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Comparing libev/ev++.h (file contents):
Revision 1.40 by root, Sat May 17 12:15:30 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 *
56 56
57namespace ev { 57namespace ev {
58 58
59 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
60 60
61 enum { 61 enum
62 {
62 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
63 NONE = EV_NONE, 64 NONE = EV_NONE,
64 READ = EV_READ, 65 READ = EV_READ,
65 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
67#if EV_COMPAT3
66 TIMEOUT = EV_TIMEOUT, 68 TIMEOUT = EV_TIMEOUT,
69#endif
70 TIMER = EV_TIMER,
67 PERIODIC = EV_PERIODIC, 71 PERIODIC = EV_PERIODIC,
68 SIGNAL = EV_SIGNAL, 72 SIGNAL = EV_SIGNAL,
69 CHILD = EV_CHILD, 73 CHILD = EV_CHILD,
70 STAT = EV_STAT, 74 STAT = EV_STAT,
71 IDLE = EV_IDLE, 75 IDLE = EV_IDLE,
72 CHECK = EV_CHECK, 76 CHECK = EV_CHECK,
73 PREPARE = EV_PREPARE, 77 PREPARE = EV_PREPARE,
74 FORK = EV_FORK, 78 FORK = EV_FORK,
75 ASYNC = EV_ASYNC, 79 ASYNC = EV_ASYNC,
76 EMBED = EV_EMBED, 80 EMBED = EV_EMBED,
81# undef ERROR // some systems stupidly #define ERROR
77 ERROR = EV_ERROR, 82 ERROR = EV_ERROR
78 }; 83 };
79 84
80 enum 85 enum
81 { 86 {
82 AUTO = EVFLAG_AUTO, 87 AUTO = EVFLAG_AUTO,
83 NOENV = EVFLAG_NOENV, 88 NOENV = EVFLAG_NOENV,
84 FORKCHECK = EVFLAG_FORKCHECK, 89 FORKCHECK = EVFLAG_FORKCHECK,
90
85 SELECT = EVBACKEND_SELECT, 91 SELECT = EVBACKEND_SELECT,
86 POLL = EVBACKEND_POLL, 92 POLL = EVBACKEND_POLL,
87 EPOLL = EVBACKEND_EPOLL, 93 EPOLL = EVBACKEND_EPOLL,
88 KQUEUE = EVBACKEND_KQUEUE, 94 KQUEUE = EVBACKEND_KQUEUE,
89 DEVPOLL = EVBACKEND_DEVPOLL, 95 DEVPOLL = EVBACKEND_DEVPOLL,
90 PORT = EVBACKEND_PORT 96 PORT = EVBACKEND_PORT
91 }; 97 };
92 98
93 enum 99 enum
94 { 100 {
101#if EV_COMPAT3
95 NONBLOCK = EVLOOP_NONBLOCK, 102 NONBLOCK = EVLOOP_NONBLOCK,
96 ONESHOT = EVLOOP_ONESHOT 103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
97 }; 107 };
98 108
99 enum how_t 109 enum how_t
100 { 110 {
101 ONE = EVUNLOOP_ONE, 111 ONE = EVBREAK_ONE,
102 ALL = EVUNLOOP_ALL 112 ALL = EVBREAK_ALL
103 }; 113 };
104 114
105 struct bad_loop 115 struct bad_loop
106#if EV_USE_STDEXCEPT 116#if EV_USE_STDEXCEPT
107 : std::runtime_error 117 : std::runtime_error
157 return false; 167 return false;
158#endif 168#endif
159 } 169 }
160 170
161#if EV_MULTIPLICITY 171#if EV_MULTIPLICITY
162 bool operator == (struct ev_loop *other) const throw () 172 bool operator == (const EV_P) const throw ()
163 { 173 {
164 return this->EV_AX == other; 174 return this->EV_AX == EV_A;
165 }
166
167 bool operator != (struct ev_loop *other) const throw ()
168 { 175 }
169 return ! (*this == other); 176
177 bool operator != (const EV_P) const throw ()
170 } 178 {
171
172 bool operator == (const struct ev_loop *other) const throw ()
173 {
174 return this->EV_AX == other;
175 }
176
177 bool operator != (const struct ev_loop *other) const throw ()
178 {
179 return (*this == other); 179 return (*this == EV_A);
180 } 180 }
181 181
182 operator struct ev_loop * () const throw () 182 operator struct ev_loop * () const throw ()
183 { 183 {
184 return EV_AX; 184 return EV_AX;
193 { 193 {
194 return EV_AX == ev_default_loop (0); 194 return EV_AX == ev_default_loop (0);
195 } 195 }
196#endif 196#endif
197 197
198#if EV_COMPAT3
198 void loop (int flags = 0) 199 void loop (int flags = 0)
199 { 200 {
200 ev_loop (EV_AX_ flags); 201 ev_run (EV_AX_ flags);
201 } 202 }
202 203
203 void unloop (how_t how = ONE) throw () 204 void unloop (how_t how = ONE) throw ()
204 { 205 {
205 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);
206 } 218 }
207 219
208 void post_fork () throw () 220 void post_fork () throw ()
209 { 221 {
210#if EV_MULTIPLICITY
211 ev_loop_fork (EV_AX); 222 ev_loop_fork (EV_AX);
212#else
213 ev_default_fork ();
214#endif
215 }
216
217 unsigned int count () const throw ()
218 {
219 return ev_loop_count (EV_AX);
220 } 223 }
221 224
222 unsigned int backend () const throw () 225 unsigned int backend () const throw ()
223 { 226 {
