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Comparing libev/ev++.h (file contents):
Revision 1.23 by llucax, Fri Jan 18 18:12:42 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 *
… …
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 template<class ev_watcher, class watcher> 59 typedef ev_tstamp tstamp;
52 struct base : ev_watcher
53 {
54 #if EV_MULTIPLICITY
55 EV_P;
56 60
57 void set (EV_P)
58 {
59 this->EV_A = EV_A;
60 }
61 #endif
62
63 base ()
64 {
65 ev_init (this, 0);
66 }
67
68 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
69 {
70 this->data = data;
71 ev_set_cb (static_cast<ev_watcher *>(this), cb);
72 }
73
74 // method callback
75 template<class K, void (K::*method)(watcher &w, int)>
76 void set (K *object)
77 {
78 set_ (object, method_thunk<K, method>);
79 }
80
81 template<class K, void (K::*method)(watcher &w, int)>
82 static void method_thunk (EV_P_ ev_watcher *w, int revents)
83 {
84 K *obj = static_cast<K *>(w->data);
85 (obj->*method) (*static_cast<watcher *>(w), revents);
86 }
87
88 // const method callback
89 template<class K, void (K::*method)(watcher &w, int) const>
90 void set (const K *object)
91 {
92 set_ (object, const_method_thunk<K, method>);
93 }
94
95 template<class K, void (K::*method)(watcher &w, int) const>
96 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
97 {
98 K *obj = static_cast<K *>(w->data);
99 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
100 }
101
102 // function callback
103 template<void (*function)(watcher &w, int)>
104 void set (void *data = 0)
105 {
106 set_ (data, function_thunk<function>);
107 }
108
109 template<void (*function)(watcher &w, int)>
110 static void function_thunk (EV_P_ ev_watcher *w, int revents)
111 {
112 function (*static_cast<watcher *>(w), revents);
113 }
114
115 // simple callback
116 template<class K, void (K::*method)()>
117 void set (K *object)
118 {
119 set_ (object, method_noargs_thunk<K, method>);
120 }
121
122 template<class K, void (K::*method)()>
123 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
124 {
125 K *obj = static_cast<K *>(w->data);
126 (obj->*method) ();
127 }
128
129 void operator ()(int events = EV_UNDEF)
130 {
131 return ev_cb (static_cast<ev_watcher *>(this))
132 (static_cast<ev_watcher *>(this), events);
133 }
134
135 bool is_active () const
136 {
137 return ev_is_active (static_cast<const ev_watcher *>(this));
138 }
139
140 bool is_pending () const
141 {
142 return ev_is_pending (static_cast<const ev_watcher *>(this));
143 }
144 };
145
146 enum { 61 enum
62 {
147 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
148 NONE = EV_NONE, 64 NONE = EV_NONE,
149 READ = EV_READ, 65 READ = EV_READ,
150 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
67#if EV_COMPAT3
151 TIMEOUT = EV_TIMEOUT, 68 TIMEOUT = EV_TIMEOUT,
69#endif
70 TIMER = EV_TIMER,
152 PERIODIC = EV_PERIODIC, 71 PERIODIC = EV_PERIODIC,
153 SIGNAL = EV_SIGNAL, 72 SIGNAL = EV_SIGNAL,
154 CHILD = EV_CHILD, 73 CHILD = EV_CHILD,
155 STAT = EV_STAT, 74 STAT = EV_STAT,
156 IDLE = EV_IDLE, 75 IDLE = EV_IDLE,
157 CHECK = EV_CHECK, 76 CHECK = EV_CHECK,
158 PREPARE = EV_PREPARE, 77 PREPARE = EV_PREPARE,
159 FORK = EV_FORK, 78 FORK = EV_FORK,
79 ASYNC = EV_ASYNC,
160 EMBED = EV_EMBED, 80 EMBED = EV_EMBED,
81# undef ERROR // some systems stupidly #define ERROR
161 ERROR = EV_ERROR, 82 ERROR = EV_ERROR
162 }; 83 };
163 84
164 typedef ev_tstamp tstamp; 85 enum
86 {
87 AUTO = EVFLAG_AUTO,
88 NOENV = EVFLAG_NOENV,
89 FORKCHECK = EVFLAG_FORKCHECK,
165 90
166 inline ev_tstamp now (EV_P) 91 SELECT = EVBACKEND_SELECT,
92 POLL = EVBACKEND_POLL,
93 EPOLL = EVBACKEND_EPOLL,
94 KQUEUE = EVBACKEND_KQUEUE,
95 DEVPOLL = EVBACKEND_DEVPOLL,
