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Comparing libev/ev++.h (file contents):
Revision 1.42 by root, Mon Nov 3 14:27:06 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) 2007,2008 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 *
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,
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,
77# undef ERROR // some systems stupidly #define ERROR 80# undef ERROR // some systems stupidly #define ERROR
78 ERROR = EV_ERROR, 81 ERROR = EV_ERROR
79 }; 82 };
80 83
81 enum 84 enum
82 { 85 {
83 AUTO = EVFLAG_AUTO, 86 AUTO = EVFLAG_AUTO,
92 PORT = EVBACKEND_PORT 95 PORT = EVBACKEND_PORT
93 }; 96 };
94 97
95 enum 98 enum
96 { 99 {
100#if EV_COMPAT3
97 NONBLOCK = EVLOOP_NONBLOCK, 101 NONBLOCK = EVLOOP_NONBLOCK,
98 ONESHOT = EVLOOP_ONESHOT 102 ONESHOT = EVLOOP_ONESHOT,
103#endif
104 NOWAIT = EVRUN_NOWAIT,
105 ONCE = EVRUN_ONCE
99 }; 106 };
100 107
101 enum how_t 108 enum how_t
102 { 109 {
103 ONE = EVUNLOOP_ONE, 110 ONE = EVBREAK_ONE,
104 ALL = EVUNLOOP_ALL 111 ALL = EVBREAK_ALL
105 }; 112 };
106 113
107 struct bad_loop 114 struct bad_loop
108#if EV_USE_STDEXCEPT 115#if EV_USE_STDEXCEPT
109 : std::runtime_error 116 : std::runtime_error
159 return false; 166 return false;
160#endif 167#endif
161 } 168 }
162 169
163#if EV_MULTIPLICITY 170#if EV_MULTIPLICITY
164 bool operator == (struct ev_loop *other) const throw () 171 bool operator == (const EV_P) const throw ()
165 { 172 {
166 return this->EV_AX == other; 173 return this->EV_AX == EV_A;
167 }
168
169 bool operator != (struct ev_loop *other) const throw ()
170 { 174 }
171 return ! (*this == other); 175
176 bool operator != (const EV_P) const throw ()
172 } 177 {
173
174 bool operator == (const struct ev_loop *other) const throw ()
175 {
176 return this->EV_AX == other;
177 }
178
179 bool operator != (const struct ev_loop *other) const throw ()
180 {
181 return (*this == other); 178 return (*this == EV_A);
182 } 179 }
183 180
184 operator struct ev_loop * () const throw () 181 operator struct ev_loop * () const throw ()
185 { 182 {
186 return EV_AX; 183 return EV_AX;
195 { 192 {
196 return EV_AX == ev_default_loop (0); 193 return EV_AX == ev_default_loop (0);
197 } 194 }
198#endif 195#endif
199 196
197#if EV_COMPAT3
200 void loop (int flags = 0) 198 void loop (int flags = 0)
201 { 199 {
202 ev_loop (EV_AX_ flags); 200 ev_run (EV_AX_ flags);
203 } 201 }
204 202
205 void unloop (how_t how = ONE) throw () 203 void unloop (how_t how = ONE) throw ()
206 { 204 {
207 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);
208 } 217 }
209 218
210 void post_fork () throw () 219 void post_fork () throw ()
211 { 220 {
212#if EV_MULTIPLICITY
213 ev_loop_fork (EV_AX); 221 ev_loop_fork (EV_AX);
214#else
215 ev_default_fork ();
216#endif
217 }
218
219 unsigned int count () const throw ()
220 {
221 return ev_loop_count (EV_AX);
222 } 222 }
223 223
224 unsigned int backend () const throw () 224 unsigned int backend () const throw ()
225 { 225 {
226 return ev_backend (EV_AX); 226 return ev_backend (EV_AX);
239 void unref () throw () 239 void unref () throw ()
240 { 240 {
241 ev_unref (EV_AX); 241 ev_unref (EV_AX);
242 } 242 }
243 243
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
244 void set_io_collect_interval (tstamp interval) throw () 255 void set_io_collect_interval (tstamp interval) throw ()
245 { 256 {
246 ev_set_io_collect_interval (EV_AX_ interval); 257 ev_set_io_collect_interval (EV_AX_ interval);
247 } 258 }
248 259
249 void set_timeout_collect_interval (tstamp interval) throw () 260 void set_timeout_collect_interval (tstamp interval) throw ()
250 { 261 {
251 ev_set_timeout_collect_interval (EV_AX_ interval); 262 ev_set_timeout_collect_interval (EV_AX_ interval);
252 } 263 }
264#endif
