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Comparing libev/ev++.h (file contents):
Revision 1.39 by root, Tue Apr 15 04:34:07 2008 UTC vs.
Revision 1.56 by root, Thu Oct 28 04:55:19 2010 UTC

1/* 1/*
2 * libev simple C++ wrapper classes 2 * libev simple C++ wrapper classes
3 * 3 *
4 * Copyright (c) 2007 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 *
61 enum { 61 enum {
62 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
63 NONE = EV_NONE, 63 NONE = EV_NONE,
64 READ = EV_READ, 64 READ = EV_READ,
65 WRITE = EV_WRITE, 65 WRITE = EV_WRITE,
66#if EV_COMPAT3
66 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
68#endif
69 TIMER = EV_TIMER,
67 PERIODIC = EV_PERIODIC, 70 PERIODIC = EV_PERIODIC,
68 SIGNAL = EV_SIGNAL, 71 SIGNAL = EV_SIGNAL,
69 CHILD = EV_CHILD, 72 CHILD = EV_CHILD,
70 STAT = EV_STAT, 73 STAT = EV_STAT,
71 IDLE = EV_IDLE, 74 IDLE = EV_IDLE,
72 CHECK = EV_CHECK, 75 CHECK = EV_CHECK,
73 PREPARE = EV_PREPARE, 76 PREPARE = EV_PREPARE,
74 FORK = EV_FORK, 77 FORK = EV_FORK,
75 ASYNC = EV_ASYNC, 78 ASYNC = EV_ASYNC,
76 EMBED = EV_EMBED, 79 EMBED = EV_EMBED,
80# undef ERROR // some systems stupidly #define ERROR
77 ERROR = EV_ERROR, 81 ERROR = EV_ERROR
78 }; 82 };
79 83
80 enum 84 enum
81 { 85 {
82 AUTO = EVFLAG_AUTO, 86 AUTO = EVFLAG_AUTO,
83 NOENV = EVFLAG_NOENV, 87 NOENV = EVFLAG_NOENV,
84 FORKCHECK = EVFLAG_FORKCHECK, 88 FORKCHECK = EVFLAG_FORKCHECK,
89
85 SELECT = EVBACKEND_SELECT, 90 SELECT = EVBACKEND_SELECT,
86 POLL = EVBACKEND_POLL, 91 POLL = EVBACKEND_POLL,
87 EPOLL = EVBACKEND_EPOLL, 92 EPOLL = EVBACKEND_EPOLL,
88 KQUEUE = EVBACKEND_KQUEUE, 93 KQUEUE = EVBACKEND_KQUEUE,
89 DEVPOLL = EVBACKEND_DEVPOLL, 94 DEVPOLL = EVBACKEND_DEVPOLL,
90 PORT = EVBACKEND_PORT 95 PORT = EVBACKEND_PORT
91 }; 96 };
92 97
93 enum 98 enum
94 { 99 {
100#if EV_COMPAT3
95 NONBLOCK = EVLOOP_NONBLOCK, 101 NONBLOCK = EVLOOP_NONBLOCK,
96 ONESHOT = EVLOOP_ONESHOT 102 ONESHOT = EVLOOP_ONESHOT,
103#endif
104 NOWAIT = EVRUN_NOWAIT,
105 ONCE = EVRUN_ONCE
97 }; 106 };
98 107
99 enum how_t 108 enum how_t
100 { 109 {
101 ONE = EVUNLOOP_ONE, 110 ONE = EVBREAK_ONE,
102 ALL = EVUNLOOP_ALL 111 ALL = EVBREAK_ALL
103 }; 112 };
104 113
105 struct bad_loop 114 struct bad_loop
106#if EV_USE_STDEXCEPT 115#if EV_USE_STDEXCEPT
107 : std::runtime_error 116 : std::runtime_error
157 return false; 166 return false;
158#endif 167#endif
159 } 168 }
160 169
161#if EV_MULTIPLICITY 170#if EV_MULTIPLICITY
162 bool operator == (struct ev_loop *other) const throw () 171 bool operator == (const EV_P) const throw ()
163 { 172 {
164 return this->EV_AX == other; 173 return this->EV_AX == EV_A;
165 }
166
167 bool operator != (struct ev_loop *other) const throw ()
168 { 174 }
169 return ! (*this == other); 175
176 bool operator != (const EV_P) const throw ()
170 } 177 {
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); 178 return (*this == EV_A);
180 } 179 }
181 180
182 operator struct ev_loop * () const throw () 181 operator struct ev_loop * () const throw ()
183 { 182 {
184 return EV_AX; 183 return EV_AX;
193 { 192 {
194 return EV_AX == ev_default_loop (0); 193 return EV_AX == ev_default_loop (0);
195 } 194 }
196#endif 195#endif
197 196
197#if EV_COMPAT3
198 void loop (int flags = 0) 198 void loop (int flags = 0)
199 { 199 {
200 ev_loop (EV_AX_ flags); 200 ev_run (EV_AX_ flags);
201 } 201 }
202 202
203 void unloop (how_t how = ONE) throw () 203 void unloop (how_t how = ONE) throw ()
204 { 204 {
205 ev_unloop (EV_AX_ how); 205 ev_break (EV_AX_ how);
206 }
207#endif
208
209 void run (int flags = 0)
210 {
211 ev_run (EV_AX_ flags);
212 }
213
214 void break_loop (how_t how = ONE) throw ()
215 {
216 ev_break (EV_AX_ how);
206 } 217 }
207 218
208 void post_fork () throw () 219 void post_fork () throw ()
209 { 220 {
210#if EV_MULTIPLICITY
211 ev_loop_fork (EV_AX); 221 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 } 222 }
221 223
222 unsigned int backend () const throw () 224 unsigned int backend () const throw ()
