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Comparing libev/ev++.h (file contents):
Revision 1.13 by root, Tue Dec 4 16:23:29 2007 UTC vs.
Revision 1.41 by root, Tue Sep 30 18:35:47 2008 UTC

1/*
2 * libev simple C++ wrapper classes
3 *
4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26 * OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Alternatively, the contents of this file may be used under the terms of
29 * the GNU General Public License ("GPL") version 2 or any later version,
30 * in which case the provisions of the GPL are applicable instead of
31 * the above. If you wish to allow the use of your version of this file
32 * only under the terms of the GPL and not to allow others to use your
33 * version of this file under the BSD license, indicate your decision
34 * by deleting the provisions above and replace them with the notice
35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL.
38 */
39
1#ifndef EVPP_H__ 40#ifndef EVPP_H__
2#define EVPP_H__ 41#define EVPP_H__
3 42
43#ifdef EV_H
44# include EV_H
45#else
4#include "ev.h" 46# include "ev.h"
47#endif
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
5 56
6namespace ev { 57namespace ev {
7 58
8 template<class ev_watcher, class watcher> 59 typedef ev_tstamp tstamp;
9 struct base : ev_watcher
10 {
11 #if EV_MULTIPLICITY
12 EV_P;
13
14 void set (EV_P)
15 {
16 this->EV_A = EV_A;
17 }
18 #endif
19
20 base ()
21 {
22 ev_init (this, 0);
23 }
24
25 void set_ (void *object, void (*cb)(ev_watcher *w, int revents))
26 {
27 this->data = object;
28 ev_set_cb (static_cast<ev_watcher *>(this), cb);
29 }
30
31 template<class K, void (K::*method)(watcher &w, int)>
32 void set (K *object)
33 {
34 set_ (object, method_thunk<K, method>);
35 }
36
37 template<class K, void (K::*method)(watcher &w, int)>
38 static void method_thunk (ev_watcher *w, int revents)
39 {
40 watcher *self = static_cast<watcher *>(w);
41 K *obj = static_cast<K *>(self->data);
42 (obj->*method) (*self, revents);
43 }
44
45 template<class K, void (K::*method)(watcher &w, int) const>
46 void set (const K *object)
47 {
48 set_ (object, const_method_thunk<K, method>);
49 }
50
51 template<class K, void (K::*method)(watcher &w, int) const>
52 static void const_method_thunk (ev_watcher *w, int revents)
53 {
54 watcher *self = static_cast<watcher *>(w);
55 K *obj = static_cast<K *>(self->data);
56 (obj->*method) (*self, revents);
57 }
58
59 template<void (*function)(watcher &w, int)>
60 void set ()
61 {
62 set_ (0, function_thunk<function>);
63 }
64
65 template<void (*function)(watcher &w, int)>
66 static void function_thunk (ev_watcher *w, int revents)
67 {
68 watcher *self = static_cast<watcher *>(w);
69 function (*self, revents);
70 }
71
72 void operator ()(int events = EV_UNDEF)
73 {
74 return e_cb (static_cast<ev_watcher *>(this)) (events);
75 }
76
77 bool is_active () const
78 {
79 return ev_is_active (static_cast<const ev_watcher *>(this));
80 }
81
82 bool is_pending () const
83 {
84 return ev_is_pending (static_cast<const ev_watcher *>(this));
85 }
86 };
87 60
88 enum { 61 enum {
89 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
90 NONE = EV_NONE, 63 NONE = EV_NONE,
91 READ = EV_READ, 64 READ = EV_READ,
… …
97 STAT = EV_STAT, 70 STAT = EV_STAT,
98 IDLE = EV_IDLE, 71 IDLE = EV_IDLE,
99 CHECK = EV_CHECK, 72 CHECK = EV_CHECK,
100 PREPARE = EV_PREPARE, 73 PREPARE = EV_PREPARE,
101 FORK = EV_FORK, 74 FORK = EV_FORK,
75 ASYNC = EV_ASYNC,
102 EMBED = EV_EMBED, 76 EMBED = EV_EMBED,
103 ERROR = EV_ERROR, 77 ERROR = EV_ERROR,
104 }; 78 };
105 79
106 typedef ev_tstamp tstamp; 80 enum
81 {
82 AUTO = EVFLAG_AUTO,
83 NOENV = EVFLAG_NOENV,
84 FORKCHECK = EVFLAG_FORKCHECK,
107 85
108 inline ev_tstamp now (EV_P) 86 SELECT = EVBACKEND_SELECT,
87 POLL = EVBACKEND_POLL,
88 EPOLL = EVBACKEND_EPOLL,
89 KQUEUE = EVBACKEND_KQUEUE,
90 DEVPOLL = EVBACKEND_DEVPOLL,
91 PORT = EVBACKEND_PORT
92 };
93
94 enum
95 {
96 NONBLOCK = EVLOOP_NONBLOCK,
97 ONESHOT = EVLOOP_ONESHOT
98 };
99
100 enum how_t
101 {
102 ONE = EVUNLOOP_ONE,
103 ALL = EVUNLOOP_ALL
104 };
105
106 struct bad_loop
107#if EV_USE_STDEXCEPT
108 : std::runtime_error
109#endif
110 {
111#if EV_USE_STDEXCEPT
112 bad_loop ()
113 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
109 { 114 {
115 }
116#endif
117 };
118
119#ifdef EV_AX
120# undef EV_AX
121#endif
122
123#ifdef EV_AX_
124# undef EV_AX_
125#endif
126
127#if EV_MULTIPLICITY
128# define EV_AX raw_loop
129# define EV_AX_ raw_loop,
130#else
131# define EV_AX
132# define EV_AX_
133#endif
134
135 struct loop_ref
136 {
137 loop_ref (EV_P) throw ()
138#if EV_MULTIPLICITY
139 : EV_AX (EV_A)
140#endif
141 {
142 }
143
144 bool operator == (const loop_ref &other) const throw ()
145 {
146#if EV_MULTIPLICITY
147 return EV_AX == other.EV_AX;
148#else
149 return true;
150#endif
151 }
152
153 bool operator != (const loop_ref &other) const throw ()
154 {
155#if EV_MULTIPLICITY
156 return ! (*this == other);
157#else
158 return false;
159#endif
160 }
161
162#if EV_MULTIPLICITY
163 bool operator == (struct ev_loop *other) const throw ()
164 {
165 return this->EV_AX == other;
166 }
167
168 bool operator != (struct ev_loop *other) const throw ()
169 {
170 return ! (*this == other);
171 }
172
173 bool operator == (const struct ev_loop *other) const throw ()
174 {
175 return this->EV_AX == other;
176 }
177
178 bool operator != (const struct ev_loop *other) const throw ()
179 {
180 return (*this == other);
181 }
182
183 operator struct ev_loop * () const throw ()
184 {
185 return EV_AX;
186 }
187
188 operator const struct ev_loop * () const throw ()
189 {
190 return EV_AX;
191 }
192
193 bool is_default () const throw ()
194 {
195 return EV_AX == ev_default_loop (0);
196 }
197#endif
198
199 void loop (int flags = 0)
200 {
201 ev_loop (EV_AX_ flags);
202 }
203
204 void unloop (how_t how = ONE) throw ()
205 {
206 ev_unloop (EV_AX_ how);
207 }
208
209 void post_fork () throw ()
210 {
211#if EV_MULTIPLICITY
212 ev_loop_fork (EV_AX);
213#else
214 ev_default_fork ();
215#endif
216 }
217
218 unsigned int count () const throw ()
219 {
220 return ev_loop_count (EV_AX);
221 }
222
223 unsigned int backend () const throw ()
224 {
225 return ev_backend (EV_AX);
226 }
227
228 tstamp now () const throw ()
229 {
110 return ev_now (EV_A); 230 return ev_now (EV_AX);
231 }
232
233 void ref () throw ()
234 {
235 ev_ref (EV_AX);
236 }
237
238 void unref () throw ()
239 {
240 ev_unref (EV_AX);
241 }
242
243 void set_io_collect_interval (tstamp interval) throw ()
244 {
245 ev_set_io_collect_interval (EV_AX_ interval);
246 }
247
248 void set_timeout_collect_interval (tstamp interval) throw ()
249 {
250 ev_set_timeout_collect_interval (EV_AX_ interval);
251 }
252
253 // function callback