96 PORT = EVBACKEND_PORT
97 };
98
99 enum
100 {
101#if EV_COMPAT3
102 NONBLOCK = EVLOOP_NONBLOCK,
103 ONESHOT = EVLOOP_ONESHOT,
104#endif
105 NOWAIT = EVRUN_NOWAIT,
106 ONCE = EVRUN_ONCE
107 };
108
109 enum how_t
110 {
111 ONE = EVBREAK_ONE,
112 ALL = EVBREAK_ALL
113 };
114
115 struct bad_loop
116#if EV_USE_STDEXCEPT
117 : std::runtime_error
118#endif
119 {
120#if EV_USE_STDEXCEPT
121 bad_loop ()
122 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
167 { 123 {
124 }
125#endif
126 };
127
128#ifdef EV_AX
129# undef EV_AX
130#endif
131
132#ifdef EV_AX_
133# undef EV_AX_
134#endif
135
136#if EV_MULTIPLICITY
137# define EV_AX raw_loop
138# define EV_AX_ raw_loop,
139#else
140# define EV_AX
141# define EV_AX_
142#endif
143
144 struct loop_ref
145 {
146 loop_ref (EV_P) throw ()
147#if EV_MULTIPLICITY
148 : EV_AX (EV_A)
149#endif
150 {
151 }
152
153 bool operator == (const loop_ref &other) const throw ()
154 {
155#if EV_MULTIPLICITY
156 return EV_AX == other.EV_AX;
157#else
158 return true;
159#endif
160 }
161
162 bool operator != (const loop_ref &other) const throw ()
163 {
164#if EV_MULTIPLICITY
165 return ! (*this == other);
166#else
167 return false;
168#endif
169 }
170
171#if EV_MULTIPLICITY
172 bool operator == (const EV_P) const throw ()
173 {
174 return this->EV_AX == EV_A;
175 }
176
177 bool operator != (const EV_P) const throw ()
178 {
179 return (*this == EV_A);
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#if EV_COMPAT3
199 void loop (int flags = 0)
200 {
201 ev_run (EV_AX_ flags);
202 }
203
204 void unloop (how_t how = ONE) throw ()
205 {
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);
218 }
219
220 void post_fork () throw ()
221 {
222#if EV_MULTIPLICITY
223 ev_loop_fork (EV_AX);
224#else
225 ev_default_fork ();
226#endif
227 }
228
229 unsigned int backend () const throw ()
230 {
231 return ev_backend (EV_AX);
232 }
233
234 tstamp now () const throw ()
235 {
168 return ev_now (EV_A); 236 return ev_now (EV_AX);
237 }
238
239 void ref () throw ()
240 {
241 ev_ref (EV_AX);
242 }
243
244 void unref () throw ()
245 {
246 ev_unref (EV_AX);
247 }
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
260 void set_io_collect_interval (tstamp interval) throw ()
261 {
262 ev_set_io_collect_interval (EV_AX_ interval);
263 }
264
265 void set_timeout_collect_interval (tstamp interval) throw ()
266 {
267 ev_set_timeout_collect_interval (EV_AX_ interval);
268 }
269#endif
270
271 // function callback
272 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
273 {
274 ev_once (EV_AX_ fd, events, timeout, cb, arg);
275 }
276
277 // method callback
278 template<class K, void (K::*method)(int)>
279 void once (int fd, int events, tstamp timeout, K *object) throw ()
280 {
281 once (fd, events, timeout, method_thunk<K, method>, object);
282 }
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
291 template<class K, void (K::*method)(int)>
292 static void method_thunk (int revents, void *arg)
293 {
294 static_cast<K *>(arg)->*method
295 (revents);
296 }
297
298 // no-argument method callback
299 template<class K, void (K::*method)()>
300 void once (int fd, int events, tstamp timeout, K *object) throw ()
301 {
302 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
303 }
304
305 template<class K, void (K::*method)()>
306 static void method_noargs_thunk (int revents, void *arg)
307 {
308 static_cast<K *>(arg)->*method
309 ();
310 }
311
312 // simpler function callback
313 template<void (*cb)(int)>
314 void once (int fd, int events, tstamp timeout) throw ()
315 {
316 once (fd, events, timeout, simpler_func_thunk<cb>);
317 }
318
319 template<void (*cb)(int)>
320 static void simpler_func_thunk (int revents, void *arg)
