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Comparing libev/ev++.h (file contents):
Revision 1.43 by root, Wed Nov 5 14:36:18 2008 UTC vs.
Revision 1.55 by root, Sun Oct 24 17:58:41 2010 UTC

1/* 1/*
2 * libev simple C++ wrapper classes 2 * libev simple C++ wrapper classes
3 * 3 *
4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2010 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
62 { 62 {
63 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
64 NONE = EV_NONE, 64 NONE = EV_NONE,
65 READ = EV_READ, 65 READ = EV_READ,
66 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
67#if EV_COMPAT3
67 TIMEOUT = EV_TIMEOUT, 68 TIMEOUT = EV_TIMEOUT,
69#endif
70 TIMER = EV_TIMER,
68 PERIODIC = EV_PERIODIC, 71 PERIODIC = EV_PERIODIC,
69 SIGNAL = EV_SIGNAL, 72 SIGNAL = EV_SIGNAL,
70 CHILD = EV_CHILD, 73 CHILD = EV_CHILD,
71 STAT = EV_STAT, 74 STAT = EV_STAT,
72 IDLE = EV_IDLE, 75 IDLE = EV_IDLE,
… …
74 PREPARE = EV_PREPARE, 77 PREPARE = EV_PREPARE,
75 FORK = EV_FORK, 78 FORK = EV_FORK,
76 ASYNC = EV_ASYNC, 79 ASYNC = EV_ASYNC,
77 EMBED = EV_EMBED, 80 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR 81# undef ERROR // some systems stupidly #define ERROR
79 ERROR = EV_ERROR, 82 ERROR = EV_ERROR
80 }; 83 };
81 84
82 enum 85 enum
83 { 86 {
84 AUTO = EVFLAG_AUTO, 87 AUTO = EVFLAG_AUTO,
… …
93 PORT = EVBACKEND_PORT 96 PORT = EVBACKEND_PORT
94 }; 97 };
95 98
96 enum 99 enum
97 { 100 {
101#if EV_COMPAT3
98 NONBLOCK = EVLOOP_NONBLOCK, 102 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT 103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
100 }; 107 };
101 108
102 enum how_t 109 enum how_t
103 { 110 {
104 ONE = EVUNLOOP_ONE, 111 ONE = EVBREAK_ONE,
105 ALL = EVUNLOOP_ALL 112 ALL = EVBREAK_ALL
106 }; 113 };
107 114
108 struct bad_loop 115 struct bad_loop
109#if EV_USE_STDEXCEPT 116#if EV_USE_STDEXCEPT
110 : std::runtime_error 117 : std::runtime_error
… …
160 return false; 167 return false;
161#endif 168#endif
162 } 169 }
163 170
164#if EV_MULTIPLICITY 171#if EV_MULTIPLICITY
165 bool operator == (struct ev_loop *other) const throw () 172 bool operator == (const EV_P) const throw ()
166 { 173 {
167 return this->EV_AX == other; 174 return this->EV_AX == EV_A;
168 }
169
170 bool operator != (struct ev_loop *other) const throw ()
171 { 175 }
172 return ! (*this == other); 176
177 bool operator != (const EV_P) const throw ()
173 } 178 {
174
175 bool operator == (const struct ev_loop *other) const throw ()
176 {
177 return this->EV_AX == other;
178 }
179
180 bool operator != (const struct ev_loop *other) const throw ()
181 {
182 return (*this == other); 179 return (*this == EV_A);
183 } 180 }
184 181
185 operator struct ev_loop * () const throw () 182 operator struct ev_loop * () const throw ()
186 { 183 {
187 return EV_AX; 184 return EV_AX;
… …
196 { 193 {
197 return EV_AX == ev_default_loop (0); 194 return EV_AX == ev_default_loop (0);
198 } 195 }
199#endif 196#endif
200 197
198#if EV_COMPAT3
201 void loop (int flags = 0) 199 void loop (int flags = 0)
202 { 200 {
203 ev_loop (EV_AX_ flags); 201 ev_run (EV_AX_ flags);
204 } 202 }
205 203
206 void unloop (how_t how = ONE) throw () 204 void unloop (how_t how = ONE) throw ()
207 { 205 {
208 ev_unloop (EV_AX_ how); 206 ev_break (EV_AX_ how);
207 }
208#endif
209
210 void run (int flags = 0)
211 {
212 ev_run (EV_AX_ flags);
213 }
214
215 void break_loop (how_t how = ONE) throw ()
