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Comparing libev/ev++.h (file contents):
Revision 1.25 by llucax, Fri Jan 18 18:13:40 2008 UTC vs.
Revision 1.39 by root, Tue Apr 15 04:34:07 2008 UTC

44# include EV_H 44# include EV_H
45#else 45#else
46# include "ev.h" 46# include "ev.h"
47#endif 47#endif
48 48
49#ifndef EV_USE_STDEXCEPT
50# define EV_USE_STDEXCEPT 1
51#endif
52
53#if EV_USE_STDEXCEPT
54# include <stdexcept>
55#endif
56
49namespace ev { 57namespace ev {
50 58
51 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
52 60
53 enum { 61 enum {
62 STAT = EV_STAT, 70 STAT = EV_STAT,
63 IDLE = EV_IDLE, 71 IDLE = EV_IDLE,
64 CHECK = EV_CHECK, 72 CHECK = EV_CHECK,
65 PREPARE = EV_PREPARE, 73 PREPARE = EV_PREPARE,
66 FORK = EV_FORK, 74 FORK = EV_FORK,
75 ASYNC = EV_ASYNC,
67 EMBED = EV_EMBED, 76 EMBED = EV_EMBED,
68 ERROR = EV_ERROR, 77 ERROR = EV_ERROR,
69 }; 78 };
70 79
71 enum 80 enum
91 { 100 {
92 ONE = EVUNLOOP_ONE, 101 ONE = EVUNLOOP_ONE,
93 ALL = EVUNLOOP_ALL 102 ALL = EVUNLOOP_ALL
94 }; 103 };
95 104
105 struct bad_loop
106#if EV_USE_STDEXCEPT
107 : std::runtime_error
108#endif
109 {
110#if EV_USE_STDEXCEPT
111 bad_loop ()
112 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
113 {
114 }
115#endif
116 };
117
118#ifdef EV_AX
119# undef EV_AX
120#endif
121
122#ifdef EV_AX_
123# undef EV_AX_
124#endif
125
126#if EV_MULTIPLICITY
127# define EV_AX raw_loop
128# define EV_AX_ raw_loop,
129#else
130# define EV_AX
131# define EV_AX_
132#endif
133
134 struct loop_ref
135 {
136 loop_ref (EV_P) throw ()
137#if EV_MULTIPLICITY
138 : EV_AX (EV_A)
139#endif
140 {
141 }
142
143 bool operator == (const loop_ref &other) const throw ()
144 {
145#if EV_MULTIPLICITY
146 return EV_AX == other.EV_AX;
147#else
148 return true;
149#endif
150 }
151
152 bool operator != (const loop_ref &other) const throw ()
153 {
154#if EV_MULTIPLICITY
155 return ! (*this == other);
156#else
157 return false;
158#endif
159 }
160
161#if EV_MULTIPLICITY
162 bool operator == (struct ev_loop *other) const throw ()
163 {
164 return this->EV_AX == other;
165 }
166
167 bool operator != (struct ev_loop *other) const throw ()
168 {
169 return ! (*this == other);
170 }
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);
180 }
181
182 operator struct ev_loop * () const throw ()
183 {
184 return EV_AX;
185 }
186
187 operator const struct ev_loop * () const throw ()
188 {
189 return EV_AX;
190 }
191
192 bool is_default () const throw ()
193 {
194 return EV_AX == ev_default_loop (0);
195 }
196#endif
197
198 void loop (int flags = 0)
199 {
200 ev_loop (EV_AX_ flags);
201 }
202
203 void unloop (how_t how = ONE) throw ()
204 {
205 ev_unloop (EV_AX_ how);
206 }
207
208 void post_fork () throw ()
209 {
210#if EV_MULTIPLICITY
211 ev_loop_fork (EV_AX);
212#else
213 ev_default_fork ();
214#endif
215 }
216
217 unsigned int count () const throw ()
218 {
219 return ev_loop_count (EV_AX);
220 }
221
222 unsigned int backend () const throw ()
223 {
224 return ev_backend (EV_AX);
225 }
226
227 tstamp now () const throw ()
228 {
229 return ev_now (EV_AX);
230 }
231
232 void ref () throw ()
233 {
234 ev_ref (EV_AX);
235 }
236
237 void unref () throw ()
238 {
239 ev_unref (EV_AX);
240 }
241
242 void set_io_collect_interval (tstamp interval) throw ()
243 {
244 ev_set_io_collect_interval (EV_AX_ interval);
245 }
246
247 void set_timeout_collect_interval (tstamp interval) throw ()
248 {
249 ev_set_timeout_collect_interval (EV_AX_ interval);
250 }
251
252 // function callback