321 {
322 (*cb)
323 (revents);
324 }
325
326 // simplest function callback
327 template<void (*cb)()>
328 void once (int fd, int events, tstamp timeout) throw ()
329 {
330 once (fd, events, timeout, simplest_func_thunk<cb>);
331 }
332
333 template<void (*cb)()>
334 static void simplest_func_thunk (int revents, void *arg)
335 {
336 (*cb)
337 ();
338 }
339
340 void feed_fd_event (int fd, int revents) throw ()
341 {
342 ev_feed_fd_event (EV_AX_ fd, revents);
343 }
344
345 void feed_signal_event (int signum) throw ()
346 {
347 ev_feed_signal_event (EV_AX_ signum);
348 }
349
350#if EV_MULTIPLICITY
351 struct ev_loop* EV_AX;
352#endif
353
354 };
355
356#if EV_MULTIPLICITY
357 struct dynamic_loop : loop_ref
358 {
359
360 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
361 : loop_ref (ev_loop_new (flags))
362 {
363 if (!EV_AX)
364 throw bad_loop ();
365 }
366
367 ~dynamic_loop () throw ()
368 {
369 ev_loop_destroy (EV_AX);
370 EV_AX = 0;
371 }
372
373 private:
374
375 dynamic_loop (const dynamic_loop &);
376
377 dynamic_loop & operator= (const dynamic_loop &);
378
379 };
380#endif
381
382 struct default_loop : loop_ref
383 {
384 default_loop (unsigned int flags = AUTO) throw (bad_loop)
385#if EV_MULTIPLICITY
386 : loop_ref (ev_default_loop (flags))
387#endif
388 {
389 if (
390#if EV_MULTIPLICITY
391 !EV_AX
392#else
393 !ev_default_loop (flags)
394#endif
395 )
396 throw bad_loop ();
397 }
398
399 ~default_loop () throw ()
400 {
401 ev_default_destroy ();
402 }
403
404 private:
405 default_loop (const default_loop &);
406 default_loop &operator = (const default_loop &);
407 };
408
409 inline loop_ref get_default_loop () throw ()
410 {
411#if EV_MULTIPLICITY
412 return ev_default_loop (0);
413#else
414 return loop_ref ();
415#endif
416 }
417
418#undef EV_AX
419#undef EV_AX_
420
421#undef EV_PX
422#undef EV_PX_
423#if EV_MULTIPLICITY
424# define EV_PX loop_ref EV_A
425# define EV_PX_ loop_ref EV_A_
426#else
427# define EV_PX
428# define EV_PX_
429#endif
430
431 template<class ev_watcher, class watcher>
432 struct base : ev_watcher
433 {
434 #if EV_MULTIPLICITY
435 EV_PX;
436
437 // loop set
438 void set (EV_P) throw ()
439 {
440 this->EV_A = EV_A;
441 }
442 #endif
443
444 base (EV_PX) throw ()
445 #if EV_MULTIPLICITY
446 : EV_A (EV_A)
447 #endif
448 {
449 ev_init (this, 0);
450 }
451
452 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
453 {
454 this->data = (void *)data;
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);
470 }
471
472 // method callback
473 template<class K, void (K::*method)(watcher &w, int)>
474 void set (K *object) throw ()
475 {
476 set_ (object, method_thunk<K, method>);
477 }
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
486 template<class K, void (K::*method)(watcher &w, int)>
487 static void method_thunk (EV_P_ ev_watcher *w, int revents)
488 {
489 (static_cast<K *>(w->data)->*method)
490 (*static_cast<watcher *>(w), revents);
491 }
492
493 // no-argument callback
494 template<class K, void (K::*method)()>
495 void set (K *object) throw ()
496 {
497 set_ (object, method_noargs_thunk<K, method>);
498 }
499
500 template<class K, void (K::*method)()>
501 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
502 {
503 (static_cast<K *>(w->data)->*method)
504 ();
505 }
506
507 void operator ()(int events = EV_UNDEF)
508 {
509 return
510 ev_cb (static_cast<ev_watcher *>(this))
511 (static_cast<ev_watcher *>(this), events);
512 }
513
514 bool is_active () const throw ()
515 {
516 return ev_is_active (static_cast<const ev_watcher *>(this));
517 }
518
519 bool is_pending () const throw ()
520 {
521 return ev_is_pending (static_cast<const ev_watcher *>(this));
522 }
