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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 1.55 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,
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,
77# undef ERROR // some systems stupidly #define ERROR 81# undef ERROR // some systems stupidly #define ERROR
78 ERROR = EV_ERROR, 82 ERROR = EV_ERROR
79 }; 83 };
80 84
81 enum 85 enum
82 { 86 {
83 AUTO = EVFLAG_AUTO, 87 AUTO = EVFLAG_AUTO,
92 PORT = EVBACKEND_PORT 96 PORT = EVBACKEND_PORT
93 }; 97 };
94 98
95 enum 99 enum
96 { 100 {
101#if EV_COMPAT3
97 NONBLOCK = EVLOOP_NONBLOCK, 102 NONBLOCK = EVLOOP_NONBLOCK,
98 ONESHOT = EVLOOP_ONESHOT 103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
99 }; 107 };
100 108
101 enum how_t 109 enum how_t
102 { 110 {
103 ONE = EVUNLOOP_ONE, 111 ONE = EVBREAK_ONE,
104 ALL = EVUNLOOP_ALL 112 ALL = EVBREAK_ALL
105 }; 113 };
106 114
107 struct bad_loop 115 struct bad_loop
108#if EV_USE_STDEXCEPT 116#if EV_USE_STDEXCEPT
109 : std::runtime_error 117 : std::runtime_error
159 return false; 167 return false;
160#endif 168#endif
161 } 169 }
162 170
163#if EV_MULTIPLICITY 171#if EV_MULTIPLICITY
164 bool operator == (struct ev_loop *other) const throw () 172 bool operator == (const EV_P) const throw ()
165 { 173 {
166 return this->EV_AX == other; 174 return this->EV_AX == EV_A;
167 }
168
169 bool operator != (struct ev_loop *other) const throw ()
170 { 175 }
171 return ! (*this == other); 176
177 bool operator != (const EV_P) const throw ()
172 } 178 {
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); 179 return (*this == EV_A);
182 } 180 }
183 181
184 operator struct ev_loop * () const throw () 182 operator struct ev_loop * () const throw ()
185 { 183 {
186 return EV_AX; 184 return EV_AX;
195 { 193 {
196 return EV_AX == ev_default_loop (0); 194 return EV_AX == ev_default_loop (0);
197 } 195 }
198#endif 196#endif
199 197
198#if EV_COMPAT3
200 void loop (int flags = 0) 199 void loop (int flags = 0)
201 { 200 {
202 ev_loop (EV_AX_ flags); 201 ev_run (EV_AX_ flags);
203 } 202 }
204 203
205 void unloop (how_t how = ONE) throw () 204 void unloop (how_t how = ONE) throw ()
206 { 205 {
207 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);
208 } 218 }
209 219
210 void post_fork () throw () 220 void post_fork () throw ()
211 { 221 {
212#if EV_MULTIPLICITY
213 ev_loop_fork (EV_AX); 222 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 } 223 }
223 224
224 unsigned int backend () const throw () 225 unsigned int backend () const throw ()
225 { 226 {
226 return ev_backend (EV_AX); 227 return ev_backend (EV_AX);
239 void unref () throw () 240 void unref () throw ()
240 { 241 {
241 ev_unref (EV_AX); 242 ev_unref (EV_AX);
242 } 243 }
243 244
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
244 void set_io_collect_interval (tstamp interval) throw () 256 void set_io_collect_interval (tstamp interval) throw ()
245 { 257 {
246 ev_set_io_collect_interval (EV_AX_ interval); 258 ev_set_io_collect_interval (EV_AX_ interval);
247 } 259 }
248 260
249 void set_timeout_collect_interval (tstamp interval) throw () 261 void set_timeout_collect_interval (tstamp interval) throw ()
250 { 262 {
251 ev_set_timeout_collect_interval (EV_AX_ interval); 263 ev_set_timeout_collect_interval (EV_AX_ interval);
252 } 264 }
265#endif
253 266
254 // function callback 267 // function callback
255 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 ()
256 { 269 {
257 ev_once (EV_AX_ fd, events, timeout, cb, arg); 270 ev_once (EV_AX_ fd, events, timeout, cb, arg);
258 } 271 }
259 272
260 // method callback 273 // method callback
262 void once (int fd, int events, tstamp timeout, K *object) throw () 275 void once (int fd, int events, tstamp timeout, K *object) throw ()
263 { 276 {
264 once (fd, events, timeout, method_thunk<K, method>, object); 277 once (fd, events, timeout, method_thunk<K, method>, object);
265 } 278 }
266 279
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
267 template<class K, void (K::*method)(int)> 287 template<class K, void (K::*method)(int)>
268 static void method_thunk (int revents, void* arg) 288 static void method_thunk (int revents, void *arg)
269 {
270 K *obj = static_cast<K *>(arg);
271 (obj->*method) (revents);
272 } 289 {
290 static_cast<K *>(arg)->*method
291 (revents);
292 }
273 293
274 // const method callback 294 // 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)()> 295 template<class K, void (K::*method)()>
290 void once (int fd, int events, tstamp timeout, K *object) throw () 296 void once (int fd, int events, tstamp timeout, K *object) throw ()
291 { 297 {
292 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 298 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
293 } 299 }
294 300
295 template<class K, void (K::*method)()> 301 template<class K, void (K::*method)()>
296 static void method_noargs_thunk (int revents, void* arg) 302 static void method_noargs_thunk (int revents, void *arg)
297 { 303 {
298 K *obj = static_cast<K *>(arg); 304 static_cast<K *>(arg)->*method
299 (obj->*method) (); 305 ();
300 } 306 }
301 307
302 // simpler function callback 308 // simpler function callback
303 template<void (*cb)(int)> 309 template<void (*cb)(int)>
304 void once (int fd, int events, tstamp timeout) throw () 310 void once (int fd, int events, tstamp timeout) throw ()
305 { 311 {
306 once (fd, events, timeout, simpler_func_thunk<cb>); 312 once (fd, events, timeout, simpler_func_thunk<cb>);
307 } 313 }
308 314
309 template<void (*cb)(int)> 315 template<void (*cb)(int)>
310 static void simpler_func_thunk (int revents, void* arg) 316 static void simpler_func_thunk (int revents, void *arg)
311 { 317 {
318 (*cb)
312 (*cb) (revents); 319 (revents);
313 } 320 }
314 321
315 // simplest function callback 322 // simplest function callback
316 template<void (*cb)()> 323 template<void (*cb)()>
317 void once (int fd, int events, tstamp timeout) throw () 324 void once (int fd, int events, tstamp timeout) throw ()
318 { 325 {
319 once (fd, events, timeout, simplest_func_thunk<cb>); 326 once (fd, events, timeout, simplest_func_thunk<cb>);
320 } 327 }
321 328
322 template<void (*cb)()> 329 template<void (*cb)()>
323 static void simplest_func_thunk (int revents, void* arg) 330 static void simplest_func_thunk (int revents, void *arg)
324 { 331 {
325 (*cb) (); 332 (*cb)
333 ();
326 } 334 }
327 335
328 void feed_fd_event (int fd, int revents) throw () 336 void feed_fd_event (int fd, int revents) throw ()
329 { 337 {
330 ev_feed_fd_event (EV_AX_ fd, revents); 338 ev_feed_fd_event (EV_AX_ fd, revents);
380#else 388#else
381 !ev_default_loop (flags) 389 !ev_default_loop (flags)
382#endif 390#endif
383 ) 391 )
384 throw bad_loop (); 392 throw bad_loop ();
385 }
386
387 ~default_loop () throw ()
388 {
389 ev_default_destroy ();
390 } 393 }
391 394
392 private: 395 private:
393 default_loop (const default_loop &); 396 default_loop (const default_loop &);
394 default_loop &operator = (const default_loop &); 397 default_loop &operator = (const default_loop &);
420 struct base : ev_watcher 423 struct base : ev_watcher
421 { 424 {
422 #if EV_MULTIPLICITY 425 #if EV_MULTIPLICITY
423 EV_PX; 426 EV_PX;
424 427
428 // loop set
425 void set (EV_PX) throw () 429 void set (EV_P) throw ()
426 { 430 {
427 this->EV_A = EV_A; 431 this->EV_A = EV_A;
428 } 432 }
429 #endif 433 #endif
430 434
434 #endif 438 #endif
435 { 439 {
436 ev_init (this, 0); 440 ev_init (this, 0);
437 } 441 }
438 442
439 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 ()
440 { 444 {
441 this->data = data; 445 this->data = (void *)data;
442 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);
443 } 461 }
444 462
445 // method callback 463 // method callback
446 template<class K, void (K::*method)(watcher &w, int)> 464 template<class K, void (K::*method)(watcher &w, int)>
447 void set (K *object) throw () 465 void set (K *object) throw ()
448 { 466 {
449 set_ (object, method_thunk<K, method>); 467 set_ (object, method_thunk<K, method>);
450 } 468 }
451 469
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
452 template<class K, void (K::*method)(watcher &w, int)> 477 template<class K, void (K::*method)(watcher &w, int)>
453 static void method_thunk (EV_P_ ev_watcher *w, int revents) 478 static void method_thunk (EV_P_ ev_watcher *w, int revents)
454 { 479 {
455 K *obj = static_cast<K *>(w->data); 480 (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); 481 (*static_cast<watcher *>(w), revents);
484 } 482 }
485 483
486 // simple callback 484 // no-argument callback
487 template<class K, void (K::*method)()> 485 template<class K, void (K::*method)()>
488 void set (K *object) throw () 486 void set (K *object) throw ()
489 { 487 {
490 set_ (object, method_noargs_thunk<K, method>); 488 set_ (object, method_noargs_thunk<K, method>);
491 } 489 }
492 490
493 template<class K, void (K::*method)()> 491 template<class K, void (K::*method)()>
494 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)
495 { 493 {
496 K *obj = static_cast<K *>(w->data); 494 (static_cast<K *>(w->data)->*method)
497 (obj->*method) (); 495 ();
498 } 496 }
499 497
500 void operator ()(int events = EV_UNDEF) 498 void operator ()(int events = EV_UNDEF)
501 { 499 {
500 return
502 return ev_cb (static_cast<ev_watcher *>(this)) 501 ev_cb (static_cast<ev_watcher *>(this))
503 (static_cast<ev_watcher *>(this), events); 502 (static_cast<ev_watcher *>(this), events);
504 } 503 }
505 504
506 bool is_active () const throw () 505 bool is_active () const throw ()
507 { 506 {
508 return ev_is_active (static_cast<const ev_watcher *>(this)); 507 return ev_is_active (static_cast<const ev_watcher *>(this));
654 653
655 void again () throw () 654 void again () throw ()
656 { 655 {
657 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
658 } 657 }
658
659 ev_tstamp remaining ()
660 {
661 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
662 }
659 EV_END_WATCHER (timer, timer) 663 EV_END_WATCHER (timer, timer)
660 664
661 #if EV_PERIODIC_ENABLE 665 #if EV_PERIODIC_ENABLE
662 EV_BEGIN_WATCHER (periodic, periodic) 666 EV_BEGIN_WATCHER (periodic, periodic)
663 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 667 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
679 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 683 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
680 } 684 }
681 EV_END_WATCHER (periodic, periodic) 685 EV_END_WATCHER (periodic, periodic)
682 #endif 686 #endif
683 687
688 #if EV_SIGNAL_ENABLE
684 EV_BEGIN_WATCHER (sig, signal) 689 EV_BEGIN_WATCHER (sig, signal)
685 void set (int signum) throw () 690 void set (int signum) throw ()
686 { 691 {
687 int active = is_active (); 692 int active = is_active ();
688 if (active) stop (); 693 if (active) stop ();
694 { 699 {
695 set (signum); 700 set (signum);
696 start (); 701 start ();
697 } 702 }
698 EV_END_WATCHER (sig, signal) 703 EV_END_WATCHER (sig, signal)
704 #endif
699 705
706 #if EV_CHILD_ENABLE
700 EV_BEGIN_WATCHER (child, child) 707 EV_BEGIN_WATCHER (child, child)
701 void set (int pid, int trace = 0) throw () 708 void set (int pid, int trace = 0) throw ()
702 { 709 {
703 int active = is_active (); 710 int active = is_active ();
704 if (active) stop (); 711 if (active) stop ();
710 { 717 {
711 set (pid, trace); 718 set (pid, trace);
712 start (); 719 start ();
713 } 720 }
714 EV_END_WATCHER (child, child) 721 EV_END_WATCHER (child, child)
722 #endif
715 723
716 #if EV_STAT_ENABLE 724 #if EV_STAT_ENABLE
717 EV_BEGIN_WATCHER (stat, stat) 725 EV_BEGIN_WATCHER (stat, stat)
718 void set (const char *path, ev_tstamp interval = 0.) throw () 726 void set (const char *path, ev_tstamp interval = 0.) throw ()
719 { 727 {
735 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 743 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
736 } 744 }
737 EV_END_WATCHER (stat, stat) 745 EV_END_WATCHER (stat, stat)
738 #endif 746 #endif
739 747
748 #if EV_IDLE_ENABLE
740 EV_BEGIN_WATCHER (idle, idle) 749 EV_BEGIN_WATCHER (idle, idle)
741 void set () throw () { } 750 void set () throw () { }
742 EV_END_WATCHER (idle, idle) 751 EV_END_WATCHER (idle, idle)
752 #endif
743 753
754 #if EV_PREPARE_ENABLE
744 EV_BEGIN_WATCHER (prepare, prepare) 755 EV_BEGIN_WATCHER (prepare, prepare)
745 void set () throw () { } 756 void set () throw () { }
746 EV_END_WATCHER (prepare, prepare) 757 EV_END_WATCHER (prepare, prepare)
758 #endif
747 759
760 #if EV_CHECK_ENABLE
748 EV_BEGIN_WATCHER (check, check) 761 EV_BEGIN_WATCHER (check, check)
749 void set () throw () { } 762 void set () throw () { }
750 EV_END_WATCHER (check, check) 763 EV_END_WATCHER (check, check)
764 #endif
751 765
752 #if EV_EMBED_ENABLE 766 #if EV_EMBED_ENABLE
753 EV_BEGIN_WATCHER (embed, embed) 767 EV_BEGIN_WATCHER (embed, embed)
754 void set (struct ev_loop *embedded_loop) throw () 768 void set (struct ev_loop *embedded_loop) throw ()
755 { 769 {
778 EV_END_WATCHER (fork, fork) 792 EV_END_WATCHER (fork, fork)
779 #endif 793 #endif
780 794
781 #if EV_ASYNC_ENABLE 795 #if EV_ASYNC_ENABLE
782 EV_BEGIN_WATCHER (async, async) 796 EV_BEGIN_WATCHER (async, async)
783 void set () throw () { }
784
785 void send () throw () 797 void send () throw ()
786 { 798 {
787 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 799 ev_async_send (EV_A_ static_cast<ev_async *>(this));
788 } 800 }
789 801

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