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Comparing libev/ev++.h (file contents):
Revision 1.41 by root, Tue Sep 30 18:35:47 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,
91 PORT = EVBACKEND_PORT 96 PORT = EVBACKEND_PORT
92 }; 97 };
93 98
94 enum 99 enum
95 { 100 {
101#if EV_COMPAT3
96 NONBLOCK = EVLOOP_NONBLOCK, 102 NONBLOCK = EVLOOP_NONBLOCK,
97 ONESHOT = EVLOOP_ONESHOT 103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
98 }; 107 };
99 108
100 enum how_t 109 enum how_t
101 { 110 {
102 ONE = EVUNLOOP_ONE, 111 ONE = EVBREAK_ONE,
103 ALL = EVUNLOOP_ALL 112 ALL = EVBREAK_ALL
104 }; 113 };
105 114
106 struct bad_loop 115 struct bad_loop
107#if EV_USE_STDEXCEPT 116#if EV_USE_STDEXCEPT
108 : std::runtime_error 117 : std::runtime_error
158 return false; 167 return false;
159#endif 168#endif
160 } 169 }
161 170
162#if EV_MULTIPLICITY 171#if EV_MULTIPLICITY
163 bool operator == (struct ev_loop *other) const throw () 172 bool operator == (const EV_P) const throw ()
164 { 173 {
165 return this->EV_AX == other; 174 return this->EV_AX == EV_A;
166 }
167
168 bool operator != (struct ev_loop *other) const throw ()
169 { 175 }
170 return ! (*this == other); 176
177 bool operator != (const EV_P) const throw ()
171 } 178 {
172
173 bool operator == (const struct ev_loop *other) const throw ()
174 {
175 return this->EV_AX == other;
176 }
177
178 bool operator != (const struct ev_loop *other) const throw ()
179 {
180 return (*this == other); 179 return (*this == EV_A);
181 } 180 }
182 181
183 operator struct ev_loop * () const throw () 182 operator struct ev_loop * () const throw ()
184 { 183 {
185 return EV_AX; 184 return EV_AX;
194 { 193 {
195 return EV_AX == ev_default_loop (0); 194 return EV_AX == ev_default_loop (0);
196 } 195 }
197#endif 196#endif
198 197
198#if EV_COMPAT3
199 void loop (int flags = 0) 199 void loop (int flags = 0)
200 { 200 {
201 ev_loop (EV_AX_ flags); 201 ev_run (EV_AX_ flags);
202 } 202 }
203 203
204 void unloop (how_t how = ONE) throw () 204 void unloop (how_t how = ONE) throw ()
205 { 205 {
206 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);
207 } 218 }
208 219
209 void post_fork () throw () 220 void post_fork () throw ()
210 { 221 {
211#if EV_MULTIPLICITY
212 ev_loop_fork (EV_AX); 222 ev_loop_fork (EV_AX);
213#else
214 ev_default_fork ();
215#endif
216 }
217
218 unsigned int count () const throw ()
219 {
220 return ev_loop_count (EV_AX);
221 } 223 }
222 224
223 unsigned int backend () const throw () 225 unsigned int backend () const throw ()
224 { 226 {
225 return ev_backend (EV_AX); 227 return ev_backend (EV_AX);
238 void unref () throw () 240 void unref () throw ()
239 { 241 {
240 ev_unref (EV_AX); 242 ev_unref (EV_AX);
241 } 243 }
242 244
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
243 void set_io_collect_interval (tstamp interval) throw () 256 void set_io_collect_interval (tstamp interval) throw ()
244 { 257 {
245 ev_set_io_collect_interval (EV_AX_ interval); 258 ev_set_io_collect_interval (EV_AX_ interval);
246 } 259 }
247 260
248 void set_timeout_collect_interval (tstamp interval) throw () 261 void set_timeout_collect_interval (tstamp interval) throw ()
249 { 262 {
250 ev_set_timeout_collect_interval (EV_AX_ interval); 263 ev_set_timeout_collect_interval (EV_AX_ interval);
251 } 264 }
265#endif
252 266
253 // function callback 267 // function callback
254 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 ()
255 { 269 {
256 ev_once (EV_AX_ fd, events, timeout, cb, arg); 270 ev_once (EV_AX_ fd, events, timeout, cb, arg);
257 } 271 }
258 272
259 // method callback 273 // method callback
261 void once (int fd, int events, tstamp timeout, K *object) throw () 275 void once (int fd, int events, tstamp timeout, K *object) throw ()
262 { 276 {
263 once (fd, events, timeout, method_thunk<K, method>, object); 277 once (fd, events, timeout, method_thunk<K, method>, object);
264 } 278 }
265 279
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
266 template<class K, void (K::*method)(int)> 287 template<class K, void (K::*method)(int)>
267 static void method_thunk (int revents, void* arg) 288 static void method_thunk (int revents, void *arg)
268 {
269 K *obj = static_cast<K *>(arg);
270 (obj->*method) (revents);
271 } 289 {
290 static_cast<K *>(arg)->*method
291 (revents);
292 }
272 293
273 // const method callback 294 // no-argument method callback
274 template<class K, void (K::*method)(int) const>
275 void once (int fd, int events, tstamp timeout, const K *object) throw ()
276 {
277 once (fd, events, timeout, const_method_thunk<K, method>, object);
278 }
279
280 template<class K, void (K::*method)(int) const>
281 static void const_method_thunk (int revents, void* arg)
282 {
283 K *obj = static_cast<K *>(arg);
284 (obj->*method) (revents);
285 }
286
287 // simple method callback
288 template<class K, void (K::*method)()> 295 template<class K, void (K::*method)()>
289 void once (int fd, int events, tstamp timeout, K *object) throw () 296 void once (int fd, int events, tstamp timeout, K *object) throw ()
290 { 297 {
291 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 298 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
292 } 299 }
293 300
294 template<class K, void (K::*method)()> 301 template<class K, void (K::*method)()>
295 static void method_noargs_thunk (int revents, void* arg) 302 static void method_noargs_thunk (int revents, void *arg)
296 { 303 {
297 K *obj = static_cast<K *>(arg); 304 static_cast<K *>(arg)->*method
298 (obj->*method) (); 305 ();
299 } 306 }
300 307
301 // simpler function callback 308 // simpler function callback
302 template<void (*cb)(int)> 309 template<void (*cb)(int)>
303 void once (int fd, int events, tstamp timeout) throw () 310 void once (int fd, int events, tstamp timeout) throw ()
304 { 311 {
305 once (fd, events, timeout, simpler_func_thunk<cb>); 312 once (fd, events, timeout, simpler_func_thunk<cb>);
306 } 313 }
307 314
308 template<void (*cb)(int)> 315 template<void (*cb)(int)>
309 static void simpler_func_thunk (int revents, void* arg) 316 static void simpler_func_thunk (int revents, void *arg)
310 { 317 {
318 (*cb)
311 (*cb) (revents); 319 (revents);
312 } 320 }
313 321
314 // simplest function callback 322 // simplest function callback
315 template<void (*cb)()> 323 template<void (*cb)()>
316 void once (int fd, int events, tstamp timeout) throw () 324 void once (int fd, int events, tstamp timeout) throw ()
317 { 325 {
318 once (fd, events, timeout, simplest_func_thunk<cb>); 326 once (fd, events, timeout, simplest_func_thunk<cb>);
319 } 327 }
320 328
321 template<void (*cb)()> 329 template<void (*cb)()>
322 static void simplest_func_thunk (int revents, void* arg) 330 static void simplest_func_thunk (int revents, void *arg)
323 { 331 {
324 (*cb) (); 332 (*cb)
333 ();
325 } 334 }
326 335
327 void feed_fd_event (int fd, int revents) throw () 336 void feed_fd_event (int fd, int revents) throw ()
328 { 337 {
329 ev_feed_fd_event (EV_AX_ fd, revents); 338 ev_feed_fd_event (EV_AX_ fd, revents);
379#else 388#else
380 !ev_default_loop (flags) 389 !ev_default_loop (flags)
381#endif 390#endif
382 ) 391 )
383 throw bad_loop (); 392 throw bad_loop ();
384 }
385
386 ~default_loop () throw ()
387 {
388 ev_default_destroy ();
389 } 393 }
390 394
391 private: 395 private:
392 default_loop (const default_loop &); 396 default_loop (const default_loop &);
393 default_loop &operator = (const default_loop &); 397 default_loop &operator = (const default_loop &);
419 struct base : ev_watcher 423 struct base : ev_watcher
420 { 424 {
421 #if EV_MULTIPLICITY 425 #if EV_MULTIPLICITY
422 EV_PX; 426 EV_PX;
423 427
428 // loop set
424 void set (EV_PX) throw () 429 void set (EV_P) throw ()
425 { 430 {
426 this->EV_A = EV_A; 431 this->EV_A = EV_A;
427 } 432 }
428 #endif 433 #endif
429 434
433 #endif 438 #endif
434 { 439 {
435 ev_init (this, 0); 440 ev_init (this, 0);
436 } 441 }
437 442
438 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 ()
439 { 444 {
440 this->data = data; 445 this->data = (void *)data;
441 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);
442 } 461 }
443 462
444 // method callback 463 // method callback
445 template<class K, void (K::*method)(watcher &w, int)> 464 template<class K, void (K::*method)(watcher &w, int)>
446 void set (K *object) throw () 465 void set (K *object) throw ()
447 { 466 {
448 set_ (object, method_thunk<K, method>); 467 set_ (object, method_thunk<K, method>);
449 } 468 }
450 469
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
451 template<class K, void (K::*method)(watcher &w, int)> 477 template<class K, void (K::*method)(watcher &w, int)>
452 static void method_thunk (EV_P_ ev_watcher *w, int revents) 478 static void method_thunk (EV_P_ ev_watcher *w, int revents)
453 { 479 {
454 K *obj = static_cast<K *>(w->data); 480 (static_cast<K *>(w->data)->*method)
455 (obj->*method) (*static_cast<watcher *>(w), revents);
456 }
457
458 // const method callback
459 template<class K, void (K::*method)(watcher &w, int) const>
460 void set (const K *object) throw ()
461 {
462 set_ (object, const_method_thunk<K, method>);
463 }
464
465 template<class K, void (K::*method)(watcher &w, int) const>
466 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
467 {
468 K *obj = static_cast<K *>(w->data);
469 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
470 }
471
472 // function callback
473 template<void (*function)(watcher &w, int)>
474 void set (void *data = 0) throw ()
475 {
476 set_ (data, function_thunk<function>);
477 }
478
479 template<void (*function)(watcher &w, int)>
480 static void function_thunk (EV_P_ ev_watcher *w, int revents)
481 {
482 function (*static_cast<watcher *>(w), revents); 481 (*static_cast<watcher *>(w), revents);
483 } 482 }
484 483
485 // simple callback 484 // no-argument callback
486 template<class K, void (K::*method)()> 485 template<class K, void (K::*method)()>
487 void set (K *object) throw () 486 void set (K *object) throw ()
488 { 487 {
489 set_ (object, method_noargs_thunk<K, method>); 488 set_ (object, method_noargs_thunk<K, method>);
490 } 489 }
491 490
492 template<class K, void (K::*method)()> 491 template<class K, void (K::*method)()>
493 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)
494 { 493 {
495 K *obj = static_cast<K *>(w->data); 494 (static_cast<K *>(w->data)->*method)
496 (obj->*method) (); 495 ();
497 } 496 }
498 497
499 void operator ()(int events = EV_UNDEF) 498 void operator ()(int events = EV_UNDEF)
500 { 499 {
500 return
501 return ev_cb (static_cast<ev_watcher *>(this)) 501 ev_cb (static_cast<ev_watcher *>(this))
502 (static_cast<ev_watcher *>(this), events); 502 (static_cast<ev_watcher *>(this), events);
503 } 503 }
504 504
505 bool is_active () const throw () 505 bool is_active () const throw ()
506 { 506 {
507 return ev_is_active (static_cast<const ev_watcher *>(this)); 507 return ev_is_active (static_cast<const ev_watcher *>(this));
653 653
654 void again () throw () 654 void again () throw ()
655 { 655 {
656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
657 } 657 }
658
659 ev_tstamp remaining ()
660 {
661 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
662 }
658 EV_END_WATCHER (timer, timer) 663 EV_END_WATCHER (timer, timer)
659 664
660 #if EV_PERIODIC_ENABLE 665 #if EV_PERIODIC_ENABLE
661 EV_BEGIN_WATCHER (periodic, periodic) 666 EV_BEGIN_WATCHER (periodic, periodic)
662 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 667 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
678 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 683 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
679 } 684 }
680 EV_END_WATCHER (periodic, periodic) 685 EV_END_WATCHER (periodic, periodic)
681 #endif 686 #endif
682 687
688 #if EV_SIGNAL_ENABLE
683 EV_BEGIN_WATCHER (sig, signal) 689 EV_BEGIN_WATCHER (sig, signal)
684 void set (int signum) throw () 690 void set (int signum) throw ()
685 { 691 {
686 int active = is_active (); 692 int active = is_active ();
687 if (active) stop (); 693 if (active) stop ();
693 { 699 {
694 set (signum); 700 set (signum);
695 start (); 701 start ();
696 } 702 }
697 EV_END_WATCHER (sig, signal) 703 EV_END_WATCHER (sig, signal)
704 #endif
698 705
706 #if EV_CHILD_ENABLE
699 EV_BEGIN_WATCHER (child, child) 707 EV_BEGIN_WATCHER (child, child)
700 void set (int pid, int trace = 0) throw () 708 void set (int pid, int trace = 0) throw ()
701 { 709 {
702 int active = is_active (); 710 int active = is_active ();
703 if (active) stop (); 711 if (active) stop ();
709 { 717 {
710 set (pid, trace); 718 set (pid, trace);
711 start (); 719 start ();
712 } 720 }
713 EV_END_WATCHER (child, child) 721 EV_END_WATCHER (child, child)
722 #endif
714 723
715 #if EV_STAT_ENABLE 724 #if EV_STAT_ENABLE
716 EV_BEGIN_WATCHER (stat, stat) 725 EV_BEGIN_WATCHER (stat, stat)
717 void set (const char *path, ev_tstamp interval = 0.) throw () 726 void set (const char *path, ev_tstamp interval = 0.) throw ()
718 { 727 {
734 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 743 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
735 } 744 }
736 EV_END_WATCHER (stat, stat) 745 EV_END_WATCHER (stat, stat)
737 #endif 746 #endif
738 747
748 #if EV_IDLE_ENABLE
739 EV_BEGIN_WATCHER (idle, idle) 749 EV_BEGIN_WATCHER (idle, idle)
740 void set () throw () { } 750 void set () throw () { }
741 EV_END_WATCHER (idle, idle) 751 EV_END_WATCHER (idle, idle)
752 #endif
742 753
754 #if EV_PREPARE_ENABLE
743 EV_BEGIN_WATCHER (prepare, prepare) 755 EV_BEGIN_WATCHER (prepare, prepare)
744 void set () throw () { } 756 void set () throw () { }
745 EV_END_WATCHER (prepare, prepare) 757 EV_END_WATCHER (prepare, prepare)
758 #endif
746 759
760 #if EV_CHECK_ENABLE
747 EV_BEGIN_WATCHER (check, check) 761 EV_BEGIN_WATCHER (check, check)
748 void set () throw () { } 762 void set () throw () { }
749 EV_END_WATCHER (check, check) 763 EV_END_WATCHER (check, check)
764 #endif
750 765
751 #if EV_EMBED_ENABLE 766 #if EV_EMBED_ENABLE
752 EV_BEGIN_WATCHER (embed, embed) 767 EV_BEGIN_WATCHER (embed, embed)
753 void set (struct ev_loop *embedded_loop) throw () 768 void set (struct ev_loop *embedded_loop) throw ()
754 { 769 {
777 EV_END_WATCHER (fork, fork) 792 EV_END_WATCHER (fork, fork)
778 #endif 793 #endif
779 794
780 #if EV_ASYNC_ENABLE 795 #if EV_ASYNC_ENABLE
781 EV_BEGIN_WATCHER (async, async) 796 EV_BEGIN_WATCHER (async, async)
782 void set () throw () { }
783
784 void send () throw () 797 void send () throw ()
785 { 798 {
786 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 799 ev_async_send (EV_A_ static_cast<ev_async *>(this));
787 } 800 }
788 801

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