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Comparing libev/ev++.h (file contents):
Revision 1.21 by root, Tue Dec 25 07:05:45 2007 UTC vs.
Revision 1.28 by llucax, Fri Jan 18 18:14:41 2008 UTC

41#define EVPP_H__ 41#define EVPP_H__
42 42
43#ifdef EV_H 43#ifdef EV_H
44# include EV_H 44# include EV_H
45#else 45#else
46# include <ev.h> 46# include "ev.h"
47#endif 47#endif
48 48
49namespace ev { 49namespace ev {
50 50
51 template<class ev_watcher, class watcher> 51 typedef ev_tstamp tstamp;
52 struct base : ev_watcher
53 {
54 #if EV_MULTIPLICITY
55 EV_P;
56
57 void set (EV_P)
58 {
59 this->EV_A = EV_A;
60 }
61 #endif
62
63 base ()
64 {
65 ev_init (this, 0);
66 }
67
68 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
69 {
70 this->data = data;
71 ev_set_cb (static_cast<ev_watcher *>(this), cb);
72 }
73
74 // method callback
75 template<class K, void (K::*method)(watcher &w, int)>
76 void set (K *object)
77 {
78 set_ (object, method_thunk<K, method>);
79 }
80
81 template<class K, void (K::*method)(watcher &w, int)>
82 static void method_thunk (EV_P_ ev_watcher *w, int revents)
83 {
84 K *obj = static_cast<K *>(w->data);
85 (obj->*method) (*static_cast<watcher *>(w), revents);
86 }
87
88 // const method callback
89 template<class K, void (K::*method)(watcher &w, int) const>
90 void set (const K *object)
91 {
92 set_ (object, const_method_thunk<K, method>);
93 }
94
95 template<class K, void (K::*method)(watcher &w, int) const>
96 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
97 {
98 K *obj = static_cast<K *>(w->data);
99 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
100 }
101
102 // function callback
103 template<void (*function)(watcher &w, int)>
104 void set (void *data = 0)
105 {
106 set_ (data, function_thunk<function>);
107 }
108
109 template<void (*function)(watcher &w, int)>
110 static void function_thunk (EV_P_ ev_watcher *w, int revents)
111 {
112 function (*static_cast<watcher *>(w), revents);
113 }
114
115 // simple callback
116 template<class K, void (K::*method)()>
117 void set (K *object)
118 {
119 set_ (object, method_noargs_thunk<K, method>);
120 }
121
122 template<class K, void (K::*method)()>
123 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
124 {
125 K *obj = static_cast<K *>(w->data);
126 (obj->*method) ();
127 }
128
129 void operator ()(int events = EV_UNDEF)
130 {
131 return ev_cb (static_cast<ev_watcher *>(this))
132 (static_cast<ev_watcher *>(this), events);
133 }
134
135 bool is_active () const
136 {
137 return ev_is_active (static_cast<const ev_watcher *>(this));
138 }
139
140 bool is_pending () const
141 {
142 return ev_is_pending (static_cast<const ev_watcher *>(this));
143 }
144 };
145 52
146 enum { 53 enum {
147 UNDEF = EV_UNDEF, 54 UNDEF = EV_UNDEF,
148 NONE = EV_NONE, 55 NONE = EV_NONE,
149 READ = EV_READ, 56 READ = EV_READ,
159 FORK = EV_FORK, 66 FORK = EV_FORK,
160 EMBED = EV_EMBED, 67 EMBED = EV_EMBED,
161 ERROR = EV_ERROR, 68 ERROR = EV_ERROR,
162 }; 69 };
163 70
164 typedef ev_tstamp tstamp; 71 enum
72 {
73 AUTO = EVFLAG_AUTO,
74 NOENV = EVFLAG_NOENV,
75 FORKCHECK = EVFLAG_FORKCHECK,
76 SELECT = EVBACKEND_SELECT,
77 POLL = EVBACKEND_POLL,
78 EPOLL = EVBACKEND_EPOLL,
79 KQUEUE = EVBACKEND_KQUEUE,
80 DEVPOLL = EVBACKEND_DEVPOLL,
81 PORT = EVBACKEND_PORT
82 };
165 83
166 inline ev_tstamp now (EV_P) 84 enum
85 {
86 NONBLOCK = EVLOOP_NONBLOCK,
87 ONESHOT = EVLOOP_ONESHOT
88 };
89
90 enum how_t
91 {
92 ONE = EVUNLOOP_ONE,
93 ALL = EVUNLOOP_ALL
94 };
95
96#ifdef EV_AX
97# undef EV_AX
98#endif
99
100#ifdef EV_AX_
101# undef EV_AX_
102#endif