253 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
254 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 }
257
258 // method callback
259 template<class K, void (K::*method)(int)>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, method>, object);
263 }
264
265 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void* arg)
267 {
268 K *obj = static_cast<K *>(arg);
269 (obj->*method) (revents);
270 }
271
272 // const 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)()>
288 void once (int fd, int events, tstamp timeout, K *object) throw ()
289 {
290 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
291 }
292
293 template<class K, void (K::*method)()>
294 static void method_noargs_thunk (int revents, void* arg)
295 {
296 K *obj = static_cast<K *>(arg);
297 (obj->*method) ();
298 }
299
300 // simpler function callback
301 template<void (*cb)(int)>
302 void once (int fd, int events, tstamp timeout) throw ()
303 {
304 once (fd, events, timeout, simpler_func_thunk<cb>);
305 }
306
307 template<void (*cb)(int)>
308 static void simpler_func_thunk (int revents, void* arg)
309 {
310 (*cb) (revents);
311 }
312
313 // simplest function callback
314 template<void (*cb)()>
315 void once (int fd, int events, tstamp timeout) throw ()
316 {
317 once (fd, events, timeout, simplest_func_thunk<cb>);
318 }
319
320 template<void (*cb)()>
321 static void simplest_func_thunk (int revents, void* arg)
322 {
323 (*cb) ();
324 }
325
326 void feed_fd_event (int fd, int revents) throw ()
327 {
328 ev_feed_fd_event (EV_AX_ fd, revents);
329 }
330
331 void feed_signal_event (int signum) throw ()
332 {
333 ev_feed_signal_event (EV_AX_ signum);
334 }
335
336#if EV_MULTIPLICITY
337 struct ev_loop* EV_AX;
338#endif
339
340 };
341
342#if EV_MULTIPLICITY
343 struct dynamic_loop : loop_ref
344 {
345
346 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
347 : loop_ref (ev_loop_new (flags))
348 {
349 if (!EV_AX)
350 throw bad_loop ();
351 }
352
353 ~dynamic_loop () throw ()
354 {
355 ev_loop_destroy (EV_AX);
356 EV_AX = 0;
357 }
358
359 private:
360
361 dynamic_loop (const dynamic_loop &);
362
363 dynamic_loop & operator= (const dynamic_loop &);
364
365 };
366#endif
367
368 struct default_loop : loop_ref
369 {
370 default_loop (unsigned int flags = AUTO) throw (bad_loop)
371#if EV_MULTIPLICITY
372 : loop_ref (ev_default_loop (flags))
373#endif
374 {
375 if (
376#if EV_MULTIPLICITY
377 !EV_AX
378#else
379 !ev_default_loop (flags)
380#endif
381 )
382 throw bad_loop ();
383 }
384
385 ~default_loop () throw ()
386 {
387 ev_default_destroy ();
388 }
389
390 private:
391 default_loop (const default_loop &);
392 default_loop &operator = (const default_loop &);
393 };
394
395 inline loop_ref get_default_loop () throw ()
396 {
397#if EV_MULTIPLICITY
398 return ev_default_loop (0);
399#else
400 return loop_ref ();
401#endif
402 }
403
404#undef EV_AX
405#undef EV_AX_
406
407#undef EV_PX
408#undef EV_PX_
409#if EV_MULTIPLICITY
410# define EV_PX loop_ref EV_A
411# define EV_PX_ loop_ref EV_A_
412#else
413# define EV_PX
414# define EV_PX_
415#endif
416
96 template<class ev_watcher, class watcher> 417 template<class ev_watcher, class watcher>
97 struct base : ev_watcher 418 struct base : ev_watcher
98 { 419 {
99 #if EV_MULTIPLICITY 420 #if EV_MULTIPLICITY
100 EV_P; 421 EV_PX;
101 422
102 void set (EV_P) 423 void set (EV_PX) throw ()
103 { 424 {
104 this->EV_A = EV_A; 425 this->EV_A = EV_A;
105 } 426 }
106 #endif 427 #endif
107 428
108 base () 429 base (EV_PX) throw ()
430 #if EV_MULTIPLICITY
431 : EV_A (EV_A)
432 #endif
109 { 433 {
110 ev_init (this, 0); 434 ev_init (this, 0);
111 } 435 }
112 436
113 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) 437 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
114 { 438 {
115 this->data = data; 439 this->data = data;
116 ev_set_cb (static_cast<ev_watcher *>(this), cb); 440 ev_set_cb (static_cast<ev_watcher *>(this), cb);
117 } 441 }
118 442
119 // method callback 443 // method callback
120 template<class K, void (K::*method)(watcher &w, int)> 444 template<class K, void (K::*method)(watcher &w, int)>
121 void set (K *object) 445 void set (K *object) throw ()
122 { 446 {
123 set_ (object, method_thunk<K, method>); 447 set_ (object, method_thunk<K, method>);
124 } 448 }
125 449
126 template<class K, void (K::*method)(watcher &w, int)> 450 template<class K, void (K::*method)(watcher &w, int)>
130 (obj->*method) (*static_cast<watcher *>(w), revents); 454 (obj->*method) (*static_cast<watcher *>(w), revents);
131 } 455 }
132 456
133 // const method callback 457 // const method callback
134 template<class K, void (K::*method)(watcher &w, int) const> 458 template<class K, void (K::*method)(watcher &w, int) const>
135 void set (const K *object) 459 void set (const K *object) throw ()
136 { 460 {
137 set_ (object, const_method_thunk<K, method>); 461 set_ (object, const_method_thunk<K, method>);
138 } 462 }
139 463
140 template<class K, void (K::*method)(watcher &w, int) const> 464 template<class K, void (K::*method)(watcher &w, int) const>
144 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); 468 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
145 } 469 }
146 470
147 // function callback 471 // function callback
148 template<void (*function)(watcher &w, int)> 472 template<void (*function)(watcher &w, int)>
149 void set (void *data = 0) 473 void set (void *data = 0) throw ()
150 { 474 {
151 set_ (data, function_thunk<function>); 475 set_ (data, function_thunk<function>);
152 } 476 }
153 477
154 template<void (*function)(watcher &w, int)> 478 template<void (*function)(watcher &w, int)>
157 function (*static_cast<watcher *>(w), revents); 481 function (*static_cast<watcher *>(w), revents);
158 } 482 }
159 483
160 // simple callback 484 // simple callback
161 template<class K, void (K::*method)()> 485 template<class K, void (K::*method)()>
162 void set (K *object) 486 void set (K *object) throw ()
163 { 487 {
164 set_ (object, method_noargs_thunk<K, method>); 488 set_ (object, method_noargs_thunk<K, method>);
165 } 489 }
166 490
167 template<class K, void (K::*method)()> 491 template<class K, void (K::*method)()>
175 { 499 {
176 return ev_cb (static_cast<ev_watcher *>(this)) 500 return ev_cb (static_cast<ev_watcher *>(this))
177 (static_cast<ev_watcher *>(this), events); 501 (static_cast<ev_watcher *>(this), events);
178 } 502 }
179 503
180 bool is_active () const 504 bool is_active () const throw ()
181 { 505 {
182 return ev_is_active (static_cast<const ev_watcher *>(this)); 506 return ev_is_active (static_cast<const ev_watcher *>(this));
183 } 507 }
184 508
185 bool is_pending () const 509 bool is_pending () const throw ()
186 { 510 {
187 return ev_is_pending (static_cast<const ev_watcher *>(this)); 511 return ev_is_pending (static_cast<const ev_watcher *>(this));
188 } 512 }
513
514 void feed_event (int revents) throw ()
515 {
516 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
517 }
518 };
519
520 inline tstamp now () throw ()
521 {
522 return ev_time ();
189 }; 523 }
190 524
191 525 inline void delay (tstamp interval) throw ()