523
524 void feed_event (int revents) throw ()
525 {
526 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
527 }
528 };
529
530 inline tstamp now () throw ()
531 {
532 return ev_time ();
533 }
534
535 inline void delay (tstamp interval) throw ()
536 {
537 ev_sleep (interval);
538 }
539
540 inline int version_major () throw ()
541 {
542 return ev_version_major ();
543 }
544
545 inline int version_minor () throw ()
546 {
547 return ev_version_minor ();
548 }
549
550 inline unsigned int supported_backends () throw ()
551 {
552 return ev_supported_backends ();
553 }
554
555 inline unsigned int recommended_backends () throw ()
556 {
557 return ev_recommended_backends ();
558 }
559
560 inline unsigned int embeddable_backends () throw ()
561 {
562 return ev_embeddable_backends ();
563 }
564
565 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
566 {
567 ev_set_allocator (cb);
568 }
569
570 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
571 {
572 ev_set_syserr_cb (cb);
169 } 573 }
170 574
171 #if EV_MULTIPLICITY 575 #if EV_MULTIPLICITY
172 #define EV_CONSTRUCT \ 576 #define EV_CONSTRUCT(cppstem,cstem) \
173 (EV_P = EV_DEFAULT) \ 577 (EV_PX = get_default_loop ()) throw () \
578 : base<ev_ ## cstem, cppstem> (EV_A) \
174 { \ 579 { \
175 set (EV_A); \
176 } 580 }
177 #else 581 #else
178 #define EV_CONSTRUCT \ 582 #define EV_CONSTRUCT(cppstem,cstem) \
179 () \ 583 () throw () \
180 { \ 584 { \
181 } 585 }
182 #endif 586 #endif
183 587
184 /* using a template here would require quite a bit more lines, 588 /* using a template here would require quite a bit more lines,
185 * so a macro solution was chosen */ 589 * so a macro solution was chosen */
186 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 590 #define EV_BEGIN_WATCHER(cppstem,cstem) \
187 \ 591 \
188 struct cppstem : base<ev_ ## cstem, cppstem> \ 592 struct cppstem : base<ev_ ## cstem, cppstem> \
189 { \ 593 { \
190 void start () \ 594 void start () throw () \
191 { \ 595 { \
192 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 596 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
193 } \ 597 } \
194 \ 598 \
195 void stop () \ 599 void stop () throw () \
196 { \ 600 { \
197 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 601 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
198 } \ 602 } \
199 \ 603 \
200 cppstem EV_CONSTRUCT \ 604 cppstem EV_CONSTRUCT(cppstem,cstem) \
201 \ 605 \
202 ~cppstem () \ 606 ~cppstem () throw () \
203 { \ 607 { \
204 stop (); \ 608 stop (); \
205 } \ 609 } \
206 \ 610 \
207 using base<ev_ ## cstem, cppstem>::set; \ 611 using base<ev_ ## cstem, cppstem>::set; \
208 \ 612 \
209 private: \ 613 private: \
210 \ 614 \
211 cppstem (const cppstem &o); \ 615 cppstem (const cppstem &o); \
212 \ 616 \
213 cppstem & operator =(const cppstem &o); \ 617 cppstem &operator =(const cppstem &o); \
214 \ 618 \
215 public: 619 public:
216 620
217 #define EV_END_WATCHER(cppstem,cstem) \ 621 #define EV_END_WATCHER(cppstem,cstem) \
218 }; 622 };
219 623
220 EV_BEGIN_WATCHER (io, io) 624 EV_BEGIN_WATCHER (io, io)
221 void set (int fd, int events) 625 void set (int fd, int events) throw ()
222 { 626 {
223 int active = is_active (); 627 int active = is_active ();
224 if (active) stop (); 628 if (active) stop ();
225 ev_io_set (static_cast<ev_io *>(this), fd, events); 629 ev_io_set (static_cast<ev_io *>(this), fd, events);
226 if (active) start (); 630 if (active) start ();
227 } 631 }
228 632
229 void set (int events) 633 void set (int events) throw ()
230 { 634 {
231 int active = is_active (); 635 int active = is_active ();
232 if (active) stop (); 636 if (active) stop ();