224 return ev_backend (EV_AX); 227 return ev_backend (EV_AX);
237 void unref () throw () 240 void unref () throw ()
238 { 241 {
239 ev_unref (EV_AX); 242 ev_unref (EV_AX);
240 } 243 }
241 244
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
242 void set_io_collect_interval (tstamp interval) throw () 256 void set_io_collect_interval (tstamp interval) throw ()
243 { 257 {
244 ev_set_io_collect_interval (EV_AX_ interval); 258 ev_set_io_collect_interval (EV_AX_ interval);
245 } 259 }
246 260
247 void set_timeout_collect_interval (tstamp interval) throw () 261 void set_timeout_collect_interval (tstamp interval) throw ()
248 { 262 {
249 ev_set_timeout_collect_interval (EV_AX_ interval); 263 ev_set_timeout_collect_interval (EV_AX_ interval);
250 } 264 }
265#endif
251 266
252 // function callback 267 // function callback
253 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 ()
254 { 269 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg); 270 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 } 271 }
257 272
258 // method callback 273 // method callback
260 void once (int fd, int events, tstamp timeout, K *object) throw () 275 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 { 276 {
262 once (fd, events, timeout, method_thunk<K, method>, object); 277 once (fd, events, timeout, method_thunk<K, method>, object);
263 } 278 }
264 279
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
265 template<class K, void (K::*method)(int)> 287 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void* arg) 288 static void method_thunk (int revents, void *arg)
267 {
268 K *obj = static_cast<K *>(arg);
269 (obj->*method) (revents);
270 } 289 {
290 static_cast<K *>(arg)->*method
291 (revents);
292 }
271 293
272 // const method callback 294 // no-argument method callback
273 template<class K, void (K::*method)(int) const>
274 void once (int fd, int events, tstamp timeout, const K *object) throw ()
275 {
276 once (fd, events, timeout, const_method_thunk<K, method>, object);
277 }
278
279 template<class K, void (K::*method)(int) const>
280 static void const_method_thunk (int revents, void* arg)
281 {
282 K *obj = static_cast<K *>(arg);
283 (obj->*method) (revents);
284 }
285
286 // simple method callback
287 template<class K, void (K::*method)()> 295 template<class K, void (K::*method)()>
288 void once (int fd, int events, tstamp timeout, K *object) throw () 296 void once (int fd, int events, tstamp timeout, K *object) throw ()
289 { 297 {
290 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 298 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
291 } 299 }
292 300
293 template<class K, void (K::*method)()> 301 template<class K, void (K::*method)()>
294 static void method_noargs_thunk (int revents, void* arg) 302 static void method_noargs_thunk (int revents, void *arg)
295 { 303 {
296 K *obj = static_cast<K *>(arg); 304 static_cast<K *>(arg)->*method
297 (obj->*method) (); 305 ();
298 } 306 }
299 307
300 // simpler function callback 308 // simpler function callback
301 template<void (*cb)(int)> 309 template<void (*cb)(int)>
302 void once (int fd, int events, tstamp timeout) throw () 310 void once (int fd, int events, tstamp timeout) throw ()
303 { 311 {
304 once (fd, events, timeout, simpler_func_thunk<cb>); 312 once (fd, events, timeout, simpler_func_thunk<cb>);
305 } 313 }
306 314
307 template<void (*cb)(int)> 315 template<void (*cb)(int)>
308 static void simpler_func_thunk (int revents, void* arg) 316 static void simpler_func_thunk (int revents, void *arg)
309 { 317 {
318 (*cb)
310 (*cb) (revents); 319 (revents);
311 } 320 }
312 321
313 // simplest function callback 322 // simplest function callback
314 template<void (*cb)()> 323 template<void (*cb)()>
315 void once (int fd, int events, tstamp timeout) throw () 324 void once (int fd, int events, tstamp timeout) throw ()
316 { 325 {
317 once (fd, events, timeout, simplest_func_thunk<cb>); 326 once (fd, events, timeout, simplest_func_thunk<cb>);
318 } 327 }
319 328
320 template<void (*cb)()> 329 template<void (*cb)()>