254 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
255 {
256 ev_once (EV_AX_ fd, events, timeout, cb, arg);
257 }
258
259 // method callback
260 template<class K, void (K::*method)(int)>
261 void once (int fd, int events, tstamp timeout, K *object) throw ()
262 {
263 once (fd, events, timeout, method_thunk<K, method>, object);
264 }
265
266 template<class K, void (K::*method)(int)>
267 static void method_thunk (int revents, void* arg)
268 {
269 K *obj = static_cast<K *>(arg);
270 (obj->*method) (revents);
271 }
272
273 // const method callback
274 template<class K, void (K::*method)(int) const>
275 void once (int fd, int events, tstamp timeout, const K *object) throw ()
276 {
277 once (fd, events, timeout, const_method_thunk<K, method>, object);
278 }
279
280 template<class K, void (K::*method)(int) const>
281 static void const_method_thunk (int revents, void* arg)
282 {
283 K *obj = static_cast<K *>(arg);
284 (obj->*method) (revents);
285 }
286
287 // simple method callback
288 template<class K, void (K::*method)()>
289 void once (int fd, int events, tstamp timeout, K *object) throw ()
290 {
291 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
292 }
293
294 template<class K, void (K::*method)()>
295 static void method_noargs_thunk (int revents, void* arg)
296 {
297 K *obj = static_cast<K *>(arg);
298 (obj->*method) ();
299 }
300
301 // simpler function callback
302 template<void (*cb)(int)>
303 void once (int fd, int events, tstamp timeout) throw ()
304 {
305 once (fd, events, timeout, simpler_func_thunk<cb>);
306 }
307
308 template<void (*cb)(int)>
309 static void simpler_func_thunk (int revents, void* arg)
310 {
311 (*cb) (revents);
312 }
313
314 // simplest function callback
315 template<void (*cb)()>
316 void once (int fd, int events, tstamp timeout) throw ()
317 {
318 once (fd, events, timeout, simplest_func_thunk<cb>);
319 }
320
321 template<void (*cb)()>
322 static void simplest_func_thunk (int revents, void* arg)
323 {
324 (*cb) ();
325 }
326
327 void feed_fd_event (int fd, int revents) throw ()
328 {
329 ev_feed_fd_event (EV_AX_ fd, revents);
330 }
331
332 void feed_signal_event (int signum) throw ()
333 {
334 ev_feed_signal_event (EV_AX_ signum);
335 }
336
337#if EV_MULTIPLICITY
338 struct ev_loop* EV_AX;
339#endif
340
341 };
342
343#if EV_MULTIPLICITY
344 struct dynamic_loop : loop_ref
345 {
346
347 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
348 : loop_ref (ev_loop_new (flags))
349 {
350 if (!EV_AX)
351 throw bad_loop ();
352 }
353
354 ~dynamic_loop () throw ()
355 {
356 ev_loop_destroy (EV_AX);
357 EV_AX = 0;
358 }
359
360 private:
361
362 dynamic_loop (const dynamic_loop &);
363
364 dynamic_loop & operator= (const dynamic_loop &);
365
366 };
367#endif
368
369 struct default_loop : loop_ref
370 {
371 default_loop (unsigned int flags = AUTO) throw (bad_loop)
372#if EV_MULTIPLICITY
373 : loop_ref (ev_default_loop (flags))
374#endif
375 {
376 if (
377#if EV_MULTIPLICITY
378 !EV_AX
379#else
380 !ev_default_loop (flags)
381#endif
382 )
383 throw bad_loop ();
384 }
385
386 ~default_loop () throw ()
387 {
388 ev_default_destroy ();
389 }
390
391 private:
392 default_loop (const default_loop &);
393 default_loop &operator = (const default_loop &);
394 };
395
396 inline loop_ref get_default_loop () throw ()
397 {
398#if EV_MULTIPLICITY
399 return ev_default_loop (0);
400#else