233 ev_io_set (static_cast<ev_io *>(this), fd, events); 637 ev_io_set (static_cast<ev_io *>(this), fd, events);
234 if (active) start (); 638 if (active) start ();
235 } 639 }
236 640
237 void start (int fd, int events) 641 void start (int fd, int events) throw ()
238 { 642 {
239 set (fd, events); 643 set (fd, events);
240 start (); 644 start ();
241 } 645 }
242 EV_END_WATCHER (io, io) 646 EV_END_WATCHER (io, io)
243 647
244 EV_BEGIN_WATCHER (timer, timer) 648 EV_BEGIN_WATCHER (timer, timer)
245 void set (ev_tstamp after, ev_tstamp repeat = 0.) 649 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
246 { 650 {
247 int active = is_active (); 651 int active = is_active ();
248 if (active) stop (); 652 if (active) stop ();
249 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 653 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
250 if (active) start (); 654 if (active) start ();
251 } 655 }
252 656
253 void start (ev_tstamp after, ev_tstamp repeat = 0.) 657 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
254 { 658 {
255 set (after, repeat); 659 set (after, repeat);
256 start (); 660 start ();
257 } 661 }
258 662
259 void again () 663 void again () throw ()
260 { 664 {
261 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 665 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
666 }
667
668 ev_tstamp remaining ()
669 {
670 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
262 } 671 }
263 EV_END_WATCHER (timer, timer) 672 EV_END_WATCHER (timer, timer)
264 673
265 #if EV_PERIODIC_ENABLE 674 #if EV_PERIODIC_ENABLE
266 EV_BEGIN_WATCHER (periodic, periodic) 675 EV_BEGIN_WATCHER (periodic, periodic)
267 void set (ev_tstamp at, ev_tstamp interval = 0.) 676 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
268 { 677 {
269 int active = is_active (); 678 int active = is_active ();
270 if (active) stop (); 679 if (active) stop ();
271 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 680 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
272 if (active) start (); 681 if (active) start ();
273 } 682 }
274 683
275 void start (ev_tstamp at, ev_tstamp interval = 0.) 684 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
276 { 685 {
277 set (at, interval); 686 set (at, interval);
278 start (); 687 start ();
279 } 688 }
280 689
281 void again () 690 void again () throw ()
282 { 691 {
283 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 692 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
284 } 693 }
285 EV_END_WATCHER (periodic, periodic) 694 EV_END_WATCHER (periodic, periodic)
286 #endif 695 #endif
287 696
697 #if EV_SIGNAL_ENABLE
288 EV_BEGIN_WATCHER (sig, signal) 698 EV_BEGIN_WATCHER (sig, signal)
289 void set (int signum) 699 void set (int signum) throw ()
290 { 700 {
291 int active = is_active (); 701 int active = is_active ();
292 if (active) stop (); 702 if (active) stop ();
293 ev_signal_set (static_cast<ev_signal *>(this), signum); 703 ev_signal_set (static_cast<ev_signal *>(this), signum);
294 if (active) start (); 704 if (active) start ();
295 } 705 }
296 706
297 void start (int signum) 707 void start (int signum) throw ()
298 { 708 {
299 set (signum); 709 set (signum);
300 start (); 710 start ();
301 } 711 }
302 EV_END_WATCHER (sig, signal) 712 EV_END_WATCHER (sig, signal)
713 #endif
303 714
715 #if EV_CHILD_ENABLE
304 EV_BEGIN_WATCHER (child, child) 716 EV_BEGIN_WATCHER (child, child)
305 void set (int pid) 717 void set (int pid, int trace = 0) throw ()
306 { 718 {
307 int active = is_active (); 719 int active = is_active ();
308 if (active) stop (); 720 if (active) stop ();
309 ev_child_set (static_cast<ev_child *>(this), pid); 721 ev_child_set (static_cast<ev_child *>(this), pid, trace);
