added wxSocket::ShutdownOutput() (closes #9229)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57656 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -323,9 +323,7 @@ All:
 - Added wxString::Capitalize() and MakeCapitalized().
 - Added wxArray::swap().
 - Added wxSHUTDOWN_LOGOFF and wxSHUTDOWN_FORCE wxShutdown() flags (troelsk).
-- Added wxArtProvider::GetNativeSizeHint(); GetSizeHint() as well as
+- Added wxSocket::ShutdownOutput().
-  GetNativeSizeHint() now return more sensible values in wxMSW and wxMac and
-  no longer return bogus values.
 
 All (Unix):
 
@@ -431,6 +429,9 @@ All (GUI):
 - Add wxEVT_GRID_CELL_CHANGING event matching wxEVT_GRID_CELL_CHANGED.
 - Get/HasModifiers() of wxKeyEvent are now also available in wxMouseEvent.
 - Provide new/old cell value in wxEVT_GRID_CELL_CHANGING/CHANGED events.
+- Added wxArtProvider::GetNativeSizeHint(); GetSizeHint() as well as
+  GetNativeSizeHint() now return more sensible values in wxMSW and wxMac and
+  no longer return bogus values.
 
 wxGTK:
 

include/wx/socket.h

@@ -132,6 +132,7 @@ public:
 
   // base IO
   virtual bool  Close();
+  void ShutdownOutput();
   wxSocketBase& Discard();
   wxSocketBase& Peek(void* buffer, wxUint32 nbytes);
   wxSocketBase& Read(void* buffer, wxUint32 nbytes);

interface/wx/socket.h

@@ -819,6 +819,15 @@ public:
     */
     void Close();
 
+    /**
+        Shuts down the writing end of the socket.
+
+        This function simply calls the standard shutdown() function on the
+        underlying socket, indicating that nothing will be written to this
+        socket any more.
+     */
+    void ShutdownOutput();
+
     /**
         This function simply deletes all bytes in the incoming queue. This function
         always returns immediately and its operation is not affected by IO flags.

src/common/socket.cpp

@@ -770,14 +770,19 @@ bool wxSocketBase::Close()
     // Interrupt pending waits
     InterruptWait();
 
-    if (m_impl)
+    ShutdownOutput();
-        m_impl->Shutdown();
 
     m_connected = false;
     m_establishing = false;
     return true;
 }
 
+void wxSocketBase::ShutdownOutput()
+{
+    if ( m_impl )
+        m_impl->Shutdown();
+}
+
 wxSocketBase& wxSocketBase::Read(void* buffer, wxUint32 nbytes)
 {
     // Mask read events