192 inline ev_tstamp now (EV_P)
193 { 526 {
194 return ev_now (EV_A); 527 ev_sleep (interval);
528 }
529
530 inline int version_major () throw ()
531 {
532 return ev_version_major ();
533 }
534
535 inline int version_minor () throw ()
536 {
537 return ev_version_minor ();
538 }
539
540 inline unsigned int supported_backends () throw ()
541 {
542 return ev_supported_backends ();
543 }
544
545 inline unsigned int recommended_backends () throw ()
546 {
547 return ev_recommended_backends ();
548 }
549
550 inline unsigned int embeddable_backends () throw ()
551 {
552 return ev_embeddable_backends ();
553 }
554
555 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
556 {
557 ev_set_allocator (cb);
558 }
559
560 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
561 {
562 ev_set_syserr_cb (cb);
195 } 563 }
196 564
197 #if EV_MULTIPLICITY 565 #if EV_MULTIPLICITY
198 #define EV_CONSTRUCT \ 566 #define EV_CONSTRUCT(cppstem,cstem) \
199 (EV_P = EV_DEFAULT) \ 567 (EV_PX = get_default_loop ()) throw () \
568 : base<ev_ ## cstem, cppstem> (EV_A) \
200 { \ 569 { \
201 set (EV_A); \
202 } 570 }
203 #else 571 #else
204 #define EV_CONSTRUCT \ 572 #define EV_CONSTRUCT(cppstem,cstem) \
205 () \ 573 () throw () \
206 { \ 574 { \
207 } 575 }
208 #endif 576 #endif
209 577
210 /* using a template here would require quite a bit more lines, 578 /* using a template here would require quite a bit more lines,
211 * so a macro solution was chosen */ 579 * so a macro solution was chosen */
212 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 580 #define EV_BEGIN_WATCHER(cppstem,cstem) \
213 \ 581 \
214 struct cppstem : base<ev_ ## cstem, cppstem> \ 582 struct cppstem : base<ev_ ## cstem, cppstem> \
215 { \ 583 { \
216 void start () \ 584 void start () throw () \
217 { \ 585 { \
218 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 586 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
219 } \ 587 } \
220 \ 588 \
221 void stop () \ 589 void stop () throw () \
222 { \ 590 { \
223 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 591 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
224 } \ 592 } \
225 \ 593 \
226 cppstem EV_CONSTRUCT \ 594 cppstem EV_CONSTRUCT(cppstem,cstem) \
227 \ 595 \
228 ~cppstem () \ 596 ~cppstem () throw () \
229 { \ 597 { \
230 stop (); \ 598 stop (); \
231 } \ 599 } \
232 \ 600 \
233 using base<ev_ ## cstem, cppstem>::set; \ 601 using base<ev_ ## cstem, cppstem>::set; \
234 \ 602 \
235 private: \ 603 private: \
236 \ 604 \
237 cppstem (const cppstem &o); \ 605 cppstem (const cppstem &o); \
238 \ 606 \
239 cppstem & operator =(const cppstem &o); \ 607 cppstem &operator =(const cppstem &o); \
240 \ 608 \
241 public: 609 public:
242 610
243 #define EV_END_WATCHER(cppstem,cstem) \ 611 #define EV_END_WATCHER(cppstem,cstem) \
244 }; 612 };
245 613
246 EV_BEGIN_WATCHER (io, io) 614 EV_BEGIN_WATCHER (io, io)
247 void set (int fd, int events) 615 void set (int fd, int events) throw ()
248 { 616 {
249 int active = is_active (); 617 int active = is_active ();
250 if (active) stop (); 618 if (active) stop ();
251 ev_io_set (static_cast<ev_io *>(this), fd, events); 619 ev_io_set (static_cast<ev_io *>(this), fd, events);
252 if (active) start (); 620 if (active) start ();
253 } 621 }
254 622
255 void set (int events) 623 void set (int events) throw ()
256 { 624 {
257 int active = is_active (); 625 int active = is_active ();
258 if (active) stop (); 626 if (active) stop ();