216 {
217 ev_break (EV_AX_ how);
209 } 218 }
210 219
211 void post_fork () throw () 220 void post_fork () throw ()
212 { 221 {
213#if EV_MULTIPLICITY
214 ev_loop_fork (EV_AX); 222 ev_loop_fork (EV_AX);
215#else
216 ev_default_fork ();
217#endif
218 }
219
220 unsigned int count () const throw ()
221 {
222 return ev_loop_count (EV_AX);
223 } 223 }
224 224
225 unsigned int backend () const throw () 225 unsigned int backend () const throw ()
226 { 226 {
227 return ev_backend (EV_AX); 227 return ev_backend (EV_AX);
… …
240 void unref () throw () 240 void unref () throw ()
241 { 241 {
242 ev_unref (EV_AX); 242 ev_unref (EV_AX);
243 } 243 }
244 244
245#if EV_FEATURE_API
246 unsigned int iteration () const throw ()
247 {
248 return ev_iteration (EV_AX);
249 }
250
251 unsigned int depth () const throw ()
252 {
253 return ev_depth (EV_AX);
254 }
255
245 void set_io_collect_interval (tstamp interval) throw () 256 void set_io_collect_interval (tstamp interval) throw ()
246 { 257 {
247 ev_set_io_collect_interval (EV_AX_ interval); 258 ev_set_io_collect_interval (EV_AX_ interval);
248 } 259 }
249 260
250 void set_timeout_collect_interval (tstamp interval) throw () 261 void set_timeout_collect_interval (tstamp interval) throw ()
251 { 262 {
252 ev_set_timeout_collect_interval (EV_AX_ interval); 263 ev_set_timeout_collect_interval (EV_AX_ interval);
253 } 264 }
265#endif
254 266
255 // function callback 267 // function callback
256 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw () 268 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
257 { 269 {
258 ev_once (EV_AX_ fd, events, timeout, cb, arg); 270 ev_once (EV_AX_ fd, events, timeout, cb, arg);
259 } 271 }
260 272
261 // method callback 273 // method callback
… …
263 void once (int fd, int events, tstamp timeout, K *object) throw () 275 void once (int fd, int events, tstamp timeout, K *object) throw ()
264 { 276 {
265 once (fd, events, timeout, method_thunk<K, method>, object); 277 once (fd, events, timeout, method_thunk<K, method>, object);
266 } 278 }
267 279
280 // default method == operator ()
281 template<class K>
282 void once (int fd, int events, tstamp timeout, K *object) throw ()
283 {
284 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
285 }
286
268 template<class K, void (K::*method)(int)> 287 template<class K, void (K::*method)(int)>
269 static void method_thunk (int revents, void* arg) 288 static void method_thunk (int revents, void *arg)
270 {
271 K *obj = static_cast<K *>(arg);
272 (obj->*method) (revents);
273 } 289 {
290 static_cast<K *>(arg)->*method
291 (revents);
292 }
274 293
275 // const method callback 294 // no-argument method callback
276 template<class K, void (K::*method)(int) const>
277 void once (int fd, int events, tstamp timeout, const K *object) throw ()
278 {
279 once (fd, events, timeout, const_method_thunk<K, method>, object);
280 }
281
282 template<class K, void (K::*method)(int) const>
283 static void const_method_thunk (int revents, void* arg)
284 {
285 K *obj = static_cast<K *>(arg);
286 (obj->*method) (revents);
287 }
288
289 // simple method callback
290 template<class K, void (K::*method)()> 295 template<class K, void (K::*method)()>
291 void once (int fd, int events, tstamp timeout, K *object) throw () 296 void once (int fd, int events, tstamp timeout, K *object) throw ()
292 { 297 {
293 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 298 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
