TAO/orbsvcs/ImplRepo_Service/Locator_NT_Service.h

   1 /* -*- C++ -*- */
   2 //=============================================================================
   3 /**
   4  *  @file   Locator_NT_Service.h
   5  *
   6  *  @author Darrell Brunsch <brunsch@cs.wustl.edu>
   7  *  @author Jeff Parsons <parsons@cs.wustl.edu>
   8  *  @author John Tucker <jtucker@infoglide.com>
   9  *  @author Mike Vitalo <mvitalo@infoglide.com>
  10  */
  11 //=============================================================================
  12
  13 #ifndef Locator_NT_Service_H
  14 #define Locator_NT_Service_H
  15
  16 #include "ace/config-all.h"
  17
  18 #if defined (ACE_WIN32) && !defined (ACE_LACKS_WIN32_SERVICES)
  19
  20 #include "ace/NT_Service.h"
  21 #include "ace/Singleton.h"
  22 #include "ace/Synch.h"
  23 #include "tao/orbconf.h"
  24
  25 extern const ACE_TCHAR* IMR_LOCATOR_SERVICE_NAME;
  26 extern const ACE_TCHAR* IMR_LOCATOR_DISPLAY_NAME;
  27 extern const ACE_TCHAR* IMR_LOCATOR_DESCRIPTION;
  28
  29 /**
  30  * @class Locator_NT_Service
  31  *
  32  * @brief Allows the Implementation Repository to act as a Windows NT Service.
  33  */
  34 class Locator_NT_Service : public ACE_NT_Service
  35 {
  36 public:
  37   typedef TAO_SYNCH_RECURSIVE_MUTEX MUTEX;
  38
  39   /// We override <handle_control> because it handles stop requests
  40   /// privately.
  41   virtual void handle_control (DWORD control_code);
  42
  43   /// We override <handle_exception> so a 'stop' control code can wake
  44   /// the reactor off of its wait.
  45   virtual int handle_exception (ACE_HANDLE h);
  46
  47   /// This is a virtual method inherited from ACE_NT_Service.
  48   virtual int svc (void);
  49
  50 private:
  51   friend class ACE_Singleton<Locator_NT_Service, MUTEX>;
  52 };
  53
  54 typedef ACE_Singleton<Locator_NT_Service, ACE_Mutex> SERVICE;
  55
  56 #endif /* ACE_WIN32 && !ACE_LACKS_WIN32_SERVICES */
  57
  58 #endif /* Locator_NT_Service_H */