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Comparing libev/ev++.h (file contents):
Revision 1.39 by root, Tue Apr 15 04:34:07 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 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,
83 NOENV = EVFLAG_NOENV, 88 NOENV = EVFLAG_NOENV,
84 FORKCHECK = EVFLAG_FORKCHECK, 89 FORKCHECK = EVFLAG_FORKCHECK,
90
85 SELECT = EVBACKEND_SELECT, 91 SELECT = EVBACKEND_SELECT,
86 POLL = EVBACKEND_POLL, 92 POLL = EVBACKEND_POLL,
87 EPOLL = EVBACKEND_EPOLL, 93 EPOLL = EVBACKEND_EPOLL,
88 KQUEUE = EVBACKEND_KQUEUE, 94 KQUEUE = EVBACKEND_KQUEUE,
89 DEVPOLL = EVBACKEND_DEVPOLL, 95 DEVPOLL = EVBACKEND_DEVPOLL,
90 PORT = EVBACKEND_PORT 96 PORT = EVBACKEND_PORT
91 }; 97 };
92 98
93 enum 99 enum
94 { 100 {
101#if EV_COMPAT3
95 NONBLOCK = EVLOOP_NONBLOCK, 102 NONBLOCK = EVLOOP_NONBLOCK,
96 ONESHOT = EVLOOP_ONESHOT 103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
97 }; 107 };
98 108
99 enum how_t 109 enum how_t
100 { 110 {
101 ONE = EVUNLOOP_ONE, 111 ONE = EVBREAK_ONE,
102 ALL = EVUNLOOP_ALL 112 ALL = EVBREAK_ALL
103 }; 113 };
104 114
105 struct bad_loop 115 struct bad_loop
106#if EV_USE_STDEXCEPT 116#if EV_USE_STDEXCEPT
107 : std::runtime_error 117 : std::runtime_error
… …
157 return false; 167 return false;
158#endif 168#endif
159 } 169 }
160 170
161#if EV_MULTIPLICITY 171#if EV_MULTIPLICITY
162 bool operator == (struct ev_loop *other) const throw () 172 bool operator == (const EV_P) const throw ()
163 { 173 {
164 return this->EV_AX == other; 174 return this->EV_AX == EV_A;
165 }
166
167 bool operator != (struct ev_loop *other) const throw ()
168 { 175 }
169 return ! (*this == other); 176
177 bool operator != (const EV_P) const throw ()
170 } 178 {
171
172 bool operator == (const struct ev_loop *other) const throw ()
173 {
174 return this->EV_AX == other;
175 }
176
177 bool operator != (const struct ev_loop *other) const throw ()
178 {
179 return (*this == other); 179 return (*this == EV_A);
180 } 180 }
181 181
182 operator struct ev_loop * () const throw () 182 operator struct ev_loop * () const throw ()
183 { 183 {
184 return EV_AX; 184 return EV_AX;
… …
193 { 193 {
194 return EV_AX == ev_default_loop (0); 194 return EV_AX == ev_default_loop (0);
195 } 195 }
196#endif 196#endif
197 197
198#if EV_COMPAT3
198 void loop (int flags = 0) 199 void loop (int flags = 0)
199 { 200 {
200 ev_loop (EV_AX_ flags); 201 ev_run (EV_AX_ flags);
201 } 202 }
202 203
203 void unloop (how_t how = ONE) throw () 204 void unloop (how_t how = ONE) throw ()
204 { 205 {
205 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);
206 } 218 }
207 219
208 void post_fork () throw () 220 void post_fork () throw ()
209 { 221 {
210#if EV_MULTIPLICITY 222#if EV_MULTIPLICITY
… …
212#else 224#else
213 ev_default_fork (); 225 ev_default_fork ();
214#endif 226#endif
215 } 227 }
216 228
217 unsigned int count () const throw ()
218 {
219 return ev_loop_count (EV_AX);
220 }
221
222 unsigned int backend () const throw () 229 unsigned int backend () const throw ()
223 { 230 {
224 return ev_backend (EV_AX); 231 return ev_backend (EV_AX);
225 } 232 }
226 233
… …
237 void unref () throw () 244 void unref () throw ()
238 { 245 {
239 ev_unref (EV_AX); 246 ev_unref (EV_AX);
240 } 247 }
241 248
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
242 void set_io_collect_interval (tstamp interval) throw () 260 void set_io_collect_interval (tstamp interval) throw ()
243 { 261 {
244 ev_set_io_collect_interval (EV_AX_ interval); 262 ev_set_io_collect_interval (EV_AX_ interval);
245 } 263 }
246 264
247 void set_timeout_collect_interval (tstamp interval) throw () 265 void set_timeout_collect_interval (tstamp interval) throw ()