253 265
254 // function callback 266 // function callback
255 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 ()
256 { 268 {
257 ev_once (EV_AX_ fd, events, timeout, cb, arg); 269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
258 } 270 }
259 271
260 // method callback 272 // method callback
262 void once (int fd, int events, tstamp timeout, K *object) throw () 274 void once (int fd, int events, tstamp timeout, K *object) throw ()
263 { 275 {
264 once (fd, events, timeout, method_thunk<K, method>, object); 276 once (fd, events, timeout, method_thunk<K, method>, object);
265 } 277 }
266 278
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
267 template<class K, void (K::*method)(int)> 286 template<class K, void (K::*method)(int)>
268 static void method_thunk (int revents, void* arg) 287 static void method_thunk (int revents, void *arg)
269 {
270 K *obj = static_cast<K *>(arg);
271 (obj->*method) (revents);
272 } 288 {
289 static_cast<K *>(arg)->*method
290 (revents);
291 }
273 292
274 // const method callback 293 // no-argument method callback
275 template<class K, void (K::*method)(int) const>
276 void once (int fd, int events, tstamp timeout, const K *object) throw ()
277 {
278 once (fd, events, timeout, const_method_thunk<K, method>, object);
279 }
280
281 template<class K, void (K::*method)(int) const>
282 static void const_method_thunk (int revents, void* arg)
283 {
284 K *obj = static_cast<K *>(arg);
285 (obj->*method) (revents);
286 }
287
288 // simple method callback
289 template<class K, void (K::*method)()> 294 template<class K, void (K::*method)()>
290 void once (int fd, int events, tstamp timeout, K *object) throw () 295 void once (int fd, int events, tstamp timeout, K *object) throw ()
291 { 296 {
292 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
293 } 298 }
294 299
295 template<class K, void (K::*method)()> 300 template<class K, void (K::*method)()>
296 static void method_noargs_thunk (int revents, void* arg) 301 static void method_noargs_thunk (int revents, void *arg)
297 { 302 {
298 K *obj = static_cast<K *>(arg); 303 static_cast<K *>(arg)->*method
299 (obj->*method) (); 304 ();
300 } 305 }
301 306
302 // simpler function callback 307 // simpler function callback
303 template<void (*cb)(int)> 308 template<void (*cb)(int)>
304 void once (int fd, int events, tstamp timeout) throw () 309 void once (int fd, int events, tstamp timeout) throw ()
305 { 310 {
306 once (fd, events, timeout, simpler_func_thunk<cb>); 311 once (fd, events, timeout, simpler_func_thunk<cb>);
307 } 312 }
308 313
309 template<void (*cb)(int)> 314 template<void (*cb)(int)>
310 static void simpler_func_thunk (int revents, void* arg) 315 static void simpler_func_thunk (int revents, void *arg)
311 { 316 {
317 (*cb)
312 (*cb) (revents); 318 (revents);
313 } 319 }
314 320
315 // simplest function callback 321 // simplest function callback
316 template<void (*cb)()> 322 template<void (*cb)()>
317 void once (int fd, int events, tstamp timeout) throw () 323 void once (int fd, int events, tstamp timeout) throw ()
318 { 324 {
319 once (fd, events, timeout, simplest_func_thunk<cb>); 325 once (fd, events, timeout, simplest_func_thunk<cb>);
320 } 326 }
321 327
322 template<void (*cb)()> 328 template<void (*cb)()>
323 static void simplest_func_thunk (int revents, void* arg) 329 static void simplest_func_thunk (int revents, void *arg)
324 { 330 {
325 (*cb) (); 331 (*cb)
332 ();
326 } 333 }
327 334
328 void feed_fd_event (int fd, int revents) throw () 335 void feed_fd_event (int fd, int revents) throw ()
329 { 336 {
330 ev_feed_fd_event (EV_AX_ fd, revents); 337 ev_feed_fd_event (EV_AX_ fd, revents);
380#else 387#else
381 !ev_default_loop (flags) 388 !ev_default_loop (flags)
382#endif 389#endif
383 ) 390 )
