[363] | 1 | /*
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| 2 | * TOPPERS/JSP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Just Standard Profile Kernel
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| 5 | *
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| 6 | * Copyright (C) 2003 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | *
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| 9 | * ä¸è¨èä½æ¨©è
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| 10 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 11 | * ã«ãã£ã¦å
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| 12 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 13 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 14 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 15 | å¸ï¼ä»¥ä¸ï¼
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| 16 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 17 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 18 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 19 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 20 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 21 | * ç¨ã§ããå½¢ã§åé
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| 22 | å¸ããå ´åã«ã¯ï¼åé
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| 23 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 24 | * è
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| 25 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 26 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 27 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 28 | * ç¨ã§ããªãå½¢ã§åé
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| 29 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 30 | * ã¨ï¼
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| 31 | * (a) åé
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| 32 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 33 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 34 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 35 | * (b) åé
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| 36 | å¸ã®å½¢æ
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| 37 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 38 | * å ±åãããã¨ï¼
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| 39 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 40 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 41 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 42 | 責ãããã¨ï¼
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| 43 | *
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| 44 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 45 | ã
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| 46 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 47 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 48 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 49 | *
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| 50 | * @(#) $Id: event.h,v 1.9 2004/09/06 15:00:49 honda Exp $
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| 51 | */
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| 52 |
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| 53 | // $Header: /home/CVS/configurator/base/event.h,v 1.9 2004/09/06 15:00:49 honda Exp $
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| 54 |
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| 55 | #ifndef EVENT_H
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| 56 | #define EVENT_H
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| 57 |
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| 58 | #include "base/testsuite.h"
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| 59 | #include "base/singleton.h"
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| 60 |
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| 61 | #include <list>
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| 62 |
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| 63 | //ã¤ãã³ãããã¯ã®åãã¾ã¨ãå½¹
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| 64 | template<typename T>
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| 65 | class Event
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| 66 | {
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| 67 | public:
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| 68 | typedef void (*handler_type)(T &);
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| 69 |
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| 70 | class handler_list_type : public std::list<handler_type>
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| 71 | { public: SINGLETON_CONSTRUCTOR(handler_list_type) throw() {} };
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| 72 |
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| 73 | /*
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| 74 | * ã¯ã©ã¹ã®ä¸ã®ãã³ãã©ç¨
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| 75 | */
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| 76 |
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| 77 | class Handler
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| 78 | {
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| 79 | friend class Event;
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| 80 | public:
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| 81 | class instance_list_type : public std::list<Handler *>
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| 82 | { public: SINGLETON_CONSTRUCTOR(instance_list_type) throw() {} };
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| 83 |
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| 84 | virtual void handler(T & ev) = 0;
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| 85 |
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| 86 | protected:
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| 87 | //ç»é²
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| 88 | Handler(void) throw()
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| 89 | { Singleton<instance_list_type>::getInstance()->push_back(this); }
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| 90 |
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| 91 | //ç»é²è§£é¤
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| 92 | virtual ~Handler(void) throw()
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| 93 | {
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| 94 | typename Event<T>::Handler::instance_list_type * list = Singleton<instance_list_type>::getInstance(std::nothrow);
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| 95 | typename Event<T>::Handler::instance_list_type::iterator scope;
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| 96 |
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| 97 | if(list != 0) {
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| 98 | scope = list->begin();
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| 99 | while(scope != list->end()) {
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| 100 | if(*scope == this) {
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| 101 | typename Event<T>::Handler::instance_list_type::iterator target = scope;
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| 102 | ++ scope;
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| 103 | list->erase(target);
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| 104 | }
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| 105 | else
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| 106 | ++ scope;
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| 107 | }
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| 108 | }
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| 109 | }
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| 110 | };
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| 111 |