248 { 266 {
249 ev_set_timeout_collect_interval (EV_AX_ interval); 267 ev_set_timeout_collect_interval (EV_AX_ interval);
250 } 268 }
269#endif
251 270
252 // function callback 271 // function callback
253 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 ()
254 { 273 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg); 274 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 } 275 }
257 276
258 // method callback 277 // method callback
… …
260 void once (int fd, int events, tstamp timeout, K *object) throw () 279 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 { 280 {
262 once (fd, events, timeout, method_thunk<K, method>, object); 281 once (fd, events, timeout, method_thunk<K, method>, object);
263 } 282 }
264 283
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
265 template<class K, void (K::*method)(int)> 291 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void* arg) 292 static void method_thunk (int revents, void *arg)
267 {
268 K *obj = static_cast<K *>(arg);
269 (obj->*method) (revents);
270 } 293 {
294 static_cast<K *>(arg)->*method
295 (revents);
296 }
271 297
272 // const method callback 298 // no-argument method callback
273 template<class K, void (K::*method)(int) const>
274 void once (int fd, int events, tstamp timeout, const K *object) throw ()
275 {
276 once (fd, events, timeout, const_method_thunk<K, method>, object);
277 }
278
279 template<class K, void (K::*method)(int) const>
280 static void const_method_thunk (int revents, void* arg)
281 {
282 K *obj = static_cast<K *>(arg);
283 (obj->*method) (revents);
284 }
285
286 // simple method callback
287 template<class K, void (K::*method)()> 299 template<class K, void (K::*method)()>
288 void once (int fd, int events, tstamp timeout, K *object) throw () 300 void once (int fd, int events, tstamp timeout, K *object) throw ()
289 { 301 {
290 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 302 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
291 } 303 }
292 304
293 template<class K, void (K::*method)()> 305 template<class K, void (K::*method)()>
294 static void method_noargs_thunk (int revents, void* arg) 306 static void method_noargs_thunk (int revents, void *arg)
295 { 307 {
296 K *obj = static_cast<K *>(arg); 308 static_cast<K *>(arg)->*method
297 (obj->*method) (); 309 ();
298 } 310 }
299 311
300 // simpler function callback 312 // simpler function callback
301 template<void (*cb)(int)> 313 template<void (*cb)(int)>
302 void once (int fd, int events, tstamp timeout) throw () 314 void once (int fd, int events, tstamp timeout) throw ()
303 { 315 {
304 once (fd, events, timeout, simpler_func_thunk<cb>); 316 once (fd, events, timeout, simpler_func_thunk<cb>);
305 } 317 }
306 318
307 template<void (*cb)(int)> 319 template<void (*cb)(int)>
308 static void simpler_func_thunk (int revents, void* arg) 320 static void simpler_func_thunk (int revents, void *arg)
309 { 321 {
322 (*cb)
310 (*cb) (revents); 323 (revents);
311 } 324 }
312 325
313 // simplest function callback 326 // simplest function callback
314 template<void (*cb)()> 327 template<void (*cb)()>
315 void once (int fd, int events, tstamp timeout) throw () 328 void once (int fd, int events, tstamp timeout) throw ()
316 { 329 {
317 once (fd, events, timeout, simplest_func_thunk<cb>); 330 once (fd, events, timeout, simplest_func_thunk<cb>);
318 } 331 }
319 332
320 template<void (*cb)()> 333 template<void (*cb)()>
321 static void simplest_func_thunk (int revents, void* arg) 334 static void simplest_func_thunk (int revents, void *arg)
322 { 335 {
323 (*cb) (); 336 (*cb)
337 ();
324 } 338 }
325 339
326 void feed_fd_event (int fd, int revents) throw () 340 void feed_fd_event (int fd, int revents) throw ()