384 throw bad_loop (); 391 throw bad_loop ();
385 }
386
387 ~default_loop () throw ()
388 {
389 ev_default_destroy ();
390 } 392 }
391 393
392 private: 394 private:
393 default_loop (const default_loop &); 395 default_loop (const default_loop &);
394 default_loop &operator = (const default_loop &); 396 default_loop &operator = (const default_loop &);
420 struct base : ev_watcher 422 struct base : ev_watcher
421 { 423 {
422 #if EV_MULTIPLICITY 424 #if EV_MULTIPLICITY
423 EV_PX; 425 EV_PX;
424 426
427 // loop set
425 void set (EV_PX) throw () 428 void set (EV_P) throw ()
426 { 429 {
427 this->EV_A = EV_A; 430 this->EV_A = EV_A;
428 } 431 }
429 #endif 432 #endif
430 433
434 #endif 437 #endif
435 { 438 {
436 ev_init (this, 0); 439 ev_init (this, 0);
437 } 440 }
438 441
439 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 ()
440 { 443 {
441 this->data = data; 444 this->data = (void *)data;
442 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);
443 } 460 }
444 461
445 // method callback 462 // method callback
446 template<class K, void (K::*method)(watcher &w, int)> 463 template<class K, void (K::*method)(watcher &w, int)>
447 void set (K *object) throw () 464 void set (K *object) throw ()
448 { 465 {
449 set_ (object, method_thunk<K, method>); 466 set_ (object, method_thunk<K, method>);
450 } 467 }
451 468
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
452 template<class K, void (K::*method)(watcher &w, int)> 476 template<class K, void (K::*method)(watcher &w, int)>
453 static void method_thunk (EV_P_ ev_watcher *w, int revents) 477 static void method_thunk (EV_P_ ev_watcher *w, int revents)
454 { 478 {
455 K *obj = static_cast<K *>(w->data); 479 (static_cast<K *>(w->data)->*method)
456 (obj->*method) (*static_cast<watcher *>(w), revents);
457 }
458
459 // const method callback
460 template<class K, void (K::*method)(watcher &w, int) const>
461 void set (const K *object) throw ()
462 {
463 set_ (object, const_method_thunk<K, method>);
464 }
465
466 template<class K, void (K::*method)(watcher &w, int) const>
467 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
468 {
469 K *obj = static_cast<K *>(w->data);
470 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
471 }
472
473 // function callback
474 template<void (*function)(watcher &w, int)>
475 void set (void *data = 0) throw ()
476 {
477 set_ (data, function_thunk<function>);
478 }
479
480 template<void (*function)(watcher &w, int)>
481 static void function_thunk (EV_P_ ev_watcher *w, int revents)
482 {
483 function (*static_cast<watcher *>(w), revents); 480 (*static_cast<watcher *>(w), revents);
484 } 481 }
485 482
486 // simple callback 483 // no-argument callback
487 template<class K, void (K::*method)()> 484 template<class K, void (K::*method)()>
488 void set (K *object) throw () 485 void set (K *object) throw ()
489 { 486 {
490 set_ (object, method_noargs_thunk<K, method>); 487 set_ (object, method_noargs_thunk<K, method>);
491 } 488 }
492 489
493 template<class K, void (K::*method)()> 490 template<class K, void (K::*method)()>
494 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)
495 { 492 {
496 K *obj = static_cast<K *>(w->data); 493 (static_cast<K *>(w->data)->*method)
497 (obj->*method) (); 494 ();
498 } 495 }
499 496
500 void operator ()(int events = EV_UNDEF) 497 void operator ()(int events = EV_UNDEF)
501 { 498 {
499 return
502 return ev_cb (static_cast<ev_watcher *>(this)) 500 ev_cb (static_cast<ev_watcher *>(this))
503 (static_cast<ev_watcher *>(this), events); 501 (static_cast<ev_watcher *>(this), events);
504 } 502 }
505 503
506 bool is_active () const throw () 504 bool is_active () const throw ()
507 { 505 {
508 return ev_is_active (static_cast<const ev_watcher *>(this)); 506 return ev_is_active (static_cast<const ev_watcher *>(this));