223 { 225 {
224 return ev_backend (EV_AX); 226 return ev_backend (EV_AX);
237 void unref () throw () 239 void unref () throw ()
238 { 240 {
239 ev_unref (EV_AX); 241 ev_unref (EV_AX);
240 } 242 }
241 243
244#if EV_FEATURE_API
245 unsigned int iteration () const throw ()
246 {
247 return ev_iteration (EV_AX);
248 }
249
250 unsigned int depth () const throw ()
251 {
252 return ev_depth (EV_AX);
253 }
254
242 void set_io_collect_interval (tstamp interval) throw () 255 void set_io_collect_interval (tstamp interval) throw ()
243 { 256 {
244 ev_set_io_collect_interval (EV_AX_ interval); 257 ev_set_io_collect_interval (EV_AX_ interval);
245 } 258 }
246 259
247 void set_timeout_collect_interval (tstamp interval) throw () 260 void set_timeout_collect_interval (tstamp interval) throw ()
248 { 261 {
249 ev_set_timeout_collect_interval (EV_AX_ interval); 262 ev_set_timeout_collect_interval (EV_AX_ interval);
250 } 263 }
264#endif
251 265
252 // function callback 266 // function callback
253 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw () 267 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
254 { 268 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg); 269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 } 270 }
257 271
258 // method callback 272 // method callback
260 void once (int fd, int events, tstamp timeout, K *object) throw () 274 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 { 275 {
262 once (fd, events, timeout, method_thunk<K, method>, object); 276 once (fd, events, timeout, method_thunk<K, method>, object);
263 } 277 }
264 278
279 // default method == operator ()
280 template<class K>
281 void once (int fd, int events, tstamp timeout, K *object) throw ()
282 {
283 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
284 }
285
265 template<class K, void (K::*method)(int)> 286 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void* arg) 287 static void method_thunk (int revents, void *arg)
267 {
268 K *obj = static_cast<K *>(arg);
269 (obj->*method) (revents);
270 } 288 {
289 static_cast<K *>(arg)->*method
290 (revents);
291 }
271 292
272 // const method callback 293 // 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)()> 294 template<class K, void (K::*method)()>
288 void once (int fd, int events, tstamp timeout, K *object) throw () 295 void once (int fd, int events, tstamp timeout, K *object) throw ()
289 { 296 {
290 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
291 } 298 }
292 299
293 template<class K, void (K::*method)()> 300 template<class K, void (K::*method)()>
294 static void method_noargs_thunk (int revents, void* arg) 301 static void method_noargs_thunk (int revents, void *arg)
295 { 302 {
296 K *obj = static_cast<K *>(arg); 303 static_cast<K *>(arg)->*method
297 (obj->*method) (); 304 ();
298 } 305 }
299 306
300 // simpler function callback 307 // simpler function callback
301 template<void (*cb)(int)> 308 template<void (*cb)(int)>
302 void once (int fd, int events, tstamp timeout) throw () 309 void once (int fd, int events, tstamp timeout) throw ()
303 { 310 {
304 once (fd, events, timeout, simpler_func_thunk<cb>); 311 once (fd, events, timeout, simpler_func_thunk<cb>);
305 } 312 }
306 313
307 template<void (*cb)(int)> 314 template<void (*cb)(int)>
308 static void simpler_func_thunk (int revents, void* arg) 315 static void simpler_func_thunk (int revents, void *arg)
309 { 316 {
317 (*cb)
310 (*cb) (revents); 318 (revents);
311 } 319 }
312 320
313 // simplest function callback 321 // simplest function callback
314 template<void (*cb)()> 322 template<void (*cb)()>
315 void once (int fd, int events, tstamp timeout) throw () 323 void once (int fd, int events, tstamp timeout) throw ()
316 { 324 {
317 once (fd, events, timeout, simplest_func_thunk<cb>); 325 once (fd, events, timeout, simplest_func_thunk<cb>);
318 } 326 }
319 327
320 template<void (*cb)()> 328 template<void (*cb)()>