259 ev_io_set (static_cast<ev_io *>(this), fd, events); 627 ev_io_set (static_cast<ev_io *>(this), fd, events);
260 if (active) start (); 628 if (active) start ();
261 } 629 }
262 630
263 void start (int fd, int events) 631 void start (int fd, int events) throw ()
264 { 632 {
265 set (fd, events); 633 set (fd, events);
266 start (); 634 start ();
267 } 635 }
268 EV_END_WATCHER (io, io) 636 EV_END_WATCHER (io, io)
269 637
270 EV_BEGIN_WATCHER (timer, timer) 638 EV_BEGIN_WATCHER (timer, timer)
271 void set (ev_tstamp after, ev_tstamp repeat = 0.) 639 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
272 { 640 {
273 int active = is_active (); 641 int active = is_active ();
274 if (active) stop (); 642 if (active) stop ();
275 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 643 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
276 if (active) start (); 644 if (active) start ();
277 } 645 }
278 646
279 void start (ev_tstamp after, ev_tstamp repeat = 0.) 647 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
280 { 648 {
281 set (after, repeat); 649 set (after, repeat);
282 start (); 650 start ();
283 } 651 }
284 652
285 void again () 653 void again () throw ()
286 { 654 {
287 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
288 } 656 }
289 EV_END_WATCHER (timer, timer) 657 EV_END_WATCHER (timer, timer)
290 658
291 #if EV_PERIODIC_ENABLE 659 #if EV_PERIODIC_ENABLE
292 EV_BEGIN_WATCHER (periodic, periodic) 660 EV_BEGIN_WATCHER (periodic, periodic)
293 void set (ev_tstamp at, ev_tstamp interval = 0.) 661 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
294 { 662 {
295 int active = is_active (); 663 int active = is_active ();
296 if (active) stop (); 664 if (active) stop ();
297 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 665 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
298 if (active) start (); 666 if (active) start ();
299 } 667 }
300 668
301 void start (ev_tstamp at, ev_tstamp interval = 0.) 669 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
302 { 670 {
303 set (at, interval); 671 set (at, interval);
304 start (); 672 start ();
305 } 673 }
306 674
307 void again () 675 void again () throw ()
308 { 676 {
309 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 677 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
310 } 678 }
311 EV_END_WATCHER (periodic, periodic) 679 EV_END_WATCHER (periodic, periodic)
312 #endif 680 #endif
313 681
314 EV_BEGIN_WATCHER (sig, signal) 682 EV_BEGIN_WATCHER (sig, signal)
315 void set (int signum) 683 void set (int signum) throw ()
316 { 684 {
317 int active = is_active (); 685 int active = is_active ();
318 if (active) stop (); 686 if (active) stop ();
319 ev_signal_set (static_cast<ev_signal *>(this), signum); 687 ev_signal_set (static_cast<ev_signal *>(this), signum);
320 if (active) start (); 688 if (active) start ();
321 } 689 }
322 690
323 void start (int signum) 691 void start (int signum) throw ()
324 { 692 {
325 set (signum); 693 set (signum);
326 start (); 694 start ();
327 } 695 }
328 EV_END_WATCHER (sig, signal) 696 EV_END_WATCHER (sig, signal)
329 697
330 EV_BEGIN_WATCHER (child, child) 698 EV_BEGIN_WATCHER (child, child)
331 void set (int pid) 699 void set (int pid, int trace = 0) throw ()
332 { 700 {
333 int active = is_active (); 701 int active = is_active ();
334 if (active) stop (); 702 if (active) stop ();
335 ev_child_set (static_cast<ev_child *>(this), pid); 703 ev_child_set (static_cast<ev_child *>(this), pid, trace);
336 if (active) start (); 704 if (active) start ();
337 } 705 }
338 706