654 652
655 void again () throw () 653 void again () throw ()
656 { 654 {
657 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
658 } 656 }
657
658 ev_tstamp remaining ()
659 {
660 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
661 }
659 EV_END_WATCHER (timer, timer) 662 EV_END_WATCHER (timer, timer)
660 663
661 #if EV_PERIODIC_ENABLE 664 #if EV_PERIODIC_ENABLE
662 EV_BEGIN_WATCHER (periodic, periodic) 665 EV_BEGIN_WATCHER (periodic, periodic)
663 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 666 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
679 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 682 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
680 } 683 }
681 EV_END_WATCHER (periodic, periodic) 684 EV_END_WATCHER (periodic, periodic)
682 #endif 685 #endif
683 686
687 #if EV_SIGNAL_ENABLE
684 EV_BEGIN_WATCHER (sig, signal) 688 EV_BEGIN_WATCHER (sig, signal)
685 void set (int signum) throw () 689 void set (int signum) throw ()
686 { 690 {
687 int active = is_active (); 691 int active = is_active ();
688 if (active) stop (); 692 if (active) stop ();
694 { 698 {
695 set (signum); 699 set (signum);
696 start (); 700 start ();
697 } 701 }
698 EV_END_WATCHER (sig, signal) 702 EV_END_WATCHER (sig, signal)
703 #endif
699 704
705 #if EV_CHILD_ENABLE
700 EV_BEGIN_WATCHER (child, child) 706 EV_BEGIN_WATCHER (child, child)
701 void set (int pid, int trace = 0) throw () 707 void set (int pid, int trace = 0) throw ()
702 { 708 {
703 int active = is_active (); 709 int active = is_active ();
704 if (active) stop (); 710 if (active) stop ();
710 { 716 {
711 set (pid, trace); 717 set (pid, trace);
712 start (); 718 start ();
713 } 719 }
714 EV_END_WATCHER (child, child) 720 EV_END_WATCHER (child, child)
721 #endif
715 722
716 #if EV_STAT_ENABLE 723 #if EV_STAT_ENABLE
717 EV_BEGIN_WATCHER (stat, stat) 724 EV_BEGIN_WATCHER (stat, stat)
718 void set (const char *path, ev_tstamp interval = 0.) throw () 725 void set (const char *path, ev_tstamp interval = 0.) throw ()
719 { 726 {
735 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 742 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
736 } 743 }
737 EV_END_WATCHER (stat, stat) 744 EV_END_WATCHER (stat, stat)
738 #endif 745 #endif
739 746
747 #if EV_IDLE_ENABLE
740 EV_BEGIN_WATCHER (idle, idle) 748 EV_BEGIN_WATCHER (idle, idle)
741 void set () throw () { } 749 void set () throw () { }
742 EV_END_WATCHER (idle, idle) 750 EV_END_WATCHER (idle, idle)
751 #endif
743 752
753 #if EV_PREPARE_ENABLE
744 EV_BEGIN_WATCHER (prepare, prepare) 754 EV_BEGIN_WATCHER (prepare, prepare)
745 void set () throw () { } 755 void set () throw () { }
746 EV_END_WATCHER (prepare, prepare) 756 EV_END_WATCHER (prepare, prepare)
757 #endif
747 758
759 #if EV_CHECK_ENABLE
748 EV_BEGIN_WATCHER (check, check) 760 EV_BEGIN_WATCHER (check, check)
749 void set () throw () { } 761 void set () throw () { }
750 EV_END_WATCHER (check, check) 762 EV_END_WATCHER (check, check)
763 #endif
751 764
752 #if EV_EMBED_ENABLE 765 #if EV_EMBED_ENABLE
753 EV_BEGIN_WATCHER (embed, embed) 766 EV_BEGIN_WATCHER (embed, embed)
754 void set (struct ev_loop *embedded_loop) throw () 767 void set (struct ev_loop *embedded_loop) throw ()
755 { 768 {
778 EV_END_WATCHER (fork, fork) 791 EV_END_WATCHER (fork, fork)
779 #endif 792 #endif
780 793
781 #if EV_ASYNC_ENABLE 794 #if EV_ASYNC_ENABLE
782 EV_BEGIN_WATCHER (async, async) 795 EV_BEGIN_WATCHER (async, async)
783 void set () throw () { }
784
785 void send () throw () 796 void send () throw ()
786 { 797 {
787 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 798 ev_async_send (EV_A_ static_cast<ev_async *>(this));
788 } 799 }
789 800

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