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/cvs/libev/ev++.h
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Comparing libev/ev++.h (file contents):
Revision 1.3 by root, Sun Nov 11 01:07:35 2007 UTC vs.
Revision 1.7 by root, Sat Nov 24 09:48:37 2007 UTC

1#ifndef EVPP_H__ 1#ifndef EVPP_H__
2#define EVPP_H__ 2#define EVPP_H__
3 3
4/* work in progress, don't use unless you know what you are doing */ 4#include "ev.h"
5 5
6namespace ev { 6namespace ev {
7 7
8 template<class watcher> 8 template<class watcher>
9 class callback 9 class callback
… …
41 void call (watcher *w, int e) const 41 void call (watcher *w, int e) const
42 { 42 {
43 return prxy->call (obj, meth, *w, e); 43 return prxy->call (obj, meth, *w, e);
44 } 44 }
45 }; 45 };
46
47 #include "ev.h"
48 46
49 enum { 47 enum {
50 UNDEF = EV_UNDEF, 48 UNDEF = EV_UNDEF,
51 NONE = EV_NONE, 49 NONE = EV_NONE,
52 READ = EV_READ, 50 READ = EV_READ,
… …
91 89
92 #endif 90 #endif
93 91
94 /* using a template here would require quite a bit more lines, 92 /* using a template here would require quite a bit more lines,
95 * so a macro solution was chosen */ 93 * so a macro solution was chosen */
96 #define EV_DECLARE_WATCHER(cppstem,cstem) \ 94 #define EV_BEGIN_WATCHER(cppstem,cstem) \
97 \
98 extern "C" void cb_ ## cppstem (struct ev_ ## cstem *w, int revents); \
99 \ 95 \
100 struct cppstem : ev_ ## cstem, callback<cppstem> \ 96 struct cppstem : ev_ ## cstem, callback<cppstem> \
101 { \ 97 { \
102 EV_CONSTRUCT (cppstem) \ 98 EV_CONSTRUCT (cppstem) \
103 { \ 99 { \
104 ev_init (static_cast<ev_ ## cstem *>(this), cb_ ## cppstem); \ 100 ev_init (static_cast<ev_ ## cstem *>(this), thunk); \
105 } \ 101 } \
106 \ 102 \
107 bool is_active () const \ 103 bool is_active () const \
108 { \ 104 { \
109 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ 105 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
… …
137 private: \ 133 private: \
138 \ 134 \
139 cppstem (const cppstem &o) \ 135 cppstem (const cppstem &o) \
140 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ 136 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
141 { /* disabled */ } \ 137 { /* disabled */ } \
138 \
142 void operator =(const cppstem &o) { /* disabled */ } \ 139 void operator =(const cppstem &o) { /* disabled */ } \
143 \ 140 \
141 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
142 { \
143 (*static_cast<cppstem *>(w))(revents); \
144 } \
145 \
144 public: 146 public:
145 147
148 #define EV_END_WATCHER(cppstem,cstem) \
149 };
150
146 EV_DECLARE_WATCHER (io, io) 151 EV_BEGIN_WATCHER (io, io)
147 void set (int fd, int events) 152 void set (int fd, int events)
148 { 153 {
149 int active = is_active (); 154 int active = is_active ();
150 if (active) stop (); 155 if (active) stop ();
151 ev_io_set (static_cast<ev_io *>(this), fd, events); 156 ev_io_set (static_cast<ev_io *>(this), fd, events);
… …
163 void start (int fd, int events) 168 void start (int fd, int events)
164 { 169 {
165 set (fd, events); 170 set (fd, events);
166 start (); 171 start ();
167 } 172 }
168 }; 173 EV_END_WATCHER (io, io)
169 174
170 EV_DECLARE_WATCHER (timer, timer) 175 EV_BEGIN_WATCHER (timer, timer)
171 void set (ev_tstamp after, ev_tstamp repeat = 0.) 176 void set (ev_tstamp after, ev_tstamp repeat = 0.)