310 if (active) start (); 722 if (active) start ();
311 } 723 }
312 724
313 void start (int pid) 725 void start (int pid, int trace = 0) throw ()
314 { 726 {
315 set (pid); 727 set (pid, trace);
316 start (); 728 start ();
317 } 729 }
318 EV_END_WATCHER (child, child) 730 EV_END_WATCHER (child, child)
731 #endif
319 732
320 #if EV_STAT_ENABLE 733 #if EV_STAT_ENABLE
321 EV_BEGIN_WATCHER (stat, stat) 734 EV_BEGIN_WATCHER (stat, stat)
322 void set (const char *path, ev_tstamp interval = 0.) 735 void set (const char *path, ev_tstamp interval = 0.) throw ()
323 { 736 {
324 int active = is_active (); 737 int active = is_active ();
325 if (active) stop (); 738 if (active) stop ();
326 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 739 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
327 if (active) start (); 740 if (active) start ();
328 } 741 }
329 742
330 void start (const char *path, ev_tstamp interval = 0.) 743 void start (const char *path, ev_tstamp interval = 0.) throw ()
331 { 744 {
332 stop (); 745 stop ();
333 set (path, interval); 746 set (path, interval);
334 start (); 747 start ();
335 } 748 }
336 749
337 void update () 750 void update () throw ()
338 { 751 {
339 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 752 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
340 } 753 }
341 EV_END_WATCHER (stat, stat) 754 EV_END_WATCHER (stat, stat)
342 #endif 755 #endif
343 756
757 #if EV_IDLE_ENABLE
344 EV_BEGIN_WATCHER (idle, idle) 758 EV_BEGIN_WATCHER (idle, idle)
345 void set () { } 759 void set () throw () { }
346 EV_END_WATCHER (idle, idle) 760 EV_END_WATCHER (idle, idle)
761 #endif
347 762
763 #if EV_PREPARE_ENABLE
348 EV_BEGIN_WATCHER (prepare, prepare) 764 EV_BEGIN_WATCHER (prepare, prepare)
349 void set () { } 765 void set () throw () { }
350 EV_END_WATCHER (prepare, prepare) 766 EV_END_WATCHER (prepare, prepare)
767 #endif
351 768
769 #if EV_CHECK_ENABLE
352 EV_BEGIN_WATCHER (check, check) 770 EV_BEGIN_WATCHER (check, check)
353 void set () { } 771 void set () throw () { }
354 EV_END_WATCHER (check, check) 772 EV_END_WATCHER (check, check)
773 #endif
355 774
356 #if EV_EMBED_ENABLE 775 #if EV_EMBED_ENABLE
357 EV_BEGIN_WATCHER (embed, embed) 776 EV_BEGIN_WATCHER (embed, embed)
358 void start (struct ev_loop *embedded_loop) 777 void set (struct ev_loop *embedded_loop) throw ()
359 { 778 {
360 stop (); 779 int active = is_active ();
780 if (active) stop ();
361 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 781 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
782 if (active) start ();
783 }
784
785 void start (struct ev_loop *embedded_loop) throw ()
786 {
787 set (embedded_loop);
362 start (); 788 start ();
363 } 789 }
364 790
365 void sweep () 791 void sweep ()
366 { 792 {
… …
369 EV_END_WATCHER (embed, embed) 795 EV_END_WATCHER (embed, embed)
370 #endif 796 #endif
371 797
372 #if EV_FORK_ENABLE 798 #if EV_FORK_ENABLE
373 EV_BEGIN_WATCHER (fork, fork) 799 EV_BEGIN_WATCHER (fork, fork)
374 void set () { } 800 void set () throw () { }
375 EV_END_WATCHER (fork, fork) 801 EV_END_WATCHER (fork, fork)
376 #endif 802 #endif
377 803
804 #if EV_ASYNC_ENABLE
805 EV_BEGIN_WATCHER (async, async)
806 void send () throw ()
807 {
808 ev_async_send (EV_A_ static_cast<ev_async *>(this));
809 }
810
811 bool async_pending () throw ()
812 {
813 return ev_async_pending (static_cast<ev_async *>(this));
814 }
815 EV_END_WATCHER (async, async)
816 #endif
817
818 #undef EV_PX
819 #undef EV_PX_
378 #undef EV_CONSTRUCT 820 #undef EV_CONSTRUCT
379 #undef EV_BEGIN_WATCHER 821 #undef EV_BEGIN_WATCHER
380 #undef EV_END_WATCHER 822 #undef EV_END_WATCHER
381} 823}
382 824

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