321 static void simplest_func_thunk (int revents, void* arg) 330 static void simplest_func_thunk (int revents, void *arg)
322 { 331 {
323 (*cb) (); 332 (*cb)
333 ();
324 } 334 }
325 335
326 void feed_fd_event (int fd, int revents) throw () 336 void feed_fd_event (int fd, int revents) throw ()
327 { 337 {
328 ev_feed_fd_event (EV_AX_ fd, revents); 338 ev_feed_fd_event (EV_AX_ fd, revents);
378#else 388#else
379 !ev_default_loop (flags) 389 !ev_default_loop (flags)
380#endif 390#endif
381 ) 391 )
382 throw bad_loop (); 392 throw bad_loop ();
383 }
384
385 ~default_loop () throw ()
386 {
387 ev_default_destroy ();
388 } 393 }
389 394
390 private: 395 private:
391 default_loop (const default_loop &); 396 default_loop (const default_loop &);
392 default_loop &operator = (const default_loop &); 397 default_loop &operator = (const default_loop &);
418 struct base : ev_watcher 423 struct base : ev_watcher
419 { 424 {
420 #if EV_MULTIPLICITY 425 #if EV_MULTIPLICITY
421 EV_PX; 426 EV_PX;
422 427
428 // loop set
423 void set (EV_PX) throw () 429 void set (EV_P) throw ()
424 { 430 {
425 this->EV_A = EV_A; 431 this->EV_A = EV_A;
426 } 432 }
427 #endif 433 #endif
428 434
432 #endif 438 #endif
433 { 439 {
434 ev_init (this, 0); 440 ev_init (this, 0);
435 } 441 }
436 442
437 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 ()
438 { 444 {
439 this->data = data; 445 this->data = (void *)data;
440 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);
441 } 461 }
442 462
443 // method callback 463 // method callback
444 template<class K, void (K::*method)(watcher &w, int)> 464 template<class K, void (K::*method)(watcher &w, int)>
445 void set (K *object) throw () 465 void set (K *object) throw ()
446 { 466 {
447 set_ (object, method_thunk<K, method>); 467 set_ (object, method_thunk<K, method>);
448 } 468 }
449 469
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
450 template<class K, void (K::*method)(watcher &w, int)> 477 template<class K, void (K::*method)(watcher &w, int)>
451 static void method_thunk (EV_P_ ev_watcher *w, int revents) 478 static void method_thunk (EV_P_ ev_watcher *w, int revents)
452 { 479 {
453 K *obj = static_cast<K *>(w->data); 480 (static_cast<K *>(w->data)->*method)
454 (obj->*method) (*static_cast<watcher *>(w), revents);
455 }
456
457 // const method callback
458 template<class K, void (K::*method)(watcher &w, int) const>
459 void set (const K *object) throw ()
460 {
461 set_ (object, const_method_thunk<K, method>);
462 }
463
464 template<class K, void (K::*method)(watcher &w, int) const>
465 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
466 {
467 K *obj = static_cast<K *>(w->data);
468 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
469 }
470
471 // function callback
472 template<void (*function)(watcher &w, int)>
473 void set (void *data = 0) throw ()
474 {
475 set_ (data, function_thunk<function>);
476 }
477
478 template<void (*function)(watcher &w, int)>
479 static void function_thunk (EV_P_ ev_watcher *w, int revents)
480 {
481 function (*static_cast<watcher *>(w), revents); 481 (*static_cast<watcher *>(w), revents);
482 } 482 }
483 483
484 // simple callback 484 // no-argument callback
485 template<class K, void (K::*method)()> 485 template<class K, void (K::*method)()>
486 void set (K *object) throw () 486 void set (K *object) throw ()
487 { 487 {
488 set_ (object, method_noargs_thunk<K, method>); 488 set_ (object, method_noargs_thunk<K, method>);
489 } 489 }
490 490
491 template<class K, void (K::*method)()> 491 template<class K, void (K::*method)()>
492 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)
493 { 493 {
494 K *obj = static_cast<K *>(w->data); 494 (static_cast<K *>(w->data)->*method)
495 (obj->*method) (); 495 ();
496 } 496 }
497 497
498 void operator ()(int events = EV_UNDEF) 498 void operator ()(int events = EV_UNDEF)
499 { 499 {
500 return
500 return ev_cb (static_cast<ev_watcher *>(this)) 501 ev_cb (static_cast<ev_watcher *>(this))