321 static void simplest_func_thunk (int revents, void* arg) 329 static void simplest_func_thunk (int revents, void *arg)
322 { 330 {
323 (*cb) (); 331 (*cb)
332 ();
324 } 333 }
325 334
326 void feed_fd_event (int fd, int revents) throw () 335 void feed_fd_event (int fd, int revents) throw ()
327 { 336 {
328 ev_feed_fd_event (EV_AX_ fd, revents); 337 ev_feed_fd_event (EV_AX_ fd, revents);
378#else 387#else
379 !ev_default_loop (flags) 388 !ev_default_loop (flags)
380#endif 389#endif
381 ) 390 )
382 throw bad_loop (); 391 throw bad_loop ();
383 }
384
385 ~default_loop () throw ()
386 {
387 ev_default_destroy ();
388 } 392 }
389 393
390 private: 394 private:
391 default_loop (const default_loop &); 395 default_loop (const default_loop &);
392 default_loop &operator = (const default_loop &); 396 default_loop &operator = (const default_loop &);
418 struct base : ev_watcher 422 struct base : ev_watcher
419 { 423 {
420 #if EV_MULTIPLICITY 424 #if EV_MULTIPLICITY
421 EV_PX; 425 EV_PX;
422 426
427 // loop set
423 void set (EV_PX) throw () 428 void set (EV_P) throw ()
424 { 429 {
425 this->EV_A = EV_A; 430 this->EV_A = EV_A;
426 } 431 }
427 #endif 432 #endif
428 433
432 #endif 437 #endif
433 { 438 {
434 ev_init (this, 0); 439 ev_init (this, 0);
435 } 440 }
436 441
437 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw () 442 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
438 { 443 {
439 this->data = data; 444 this->data = (void *)data;
440 ev_set_cb (static_cast<ev_watcher *>(this), cb); 445 ev_set_cb (static_cast<ev_watcher *>(this), cb);
446 }
447
448 // function callback
449 template<void (*function)(watcher &w, int)>
450 void set (void *data = 0) throw ()
451 {
452 set_ (data, function_thunk<function>);
453 }
454
455 template<void (*function)(watcher &w, int)>
456 static void function_thunk (EV_P_ ev_watcher *w, int revents)
457 {
458 function
459 (*static_cast<watcher *>(w), revents);
441 } 460 }
442 461
443 // method callback 462 // method callback
444 template<class K, void (K::*method)(watcher &w, int)> 463 template<class K, void (K::*method)(watcher &w, int)>
445 void set (K *object) throw () 464 void set (K *object) throw ()
446 { 465 {
447 set_ (object, method_thunk<K, method>); 466 set_ (object, method_thunk<K, method>);
448 } 467 }
449 468
469 // default method == operator ()
470 template<class K>
471 void set (K *object) throw ()
472 {
473 set_ (object, method_thunk<K, &K::operator ()>);
474 }
475
450 template<class K, void (K::*method)(watcher &w, int)> 476 template<class K, void (K::*method)(watcher &w, int)>
451 static void method_thunk (EV_P_ ev_watcher *w, int revents) 477 static void method_thunk (EV_P_ ev_watcher *w, int revents)
452 { 478 {
453 K *obj = static_cast<K *>(w->data); 479 (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); 480 (*static_cast<watcher *>(w), revents);
482 } 481 }
483 482
484 // simple callback 483 // no-argument callback
485 template<class K, void (K::*method)()> 484 template<class K, void (K::*method)()>
486 void set (K *object) throw () 485 void set (K *object) throw ()
487 { 486 {
488 set_ (object, method_noargs_thunk<K, method>); 487 set_ (object, method_noargs_thunk<K, method>);
489 } 488 }
490 489
491 template<class K, void (K::*method)()> 490 template<class K, void (K::*method)()>
492 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) 491 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
493 { 492 {
494 K *obj = static_cast<K *>(w->data); 493 (static_cast<K *>(w->data)->*method)
495 (obj->*method) (); 494 ();
496 } 495 }
497 496
498 void operator ()(int events = EV_UNDEF) 497 void operator ()(int events = EV_UNDEF)
499 { 498 {
499 return
500 return ev_cb (static_cast<ev_watcher *>(this)) 500 ev_cb (static_cast<ev_watcher *>(this))
501 (static_cast<ev_watcher *>(this), events); 501 (static_cast<ev_watcher *>(this), events);
502 } 502 }
503 503
