00001 // -*- C++ -*- 00002 00003 //============================================================================= 00004 /** 00005 * @file LF_Event_Loop_Thread_Helper.h 00006 * 00007 * LF_Event_Loop_Thread_Helper.h,v 1.6 2005/11/02 07:13:03 ossama Exp 00008 * 00009 * @author Carlos O'Ryan <coryan@uci.edu> 00010 */ 00011 //============================================================================= 00012 00013 #ifndef TAO_LF_EVENT_LOOP_THREAD_HELPER_H 00014 #define TAO_LF_EVENT_LOOP_THREAD_HELPER_H 00015 00016 #include /**/ "ace/pre.h" 00017 00018 #include "tao/LF_Strategy.h" 00019 00020 #if !defined (ACE_LACKS_PRAGMA_ONCE) 00021 # pragma once 00022 #endif /* ACE_LACKS_PRAGMA_ONCE */ 00023 00024 TAO_BEGIN_VERSIONED_NAMESPACE_DECL 00025 00026 /** 00027 * @brief Helper class to enter and exit the Leader/Followers event 00028 * loop. 00029 * 00030 * Uses the Guard idiom to enter and exit the Leader/Followers event 00031 * loop. 00032 */ 00033 class TAO_Export TAO_LF_Event_Loop_Thread_Helper 00034 { 00035 public: 00036 /// Constructor 00037 TAO_LF_Event_Loop_Thread_Helper (TAO_Leader_Follower &leader_follower, 00038 TAO_LF_Strategy &lf_strategy, 00039 ACE_Time_Value *max_wait_time); 00040 00041 /// Destructor 00042 ~TAO_LF_Event_Loop_Thread_Helper (void); 00043 00044 /// Calls <set_event_loop_thread> on the leader/followers object. 00045 int event_loop_return (void) const; 00046 00047 private: 00048 /// Reference to leader/followers object. 00049 TAO_Leader_Follower &leader_follower_; 00050 00051 /// The Leader/Follower Strategy used by this ORB. 00052 TAO_LF_Strategy &lf_strategy_; 00053 00054 /// Remembers the status returned while trying to enter the event 00055 /// loop. 00056 int event_loop_return_; 00057 }; 00058 00059 TAO_END_VERSIONED_NAMESPACE_DECL 00060 00061 #if defined (__ACE_INLINE__) 00062 # include "tao/LF_Event_Loop_Thread_Helper.inl" 00063 #endif /* __ACE_INLINE__ */ 00064 00065 #include /**/ "ace/post.h" 00066 00067 #endif /* TAO_LF_EVENT_LOOP_THREAD_HELPER_H */
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