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Comparing rxvt-unicode/src/iom.h (file contents):
Revision 1.10 by pcg, Mon Feb 9 07:11:49 2004 UTC vs.
Revision 1.15 by root, Thu Sep 2 07:44:40 2004 UTC

… …
38# define IOM_CHECK 0 38# define IOM_CHECK 0
39#endif 39#endif
40#ifndef IOM_IDLE 40#ifndef IOM_IDLE
41# define IOM_IDLE 0 41# define IOM_IDLE 0
42#endif 42#endif
43#ifndef IOM_SIG
44# define IOM_SIG 0
45#endif
43 46
44typedef double tstamp; 47typedef double tstamp;
45extern tstamp NOW; 48extern tstamp NOW;
46 49
47struct watcher; 50struct watcher;
… …
55struct check_watcher; 58struct check_watcher;
56#endif 59#endif
57#if IOM_IDLE 60#if IOM_IDLE
58struct idle_watcher; 61struct idle_watcher;
59#endif 62#endif
63#if IOM_SIG
64struct sig_watcher;
65#endif
60 66
61template<class watcher> 67template<class watcher>
62struct io_manager_vec : vector<watcher *> { 68struct io_manager_vec : vector<watcher *> {
63#if IOM_CHECK 69#if IOM_CHECK
64 bool activity; 70 bool activity;
65#endif 71#endif
66 72
67 void erase_unordered (unsigned int pos) 73 void erase_unordered (unsigned int pos)
68 { 74 {
69 watcher *w = (*this)[size () - 1]; 75 watcher *w = (*this)[this->size () - 1];
70 pop_back (); 76 this->pop_back ();
71 77
72 if (size ()) 78 if (this->size ())
73 if ((*this)[pos] = w) 79 if ((*this)[pos] = w)
74 w->active = pos + 1; 80 w->active = pos + 1;
75 } 81 }
76}; 82};
77 83
84// only used as a namespace, and for initialisation purposes
78class io_manager { 85class io_manager {
79#if IOM_IO
80 io_manager_vec<io_watcher> iow;
81#endif
82#if IOM_CHECK
83 io_manager_vec<check_watcher> cw;
84#endif
85#if IOM_TIME
86 io_manager_vec<time_watcher> tw;
87#endif
88#if IOM_IDLE
89 io_manager_vec<idle_watcher> iw;
90#endif
91
92 template<class watcher> 86 template<class watcher>
93 void reg (watcher *w, io_manager_vec<watcher> &queue); 87 static void reg (watcher &w, io_manager_vec<watcher> &queue);
94 88
95 template<class watcher> 89 template<class watcher>
96 void unreg (watcher *w, io_manager_vec<watcher> &queue); 90 static void unreg (watcher &w, io_manager_vec<watcher> &queue);
97 91
98public: 92public:
99 // register a watcher 93 // register a watcher
100#if IOM_IO 94#if IOM_IO
101 void reg (io_watcher *w); void unreg (io_watcher *w); 95 static void reg (io_watcher &w); static void unreg (io_watcher &w);
102#endif 96#endif
103#if IOM_TIME 97#if IOM_TIME
104 void reg (time_watcher *w); void unreg (time_watcher *w); 98 static void reg (time_watcher &w); static void unreg (time_watcher &w);
105#endif 99#endif
106#if IOM_CHECK 100#if IOM_CHECK
107 void reg (check_watcher *w); void unreg (check_watcher *w); 101 static void reg (check_watcher &w); static void unreg (check_watcher &w);
108#endif 102#endif
109#if IOM_IDLE 103#if IOM_IDLE
110 void reg (idle_watcher *w); void unreg (idle_watcher *w); 104 static void reg (idle_watcher &w); static void unreg (idle_watcher &w);
105#endif
106#if IOM_SIG
107 static void reg (sig_watcher &w); static void unreg (sig_watcher &w);
111#endif 108#endif
112 109
113 void loop (); 110 static void loop ();
114
115 io_manager ();
116 ~io_manager ();
117}; 111};
118
119extern io_manager iom; // a singleton, together with it's construction/destruction problems.