401 return loop_ref ();
402#endif
403 }
404
405#undef EV_AX
406#undef EV_AX_
407
408#undef EV_PX
409#undef EV_PX_
410#if EV_MULTIPLICITY
411# define EV_PX loop_ref EV_A
412# define EV_PX_ loop_ref EV_A_
413#else
414# define EV_PX
415# define EV_PX_
416#endif
417
418 template<class ev_watcher, class watcher>
419 struct base : ev_watcher
420 {
421 #if EV_MULTIPLICITY
422 EV_PX;
423
424 void set (EV_PX) throw ()
425 {
426 this->EV_A = EV_A;
427 }
428 #endif
429
430 base (EV_PX) throw ()
431 #if EV_MULTIPLICITY
432 : EV_A (EV_A)
433 #endif
434 {
435 ev_init (this, 0);
436 }
437
438 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
439 {
440 this->data = data;
441 ev_set_cb (static_cast<ev_watcher *>(this), cb);
442 }
443
444 // method callback
445 template<class K, void (K::*method)(watcher &w, int)>
446 void set (K *object) throw ()
447 {
448 set_ (object, method_thunk<K, method>);
449 }
450
451 template<class K, void (K::*method)(watcher &w, int)>
452 static void method_thunk (EV_P_ ev_watcher *w, int revents)
453 {
454 K *obj = static_cast<K *>(w->data);
455 (obj->*method) (*static_cast<watcher *>(w), revents);
456 }
457
458 // const method callback
459 template<class K, void (K::*method)(watcher &w, int) const>
460 void set (const K *object) throw ()
461 {
462 set_ (object, const_method_thunk<K, method>);
463 }
464
465 template<class K, void (K::*method)(watcher &w, int) const>
466 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
467 {
468 K *obj = static_cast<K *>(w->data);
469 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
470 }
471
472 // function callback
473 template<void (*function)(watcher &w, int)>
474 void set (void *data = 0) throw ()
475 {
476 set_ (data, function_thunk<function>);
477 }
478
479 template<void (*function)(watcher &w, int)>
480 static void function_thunk (EV_P_ ev_watcher *w, int revents)
481 {
482 function (*static_cast<watcher *>(w), revents);
483 }
484
485 // simple callback
486 template<class K, void (K::*method)()>
487 void set (K *object) throw ()
488 {
489 set_ (object, method_noargs_thunk<K, method>);
490 }
491
492 template<class K, void (K::*method)()>
493 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
494 {
495 K *obj = static_cast<K *>(w->data);
496 (obj->*method) ();
497 }
498
499 void operator ()(int events = EV_UNDEF)
500 {
501 return ev_cb (static_cast<ev_watcher *>(this))
502 (static_cast<ev_watcher *>(this), events);
503 }
504
505 bool is_active () const throw ()
506 {
507 return ev_is_active (static_cast<const ev_watcher *>(this));
508 }
509
510 bool is_pending () const throw ()
511 {
512 return ev_is_pending (static_cast<const ev_watcher *>(this));
513 }
514
515 void feed_event (int revents) throw ()
516 {
517 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
518 }
519 };
520
521 inline tstamp now () throw ()
522 {
523 return ev_time ();
524 }
525
526 inline void delay (tstamp interval) throw ()
527 {
528 ev_sleep (interval);
529 }
530
531 inline int version_major () throw ()
532 {
533 return ev_version_major ();
534 }
535
536 inline int version_minor () throw ()
537 {
538 return ev_version_minor ();
539 }
540
541 inline unsigned int supported_backends () throw ()
542 {
543 return ev_supported_backends ();
544 }
545
546 inline unsigned int recommended_backends () throw ()
547 {
548 return ev_recommended_backends ();
549 }
550
