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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 1.54 by root, Fri Oct 22 05:57:55 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 222#if EV_MULTIPLICITY
214#else 224#else
215 ev_default_fork (); 225 ev_default_fork ();
216#endif 226#endif
217 } 227 }
218 228
219 unsigned int count () const throw ()
220 {
221 return ev_loop_count (EV_AX);
222 }
223
224 unsigned int backend () const throw () 229 unsigned int backend () const throw ()
225 { 230 {
226 return ev_backend (EV_AX); 231 return ev_backend (EV_AX);
227 } 232 }
228 233
239 void unref () throw () 244 void unref () throw ()
240 { 245 {
241 ev_unref (EV_AX); 246 ev_unref (EV_AX);
242 } 247 }
243 248
249#if EV_FEATURE_API
250 unsigned int iteration () const throw ()
251 {
252 return ev_iteration (EV_AX);
253 }
254
255 unsigned int depth () const throw ()
256 {
257 return ev_depth (EV_AX);
258 }
259
244 void set_io_collect_interval (tstamp interval) throw () 260 void set_io_collect_interval (tstamp interval) throw ()
245 { 261 {
246 ev_set_io_collect_interval (EV_AX_ interval); 262 ev_set_io_collect_interval (EV_AX_ interval);
247 } 263 }
248 264
249 void set_timeout_collect_interval (tstamp interval) throw () 265 void set_timeout_collect_interval (tstamp interval) throw ()
250 { 266 {
251 ev_set_timeout_collect_interval (EV_AX_ interval); 267 ev_set_timeout_collect_interval (EV_AX_ interval);
252 } 268 }
269#endif
253 270
254 // function callback 271 // function callback
255 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw () 272 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
256 { 273 {
257 ev_once (EV_AX_ fd, events, timeout, cb, arg); 274 ev_once (EV_AX_ fd, events, timeout, cb, arg);
258 } 275 }
259 276
260 // method callback 277 // method callback
262 void once (int fd, int events, tstamp timeout, K *object) throw () 279 void once (int fd, int events, tstamp timeout, K *object) throw ()
263 { 280 {
264 once (fd, events, timeout, method_thunk<K, method>, object); 281 once (fd, events, timeout, method_thunk<K, method>, object);
265 } 282 }
266 283
284 // default method == operator ()
285 template<class K>
286 void once (int fd, int events, tstamp timeout, K *object) throw ()
287 {
288 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
289 }
290
267 template<class K, void (K::*method)(int)> 291 template<class K, void (K::*method)(int)>
268 static void method_thunk (int revents, void* arg) 292 static void method_thunk (int revents, void *arg)
269 {
270 K *obj = static_cast<K *>(arg);
271 (obj->*method) (revents);
272 } 293 {
294 static_cast<K *>(arg)->*method
295 (revents);
296 }
273 297
274 // const method callback 298 // 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)()> 299 template<class K, void (K::*method)()>
290 void once (int fd, int events, tstamp timeout, K *object) throw () 300 void once (int fd, int events, tstamp timeout, K *object) throw ()
291 { 301 {
292 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 302 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
293 } 303 }
294 304
295 template<class K, void (K::*method)()> 305 template<class K, void (K::*method)()>
296 static void method_noargs_thunk (int revents, void* arg) 306 static void method_noargs_thunk (int revents, void *arg)
297 { 307 {
298 K *obj = static_cast<K *>(arg); 308 static_cast<K *>(arg)->*method
299 (obj->*method) (); 309 ();
300 } 310 }
301 311
302 // simpler function callback 312 // simpler function callback
303 template<void (*cb)(int)> 313 template<void (*cb)(int)>
304 void once (int fd, int events, tstamp timeout) throw () 314 void once (int fd, int events, tstamp timeout) throw ()
305 { 315 {
306 once (fd, events, timeout, simpler_func_thunk<cb>); 316 once (fd, events, timeout, simpler_func_thunk<cb>);
307 } 317 }
308 318
309 template<void (*cb)(int)> 319 template<void (*cb)(int)>
310 static void simpler_func_thunk (int revents, void* arg) 320 static void simpler_func_thunk (int revents, void *arg)
311 { 321 {
322 (*cb)
312 (*cb) (revents); 323 (revents);
313 } 324 }
314 325
315 // simplest function callback 326 // simplest function callback
316 template<void (*cb)()> 327 template<void (*cb)()>
317 void once (int fd, int events, tstamp timeout) throw () 328 void once (int fd, int events, tstamp timeout) throw ()
318 { 329 {
319 once (fd, events, timeout, simplest_func_thunk<cb>); 330 once (fd, events, timeout, simplest_func_thunk<cb>);
320 } 331 }
321 332
322 template<void (*cb)()> 333 template<void (*cb)()>
323 static void simplest_func_thunk (int revents, void* arg) 334 static void simplest_func_thunk (int revents, void *arg)
324 { 335 {
325 (*cb) (); 336 (*cb)
337 ();
326 } 338 }
327 339
328 void feed_fd_event (int fd, int revents) throw () 340 void feed_fd_event (int fd, int revents) throw ()
329 { 341 {
330 ev_feed_fd_event (EV_AX_ fd, revents); 342 ev_feed_fd_event (EV_AX_ fd, revents);
420 struct base : ev_watcher 432 struct base : ev_watcher
421 { 433 {
422 #if EV_MULTIPLICITY 434 #if EV_MULTIPLICITY
423 EV_PX; 435 EV_PX;
424 436
437 // loop set
425 void set (EV_PX) throw () 438 void set (EV_P) throw ()
426 { 439 {
427 this->EV_A = EV_A; 440 this->EV_A = EV_A;
428 } 441 }
429 #endif 442 #endif
430 443
434 #endif 447 #endif
435 { 448 {
436 ev_init (this, 0); 449 ev_init (this, 0);
437 } 450 }
438 451
439 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw () 452 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
440 { 453 {
441 this->data = data; 454 this->data = (void *)data;
442 ev_set_cb (static_cast<ev_watcher *>(this), cb); 455 ev_set_cb (static_cast<ev_watcher *>(this), cb);
456 }
457
458 // function callback
459 template<void (*function)(watcher &w, int)>
460 void set (void *data = 0) throw ()
461 {
462 set_ (data, function_thunk<function>);
463 }
464
465 template<void (*function)(watcher &w, int)>
466 static void function_thunk (EV_P_ ev_watcher *w, int revents)
467 {
468 function
469 (*static_cast<watcher *>(w), revents);
443 } 470 }
444 471
445 // method callback 472 // method callback
446 template<class K, void (K::*method)(watcher &w, int)> 473 template<class K, void (K::*method)(watcher &w, int)>
447 void set (K *object) throw () 474 void set (K *object) throw ()
448 { 475 {
449 set_ (object, method_thunk<K, method>); 476 set_ (object, method_thunk<K, method>);
450 } 477 }
451 478
479 // default method == operator ()
480 template<class K>
481 void set (K *object) throw ()
482 {
483 set_ (object, method_thunk<K, &K::operator ()>);
484 }
485
452 template<class K, void (K::*method)(watcher &w, int)> 486 template<class K, void (K::*method)(watcher &w, int)>
453 static void method_thunk (EV_P_ ev_watcher *w, int revents) 487 static void method_thunk (EV_P_ ev_watcher *w, int revents)
454 { 488 {
455 K *obj = static_cast<K *>(w->data); 489 (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); 490 (*static_cast<watcher *>(w), revents);
484 } 491 }
485 492
486 // simple callback 493 // no-argument callback
487 template<class K, void (K::*method)()> 494 template<class K, void (K::*method)()>
488 void set (K *object) throw () 495 void set (K *object) throw ()
489 { 496 {
490 set_ (object, method_noargs_thunk<K, method>); 497 set_ (object, method_noargs_thunk<K, method>);
491 } 498 }
492 499
493 template<class K, void (K::*method)()> 500 template<class K, void (K::*method)()>
494 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) 501 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
495 { 502 {
496 K *obj = static_cast<K *>(w->data); 503 (static_cast<K *>(w->data)->*method)
497 (obj->*method) (); 504 ();
498 } 505 }
499 506
500 void operator ()(int events = EV_UNDEF) 507 void operator ()(int events = EV_UNDEF)
501 { 508 {
509 return
502 return ev_cb (static_cast<ev_watcher *>(this)) 510 ev_cb (static_cast<ev_watcher *>(this))
503 (static_cast<ev_watcher *>(this), events); 511 (static_cast<ev_watcher *>(this), events);
504 } 512 }
505 513
506 bool is_active () const throw () 514 bool is_active () const throw ()
507 { 515 {
508 return ev_is_active (static_cast<const ev_watcher *>(this)); 516 return ev_is_active (static_cast<const ev_watcher *>(this));
654 662
655 void again () throw () 663 void again () throw ()
656 { 664 {
657 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 665 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
658 } 666 }
667
668 ev_tstamp remaining ()
669 {
670 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
671 }
659 EV_END_WATCHER (timer, timer) 672 EV_END_WATCHER (timer, timer)
660 673
661 #if EV_PERIODIC_ENABLE 674 #if EV_PERIODIC_ENABLE
662 EV_BEGIN_WATCHER (periodic, periodic) 675 EV_BEGIN_WATCHER (periodic, periodic)
663 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 676 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
679 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 692 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
680 } 693 }
681 EV_END_WATCHER (periodic, periodic) 694 EV_END_WATCHER (periodic, periodic)
682 #endif 695 #endif
683 696
697 #if EV_SIGNAL_ENABLE
684 EV_BEGIN_WATCHER (sig, signal) 698 EV_BEGIN_WATCHER (sig, signal)
685 void set (int signum) throw () 699 void set (int signum) throw ()
686 { 700 {
687 int active = is_active (); 701 int active = is_active ();
688 if (active) stop (); 702 if (active) stop ();
694 { 708 {
695 set (signum); 709 set (signum);
696 start (); 710 start ();
697 } 711 }
698 EV_END_WATCHER (sig, signal) 712 EV_END_WATCHER (sig, signal)
713 #endif
699 714
715 #if EV_CHILD_ENABLE
700 EV_BEGIN_WATCHER (child, child) 716 EV_BEGIN_WATCHER (child, child)
701 void set (int pid, int trace = 0) throw () 717 void set (int pid, int trace = 0) throw ()
702 { 718 {
703 int active = is_active (); 719 int active = is_active ();
704 if (active) stop (); 720 if (active) stop ();
710 { 726 {
711 set (pid, trace); 727 set (pid, trace);
712 start (); 728 start ();
713 } 729 }
714 EV_END_WATCHER (child, child) 730 EV_END_WATCHER (child, child)
731 #endif
715 732
716 #if EV_STAT_ENABLE 733 #if EV_STAT_ENABLE
717 EV_BEGIN_WATCHER (stat, stat) 734 EV_BEGIN_WATCHER (stat, stat)
718 void set (const char *path, ev_tstamp interval = 0.) throw () 735 void set (const char *path, ev_tstamp interval = 0.) throw ()
719 { 736 {
735 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 752 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
736 } 753 }
737 EV_END_WATCHER (stat, stat) 754 EV_END_WATCHER (stat, stat)
738 #endif 755 #endif
739 756
757 #if EV_IDLE_ENABLE
740 EV_BEGIN_WATCHER (idle, idle) 758 EV_BEGIN_WATCHER (idle, idle)
741 void set () throw () { } 759 void set () throw () { }
742 EV_END_WATCHER (idle, idle) 760 EV_END_WATCHER (idle, idle)
761 #endif
743 762
763 #if EV_PREPARE_ENABLE
744 EV_BEGIN_WATCHER (prepare, prepare) 764 EV_BEGIN_WATCHER (prepare, prepare)
745 void set () throw () { } 765 void set () throw () { }
746 EV_END_WATCHER (prepare, prepare) 766 EV_END_WATCHER (prepare, prepare)
767 #endif
747 768
769 #if EV_CHECK_ENABLE
748 EV_BEGIN_WATCHER (check, check) 770 EV_BEGIN_WATCHER (check, check)
749 void set () throw () { } 771 void set () throw () { }
750 EV_END_WATCHER (check, check) 772 EV_END_WATCHER (check, check)
773 #endif
751 774
752 #if EV_EMBED_ENABLE 775 #if EV_EMBED_ENABLE
753 EV_BEGIN_WATCHER (embed, embed) 776 EV_BEGIN_WATCHER (embed, embed)
754 void set (struct ev_loop *embedded_loop) throw () 777 void set (struct ev_loop *embedded_loop) throw ()
755 { 778 {
778 EV_END_WATCHER (fork, fork) 801 EV_END_WATCHER (fork, fork)
779 #endif 802 #endif
780 803
781 #if EV_ASYNC_ENABLE 804 #if EV_ASYNC_ENABLE
782 EV_BEGIN_WATCHER (async, async) 805 EV_BEGIN_WATCHER (async, async)
783 void set () throw () { }
784
785 void send () throw () 806 void send () throw ()
786 { 807 {
787 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 808 ev_async_send (EV_A_ static_cast<ev_async *>(this));
788 } 809 }
789 810

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