294 } 299 }
295 300
296 template<class K, void (K::*method)()> 301 template<class K, void (K::*method)()>
297 static void method_noargs_thunk (int revents, void* arg) 302 static void method_noargs_thunk (int revents, void *arg)
298 { 303 {
299 K *obj = static_cast<K *>(arg); 304 static_cast<K *>(arg)->*method
300 (obj->*method) (); 305 ();
301 } 306 }
302 307
303 // simpler function callback 308 // simpler function callback
304 template<void (*cb)(int)> 309 template<void (*cb)(int)>
305 void once (int fd, int events, tstamp timeout) throw () 310 void once (int fd, int events, tstamp timeout) throw ()
306 { 311 {
307 once (fd, events, timeout, simpler_func_thunk<cb>); 312 once (fd, events, timeout, simpler_func_thunk<cb>);
308 } 313 }
309 314
310 template<void (*cb)(int)> 315 template<void (*cb)(int)>
311 static void simpler_func_thunk (int revents, void* arg) 316 static void simpler_func_thunk (int revents, void *arg)
312 { 317 {
318 (*cb)
313 (*cb) (revents); 319 (revents);
314 } 320 }
315 321
316 // simplest function callback 322 // simplest function callback
317 template<void (*cb)()> 323 template<void (*cb)()>
318 void once (int fd, int events, tstamp timeout) throw () 324 void once (int fd, int events, tstamp timeout) throw ()
319 { 325 {
320 once (fd, events, timeout, simplest_func_thunk<cb>); 326 once (fd, events, timeout, simplest_func_thunk<cb>);
321 } 327 }
322 328
323 template<void (*cb)()> 329 template<void (*cb)()>
324 static void simplest_func_thunk (int revents, void* arg) 330 static void simplest_func_thunk (int revents, void *arg)
325 { 331 {
326 (*cb) (); 332 (*cb)
333 ();
327 } 334 }
328 335
329 void feed_fd_event (int fd, int revents) throw () 336 void feed_fd_event (int fd, int revents) throw ()
330 { 337 {
331 ev_feed_fd_event (EV_AX_ fd, revents); 338 ev_feed_fd_event (EV_AX_ fd, revents);
… …
381#else 388#else
382 !ev_default_loop (flags) 389 !ev_default_loop (flags)
383#endif 390#endif
384 ) 391 )
385 throw bad_loop (); 392 throw bad_loop ();
386 }
387
388 ~default_loop () throw ()
389 {
390 ev_default_destroy ();
391 } 393 }
392 394
393 private: 395 private:
394 default_loop (const default_loop &); 396 default_loop (const default_loop &);
395 default_loop &operator = (const default_loop &); 397 default_loop &operator = (const default_loop &);
… …
421 struct base : ev_watcher 423 struct base : ev_watcher
422 { 424 {
423 #if EV_MULTIPLICITY 425 #if EV_MULTIPLICITY
424 EV_PX; 426 EV_PX;
425 427
428 // loop set
426 void set (EV_PX) throw () 429 void set (EV_P) throw ()
427 { 430 {
428 this->EV_A = EV_A; 431 this->EV_A = EV_A;
429 } 432 }
430 #endif 433 #endif
431 434
… …
435 #endif 438 #endif
436 { 439 {
437 ev_init (this, 0); 440 ev_init (this, 0);
438 } 441 }
439 442
440 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw () 443 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
441 { 444 {
442 this->data = data; 445 this->data = (void *)data;
443 ev_set_cb (static_cast<ev_watcher *>(this), cb); 446 ev_set_cb (static_cast<ev_watcher *>(this), cb);
447 }
448
449 // function callback
450 template<void (*function)(watcher &w, int)>
451 void set (void *data = 0) throw ()
452 {
453 set_ (data, function_thunk<function>);
454 }
455
456 template<void (*function)(watcher &w, int)>
457 static void function_thunk (EV_P_ ev_watcher *w, int revents)
458 {
459 function
460 (*static_cast<watcher *>(w), revents);
444 } 461 }
445 462
446 // method callback 463 // method callback
447 template<class K, void (K::*method)(watcher &w, int)> 464 template<class K, void (K::*method)(watcher &w, int)>
448 void set (K *object) throw () 465 void set (K *object) throw ()
449 { 466 {
450 set_ (object, method_thunk<K, method>); 467 set_ (object, method_thunk<K, method>);
451 } 468 }
452 469
470 // default method == operator ()
471 template<class K>
472 void set (K *object) throw ()
473 {
474 set_ (object, method_thunk<K, &K::operator ()>);
475 }
476
453 template<class K, void (K::*method)(watcher &w, int)> 477 template<class K, void (K::*method)(watcher &w, int)>
454 static void method_thunk (EV_P_ ev_watcher *w, int revents) 478 static void method_thunk (EV_P_ ev_watcher *w, int revents)
455 { 479 {
456 K *obj = static_cast<K *>(w->data); 480 (static_cast<K *>(w->data)->*method)
457 (obj->*method) (*static_cast<watcher *>(w), revents);
458 }
459
460 // const method callback
461 template<class K, void (K::*method)(watcher &w, int) const>
462 void set (const K *object) throw ()
463 {
464 set_ (object, const_method_thunk<K, method>);
465 }
466
467 template<class K, void (K::*method)(watcher &w, int) const>
468 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
469 {
470 K *obj = static_cast<K *>(w->data);
471 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
472 }
473
474 // function callback
475 template<void (*function)(watcher &w, int)>
476 void set (void *data = 0) throw ()
477 {
478 set_ (data, function_thunk<function>);
479 }
480
481 template<void (*function)(watcher &w, int)>
482 static void function_thunk (EV_P_ ev_watcher *w, int revents)
483 {
484 function (*static_cast<watcher *>(w), revents); 481 (*static_cast<watcher *>(w), revents);
485 } 482 }
486 483
487 // simple callback 484 // no-argument callback
488 template<class K, void (K::*method)()> 485 template<class K, void (K::*method)()>
489 void set (K *object) throw () 486 void set (K *object) throw ()
490 { 487 {
491 set_ (object, method_noargs_thunk<K, method>); 488 set_ (object, method_noargs_thunk<K, method>);
492 } 489 }
493 490
494 template<class K, void (K::*method)()> 491 template<class K, void (K::*method)()>
495 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) 492 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
496 { 493 {
497 K *obj = static_cast<K *>(w->data); 494 (static_cast<K *>(w->data)->*method)
498 (obj->*method) (); 495 ();
499 } 496 }
500 497
501 void operator ()(int events = EV_UNDEF) 498 void operator ()(int events = EV_UNDEF)
502 { 499 {
500 return
503 return ev_cb (static_cast<ev_watcher *>(this)) 501 ev_cb (static_cast<ev_watcher *>(this))
504 (static_cast<ev_watcher *>(this), events); 502 (static_cast<ev_watcher *>(this), events);
505 } 503 }
506 504
507 bool is_active () const throw () 505 bool is_active () const throw ()
508 { 506 {
509 return ev_is_active (static_cast<const ev_watcher *>(this)); 507 return ev_is_active (static_cast<const ev_watcher *>(this));
… …
655 653
656 void again () throw () 654 void again () throw ()
657 { 655 {
658 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
659 } 657 }
658
659 ev_tstamp remaining ()
660 {
661 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
662 }
660 EV_END_WATCHER (timer, timer) 663 EV_END_WATCHER (timer, timer)
661 664
