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Comparing libev/ev++.h (file contents):
Revision 1.19 by root, Fri Dec 14 17:47:52 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 *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
26 {
27 this->data = data;
28 ev_set_cb (static_cast<ev_watcher *>(this), cb);
29 }
30
31 // method callback
32 template<class K, void (K::*method)(watcher &w, int)>
33 void set (K *object)
34 {
35 set_ (object, method_thunk<K, method>);
36 }
37
38 template<class K, void (K::*method)(watcher &w, int)>
39 static void method_thunk (EV_P_ ev_watcher *w, int revents)
40 {
41 K *obj = static_cast<K *>(w->data);
42 (obj->*method) (*static_cast<watcher *>(w), revents);
43 }
44
45 // const method callback
46 template<class K, void (K::*method)(watcher &w, int) const>
47 void set (const K *object)
48 {
49 set_ (object, const_method_thunk<K, method>);
50 }
51
52 template<class K, void (K::*method)(watcher &w, int) const>
53 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
54 {
55 K *obj = static_cast<K *>(w->data);
56 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
57 }
58
59 // function callback
60 template<void (*function)(watcher &w, int)>
61 void set (void *data = 0)
62 {
63 set_ (data, function_thunk<function>);
64 }
65
66 template<void (*function)(watcher &w, int)>
67 static void function_thunk (EV_P_ ev_watcher *w, int revents)
68 {
69 function (*static_cast<watcher *>(w), revents);
70 }
71
72 // simple callback
73 template<class K, void (K::*method)()>
74 void set (K *object)
75 {
76 set_ (object, method_noargs_thunk<K, method>);
77 }
78
79 template<class K, void (K::*method)()>
80 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
81 {
82 K *obj = static_cast<K *>(w->data);
83 (obj->*method) ();
84 }
85
86 void operator ()(int events = EV_UNDEF)
87 {
88 return ev_cb (static_cast<ev_watcher *>(this))
89 (static_cast<ev_watcher *>(this), events);
90 }
91
92 bool is_active () const
93 {
94 return ev_is_active (static_cast<const ev_watcher *>(this));
95 }
96
97 bool is_pending () const
98 {
99 return ev_is_pending (static_cast<const ev_watcher *>(this));
100 }
101 };
102 60
103 enum { 61 enum {
104 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
105 NONE = EV_NONE, 63 NONE = EV_NONE,
106 READ = EV_READ, 64 READ = EV_READ,
… …
112 STAT = EV_STAT, 70 STAT = EV_STAT,
113 IDLE = EV_IDLE, 71 IDLE = EV_IDLE,
114 CHECK = EV_CHECK, 72 CHECK = EV_CHECK,
115 PREPARE = EV_PREPARE, 73 PREPARE = EV_PREPARE,
116 FORK = EV_FORK, 74 FORK = EV_FORK,
75 ASYNC = EV_ASYNC,
117 EMBED = EV_EMBED, 76 EMBED = EV_EMBED,
118 ERROR = EV_ERROR, 77 ERROR = EV_ERROR,
119 }; 78 };
120 79
121 typedef ev_tstamp tstamp; 80 enum
81 {
82 AUTO = EVFLAG_AUTO,
83 NOENV = EVFLAG_NOENV,
84 FORKCHECK = EVFLAG_FORKCHECK,
122 85
123 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?")
124 { 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 {
125 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);
126 } 564 }
127 565
128 #if EV_MULTIPLICITY 566 #if EV_MULTIPLICITY
129 #define EV_CONSTRUCT \ 567 #define EV_CONSTRUCT(cppstem,cstem) \
130 (EV_P = EV_DEFAULT) \ 568 (EV_PX = get_default_loop ()) throw () \
569 : base<ev_ ## cstem, cppstem> (EV_A) \
131 { \ 570 { \
132 set (EV_A); \
133 } 571 }
134 #else 572 #else
135 #define EV_CONSTRUCT \ 573 #define EV_CONSTRUCT(cppstem,cstem) \
136 () \ 574 () throw () \
137 { \ 575 { \
138 } 576 }
139 #endif 577 #endif
140 578
141 /* using a template here would require quite a bit more lines, 579 /* using a template here would require quite a bit more lines,
142 * so a macro solution was chosen */ 580 * so a macro solution was chosen */
143 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 581 #define EV_BEGIN_WATCHER(cppstem,cstem) \
144 \ 582 \
145 struct cppstem : base<ev_ ## cstem, cppstem> \ 583 struct cppstem : base<ev_ ## cstem, cppstem> \
146 { \ 584 { \
147 void start () \ 585 void start () throw () \
148 { \ 586 { \
149 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 587 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
150 } \ 588 } \
151 \ 589 \
152 void stop () \ 590 void stop () throw () \
153 { \ 591 { \
154 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 592 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
155 } \ 593 } \
156 \ 594 \
157 cppstem EV_CONSTRUCT \ 595 cppstem EV_CONSTRUCT(cppstem,cstem) \
158 \ 596 \
159 ~cppstem () \ 597 ~cppstem () throw () \
160 { \ 598 { \
161 stop (); \ 599 stop (); \
162 } \ 600 } \
163 \ 601 \
164 using base<ev_ ## cstem, cppstem>::set; \ 602 using base<ev_ ## cstem, cppstem>::set; \
165 \ 603 \
166 private: \ 604 private: \
167 \ 605 \
168 cppstem (const cppstem &o) \ 606 cppstem (const cppstem &o); \
169 { /* disabled */ } \
170 \ 607 \
171 void operator =(const cppstem &o) { /* disabled */ } \ 608 cppstem &operator =(const cppstem &o); \
172 \ 609 \
173 public: 610 public:
174 611
175 #define EV_END_WATCHER(cppstem,cstem) \ 612 #define EV_END_WATCHER(cppstem,cstem) \
176 }; 613 };
177 614
178 EV_BEGIN_WATCHER (io, io) 615 EV_BEGIN_WATCHER (io, io)
179 void set (int fd, int events) 616 void set (int fd, int events) throw ()
180 { 617 {
181 int active = is_active (); 618 int active = is_active ();
182 if (active) stop (); 619 if (active) stop ();
183 ev_io_set (static_cast<ev_io *>(this), fd, events); 620 ev_io_set (static_cast<ev_io *>(this), fd, events);
184 if (active) start (); 621 if (active) start ();
185 } 622 }
186 623
187 void set (int events) 624 void set (int events) throw ()
188 { 625 {
189 int active = is_active (); 626 int active = is_active ();
190 if (active) stop (); 627 if (active) stop ();
191 ev_io_set (static_cast<ev_io *>(this), fd, events); 628 ev_io_set (static_cast<ev_io *>(this), fd, events);
192 if (active) start (); 629 if (active) start ();
193 } 630 }
194 631
195 void start (int fd, int events) 632 void start (int fd, int events) throw ()
196 { 633 {
197 set (fd, events); 634 set (fd, events);
198 start (); 635 start ();
199 } 636 }
200 EV_END_WATCHER (io, io) 637 EV_END_WATCHER (io, io)
201 638
202 EV_BEGIN_WATCHER (timer, timer) 639 EV_BEGIN_WATCHER (timer, timer)
203 void set (ev_tstamp after, ev_tstamp repeat = 0.) 640 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
204 { 641 {
205 int active = is_active (); 642 int active = is_active ();
206 if (active) stop (); 643 if (active) stop ();
207 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 644 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
208 if (active) start (); 645 if (active) start ();
209 } 646 }
210 647
211 void start (ev_tstamp after, ev_tstamp repeat = 0.) 648 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
212 { 649 {
213 set (after, repeat); 650 set (after, repeat);
214 start (); 651 start ();
215 } 652 }
216 653
217 void again () 654 void again () throw ()
218 { 655 {
219 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
220 } 657 }
221 EV_END_WATCHER (timer, timer) 658 EV_END_WATCHER (timer, timer)
222 659
223 #if EV_PERIODIC_ENABLE 660 #if EV_PERIODIC_ENABLE
224 EV_BEGIN_WATCHER (periodic, periodic) 661 EV_BEGIN_WATCHER (periodic, periodic)
225 void set (ev_tstamp at, ev_tstamp interval = 0.) 662 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
226 { 663 {
227 int active = is_active (); 664 int active = is_active ();
228 if (active) stop (); 665 if (active) stop ();
229 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 666 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
230 if (active) start (); 667 if (active) start ();
231 } 668 }
232 669
233 void start (ev_tstamp at, ev_tstamp interval = 0.) 670 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
234 { 671 {
235 set (at, interval); 672 set (at, interval);
236 start (); 673 start ();
237 } 674 }
238 675
239 void again () 676 void again () throw ()
240 { 677 {
241 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 678 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
242 } 679 }
243 EV_END_WATCHER (periodic, periodic) 680 EV_END_WATCHER (periodic, periodic)
244 #endif 681 #endif
245 682
246 EV_BEGIN_WATCHER (sig, signal) 683 EV_BEGIN_WATCHER (sig, signal)
247 void set (int signum) 684 void set (int signum) throw ()
248 { 685 {
249 int active = is_active (); 686 int active = is_active ();
250 if (active) stop (); 687 if (active) stop ();
251 ev_signal_set (static_cast<ev_signal *>(this), signum); 688 ev_signal_set (static_cast<ev_signal *>(this), signum);
252 if (active) start (); 689 if (active) start ();
253 } 690 }
254 691
255 void start (int signum) 692 void start (int signum) throw ()
256 { 693 {
257 set (signum); 694 set (signum);
258 start (); 695 start ();
259 } 696 }
260 EV_END_WATCHER (sig, signal) 697 EV_END_WATCHER (sig, signal)
261 698
262 EV_BEGIN_WATCHER (child, child) 699 EV_BEGIN_WATCHER (child, child)
263 void set (int pid) 700 void set (int pid, int trace = 0) throw ()
264 { 701 {
265 int active = is_active (); 702 int active = is_active ();
266 if (active) stop (); 703 if (active) stop ();
267 ev_child_set (static_cast<ev_child *>(this), pid); 704 ev_child_set (static_cast<ev_child *>(this), pid, trace);
268 if (active) start (); 705 if (active) start ();
269 } 706 }
270 707
271 void start (int pid) 708 void start (int pid, int trace = 0) throw ()
272 { 709 {
273 set (pid); 710 set (pid, trace);
274 start (); 711 start ();
275 } 712 }
276 EV_END_WATCHER (child, child) 713 EV_END_WATCHER (child, child)
277 714
278 #if EV_STAT_ENABLE 715 #if EV_STAT_ENABLE
279 EV_BEGIN_WATCHER (stat, stat) 716 EV_BEGIN_WATCHER (stat, stat)
280 void set (const char *path, ev_tstamp interval = 0.) 717 void set (const char *path, ev_tstamp interval = 0.) throw ()
281 { 718 {
282 int active = is_active (); 719 int active = is_active ();
283 if (active) stop (); 720 if (active) stop ();
284 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 721 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
285 if (active) start (); 722 if (active) start ();
286 } 723 }
287 724
288 void start (const char *path, ev_tstamp interval = 0.) 725 void start (const char *path, ev_tstamp interval = 0.) throw ()
289 { 726 {
290 stop (); 727 stop ();
291 set (path, interval); 728 set (path, interval);
292 start (); 729 start ();
293 } 730 }
294 731
295 void update () 732 void update () throw ()
296 { 733 {
297 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 734 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
298 } 735 }
299 EV_END_WATCHER (stat, stat) 736 EV_END_WATCHER (stat, stat)
300 #endif 737 #endif
301 738
302 EV_BEGIN_WATCHER (idle, idle) 739 EV_BEGIN_WATCHER (idle, idle)
303 void set () { } 740 void set () throw () { }
304 EV_END_WATCHER (idle, idle) 741 EV_END_WATCHER (idle, idle)
305 742
306 EV_BEGIN_WATCHER (prepare, prepare) 743 EV_BEGIN_WATCHER (prepare, prepare)
307 void set () { } 744 void set () throw () { }
308 EV_END_WATCHER (prepare, prepare) 745 EV_END_WATCHER (prepare, prepare)
309 746
310 EV_BEGIN_WATCHER (check, check) 747 EV_BEGIN_WATCHER (check, check)
311 void set () { } 748 void set () throw () { }
312 EV_END_WATCHER (check, check) 749 EV_END_WATCHER (check, check)
313 750
314 #if EV_EMBED_ENABLE 751 #if EV_EMBED_ENABLE
315 EV_BEGIN_WATCHER (embed, embed) 752 EV_BEGIN_WATCHER (embed, embed)
316 void start (struct ev_loop *embedded_loop) 753 void set (struct ev_loop *embedded_loop) throw ()
317 { 754 {
318 stop (); 755 int active = is_active ();
756 if (active) stop ();
319 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);
320 start (); 764 start ();
321 } 765 }
322 766
323 void sweep () 767 void sweep ()
324 { 768 {
… …
327 EV_END_WATCHER (embed, embed) 771 EV_END_WATCHER (embed, embed)
328 #endif 772 #endif
329 773
330 #if EV_FORK_ENABLE 774 #if EV_FORK_ENABLE
331 EV_BEGIN_WATCHER (fork, fork) 775 EV_BEGIN_WATCHER (fork, fork)
332 void set () { } 776 void set () throw () { }
333 EV_END_WATCHER (fork, fork) 777 EV_END_WATCHER (fork, fork)
334 #endif 778 #endif
335 779
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_
336 #undef EV_CONSTRUCT 798 #undef EV_CONSTRUCT
337 #undef EV_BEGIN_WATCHER 799 #undef EV_BEGIN_WATCHER
338 #undef EV_END_WATCHER 800 #undef EV_END_WATCHER
339} 801}
340 802

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