501 (static_cast<ev_watcher *>(this), events); 502 (static_cast<ev_watcher *>(this), events);
502 } 503 }
503 504
504 bool is_active () const throw () 505 bool is_active () const throw ()
505 { 506 {
506 return ev_is_active (static_cast<const ev_watcher *>(this)); 507 return ev_is_active (static_cast<const ev_watcher *>(this));
652 653
653 void again () throw () 654 void again () throw ()
654 { 655 {
655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
656 } 657 }
658
659 ev_tstamp remaining ()
660 {
661 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
662 }
657 EV_END_WATCHER (timer, timer) 663 EV_END_WATCHER (timer, timer)
658 664
659 #if EV_PERIODIC_ENABLE 665 #if EV_PERIODIC_ENABLE
660 EV_BEGIN_WATCHER (periodic, periodic) 666 EV_BEGIN_WATCHER (periodic, periodic)
661 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 667 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
677 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 683 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
678 } 684 }
679 EV_END_WATCHER (periodic, periodic) 685 EV_END_WATCHER (periodic, periodic)
680 #endif 686 #endif
681 687
688 #if EV_SIGNAL_ENABLE
682 EV_BEGIN_WATCHER (sig, signal) 689 EV_BEGIN_WATCHER (sig, signal)
683 void set (int signum) throw () 690 void set (int signum) throw ()
684 { 691 {
685 int active = is_active (); 692 int active = is_active ();
686 if (active) stop (); 693 if (active) stop ();
692 { 699 {
693 set (signum); 700 set (signum);
694 start (); 701 start ();
695 } 702 }
696 EV_END_WATCHER (sig, signal) 703 EV_END_WATCHER (sig, signal)
704 #endif
697 705
706 #if EV_CHILD_ENABLE
698 EV_BEGIN_WATCHER (child, child) 707 EV_BEGIN_WATCHER (child, child)
699 void set (int pid, int trace = 0) throw () 708 void set (int pid, int trace = 0) throw ()
700 { 709 {
701 int active = is_active (); 710 int active = is_active ();
702 if (active) stop (); 711 if (active) stop ();
708 { 717 {
709 set (pid, trace); 718 set (pid, trace);
710 start (); 719 start ();
711 } 720 }
712 EV_END_WATCHER (child, child) 721 EV_END_WATCHER (child, child)
722 #endif
713 723
714 #if EV_STAT_ENABLE 724 #if EV_STAT_ENABLE
715 EV_BEGIN_WATCHER (stat, stat) 725 EV_BEGIN_WATCHER (stat, stat)
716 void set (const char *path, ev_tstamp interval = 0.) throw () 726 void set (const char *path, ev_tstamp interval = 0.) throw ()
717 { 727 {
733 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 743 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
734 } 744 }
735 EV_END_WATCHER (stat, stat) 745 EV_END_WATCHER (stat, stat)
736 #endif 746 #endif
737 747
748 #if EV_IDLE_ENABLE
738 EV_BEGIN_WATCHER (idle, idle) 749 EV_BEGIN_WATCHER (idle, idle)
739 void set () throw () { } 750 void set () throw () { }
740 EV_END_WATCHER (idle, idle) 751 EV_END_WATCHER (idle, idle)
752 #endif
741 753
754 #if EV_PREPARE_ENABLE
742 EV_BEGIN_WATCHER (prepare, prepare) 755 EV_BEGIN_WATCHER (prepare, prepare)
743 void set () throw () { } 756 void set () throw () { }
744 EV_END_WATCHER (prepare, prepare) 757 EV_END_WATCHER (prepare, prepare)
758 #endif
745 759
760 #if EV_CHECK_ENABLE
746 EV_BEGIN_WATCHER (check, check) 761 EV_BEGIN_WATCHER (check, check)
747 void set () throw () { } 762 void set () throw () { }
748 EV_END_WATCHER (check, check) 763 EV_END_WATCHER (check, check)
764 #endif
749 765
750 #if EV_EMBED_ENABLE 766 #if EV_EMBED_ENABLE
751 EV_BEGIN_WATCHER (embed, embed) 767 EV_BEGIN_WATCHER (embed, embed)
752 void set (struct ev_loop *embedded_loop) throw () 768 void set (struct ev_loop *embedded_loop) throw ()
753 { 769 {
776 EV_END_WATCHER (fork, fork) 792 EV_END_WATCHER (fork, fork)
777 #endif 793 #endif
778 794
779 #if EV_ASYNC_ENABLE 795 #if EV_ASYNC_ENABLE
780 EV_BEGIN_WATCHER (async, async) 796 EV_BEGIN_WATCHER (async, async)
781 void set () throw () { }
782
783 void send () throw () 797 void send () throw ()
784 { 798 {
785 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 799 ev_async_send (EV_A_ static_cast<ev_async *>(this));
786 } 800 }
787 801

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