327 { 341 {
328 ev_feed_fd_event (EV_AX_ fd, revents); 342 ev_feed_fd_event (EV_AX_ fd, revents);
… …
418 struct base : ev_watcher 432 struct base : ev_watcher
419 { 433 {
420 #if EV_MULTIPLICITY 434 #if EV_MULTIPLICITY
421 EV_PX; 435 EV_PX;
422 436
437 // loop set
423 void set (EV_PX) throw () 438 void set (EV_P) throw ()
424 { 439 {
425 this->EV_A = EV_A; 440 this->EV_A = EV_A;
426 } 441 }
427 #endif 442 #endif
428 443
… …
432 #endif 447 #endif
433 { 448 {
434 ev_init (this, 0); 449 ev_init (this, 0);
435 } 450 }
436 451
437 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 ()
438 { 453 {
439 this->data = data; 454 this->data = (void *)data;
440 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);
441 } 470 }
442 471
443 // method callback 472 // method callback
444 template<class K, void (K::*method)(watcher &w, int)> 473 template<class K, void (K::*method)(watcher &w, int)>
445 void set (K *object) throw () 474 void set (K *object) throw ()
446 { 475 {
447 set_ (object, method_thunk<K, method>); 476 set_ (object, method_thunk<K, method>);
448 } 477 }
449 478
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
450 template<class K, void (K::*method)(watcher &w, int)> 486 template<class K, void (K::*method)(watcher &w, int)>
451 static void method_thunk (EV_P_ ev_watcher *w, int revents) 487 static void method_thunk (EV_P_ ev_watcher *w, int revents)
452 { 488 {
453 K *obj = static_cast<K *>(w->data); 489 (static_cast<K *>(w->data)->*method)
454 (obj->*method) (*static_cast<watcher *>(w), revents);
455 }
456
457 // const method callback
458 template<class K, void (K::*method)(watcher &w, int) const>
459 void set (const K *object) throw ()
460 {
461 set_ (object, const_method_thunk<K, method>);
462 }
463
464 template<class K, void (K::*method)(watcher &w, int) const>
465 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
466 {
467 K *obj = static_cast<K *>(w->data);
468 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
469 }
470
471 // function callback
472 template<void (*function)(watcher &w, int)>
473 void set (void *data = 0) throw ()
474 {
475 set_ (data, function_thunk<function>);
476 }
477
478 template<void (*function)(watcher &w, int)>
479 static void function_thunk (EV_P_ ev_watcher *w, int revents)
480 {
481 function (*static_cast<watcher *>(w), revents); 490 (*static_cast<watcher *>(w), revents);
482 } 491 }
483 492
484 // simple callback 493 // no-argument callback
485 template<class K, void (K::*method)()> 494 template<class K, void (K::*method)()>
486 void set (K *object) throw () 495 void set (K *object) throw ()
487 { 496 {
488 set_ (object, method_noargs_thunk<K, method>); 497 set_ (object, method_noargs_thunk<K, method>);
489 } 498 }
490 499
491 template<class K, void (K::*method)()> 500 template<class K, void (K::*method)()>
492 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)
493 { 502 {
494 K *obj = static_cast<K *>(w->data); 503 (static_cast<K *>(w->data)->*method)
495 (obj->*method) (); 504 ();
496 } 505 }
497 506
498 void operator ()(int events = EV_UNDEF) 507 void operator ()(int events = EV_UNDEF)
499 { 508 {
509 return
500 return ev_cb (static_cast<ev_watcher *>(this)) 510 ev_cb (static_cast<ev_watcher *>(this))
501 (static_cast<ev_watcher *>(this), events); 511 (static_cast<ev_watcher *>(this), events);
502 } 512 }
503 513
504 bool is_active () const throw () 514 bool is_active () const throw ()
505 { 515 {
506 return ev_is_active (static_cast<const ev_watcher *>(this)); 516 return ev_is_active (static_cast<const ev_watcher *>(this));
… …
652 662
653 void again () throw () 663 void again () throw ()
654 { 664 {