662 #if EV_PERIODIC_ENABLE 665 #if EV_PERIODIC_ENABLE
663 EV_BEGIN_WATCHER (periodic, periodic) 666 EV_BEGIN_WATCHER (periodic, periodic)
664 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 667 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
… …
680 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 683 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
681 } 684 }
682 EV_END_WATCHER (periodic, periodic) 685 EV_END_WATCHER (periodic, periodic)
683 #endif 686 #endif
684 687
688 #if EV_SIGNAL_ENABLE
685 EV_BEGIN_WATCHER (sig, signal) 689 EV_BEGIN_WATCHER (sig, signal)
686 void set (int signum) throw () 690 void set (int signum) throw ()
687 { 691 {
688 int active = is_active (); 692 int active = is_active ();
689 if (active) stop (); 693 if (active) stop ();
… …
695 { 699 {
696 set (signum); 700 set (signum);
697 start (); 701 start ();
698 } 702 }
699 EV_END_WATCHER (sig, signal) 703 EV_END_WATCHER (sig, signal)
704 #endif
700 705
706 #if EV_CHILD_ENABLE
701 EV_BEGIN_WATCHER (child, child) 707 EV_BEGIN_WATCHER (child, child)
702 void set (int pid, int trace = 0) throw () 708 void set (int pid, int trace = 0) throw ()
703 { 709 {
704 int active = is_active (); 710 int active = is_active ();
705 if (active) stop (); 711 if (active) stop ();
… …
711 { 717 {
712 set (pid, trace); 718 set (pid, trace);
713 start (); 719 start ();
714 } 720 }
715 EV_END_WATCHER (child, child) 721 EV_END_WATCHER (child, child)
722 #endif
716 723
717 #if EV_STAT_ENABLE 724 #if EV_STAT_ENABLE
718 EV_BEGIN_WATCHER (stat, stat) 725 EV_BEGIN_WATCHER (stat, stat)
719 void set (const char *path, ev_tstamp interval = 0.) throw () 726 void set (const char *path, ev_tstamp interval = 0.) throw ()
720 { 727 {
… …
736 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 743 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
737 } 744 }
738 EV_END_WATCHER (stat, stat) 745 EV_END_WATCHER (stat, stat)
739 #endif 746 #endif
740 747
748 #if EV_IDLE_ENABLE
741 EV_BEGIN_WATCHER (idle, idle) 749 EV_BEGIN_WATCHER (idle, idle)
742 void set () throw () { } 750 void set () throw () { }
743 EV_END_WATCHER (idle, idle) 751 EV_END_WATCHER (idle, idle)
752 #endif
744 753
754 #if EV_PREPARE_ENABLE
745 EV_BEGIN_WATCHER (prepare, prepare) 755 EV_BEGIN_WATCHER (prepare, prepare)
746 void set () throw () { } 756 void set () throw () { }
747 EV_END_WATCHER (prepare, prepare) 757 EV_END_WATCHER (prepare, prepare)
758 #endif
748 759
760 #if EV_CHECK_ENABLE
749 EV_BEGIN_WATCHER (check, check) 761 EV_BEGIN_WATCHER (check, check)
750 void set () throw () { } 762 void set () throw () { }
751 EV_END_WATCHER (check, check) 763 EV_END_WATCHER (check, check)
764 #endif
752 765
753 #if EV_EMBED_ENABLE 766 #if EV_EMBED_ENABLE
754 EV_BEGIN_WATCHER (embed, embed) 767 EV_BEGIN_WATCHER (embed, embed)
755 void set (struct ev_loop *embedded_loop) throw () 768 void set (struct ev_loop *embedded_loop) throw ()
756 { 769 {
… …
779 EV_END_WATCHER (fork, fork) 792 EV_END_WATCHER (fork, fork)
780 #endif 793 #endif
781 794
782 #if EV_ASYNC_ENABLE 795 #if EV_ASYNC_ENABLE
783 EV_BEGIN_WATCHER (async, async) 796 EV_BEGIN_WATCHER (async, async)
784 void set () throw () { }
785
786 void send () throw () 797 void send () throw ()
787 { 798 {
788 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 799 ev_async_send (EV_A_ static_cast<ev_async *>(this));
789 } 800 }
790 801

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