🚀 go-pugleaf

> I don't think there is anything wrong with the above declaration, I included
> this to reduce the number of questions in this area.
> I think the problem is in how I've declared my queue but I'm having a brain
> freeze and can't think straight to work out my problem as seen below.
> 
> 
> ....LoggingServiceSource.h...
> //--------------------------------------------------------------------------
> -
> #ifndef LoggingServiceSourceH
> #define LoggingServiceSourceH
> //--------------------------------------------------------------------------
> -
> #include <SysUtils.hpp>
> #include <Classes.hpp>
> #include <SvcMgr.hpp>
> #include <vcl.h>
> #include "thdLoggingSource.h"
> #include <OleServer.hpp>
> #include <queue>
> using namespace std;
> //--------------------------------------------------------------------------
> -
> TLogQueue<LogStruct> LogQueue;            //declaring my queue
> //--------------------------------------------------------------------------
> -
> class TLoggingService : public TService
> {
> __published:    // IDE-managed Components
>   TatSystemStatus *atSystemStatus;
>   TatPagingSubscription *atPagingSubscription;
>   void __fastcall atSystemStatusSystemStatus(TObject *Sender,
>           atSystemStatusType StatusType, BSTR Origin,
>           atSystemStatusLevel Level, BSTR Description);
>   void __fastcall atPagingSubscriptionPaging(TObject *Sender,
>           BSTR CallNumber, BSTR DisplayMessage, long Priority,
>           PagingInfoStruct *AdditionalInfo);
> private:        // User declarations
>   TLoggingThread *LoggingThread;
>   String ConnectionStatus;
> 
>   void __fastcall UpdateServiceDescription(TService *Sender);
>   void __fastcall CreateWorkerThread();
>   void __fastcall CheckSystemStatus();
> public:         // User declarations
>  __fastcall TLoggingService(TComponent* Owner);
>  TServiceController __fastcall GetServiceController(void);
> 
>  friend void __stdcall ServiceController(unsigned CtrlCode);
> };
> //--------------------------------------------------------------------------
> -
> extern PACKAGE TLoggingService *LoggingService;
> //--------------------------------------------------------------------------
> -
> #endif
> 
You declared the queue in the header which causes each cpp which 
includes this header to get its own copy. Change the declaration to

extern TLogQueue<LogStruct> LogQueue;

and put

TLogQueue<LogStruct> LogQueue;

in one cpp.

Eelke