655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 665 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
656 } 666 }
667
668 ev_tstamp remaining ()
669 {
670 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
671 }
657 EV_END_WATCHER (timer, timer) 672 EV_END_WATCHER (timer, timer)
658 673
659 #if EV_PERIODIC_ENABLE 674 #if EV_PERIODIC_ENABLE
660 EV_BEGIN_WATCHER (periodic, periodic) 675 EV_BEGIN_WATCHER (periodic, periodic)
661 void set (ev_tstamp at, ev_tstamp interval = 0.) throw () 676 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
… …
677 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 692 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
678 } 693 }
679 EV_END_WATCHER (periodic, periodic) 694 EV_END_WATCHER (periodic, periodic)
680 #endif 695 #endif
681 696
697 #if EV_SIGNAL_ENABLE
682 EV_BEGIN_WATCHER (sig, signal) 698 EV_BEGIN_WATCHER (sig, signal)
683 void set (int signum) throw () 699 void set (int signum) throw ()
684 { 700 {
685 int active = is_active (); 701 int active = is_active ();
686 if (active) stop (); 702 if (active) stop ();
… …
692 { 708 {
693 set (signum); 709 set (signum);
694 start (); 710 start ();
695 } 711 }
696 EV_END_WATCHER (sig, signal) 712 EV_END_WATCHER (sig, signal)
713 #endif
697 714
715 #if EV_CHILD_ENABLE
698 EV_BEGIN_WATCHER (child, child) 716 EV_BEGIN_WATCHER (child, child)
699 void set (int pid, int trace = 0) throw () 717 void set (int pid, int trace = 0) throw ()
700 { 718 {
701 int active = is_active (); 719 int active = is_active ();
702 if (active) stop (); 720 if (active) stop ();
… …
708 { 726 {
709 set (pid, trace); 727 set (pid, trace);
710 start (); 728 start ();
711 } 729 }
712 EV_END_WATCHER (child, child) 730 EV_END_WATCHER (child, child)
731 #endif
713 732
714 #if EV_STAT_ENABLE 733 #if EV_STAT_ENABLE
715 EV_BEGIN_WATCHER (stat, stat) 734 EV_BEGIN_WATCHER (stat, stat)
716 void set (const char *path, ev_tstamp interval = 0.) throw () 735 void set (const char *path, ev_tstamp interval = 0.) throw ()
717 { 736 {
… …
733 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 752 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
734 } 753 }
735 EV_END_WATCHER (stat, stat) 754 EV_END_WATCHER (stat, stat)
736 #endif 755 #endif
737 756
757 #if EV_IDLE_ENABLE
738 EV_BEGIN_WATCHER (idle, idle) 758 EV_BEGIN_WATCHER (idle, idle)
739 void set () throw () { } 759 void set () throw () { }
740 EV_END_WATCHER (idle, idle) 760 EV_END_WATCHER (idle, idle)
761 #endif
741 762
763 #if EV_PREPARE_ENABLE
742 EV_BEGIN_WATCHER (prepare, prepare) 764 EV_BEGIN_WATCHER (prepare, prepare)
743 void set () throw () { } 765 void set () throw () { }
744 EV_END_WATCHER (prepare, prepare) 766 EV_END_WATCHER (prepare, prepare)
767 #endif
745 768
769 #if EV_CHECK_ENABLE
746 EV_BEGIN_WATCHER (check, check) 770 EV_BEGIN_WATCHER (check, check)
747 void set () throw () { } 771 void set () throw () { }
748 EV_END_WATCHER (check, check) 772 EV_END_WATCHER (check, check)
773 #endif
749 774
750 #if EV_EMBED_ENABLE 775 #if EV_EMBED_ENABLE
751 EV_BEGIN_WATCHER (embed, embed) 776 EV_BEGIN_WATCHER (embed, embed)
752 void set (struct ev_loop *embedded_loop) throw () 777 void set (struct ev_loop *embedded_loop) throw ()
753 { 778 {
… …
776 EV_END_WATCHER (fork, fork) 801 EV_END_WATCHER (fork, fork)
777 #endif 802 #endif
778 803
779 #if EV_ASYNC_ENABLE 804 #if EV_ASYNC_ENABLE
780 EV_BEGIN_WATCHER (async, async) 805 EV_BEGIN_WATCHER (async, async)
781 void set () throw () { }
782
783 void send () throw () 806 void send () throw ()
784 { 807 {
785 ev_async_send (EV_A_ static_cast<ev_async *>(this)); 808 ev_async_send (EV_A_ static_cast<ev_async *>(this));
786 } 809 }
787 810

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