClose() {
+    BlockingTCPTransportCodec::internalPostClose();
 
     // _owners cannot change when transport is closed
     closedNotifyClients();

src/remote/pv/codec.h

@@ -449,18 +449,14 @@ protected:
     virtual void sendBufferFull(int tries) OVERRIDE FINAL;
 
     /**
-     * Called to any resources just before closing transport
-     * @param[in] force   flag indicating if forced (e.g. forced
-     * disconnect) is required
+     * Called from close(). prior to signaling worker shutdown.
      */
-    virtual void internalClose(bool force);
+    virtual void internalClose();
 
     /**
-     * Called to any resources just after closing transport and without any locks held on transport
-     * @param[in] force   flag indicating if forced (e.g. forced
-     * disconnect) is required
+     * Called from close(). after signaling worker shutdown.
      */
-    virtual void internalPostClose(bool force) {}
+    virtual void internalPostClose() {}
 
 private:
     AtomicValue<bool> _isOpen;
@@ -586,7 +582,7 @@ public:
 protected:
 
     void destroyAllChannels();
-    virtual void internalClose(bool force) OVERRIDE FINAL;
+    virtual void internalClose() OVERRIDE FINAL;
 
 private:
 
@@ -686,8 +682,8 @@ public:
 
 protected:
 
-    virtual void internalClose(bool force) OVERRIDE FINAL;
-    virtual void internalPostClose(bool force) OVERRIDE FINAL;
+    virtual void internalClose() OVERRIDE FINAL;
+    virtual void internalPostClose() OVERRIDE FINAL;
 
 private: