ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev++.h
(Generate patch)

Comparing libev/ev++.h (file contents):
Revision 1.43 by root, Wed Nov 5 14:36:18 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 *
62 { 62 {
63 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
64 NONE = EV_NONE, 64 NONE = EV_NONE,
65 READ = EV_READ, 65 READ = EV_READ,
66 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
67#if EV_COMPAT3
67 TIMEOUT = EV_TIMEOUT, 68 TIMEOUT = EV_TIMEOUT,
69#endif
70 TIMER = EV_TIMER,
68 PERIODIC = EV_PERIODIC, 71 PERIODIC = EV_PERIODIC,
69 SIGNAL = EV_SIGNAL, 72 SIGNAL = EV_SIGNAL,
70 CHILD = EV_CHILD, 73 CHILD = EV_CHILD,
71 STAT = EV_STAT, 74 STAT = EV_STAT,
72 IDLE = EV_IDLE, 75 IDLE = EV_IDLE,
74 PREPARE = EV_PREPARE, 77 PREPARE = EV_PREPARE,
75 FORK = EV_FORK, 78 FORK = EV_FORK,
76 ASYNC = EV_ASYNC, 79 ASYNC = EV_ASYNC,
77 EMBED = EV_EMBED, 80 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR 81# undef ERROR // some systems stupidly #define ERROR
79 ERROR = EV_ERROR, 82 ERROR = EV_ERROR
80 }; 83 };
81 84
82 enum 85 enum
83 { 86 {
84 AUTO = EVFLAG_AUTO, 87 AUTO = EVFLAG_AUTO,
93 PORT = EVBACKEND_PORT 96 PORT = EVBACKEND_PORT
94 }; 97 };
95 98
96 enum 99 enum
97 { 100 {
101#if EV_COMPAT3
98 NONBLOCK = EVLOOP_NONBLOCK, 102 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT 103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
100 }; 107 };
101 108
102 enum how_t 109 enum how_t
103 { 110 {
104 ONE = EVUNLOOP_ONE, 111 ONE = EVBREAK_ONE,
105 ALL = EVUNLOOP_ALL 112 ALL = EVBREAK_ALL
106 }; 113 };
107 114
108 struct bad_loop 115 struct bad_loop
109#if EV_USE_STDEXCEPT 116#if EV_USE_STDEXCEPT
110 : std::runtime_error 117 : std::runtime_error
160 return false; 167 return false;
161#endif 168#endif
162 } 169 }
163 170
164#if EV_MULTIPLICITY 171#if EV_MULTIPLICITY
165 bool operator == (struct ev_loop *other) const throw () 172 bool operator == (const EV_P) const throw ()
166 { 173 {
167 return this->EV_AX == other; 174 return this->EV_AX == EV_A;
168 }
169
170 bool operator != (struct ev_loop *other) const throw ()
171 { 175 }
172 return ! (*this == other); 176
177 bool operator != (const EV_P) const throw ()
173 } 178 {
174
175 bool operator == (const struct ev_loop *other) const throw ()
176 {
177 return this->EV_AX == other;
178 }
179
180 bool operator != (const struct ev_loop *other) const throw ()
181 {
182 return (*this == other); 179 return (*this == EV_A);
183 } 180 }
184 181
185 operator struct ev_loop * () const throw () 182 operator struct ev_loop * () const throw ()
186 { 183 {
187 return EV_AX; 184 return EV_AX;
196 { 193 {
197 return EV_AX == ev_default_loop (0); 194 return EV_AX == ev_default_loop (0);
198 } 195 }
199#endif 196#endif
200 197
198#if EV_COMPAT3
201 void loop (int flags = 0) 199 void loop (int flags = 0)
202 { 200 {
203 ev_loop (EV_AX_ flags); 201 ev_run (EV_AX_ flags);
204 } 202 }
205 203
206 void unloop (how_t how = ONE) throw () 204 void unloop (how_t how = ONE) throw ()
207 { 205 {
208 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);
209 } 218 }
210 219
211 void post_fork () throw () 220 void post_fork () throw ()
212 { 221 {
213#if EV_MULTIPLICITY 222#if EV_MULTIPLICITY
215#else 224#else
216 ev_default_fork (); 225 ev_default_fork ();
217#endif 226#endif
218 } 227 }
219 228
220 unsigned int count () const throw ()
221 {
222 return ev_loop_count (EV_AX);
223 }
224
225 unsigned int backend () const throw () 229 unsigned int backend () const throw ()
226 { 230 {
227 return ev_backend (EV_AX); 231 return ev_backend (EV_AX);
228 } 232 }
229 233
240 void unref () throw () 244 void unref () throw ()
241 { 245 {
242 ev_unref (EV_AX); 246 ev_unref (EV_AX);
243 } 247 }
244 248
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
245 void set_io_collect_interval (tstamp interval) throw () 260 void set_io_collect_interval (tstamp interval) throw ()
246 { 261 {
247 ev_set_io_collect_interval (EV_AX_ interval); 262 ev_set_io_collect_interval (EV_AX_ interval);
248 } 263 }
249 264
250 void set_timeout_collect_interval (tstamp interval) throw () 265 void set_timeout_collect_interval (tstamp interval) throw ()
251 { 266 {
252 ev_set_timeout_collect_interval (EV_AX_ interval); 267 ev_set_timeout_collect_interval (EV_AX_ interval);
253 } 268 }
269#endif
254 270
255 // function callback 271 // function callback
256 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 ()
257 { 273 {
258 ev_once (EV_AX_ fd, events, timeout, cb, arg); 274 ev_once (EV_AX_ fd, events, timeout, cb, arg);
259 } 275 }
260 276
261 // method callback 277 // method callback
263 void once (int fd, int events, tstamp timeout, K *object) throw () 279 void once (int fd, int events, tstamp timeout, K *object) throw ()
264 { 280 {
265 once (fd, events, timeout, method_thunk<K, method>, object); 281 once (fd, events, timeout, method_thunk<K, method>, object);
266 } 282 }
267 283
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
268 template<class K, void (K::*method)(int)> 291 template<class K, void (K::*method)(int)>
269 static void method_thunk (int revents, void* arg) 292 static void method_thunk (int revents, void *arg)
270 {
271 K *obj = static_cast<K *>(arg);
272 (obj->*method) (revents);
273 } 293 {
294 static_cast<K *>(arg)->*method
295 (revents);
296 }
274 297
275 // const method callback 298 // no-argument method callback
276 template<class K, void (K::*method)(int) const>
277 void once (int fd, int events, tstamp timeout, const K *object) throw ()
278 {
279 once (fd, events, timeout, const_method_thunk<K, method>, object);
280 }
281
282 template<class K, void (K::*method)(int) const>
283 static void const_method_thunk (int revents, void* arg)
284 {
285 K *obj = static_cast<K *>(arg);
286 (obj->*method) (revents);
287 }
288
289 // simple method callback
290 template<class K, void (K::*method)()> 299 template<class K, void (K::*method)()>
291 void once (int fd, int events, tstamp timeout, K *object) throw () 300 void once (int fd, int events, tstamp timeout, K *object) throw ()
292 { 301 {
293 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 302 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
294 } 303 }
295 304
296 template<class K, void (K::*method)()> 305 template<class K, void (K::*method)()>
297 static void method_noargs_thunk (int revents, void* arg) 306 static void method_noargs_thunk (int revents, void *arg)
298 { 307 {
299 K *obj = static_cast<K *>(arg); 308 static_cast<K *>(arg)->*method
300 (obj->*method) (); 309 ();
301 } 310 }
302 311
303 // simpler function callback 312 // simpler function callback
304 template<void (*cb)(int)> 313 template<void (*cb)(int)>
305 void once (int fd, int events, tstamp timeout) throw () 314 void once (int fd, int events, tstamp timeout) throw ()
306 { 315 {
307 once (fd, events, timeout, simpler_func_thunk<cb>); 316 once (fd, events, timeout, simpler_func_thunk<cb>);
308 } 317 }
309 318
310 template<void (*cb)(int)> 319 template<void (*cb)(int)>
311 static void simpler_func_thunk (int revents, void* arg) 320 static void simpler_func_thunk (int revents, void *arg)
312 { 321 {
322 (*cb)
313 (*cb) (revents); 323 (revents);
314 } 324 }
315 325
316 // simplest function callback 326 // simplest function callback
317 template<void (*cb)()> 327 template<void (*cb)()>
318 void once (int fd, int events, tstamp timeout) throw () 328 void once (int fd, int events, tstamp timeout) throw ()
319 { 329 {
320 once (fd, events, timeout, simplest_func_thunk<cb>); 330 once (fd, events, timeout, simplest_func_thunk<cb>);
321 } 331 }
322 332
323 template<void (*cb)()> 333 template<void (*cb)()>
324 static void simplest_func_thunk (int revents, void* arg) 334 static void simplest_func_thunk (int revents, void *arg)
325 { 335 {
326 (*cb) (); 336 (*cb)
337 ();
327 } 338 }
328 339
329 void feed_fd_event (int fd, int revents) throw () 340 void feed_fd_event (int fd, int revents) throw ()
330 { 341 {
331 ev_feed_fd_event (EV_AX_ fd, revents); 342 ev_feed_fd_event (EV_AX_ fd, revents);
421 struct base : ev_watcher 432 struct base : ev_watcher
422 { 433 {
423 #if EV_MULTIPLICITY 434 #if EV_MULTIPLICITY
424 EV_PX; 435 EV_PX;
425 436
437 // loop set
426 void set (EV_PX) throw () 438 void set (EV_P) throw ()
427 { 439 {
428 this->EV_A = EV_A; 440 this->EV_A = EV_A;
429 } 441 }
430 #endif 442 #endif
431 443
435 #endif 447 #endif
436 { 448 {
437 ev_init (this, 0); 449 ev_init (this, 0);
438 } 450 }
439 451
440 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 ()
441 { 453 {
442 this->data = data; 454 this->data = (void *)data;
443 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);
444 } 470 }
445 471
446 // method callback 472 // method callback
447 template<class K, void (K::*method)(watcher &w, int)> 473 template<class K, void (K::*method)(watcher &w, int)>
448 void set (K *object) throw () 474 void set (K *object) throw ()
449 { 475 {
450 set_ (object, method_thunk<K, method>); 476 set_ (object, method_thunk<K, method>);
451 } 477 }
452 478
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
453 template<class K, void (K::*method)(watcher &w, int)> 486 template<class K, void (K::*method)(watcher &w, int)>
454 static void method_thunk (EV_P_ ev_watcher *w, int revents) 487 static void method_thunk (EV_P_ ev_watcher *w, int revents)
455 { 488 {
456 K *obj = static_cast<K *>(w->data); 489 (static_cast<K *>(w->data)->*method)
457 (obj->*method) (*static_cast<watcher *>(w), revents);
458 }
459
460 // const method callback
461 template<class K, void (K::*method)(watcher &w, int) const>
462 void set (const K *object) throw ()
463 {
464 set_ (object, const_method_thunk<K, method>);
465 }
466
467 template<class K, void (K::*method)(watcher &w, int) const>
468 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
469 {
470 K *obj = static_cast<K *>(w->data);
471 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
472 }
473
474 // function callback
475 template<void (*function)(watcher &w, int)>
476 void set (void *data = 0) throw ()
477 {
478 set_ (data, function_thunk<function>);
479 }
480
481 template<void (*function)(watcher &w, int)>
482 static void function_thunk (EV_P_ ev_watcher *w, int revents)
483 {
484 function (*static_cast<watcher *>(w), revents); 490 (*static_cast<watcher *>(w), revents);
485 } 491 }
486 492
487 // simple callback 493 // no-argument callback
488 template<class K, void (K::*method)()> 494 template<class K, void (K::*method)()>
489 void set (K *object) throw () 495 void set (K *object) throw ()
490 { 496 {
491 set_ (object, method_noargs_thunk<K, method>); 497 set_ (object, method_noargs_thunk<K, method>);
492 } 498 }
493 499
494 template<class K, void (K::*method)()> 500 template<class K, void (K::*method)()>
495 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)
496 { 502 {
497 K *obj = static_cast<K *>(w->data); 503 (static_cast<K *>(w->data)->*method)
498 (obj->*method) (); 504 ();
499 } 505 }
500 506
501 void operator ()(int events = EV_UNDEF) 507 void operator ()(int events = EV_UNDEF)
502 { 508 {
509 return
503 return ev_cb (static_cast<ev_watcher *>(this)) 510 ev_cb (static_cast<ev_watcher *>(this))
504 (static_cast<ev_watcher *>(this), events); 511 (static_cast<ev_watcher *>(this), events);
505 } 512 }
506 513
507 bool is_active () const throw () 514 bool is_active () const throw ()
508 { 515 {
509 return ev_is_active (static_cast<const ev_watcher *>(this)); 516 return ev_is_active (static_cast<const ev_watcher *>(this));
655 662
656 void again () throw () 663 void again () throw ()
657 { 664 {
658 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 665 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
659 } 666 }
667
668 ev_tstamp remaining ()
669 {
670 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
671 }
660 EV_END_WATCHER (timer, timer) 672 EV_END_WATCHER (timer, timer)
661 673
662 #if EV_PERIODIC_ENABLE 674 #if EV_PERIODIC_ENABLE
663 EV_BEGIN_WATCHER (periodic, periodic) 675 EV_BEGIN_WATCHER (periodic, periodic)
664 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 676 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
680 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 692 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
681 } 693 }
682 EV_END_WATCHER (periodic, periodic) 694 EV_END_WATCHER (periodic, periodic)
683 #endif 695 #endif
684 696
697 #if EV_SIGNAL_ENABLE
685 EV_BEGIN_WATCHER (sig, signal) 698 EV_BEGIN_WATCHER (sig, signal)
686 void set (int signum) throw () 699 void set (int signum) throw ()
687 { 700 {
688 int active = is_active (); 701 int active = is_active ();
689 if (active) stop (); 702 if (active) stop ();
695 { 708 {
696 set (signum); 709 set (signum);
697 start (); 710 start ();
698 } 711 }
699 EV_END_WATCHER (sig, signal) 712 EV_END_WATCHER (sig, signal)
713 #endif
700 714
715 #if EV_CHILD_ENABLE
701 EV_BEGIN_WATCHER (child, child) 716 EV_BEGIN_WATCHER (child, child)
702 void set (int pid, int trace = 0) throw () 717 void set (int pid, int trace = 0) throw ()
703 { 718 {
704 int active = is_active (); 719 int active = is_active ();
705 if (active) stop (); 720 if (active) stop ();
711 { 726 {
712 set (pid, trace); 727 set (pid, trace);
713 start (); 728 start ();
714 } 729 }
715 EV_END_WATCHER (child, child) 730 EV_END_WATCHER (child, child)
731 #endif
716 732
717 #if EV_STAT_ENABLE 733 #if EV_STAT_ENABLE
718 EV_BEGIN_WATCHER (stat, stat) 734 EV_BEGIN_WATCHER (stat, stat)
719 void set (const char *path, ev_tstamp interval = 0.) throw () 735 void set (const char *path, ev_tstamp interval = 0.) throw ()
720 { 736 {
736 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 752 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
737 } 753 }
738 EV_END_WATCHER (stat, stat) 754 EV_END_WATCHER (stat, stat)
739 #endif 755 #endif
740 756
757 #if EV_IDLE_ENABLE
741 EV_BEGIN_WATCHER (idle, idle) 758 EV_BEGIN_WATCHER (idle, idle)
742 void set () throw () { } 759 void set () throw () { }
743 EV_END_WATCHER (idle, idle) 760 EV_END_WATCHER (idle, idle)
761 #endif
744 762
763 #if EV_PREPARE_ENABLE
745 EV_BEGIN_WATCHER (prepare, prepare) 764 EV_BEGIN_WATCHER (prepare, prepare)
746 void set () throw () { } 765 void set () throw () { }
747 EV_END_WATCHER (prepare, prepare) 766 EV_END_WATCHER (prepare, prepare)
767 #endif
748 768
769 #if EV_CHECK_ENABLE
749 EV_BEGIN_WATCHER (check, check) 770 EV_BEGIN_WATCHER (check, check)
750 void set () throw () { } 771 void set () throw () { }
751 EV_END_WATCHER (check, check) 772 EV_END_WATCHER (check, check)
773 #endif
752 774
753 #if EV_EMBED_ENABLE 775 #if EV_EMBED_ENABLE
754 EV_BEGIN_WATCHER (embed, embed) 776 EV_BEGIN_WATCHER (embed, embed)
755 void set (struct ev_loop *embedded_loop) throw () 777 void set (struct ev_loop *embedded_loop) throw ()
756 { 778 {
779 EV_END_WATCHER (fork, fork) 801 EV_END_WATCHER (fork, fork)
780 #endif 802 #endif
781 803
782 #if EV_ASYNC_ENABLE 804 #if EV_ASYNC_ENABLE
783 EV_BEGIN_WATCHER (async, async) 805 EV_BEGIN_WATCHER (async, async)
784 void set () throw () { }
785
786 void send () throw () 806 void send () throw ()
787 { 807 {
788 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 808 ev_async_send (EV_A_ static_cast<ev_async *>(this));
789 } 809 }
790 810

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines