* Thread updates and cleanup (m_locked, MUTEX_UNLOCKED added)

* Updated the documentation


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@94 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/thread.cpp

@@ -61,6 +61,8 @@ wxMutex::wxMutex()
 
 wxMutex::~wxMutex()
 {
+  if (m_locked > 0)
+    wxDebugMsg("wxMutex warning: freeing a locked mutex (%d locks)\n", m_locked);
   CloseHandle(p_internal->p_mutex);
 }