504 bool is_active () const throw () 504 bool is_active () const throw ()
505 { 505 {
506 return ev_is_active (static_cast<const ev_watcher *>(this)); 506 return ev_is_active (static_cast<const ev_watcher *>(this));
652 652
653 void again () throw () 653 void again () throw ()
654 { 654 {
655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
656 } 656 }
657
658 ev_tstamp remaining ()
659 {
660 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
661 }
657 EV_END_WATCHER (timer, timer) 662 EV_END_WATCHER (timer, timer)
658 663
659 #if EV_PERIODIC_ENABLE 664 #if EV_PERIODIC_ENABLE
660 EV_BEGIN_WATCHER (periodic, periodic) 665 EV_BEGIN_WATCHER (periodic, periodic)
661 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 666 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
677 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 682 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
678 } 683 }
679 EV_END_WATCHER (periodic, periodic) 684 EV_END_WATCHER (periodic, periodic)
680 #endif 685 #endif
681 686
687 #if EV_SIGNAL_ENABLE
682 EV_BEGIN_WATCHER (sig, signal) 688 EV_BEGIN_WATCHER (sig, signal)
683 void set (int signum) throw () 689 void set (int signum) throw ()
684 { 690 {
685 int active = is_active (); 691 int active = is_active ();
686 if (active) stop (); 692 if (active) stop ();
692 { 698 {
693 set (signum); 699 set (signum);
694 start (); 700 start ();
695 } 701 }
696 EV_END_WATCHER (sig, signal) 702 EV_END_WATCHER (sig, signal)
703 #endif
697 704
705 #if EV_CHILD_ENABLE
698 EV_BEGIN_WATCHER (child, child) 706 EV_BEGIN_WATCHER (child, child)
699 void set (int pid, int trace = 0) throw () 707 void set (int pid, int trace = 0) throw ()
700 { 708 {
701 int active = is_active (); 709 int active = is_active ();
702 if (active) stop (); 710 if (active) stop ();
708 { 716 {
709 set (pid, trace); 717 set (pid, trace);
710 start (); 718 start ();
711 } 719 }
712 EV_END_WATCHER (child, child) 720 EV_END_WATCHER (child, child)
721 #endif
713 722
714 #if EV_STAT_ENABLE 723 #if EV_STAT_ENABLE
715 EV_BEGIN_WATCHER (stat, stat) 724 EV_BEGIN_WATCHER (stat, stat)
716 void set (const char *path, ev_tstamp interval = 0.) throw () 725 void set (const char *path, ev_tstamp interval = 0.) throw ()
717 { 726 {
733 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 742 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
734 } 743 }
735 EV_END_WATCHER (stat, stat) 744 EV_END_WATCHER (stat, stat)
736 #endif 745 #endif
737 746
747 #if EV_IDLE_ENABLE
738 EV_BEGIN_WATCHER (idle, idle) 748 EV_BEGIN_WATCHER (idle, idle)
739 void set () throw () { } 749 void set () throw () { }
740 EV_END_WATCHER (idle, idle) 750 EV_END_WATCHER (idle, idle)
751 #endif
741 752
753 #if EV_PREPARE_ENABLE
742 EV_BEGIN_WATCHER (prepare, prepare) 754 EV_BEGIN_WATCHER (prepare, prepare)
743 void set () throw () { } 755 void set () throw () { }
744 EV_END_WATCHER (prepare, prepare) 756 EV_END_WATCHER (prepare, prepare)
757 #endif
745 758
759 #if EV_CHECK_ENABLE
746 EV_BEGIN_WATCHER (check, check) 760 EV_BEGIN_WATCHER (check, check)
747 void set () throw () { } 761 void set () throw () { }
748 EV_END_WATCHER (check, check) 762 EV_END_WATCHER (check, check)
763 #endif
749 764
750 #if EV_EMBED_ENABLE 765 #if EV_EMBED_ENABLE
751 EV_BEGIN_WATCHER (embed, embed) 766 EV_BEGIN_WATCHER (embed, embed)
752 void set (struct ev_loop *embedded_loop) throw () 767 void set (struct ev_loop *embedded_loop) throw ()
753 { 768 {
776 EV_END_WATCHER (fork, fork) 791 EV_END_WATCHER (fork, fork)
777 #endif 792 #endif
778 793
779 #if EV_ASYNC_ENABLE 794 #if EV_ASYNC_ENABLE
780 EV_BEGIN_WATCHER (async, async) 795 EV_BEGIN_WATCHER (async, async)
781 void set () throw () { }
782
783 void send () throw () 796 void send () throw ()
784 { 797 {
785 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 798 ev_async_send (EV_A_ static_cast<ev_async *>(this));
786 } 799 }
787 800

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