include/wx/private/threadinfo.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/private/threadinfo.h
   3 // Purpose:     declaration of wxThreadSpecificInfo: thread-specific information
   4 // Author:      Vadim Zeitlin
   5 // Created:     2009-07-13
   6 // Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_PRIVATE_THREADINFO_H_
  11 #define _WX_PRIVATE_THREADINFO_H_
  12
  13 #include "wx/defs.h"
  14
  15 class WXDLLIMPEXP_FWD_BASE wxLog;
  16
  17 // ----------------------------------------------------------------------------
  18 // wxThreadSpecificInfo: contains all thread-specific information used by wx
  19 // ----------------------------------------------------------------------------
  20
  21 // Group all thread-specific information we use (e.g. the active wxLog target)
  22 // a in this class to avoid consuming more TLS slots than necessary as there is
  23 // only a limited number of them.
  24 class wxThreadSpecificInfo
  25 {
  26 public:
  27     // Return this thread's instance.
  28     static wxThreadSpecificInfo& Get();
  29
  30     // the thread-specific logger or NULL if the thread is using the global one
  31     // (this is not used for the main thread which always uses the global
  32     // logger)
  33     wxLog *logger;
  34
  35     // true if logging is currently disabled for this thread (this is also not
  36     // used for the main thread which uses wxLog::ms_doLog)
  37     //
  38     // NB: we use a counter-intuitive "disabled" flag instead of "enabled" one
  39     //     because the default, for 0-initialized struct, should be to enable
  40     //     logging
  41     bool loggingDisabled;
  42
  43 private:
  44     wxThreadSpecificInfo() : logger(NULL), loggingDisabled(false) {}
  45 };
  46
  47 #define wxThreadInfo wxThreadSpecificInfo::Get()
  48
  49 #endif // _WX_PRIVATE_THREADINFO_H_
  50