172 { 177 {
173 int active = is_active (); 178 int active = is_active ();
174 if (active) stop (); 179 if (active) stop ();
175 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 180 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
… …
184 189
185 void again () 190 void again ()
186 { 191 {
187 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 192 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
188 } 193 }
189 }; 194 EV_END_WATCHER (timer, timer)
190 195
191 #if EV_PERIODICS 196 #if EV_PERIODICS
192 EV_DECLARE_WATCHER (periodic, periodic) 197 EV_BEGIN_WATCHER (periodic, periodic)
193 void set (ev_tstamp at, ev_tstamp interval = 0.) 198 void set (ev_tstamp at, ev_tstamp interval = 0.)
194 { 199 {
195 int active = is_active (); 200 int active = is_active ();
196 if (active) stop (); 201 if (active) stop ();
197 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 202 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
… …
206 211
207 void again () 212 void again ()
208 { 213 {
209 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 214 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
210 } 215 }
211 }; 216 EV_END_WATCHER (periodic, periodic)
212 #endif 217 #endif
213 218
219 EV_BEGIN_WATCHER (idle, idle)
220 void set () { }
214 EV_DECLARE_WATCHER (idle, idle) 221 EV_END_WATCHER (idle, idle)
215 };
216 222
223 EV_BEGIN_WATCHER (prepare, prepare)
224 void set () { }
217 EV_DECLARE_WATCHER (prepare, prepare) 225 EV_END_WATCHER (prepare, prepare)
218 };
219 226
227 EV_BEGIN_WATCHER (check, check)
228 void set () { }
220 EV_DECLARE_WATCHER (check, check) 229 EV_END_WATCHER (check, check)
221 };
222 230
223 EV_DECLARE_WATCHER (sig, signal) 231 EV_BEGIN_WATCHER (sig, signal)
224 void set (int signum) 232 void set (int signum)
225 { 233 {
226 int active = is_active (); 234 int active = is_active ();
227 if (active) stop (); 235 if (active) stop ();
228 ev_signal_set (static_cast<ev_signal *>(this), signum); 236 ev_signal_set (static_cast<ev_signal *>(this), signum);
… …
232 void start (int signum) 240 void start (int signum)
233 { 241 {
234 set (signum); 242 set (signum);
235 start (); 243 start ();
236 } 244 }
237 }; 245 EV_END_WATCHER (sig, signal)
238 246
239 EV_DECLARE_WATCHER (child, child) 247 EV_BEGIN_WATCHER (child, child)
240 void set (int pid) 248 void set (int pid)
241 { 249 {
242 int active = is_active (); 250 int active = is_active ();
243 if (active) stop (); 251 if (active) stop ();
244 ev_child_set (static_cast<ev_child *>(this), pid); 252 ev_child_set (static_cast<ev_child *>(this), pid);
… …
248 void start (int pid) 256 void start (int pid)
249 { 257 {
250 set (pid); 258 set (pid);
251 start (); 259 start ();
252 } 260 }
253 }; 261 EV_END_WATCHER (child, child)
262
263 #if EV_MULTIPLICITY
264
265 EV_BEGIN_WATCHER (embed, embed)
266 void set (struct ev_loop *loop)
267 {
268 int active = is_active ();
269 if (active) stop ();
270 ev_embed_set (static_cast<ev_embed *>(this), loop);
271 if (active) start ();
272 }
273
274 void start (struct ev_loop *embedded_loop)
275 {
276 set (embedded_loop);
277 start ();
278 }
279
280 void sweep ()
281 {
282 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
283 }
284 EV_END_WATCHER (embed, embed)
285
286 #endif
254 287
255 #undef EV_CONSTRUCT 288 #undef EV_CONSTRUCT
289 #undef EV_BEGIN_WATCHER
256 #undef EV_DECLARE_WATCHER 290 #undef EV_END_WATCHER
257} 291}
258 292
259#endif 293#endif
260 294

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