551 inline unsigned int embeddable_backends () throw ()
552 {
553 return ev_embeddable_backends ();
554 }
555
556 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
557 {
558 ev_set_allocator (cb);
559 }
560
561 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
562 {
563 ev_set_syserr_cb (cb);
111 } 564 }
112 565
113 #if EV_MULTIPLICITY 566 #if EV_MULTIPLICITY
114 #define EV_CONSTRUCT \ 567 #define EV_CONSTRUCT(cppstem,cstem) \
115 (EV_P = EV_DEFAULT) \ 568 (EV_PX = get_default_loop ()) throw () \
569 : base<ev_ ## cstem, cppstem> (EV_A) \
116 { \ 570 { \
117 set (EV_A); \
118 } 571 }
119 #else 572 #else
120 #define EV_CONSTRUCT \ 573 #define EV_CONSTRUCT(cppstem,cstem) \
121 () \ 574 () throw () \
122 { \ 575 { \
123 } 576 }
124 #endif 577 #endif
125 578
126 /* using a template here would require quite a bit more lines, 579 /* using a template here would require quite a bit more lines,
127 * so a macro solution was chosen */ 580 * so a macro solution was chosen */
128 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 581 #define EV_BEGIN_WATCHER(cppstem,cstem) \
129 \ 582 \
130 struct cppstem : base<ev_ ## cstem, cppstem> \ 583 struct cppstem : base<ev_ ## cstem, cppstem> \
131 { \ 584 { \
132 void start () \ 585 void start () throw () \
133 { \ 586 { \
134 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 587 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
135 } \ 588 } \
136 \ 589 \
137 void stop () \ 590 void stop () throw () \
138 { \ 591 { \
139 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 592 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
140 } \ 593 } \
141 \ 594 \
142 cppstem EV_CONSTRUCT \ 595 cppstem EV_CONSTRUCT(cppstem,cstem) \
143 \ 596 \
144 ~cppstem () \ 597 ~cppstem () throw () \
145 { \ 598 { \
146 stop (); \ 599 stop (); \
147 } \ 600 } \
148 \ 601 \
149 using base<ev_ ## cstem, cppstem>::set; \ 602 using base<ev_ ## cstem, cppstem>::set; \
150 \ 603 \
151 private: \ 604 private: \
152 \ 605 \
153 cppstem (const cppstem &o) \ 606 cppstem (const cppstem &o); \
154 { /* disabled */ } \
155 \ 607 \
156 void operator =(const cppstem &o) { /* disabled */ } \ 608 cppstem &operator =(const cppstem &o); \
157 \ 609 \
158 public: 610 public:
159 611
160 #define EV_END_WATCHER(cppstem,cstem) \ 612 #define EV_END_WATCHER(cppstem,cstem) \
161 }; 613 };
162 614
163 EV_BEGIN_WATCHER (io, io) 615 EV_BEGIN_WATCHER (io, io)
164 void set (int fd, int events) 616 void set (int fd, int events) throw ()
165 { 617 {
166 int active = is_active (); 618 int active = is_active ();
167 if (active) stop (); 619 if (active) stop ();
168 ev_io_set (static_cast<ev_io *>(this), fd, events); 620 ev_io_set (static_cast<ev_io *>(this), fd, events);
169 if (active) start (); 621 if (active) start ();
170 } 622 }
171 623
172 void set (int events) 624 void set (int events) throw ()
173 { 625 {
174 int active = is_active (); 626 int active = is_active ();
175 if (active) stop (); 627 if (active) stop ();
176 ev_io_set (static_cast<ev_io *>(this), fd, events); 628 ev_io_set (static_cast<ev_io *>(this), fd, events);
177 if (active) start (); 629 if (active) start ();
178 } 630 }
179 631
180 void start (int fd, int events) 632 void start (int fd, int events) throw ()
181 { 633 {
182 set (fd, events); 634 set (fd, events);
183 start (); 635 start ();
184 } 636 }