103
104#if EV_MULTIPLICITY
105# define EV_AX raw_loop
106# define EV_AX_ raw_loop,
107#else
108# define EV_AX
109# define EV_AX_
110#endif
111
112 struct loop_ref
113 {
114
115 loop_ref (EV_P)
116#if EV_MULTIPLICITY
117 : EV_AX (EV_A)
118#endif
167 { 119 {
120 }
121
122 bool operator== (const loop_ref &other) const
123 {
124#if EV_MULTIPLICITY
125 return this->EV_AX == other.EV_AX;
126#else
127 return true;
128#endif
129 }
130
131 bool operator!= (const loop_ref &other) const
132 {
133#if EV_MULTIPLICITY
134 return ! (*this == other);
135#else
136 return false;
137#endif
138 }
139
140#if EV_MULTIPLICITY
141 bool operator== (struct ev_loop *other) const
142 {
143 return this->EV_AX == other;
144 }
145
146 bool operator!= (struct ev_loop *other) const
147 {
148 return ! (*this == other);
149 }
150
151 bool operator== (const struct ev_loop *other) const
152 {
153 return this->EV_AX == other;
154 }
155
156 bool operator!= (const struct ev_loop *other) const
157 {
158 return (*this == other);
159 }
160
161 operator struct ev_loop * () const
162 {
163 return EV_AX;
164 }
165
166 operator const struct ev_loop * () const
167 {
168 return EV_AX;
169 }
170
171 bool is_default () const
172 {
173 return EV_AX == ev_default_loop (0);
174 }
175#endif
176
177 void loop (int flags = 0)
178 {
179 ev_loop (EV_AX_ flags);
180 }
181
182 void unloop (how_t how = ONE)
183 {
184 ev_unloop (EV_AX_ how);
185 }
186
187 void post_fork ()
188 {
189#if EV_MULTIPLICITY
190 ev_loop_fork (EV_AX);
191#else
192 ev_default_fork ();
193#endif
194 }
195
196 unsigned int count () const
197 {
198 return ev_loop_count (EV_AX);
199 }
200
201 unsigned int backend () const
202 {
203 return ev_backend (EV_AX);
204 }
205
206 tstamp now () const
207 {
168 return ev_now (EV_A); 208 return ev_now (EV_AX);
209 }
210
211 void ref ()
212 {
213 ev_ref (EV_AX);
214 }
215
216 void unref ()
217 {
218 ev_unref (EV_AX);
219 }
220
221 void set_io_collect_interval (tstamp interval)
222 {
223 ev_set_io_collect_interval (EV_AX_ interval);
224 }
225
226 void set_timeout_collect_interval (tstamp interval)
227 {
228 ev_set_timeout_collect_interval (EV_AX_ interval);
229 }
230
231 // function callback
232 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0)
233 {
234 ev_once (EV_AX_ fd, events, timeout, cb, arg);
235 }
236
237 // method callback
238 template<class K, void (K::*method)(int)>
239 void once (int fd, int events, tstamp timeout, K *object)
240 {
241 once (fd, events, timeout, method_thunk<K, method>, object);
242 }
243
244 template<class K, void (K::*method)(int)>
245 static void method_thunk (int revents, void* arg)
246 {
247 K *obj = static_cast<K *>(arg);
248 (obj->*method) (revents);
249 }
250
251 // const method callback
252 template<class K, void (K::*method)(int) const>
253 void once (int fd, int events, tstamp timeout, const K *object)
254 {
255 once (fd, events, timeout, const_method_thunk<K, method>, object);
256 }
257
258 template<class K, void (K::*method)(int) const>
259 static void const_method_thunk (int revents, void* arg)
260 {
261 K *obj = static_cast<K *>(arg);
262 (obj->*method) (revents);
263 }
264
265 // simple method callback
266 template<class K, void (K::*method)()>
267 void once (int fd, int events, tstamp timeout, K *object)
268 {
269 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
270 }
271
272 template<class K, void (K::*method)()>
273 static void method_noargs_thunk (int revents, void* arg)
274 {
275 K *obj = static_cast<K *>(arg);
276 (obj->*method) ();
277 }
278
279 // simpler function callback
280 template<void (*cb)(int)>
281 void once (int fd, int events, tstamp timeout)
282 {
283 once (fd, events, timeout, simpler_func_thunk<cb>);
284 }
285
286 template<void (*cb)(int)>
287 static void simpler_func_thunk (int revents, void* arg)
288 {
289 (*cb) (revents);
290 }
291
292 // simplest function callback
293 template<void (*cb)()>
294 void once (int fd, int events, tstamp timeout)
295 {
296 once (fd, events, timeout, simplest_func_thunk<cb>);
297 }
298
299 template<void (*cb)()>
300 static void simplest_func_thunk (int revents, void* arg)
301 {
302 (*cb) ();
303 }
304
305 void feed_fd_event (int fd, int revents)
306 {
307 ev_feed_fd_event (EV_AX_ fd, revents);
308 }
309
310 void feed_signal_event (int signum)
311 {
312 ev_feed_signal_event (EV_AX_ signum);
313 }
314
315#if EV_MULTIPLICITY
316 struct ev_loop* EV_AX;
317#endif
318
319 };
320
321#if EV_MULTIPLICITY
322 struct dynamic_loop: loop_ref
323 {
324
325 dynamic_loop (unsigned int flags = AUTO)
326 : loop_ref (ev_loop_new (flags))
327 {
328 }
329
330 ~dynamic_loop ()
331 {
332 ev_loop_destroy (EV_AX);
333 EV_AX = 0;
334 }
335
336 private:
337
338 dynamic_loop (const dynamic_loop &);
339
340 dynamic_loop & operator= (const dynamic_loop &);
341
342 };
343#endif
344
345 struct default_loop: loop_ref
346 {
347
348 default_loop (unsigned int flags = AUTO)
349#if EV_MULTIPLICITY
350 : loop_ref (ev_default_loop (flags))
351 {
352 }
353#else
354 {
355 ev_default_loop (flags);
356 }
357#endif
358
359 ~default_loop ()
360 {
361 ev_default_destroy ();
362#if EV_MULTIPLICITY
363 EV_AX = 0;
364#endif
365 }
366
367 private:
368
369 default_loop (const default_loop &);
370
371 default_loop & operator= (const default_loop &);
372
373 };
374
375 inline loop_ref get_default_loop ()
376 {
377#if EV_MULTIPLICITY
378 return ev_default_loop (0);
379#else
380 return loop_ref ();
381#endif
382 }
383
384#undef EV_AX
385#undef EV_AX_
386
387#undef EV_PX
388#undef EV_PX_
389#if EV_MULTIPLICITY
390# define EV_PX loop_ref EV_A
391# define EV_PX_ loop_ref EV_A_
392#else
393# define EV_PX
394# define EV_PX_
395#endif
396
397 template<class ev_watcher, class watcher>
398 struct base : ev_watcher
399 {
400 #if EV_MULTIPLICITY
401 EV_PX;
402
403 void set (EV_PX)
404 {
405 this->EV_A = EV_A;
406 }
407 #endif
408
409 base (EV_PX)
410 #if EV_MULTIPLICITY
411 : EV_A (EV_A)
412 #endif
413 {
414 ev_init (this, 0);
415 }
416
417 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
418 {
419 this->data = data;
420 ev_set_cb (static_cast<ev_watcher *>(this), cb);
421 }
422
423 // method callback
424 template<class K, void (K::*method)(watcher &w, int)>
425 void set (K *object)
426 {
427 set_ (object, method_thunk<K, method>);
428 }
429
430 template<class K, void (K::*method)(watcher &w, int)>
431 static void method_thunk (EV_P_ ev_watcher *w, int revents)
432 {
433 K *obj = static_cast<K *>(w->data);
434 (obj->*method) (*static_cast<watcher *>(w), revents);
435 }
436
437 // const method callback
438 template<class K, void (K::*method)(watcher &w, int) const>
439 void set (const K *object)
440 {
441 set_ (object, const_method_thunk<K, method>);
442 }
443
444 template<class K, void (K::*method)(watcher &w, int) const>
445 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
446 {
447 K *obj = static_cast<K *>(w->data);
448 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
449 }
450
451 // function callback
452 template<void (*function)(watcher &w, int)>
453 void set (void *data = 0)
454 {
455 set_ (data, function_thunk<function>);
456 }
457
458 template<void (*function)(watcher &w, int)>
459 static void function_thunk (EV_P_ ev_watcher *w, int revents)
460 {
461 function (*static_cast<watcher *>(w), revents);
462 }
463
464 // simple callback
465 template<class K, void (K::*method)()>
466 void set (K *object)
467 {
468 set_ (object, method_noargs_thunk<K, method>);
469 }
470
471 template<class K, void (K::*method)()>
472 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
473 {
474 K *obj = static_cast<K *>(w->data);
475 (obj->*method) ();
476 }
477
478 void operator ()(int events = EV_UNDEF)
479 {
480 return ev_cb (static_cast<ev_watcher *>(this))
481 (static_cast<ev_watcher *>(this), events);
482 }
483
484 bool is_active () const
485 {
486 return ev_is_active (static_cast<const ev_watcher *>(this));
487 }
488
489 bool is_pending () const
490 {
491 return ev_is_pending (static_cast<const ev_watcher *>(this));
492 }
493
494 void feed_event (int revents)
495 {
496 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
497 }
498 };
499
500 inline void delay (tstamp interval)
501 {
502 ev_sleep (interval);
503 }
504
505 inline int version_major ()
506 {
507 return ev_version_major ();
508 }
509
510 inline int version_minor ()
511 {
512 return ev_version_minor ();
513 }
514
515 inline unsigned int supported_backends ()
516 {
517 return ev_supported_backends ();
518 }
519
520 inline unsigned int recommended_backends ()
521 {
522 return ev_recommended_backends ();
523 }
524
525 inline unsigned int embeddable_backends ()
526 {
527 return ev_embeddable_backends ();
528 }
529
530 inline void set_allocator (void *(*cb)(void *ptr, long size))
531 {
532 ev_set_allocator (cb);
533 }
534
535 inline void set_syserr_cb (void (*cb)(const char *msg))
536 {
537 ev_set_syserr_cb (cb);
169 } 538 }
170 539
171 #if EV_MULTIPLICITY 540 #if EV_MULTIPLICITY
172 #define EV_CONSTRUCT \ 541 #define EV_CONSTRUCT(cppstem,cstem) \
173 (EV_P = EV_DEFAULT) \ 542 (EV_PX = get_default_loop ()) \
543 : base<ev_ ## cstem, cppstem> (EV_A) \
174 { \ 544 { \
175 set (EV_A); \
176 } 545 }
177 #else 546 #else
178 #define EV_CONSTRUCT \ 547 #define EV_CONSTRUCT(cppstem,cstem) \
179 () \ 548 () \
180 { \ 549 { \
181 } 550 }
182 #endif 551 #endif
183 552
195 void stop () \ 564 void stop () \
196 { \ 565 { \
197 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 566 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
198 } \ 567 } \
199 \ 568 \
200 cppstem EV_CONSTRUCT \ 569 cppstem EV_CONSTRUCT(cppstem,cstem) \
201 \ 570 \
202 ~cppstem () \ 571 ~cppstem () \
203 { \ 572 { \
204 stop (); \ 573 stop (); \
205 } \ 574 } \
206 \ 575 \
207 using base<ev_ ## cstem, cppstem>::set; \ 576 using base<ev_ ## cstem, cppstem>::set; \
208 \ 577 \
209 private: \ 578 private: \
210 \ 579 \
211 cppstem (const cppstem &o) \ 580 cppstem (const cppstem &o); \
212 { /* disabled */ } \
213 \ 581 \
214 void operator =(const cppstem &o) { /* disabled */ } \ 582 cppstem & operator =(const cppstem &o); \
215 \ 583 \
216 public: 584 public:
217 585
218 #define EV_END_WATCHER(cppstem,cstem) \ 586 #define EV_END_WATCHER(cppstem,cstem) \
219 }; 587 };
374 EV_BEGIN_WATCHER (fork, fork) 742 EV_BEGIN_WATCHER (fork, fork)
375 void set () { } 743 void set () { }
376 EV_END_WATCHER (fork, fork) 744 EV_END_WATCHER (fork, fork)
377 #endif 745 #endif
378 746
747 #undef EV_PX
748 #undef EV_PX_
379 #undef EV_CONSTRUCT 749 #undef EV_CONSTRUCT
380 #undef EV_BEGIN_WATCHER 750 #undef EV_BEGIN_WATCHER
381 #undef EV_END_WATCHER 751 #undef EV_END_WATCHER
752
382} 753}
383 754
384#endif 755#endif
385 756

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