120 112
121struct watcher { 113struct watcher {
122 int active; /* 0 == inactive, else index into respective vector */ 114 int active; /* 0 == inactive, else index into respective vector */
123 115
124 watcher() : active(0) { } 116 watcher () : active (0) { }
125}; 117};
126 118
127#if IOM_IO 119#if IOM_IO
128enum { EVENT_READ = 1, EVENT_WRITE = 2 }; 120enum { EVENT_READ = 1, EVENT_WRITE = 2 };
129 121
… …
132 short events; 124 short events;
133 125
134 void set (int fd_, short events_) { fd = fd_; events = events_; } 126 void set (int fd_, short events_) { fd = fd_; events = events_; }
135 127
136 void set (short events_) { set (fd, events_); } 128 void set (short events_) { set (fd, events_); }
137 void start () { iom.reg (this); } 129 void start () { io_manager::reg (*this); }
138 void start (int fd_, short events_) { set (fd_, events_); iom.reg (this); } 130 void start (int fd_, short events_) { set (fd_, events_); io_manager::reg (*this); }
139 void stop () { iom.unreg (this); } 131 void stop () { io_manager::unreg (*this); }
140 132
141 template<class O1, class O2> 133 template<class O1, class O2>
142 io_watcher (O1 *object, void (O2::*method)(io_watcher &, short)) 134 io_watcher (O1 *object, void (O2::*method) (io_watcher &, short))
143 : callback2<void, io_watcher &, short>(object,method) 135 : callback2<void, io_watcher &, short> (object,method)
144 { } 136 { }
145 ~io_watcher () { stop (); } 137 ~io_watcher () { stop (); }
146}; 138};
147#endif 139#endif
148 140
… …
151 tstamp at; 143 tstamp at;
152 144
153 void trigger (); 145 void trigger ();
154 146
155 void set (tstamp when) { at = when; } 147 void set (tstamp when) { at = when; }
156 void operator ()() { trigger (); } 148 void operator () () { trigger (); }
157 void start () { iom.reg (this); } 149 void start () { io_manager::reg (*this); }
158 void start (tstamp when) { set (when); iom.reg (this); } 150 void start (tstamp when) { set (when); io_manager::reg (*this); }
159 void stop () { iom.unreg (this); } 151 void stop () { io_manager::unreg (*this); }
160 152
161 template<class O1, class O2> 153 template<class O1, class O2>
162 time_watcher (O1 *object, void (O2::*method)(time_watcher &)) 154 time_watcher (O1 *object, void (O2::*method) (time_watcher &))
163 : callback1<void, time_watcher &>(object,method), at(0) 155 : callback1<void, time_watcher &> (object,method), at (0)
164 { } 156 { }
165 ~time_watcher () { stop (); } 157 ~time_watcher () { stop (); }
166}; 158};
167#endif 159#endif
168 160
169#if IOM_CHECK 161#if IOM_CHECK
170// run before checking for new events 162// run before checking for new events
171struct check_watcher : watcher, callback1<void, check_watcher &> { 163struct check_watcher : watcher, callback1<void, check_watcher &> {
172 void start () { iom.reg (this); } 164 void start () { io_manager::reg (*this); }
173 void stop () { iom.unreg (this); } 165 void stop () { io_manager::unreg (*this); }
174 166
175 template<class O1, class O2> 167 template<class O1, class O2>
176 check_watcher (O1 *object, void (O2::*method)(check_watcher &)) 168 check_watcher (O1 *object, void (O2::*method) (check_watcher &))
177 : callback1<void, check_watcher &>(object,method) 169 : callback1<void, check_watcher &> (object,method)
178 { } 170 { }
179 ~check_watcher () { stop (); } 171 ~check_watcher () { stop (); }
180}; 172};
181#endif 173#endif
182 174
183#if IOM_IDLE 175#if IOM_IDLE
184// run after checking for any i/o, but before waiting 176// run after checking for any i/o, but before waiting
185struct idle_watcher : watcher, callback1<void, idle_watcher &> { 177struct idle_watcher : watcher, callback1<void, idle_watcher &> {
186 void start () { iom.reg (this); } 178 void start () { io_manager::reg (*this); }
187 void stop () { iom.unreg (this); } 179 void stop () { io_manager::unreg (*this); }
188 180
189 template<class O1, class O2> 181 template<class O1, class O2>
190 idle_watcher (O1 *object, void (O2::*method)(idle_watcher &)) 182 idle_watcher (O1 *object, void (O2::*method) (idle_watcher &))
191 : callback1<void, idle_watcher &>(object,method) 183 : callback1<void, idle_watcher &> (object,method)
192 { } 184 { }
193 ~idle_watcher () { stop (); } 185 ~idle_watcher () { stop (); }
194}; 186};
195#endif 187#endif
196 188
197#endif 189#if IOM_SIG
190struct sig_watcher : watcher, callback1<void, sig_watcher &> {
191 int signum;
198 192
193 void start (int signum);
194 void stop () { io_manager::unreg (*this); }
195
196 template<class O1, class O2>
197 sig_watcher (O1 *object, void (O2::*method) (sig_watcher &))
198 : callback1<void, sig_watcher &> (object,method), signum (-1)
199 { }
200 ~sig_watcher () { stop (); }
201};
202#endif
203
204#endif
205

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