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| 112 | public:
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| 113 | typedef T value_type;
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| 114 |
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| 115 | Event(void) {}
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| 116 | virtual ~Event(void) {}
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| 117 |
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| 118 | /*
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| 119 | * ã¹ã¿ãã£ãã¯ãªãã³ãã©ç¨
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| 120 | */
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| 121 |
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| 122 | //ã¤ãã³ãã«ãã³ãã©ã追å
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| 123 | inline static void add(handler_type func) throw(std::bad_alloc)
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| 124 | { Singleton<handler_list_type>::getInstance()->push_back(func); }
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| 125 |
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| 126 | //ã¤ãã³ããããã³ãã©ãåé¤
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| 127 | static void remove(handler_type func) throw()
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| 128 | {
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| 129 | typename Event<T>::handler_list_type * list;
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| 130 | typename Event<T>::handler_list_type::iterator scope;
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| 131 |
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| 132 | list = Singleton<handler_list_type>::getInstance(std::nothrow);
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| 133 | if(list != 0) {
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| 134 | scope = list->begin();
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| 135 | while(scope != list->end()) {
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| 136 | if(*scope == func) {
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| 137 | typename handler_list_type::iterator target = scope;
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| 138 | ++ scope;
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| 139 | list->erase(target);
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| 140 | }
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| 141 | else
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| 142 | ++ scope;
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| 143 | }
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| 144 | }
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| 145 | }
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| 146 |
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| 147 | /*
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| 148 | * å
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| 149 | ±éæä½
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| 150 | */
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| 151 | //ã¤ãã³ãã®çºç
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| 152 | static void raise(T & ev)
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| 153 | {
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| 154 | typedef typename Event<T>::handler_list_type handler_list_type_t;
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| 155 | typedef typename Event<T>::Handler::instance_list_type instance_list_type_t;
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| 156 |
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| 157 | /* ç»é²ãããéçãªé¢æ°ã«ã¤ãã³ããçºè¡ */ {
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| 158 | handler_list_type_t * list;
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| 159 | typename handler_list_type_t::iterator scope;
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| 160 |
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| 161 | list = Singleton<handler_list_type_t>::getInstance(); //throw(bad_cast)
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| 162 |
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| 163 | scope = list->begin();
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| 164 | while(scope != list->end()) {
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| 165 | (**scope)(ev);
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| 166 | ++ scope;
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| 167 | }
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| 168 | }
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| 169 |
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| 170 | /* ç»é²ãããã¯ã©ã¹ã¤ã³ã¹ã¿ã³ã¹ã«ã¤ãã³ããçºè¡ */ {
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| 171 | instance_list_type_t * list;
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| 172 | typename instance_list_type_t::iterator scope;
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| 173 |
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| 174 | list = Singleton<instance_list_type_t>::getInstance(); //throw(bad_cast)
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| 175 |
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| 176 | scope = list->begin();
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| 177 | while(scope != list->end()) {
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| 178 | (*scope)->handler(ev);
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| 179 | ++ scope;
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| 180 | }
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| 181 | }
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| 182 | }
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| 183 |
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| 184 | //ã¤ãã³ãã®çºç (å¼æ°ãªã)
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| 185 | inline static void raise(void)
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| 186 | {
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| 187 | T ev;
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| 188 | raise(ev);
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| 189 | }
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| 190 | };
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| 191 |
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| 192 |
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| 193 | /*
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| 194 | * æ±ç¨ã¤ãã³ã
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| 195 | */
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| 196 |
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| 197 | //ã³ã³ã¹ãã©ã¯ã¿ãèµ·åãçµãã£ããã¨ãçã£å
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| 198 | ã«èµ·ãã¤ãã³ã
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| 199 | class StartupEvent {};
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| 200 |
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| 201 |
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| 202 | //æå失æãåãããããã°ã©ã ãçµããã¨ãã«èµ·ãã¤ãã³ã
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| 203 | struct ShutdownEvent
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| 204 | {
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| 205 | int exit_code;
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| 206 | };
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| 207 |
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| 208 | #endif
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| 209 |
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| 210 |
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| 211 |
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