185 EV_END_WATCHER (io, io) 637 EV_END_WATCHER (io, io)
186 638
187 EV_BEGIN_WATCHER (timer, timer) 639 EV_BEGIN_WATCHER (timer, timer)
188 void set (ev_tstamp after, ev_tstamp repeat = 0.) 640 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
189 { 641 {
190 int active = is_active (); 642 int active = is_active ();
191 if (active) stop (); 643 if (active) stop ();
192 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 644 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
193 if (active) start (); 645 if (active) start ();
194 } 646 }
195 647
196 void start (ev_tstamp after, ev_tstamp repeat = 0.) 648 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
197 { 649 {
198 set (after, repeat); 650 set (after, repeat);
199 start (); 651 start ();
200 } 652 }
201 653
202 void again () 654 void again () throw ()
203 { 655 {
204 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
205 } 657 }
206 EV_END_WATCHER (timer, timer) 658 EV_END_WATCHER (timer, timer)
207 659
208 #if EV_PERIODIC_ENABLE 660 #if EV_PERIODIC_ENABLE
209 EV_BEGIN_WATCHER (periodic, periodic) 661 EV_BEGIN_WATCHER (periodic, periodic)
210 void set (ev_tstamp at, ev_tstamp interval = 0.) 662 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
211 { 663 {
212 int active = is_active (); 664 int active = is_active ();
213 if (active) stop (); 665 if (active) stop ();
214 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 666 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
215 if (active) start (); 667 if (active) start ();
216 } 668 }
217 669
218 void start (ev_tstamp at, ev_tstamp interval = 0.) 670 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
219 { 671 {
220 set (at, interval); 672 set (at, interval);
221 start (); 673 start ();
222 } 674 }
223 675
224 void again () 676 void again () throw ()
225 { 677 {
226 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 678 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
227 } 679 }
228 EV_END_WATCHER (periodic, periodic) 680 EV_END_WATCHER (periodic, periodic)
229 #endif 681 #endif
230 682
231 EV_BEGIN_WATCHER (sig, signal) 683 EV_BEGIN_WATCHER (sig, signal)
232 void set (int signum) 684 void set (int signum) throw ()
233 { 685 {
234 int active = is_active (); 686 int active = is_active ();
235 if (active) stop (); 687 if (active) stop ();
236 ev_signal_set (static_cast<ev_signal *>(this), signum); 688 ev_signal_set (static_cast<ev_signal *>(this), signum);
237 if (active) start (); 689 if (active) start ();
238 } 690 }
239 691
240 void start (int signum) 692 void start (int signum) throw ()
241 { 693 {
242 set (signum); 694 set (signum);
243 start (); 695 start ();
244 } 696 }
245 EV_END_WATCHER (sig, signal) 697 EV_END_WATCHER (sig, signal)
246 698
247 EV_BEGIN_WATCHER (child, child) 699 EV_BEGIN_WATCHER (child, child)
248 void set (int pid) 700 void set (int pid, int trace = 0) throw ()
249 { 701 {
250 int active = is_active (); 702 int active = is_active ();
251 if (active) stop (); 703 if (active) stop ();
252 ev_child_set (static_cast<ev_child *>(this), pid); 704 ev_child_set (static_cast<ev_child *>(this), pid, trace);
253 if (active) start (); 705 if (active) start ();
254 } 706 }
255 707
256 void start (int pid) 708 void start (int pid, int trace = 0) throw ()
257 { 709 {
258 set (pid); 710 set (pid, trace);
259 start (); 711 start ();
260 } 712 }