339 void start (int pid) 707 void start (int pid, int trace = 0) throw ()
340 { 708 {
341 set (pid); 709 set (pid, trace);
342 start (); 710 start ();
343 } 711 }
344 EV_END_WATCHER (child, child) 712 EV_END_WATCHER (child, child)
345 713
346 #if EV_STAT_ENABLE 714 #if EV_STAT_ENABLE
347 EV_BEGIN_WATCHER (stat, stat) 715 EV_BEGIN_WATCHER (stat, stat)
348 void set (const char *path, ev_tstamp interval = 0.) 716 void set (const char *path, ev_tstamp interval = 0.) throw ()
349 { 717 {
350 int active = is_active (); 718 int active = is_active ();
351 if (active) stop (); 719 if (active) stop ();
352 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 720 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
353 if (active) start (); 721 if (active) start ();
354 } 722 }
355 723
356 void start (const char *path, ev_tstamp interval = 0.) 724 void start (const char *path, ev_tstamp interval = 0.) throw ()
357 { 725 {
358 stop (); 726 stop ();
359 set (path, interval); 727 set (path, interval);
360 start (); 728 start ();
361 } 729 }
362 730
363 void update () 731 void update () throw ()
364 { 732 {
365 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 733 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
366 } 734 }
367 EV_END_WATCHER (stat, stat) 735 EV_END_WATCHER (stat, stat)
368 #endif 736 #endif
369 737
370 EV_BEGIN_WATCHER (idle, idle) 738 EV_BEGIN_WATCHER (idle, idle)
371 void set () { } 739 void set () throw () { }
372 EV_END_WATCHER (idle, idle) 740 EV_END_WATCHER (idle, idle)
373 741
374 EV_BEGIN_WATCHER (prepare, prepare) 742 EV_BEGIN_WATCHER (prepare, prepare)
375 void set () { } 743 void set () throw () { }
376 EV_END_WATCHER (prepare, prepare) 744 EV_END_WATCHER (prepare, prepare)
377 745
378 EV_BEGIN_WATCHER (check, check) 746 EV_BEGIN_WATCHER (check, check)
379 void set () { } 747 void set () throw () { }
380 EV_END_WATCHER (check, check) 748 EV_END_WATCHER (check, check)
381 749
382 #if EV_EMBED_ENABLE 750 #if EV_EMBED_ENABLE
383 EV_BEGIN_WATCHER (embed, embed) 751 EV_BEGIN_WATCHER (embed, embed)
384 void start (struct ev_loop *embedded_loop) 752 void set (struct ev_loop *embedded_loop) throw ()
385 { 753 {
386 stop (); 754 int active = is_active ();
755 if (active) stop ();
387 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 756 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
757 if (active) start ();
758 }
759
760 void start (struct ev_loop *embedded_loop) throw ()
761 {
762 set (embedded_loop);
388 start (); 763 start ();
389 } 764 }
390 765
391 void sweep () 766 void sweep ()
392 { 767 {
395 EV_END_WATCHER (embed, embed) 770 EV_END_WATCHER (embed, embed)
396 #endif 771 #endif
397 772
398 #if EV_FORK_ENABLE 773 #if EV_FORK_ENABLE
399 EV_BEGIN_WATCHER (fork, fork) 774 EV_BEGIN_WATCHER (fork, fork)
400 void set () { } 775 void set () throw () { }
401 EV_END_WATCHER (fork, fork) 776 EV_END_WATCHER (fork, fork)
402 #endif 777 #endif
403 778
779 #if EV_ASYNC_ENABLE
780 EV_BEGIN_WATCHER (async, async)
781 void set () throw () { }
782
783 void send () throw ()
784 {
785 ev_async_send (EV_A_ static_cast<ev_async *>(this));
786 }
787
788 bool async_pending () throw ()
789 {
790 return ev_async_pending (static_cast<ev_async *>(this));
791 }
792 EV_END_WATCHER (async, async)
793 #endif
794
795 #undef EV_PX
796 #undef EV_PX_
404 #undef EV_CONSTRUCT 797 #undef EV_CONSTRUCT
405 #undef EV_BEGIN_WATCHER 798 #undef EV_BEGIN_WATCHER
406 #undef EV_END_WATCHER 799 #undef EV_END_WATCHER
407} 800}
408 801

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