Add wx headers and ext

wxheaders/wx/private/threadinfo.h

@@ -0,0 +1,69 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/private/threadinfo.h
+// Purpose:     declaration of wxThreadSpecificInfo: thread-specific information
+// Author:      Vadim Zeitlin
+// Created:     2009-07-13
+// Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_THREADINFO_H_
+#define _WX_PRIVATE_THREADINFO_H_
+
+#include "wx/defs.h"
+
+class WXDLLIMPEXP_FWD_BASE wxLog;
+
+#if wxUSE_INTL
+#include "wx/hashset.h"
+WX_DECLARE_HASH_SET(wxString, wxStringHash, wxStringEqual,
+                    wxLocaleUntranslatedStrings);
+#endif
+
+
+// ----------------------------------------------------------------------------
+// wxThreadSpecificInfo: contains all thread-specific information used by wx
+// ----------------------------------------------------------------------------
+
+// Group all thread-specific information we use (e.g. the active wxLog target)
+// a in this class to avoid consuming more TLS slots than necessary as there is
+// only a limited number of them.
+class wxThreadSpecificInfo
+{
+public:
+    // Return this thread's instance.
+    static wxThreadSpecificInfo& Get();
+
+    // the thread-specific logger or NULL if the thread is using the global one
+    // (this is not used for the main thread which always uses the global
+    // logger)
+    wxLog *logger;
+
+    // true if logging is currently disabled for this thread (this is also not
+    // used for the main thread which uses wxLog::ms_doLog)
+    //
+    // NB: we use a counter-intuitive "disabled" flag instead of "enabled" one
+    //     because the default, for 0-initialized struct, should be to enable
+    //     logging
+    bool loggingDisabled;
+
+#if wxUSE_INTL
+    // Storage for wxTranslations::GetUntranslatedString()
+    wxLocaleUntranslatedStrings untranslatedStrings;
+#endif
+
+#if wxUSE_THREADS
+    // Cleans up storage for the current thread. Should be called when a thread
+    // is being destroyed. If it's not called, the only bad thing that happens
+    // is that the memory is deallocated later, on process termination.
+    static void ThreadCleanUp();
+#endif
+
+private:
+    wxThreadSpecificInfo() : logger(NULL), loggingDisabled(false) {}
+};
+
+#define wxThreadInfo wxThreadSpecificInfo::Get()
+
+#endif // _WX_PRIVATE_THREADINFO_H_
+