261 EV_END_WATCHER (child, child) 713 EV_END_WATCHER (child, child)
262 714
263 #if EV_STAT_ENABLE 715 #if EV_STAT_ENABLE
264 EV_BEGIN_WATCHER (stat, stat) 716 EV_BEGIN_WATCHER (stat, stat)
265 void set (const char *path, ev_tstamp interval = 0.) 717 void set (const char *path, ev_tstamp interval = 0.) throw ()
266 { 718 {
267 int active = is_active (); 719 int active = is_active ();
268 if (active) stop (); 720 if (active) stop ();
269 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 721 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
270 if (active) start (); 722 if (active) start ();
271 } 723 }
272 724
273 void start (const char *path, ev_tstamp interval = 0.) 725 void start (const char *path, ev_tstamp interval = 0.) throw ()
274 { 726 {
275 stop (); 727 stop ();
276 set (path, interval); 728 set (path, interval);
277 start (); 729 start ();
278 } 730 }
279 731
280 void update () 732 void update () throw ()
281 { 733 {
282 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 734 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
283 } 735 }
284 EV_END_WATCHER (stat, stat) 736 EV_END_WATCHER (stat, stat)
285 #endif 737 #endif
286 738
287 EV_BEGIN_WATCHER (idle, idle) 739 EV_BEGIN_WATCHER (idle, idle)
288 void set () { } 740 void set () throw () { }
289 EV_END_WATCHER (idle, idle) 741 EV_END_WATCHER (idle, idle)
290 742
291 EV_BEGIN_WATCHER (prepare, prepare) 743 EV_BEGIN_WATCHER (prepare, prepare)
292 void set () { } 744 void set () throw () { }
293 EV_END_WATCHER (prepare, prepare) 745 EV_END_WATCHER (prepare, prepare)
294 746
295 EV_BEGIN_WATCHER (check, check) 747 EV_BEGIN_WATCHER (check, check)
296 void set () { } 748 void set () throw () { }
297 EV_END_WATCHER (check, check) 749 EV_END_WATCHER (check, check)
298 750
299 #if EV_EMBED_ENABLE 751 #if EV_EMBED_ENABLE
300 EV_BEGIN_WATCHER (embed, embed) 752 EV_BEGIN_WATCHER (embed, embed)
301 void start (struct ev_loop *embedded_loop) 753 void set (struct ev_loop *embedded_loop) throw ()
302 { 754 {
303 stop (); 755 int active = is_active ();
756 if (active) stop ();
304 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 757 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
758 if (active) start ();
759 }
760
761 void start (struct ev_loop *embedded_loop) throw ()
762 {
763 set (embedded_loop);
305 start (); 764 start ();
306 } 765 }
307 766
308 void sweep () 767 void sweep ()
309 { 768 {
… …
312 EV_END_WATCHER (embed, embed) 771 EV_END_WATCHER (embed, embed)
313 #endif 772 #endif
314 773
315 #if EV_FORK_ENABLE 774 #if EV_FORK_ENABLE
316 EV_BEGIN_WATCHER (fork, fork) 775 EV_BEGIN_WATCHER (fork, fork)
317 void set () { } 776 void set () throw () { }
318 EV_END_WATCHER (fork, fork) 777 EV_END_WATCHER (fork, fork)
319 #endif 778 #endif
320 779
780 #if EV_ASYNC_ENABLE
781 EV_BEGIN_WATCHER (async, async)
782 void set () throw () { }
783
784 void send () throw ()
785 {
786 ev_async_send (EV_A_ static_cast<ev_async *>(this));
787 }
788
789 bool async_pending () throw ()
790 {
791 return ev_async_pending (static_cast<ev_async *>(this));
792 }
793 EV_END_WATCHER (async, async)
794 #endif
795
796 #undef EV_PX
797 #undef EV_PX_
321 #undef EV_CONSTRUCT 798 #undef EV_CONSTRUCT
322 #undef EV_BEGIN_WATCHER 799 #undef EV_BEGIN_WATCHER
323 #undef EV_END_WATCHER 800 #undef EV_END_WATCHER
324} 801}
325 802

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