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Comparing libev/ev++.h (file contents):
Revision 1.12 by root, Thu Nov 29 17:36:35 2007 UTC vs.
Revision 1.55 by root, Sun Oct 24 17:58:41 2010 UTC

1/*
2 * libev simple C++ wrapper classes
3 *
4 * Copyright (c) 2007,2008,2010 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 watcher> 59 typedef ev_tstamp tstamp;
9 class callback
10 {
11 struct klass; // it is vital that this is never defined
12 60
13 klass *o;
14 void (klass::*m)(watcher &, int);
15
16 public:
17 template<class O1, class O2>
18 explicit callback (O1 *object, void (O2::*method)(watcher &, int))
19 {
20 o = reinterpret_cast<klass *>(object);
21 m = reinterpret_cast<void (klass::*)(watcher &, int)>(method);
22 }
23
24 // this works because a standards-compliant C++ compiler
25 // basically can't help it: it doesn't have the knowledge
26 // required to miscompile (klass is not defined anywhere
27 // and nothing is known about the constructor arguments) :)
28 void call (watcher *w, int revents)
29 {
30 (o->*m) (*w, revents);
31 }
32 };
33
34 enum { 61 enum
62 {
35 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
36 NONE = EV_NONE, 64 NONE = EV_NONE,
37 READ = EV_READ, 65 READ = EV_READ,
38 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
67#if EV_COMPAT3
39 TIMEOUT = EV_TIMEOUT, 68 TIMEOUT = EV_TIMEOUT,
69#endif
70 TIMER = EV_TIMER,
40 PERIODIC = EV_PERIODIC, 71 PERIODIC = EV_PERIODIC,
41 SIGNAL = EV_SIGNAL, 72 SIGNAL = EV_SIGNAL,
42 CHILD = EV_CHILD, 73 CHILD = EV_CHILD,
43 STAT = EV_STAT, 74 STAT = EV_STAT,
44 IDLE = EV_IDLE, 75 IDLE = EV_IDLE,
45 CHECK = EV_CHECK, 76 CHECK = EV_CHECK,
46 PREPARE = EV_PREPARE, 77 PREPARE = EV_PREPARE,
47 FORK = EV_FORK, 78 FORK = EV_FORK,
79 ASYNC = EV_ASYNC,
48 EMBED = EV_EMBED, 80 EMBED = EV_EMBED,
81# undef ERROR // some systems stupidly #define ERROR
49 ERROR = EV_ERROR, 82 ERROR = EV_ERROR
50 }; 83 };
51 84
52 typedef ev_tstamp tstamp; 85 enum
86 {
87 AUTO = EVFLAG_AUTO,
88 NOENV = EVFLAG_NOENV,
89 FORKCHECK = EVFLAG_FORKCHECK,
53 90
54 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?")
55 { 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 ev_loop_fork (EV_AX);
223 }
224
225 unsigned int backend () const throw ()
226 {
227 return ev_backend (EV_AX);
228 }
229
230 tstamp now () const throw ()
231 {
56 return ev_now (EV_A); 232 return ev_now (EV_AX);
233 }
234
235 void ref () throw ()
236 {
237 ev_ref (EV_AX);
238 }
239
240 void unref () throw ()
241 {
242 ev_unref (EV_AX);
243 }
244
245#if EV_FEATURE_API
246 unsigned int iteration () const throw ()
247 {
248 return ev_iteration (EV_AX);
249 }
250
251 unsigned int depth () const throw ()
252 {
253 return ev_depth (EV_AX);
254 }
255
256 void set_io_collect_interval (tstamp interval) throw ()
257 {
258 ev_set_io_collect_interval (EV_AX_ interval);
259 }
260
261 void set_timeout_collect_interval (tstamp interval) throw ()
262 {
263 ev_set_timeout_collect_interval (EV_AX_ interval);
264 }
265#endif
266
267 // function callback
268 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
269 {
270 ev_once (EV_AX_ fd, events, timeout, cb, arg);
271 }
272
273 // method callback
274 template<class K, void (K::*method)(int)>
275 void once (int fd, int events, tstamp timeout, K *object) throw ()
276 {
277 once (fd, events, timeout, method_thunk<K, method>, object);
278 }
279
280 // default method == operator ()
281 template<class K>
282 void once (int fd, int events, tstamp timeout, K *object) throw ()
283 {
284 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
285 }
286
287 template<class K, void (K::*method)(int)>
288 static void method_thunk (int revents, void *arg)
289 {
290 static_cast<K *>(arg)->*method
291 (revents);
292 }
293
294 // no-argument method callback
295 template<class K, void (K::*method)()>
296 void once (int fd, int events, tstamp timeout, K *object) throw ()
297 {
298 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
299 }
300
301 template<class K, void (K::*method)()>
302 static void method_noargs_thunk (int revents, void *arg)
303 {
304 static_cast<K *>(arg)->*method
305 ();
306 }
307
308 // simpler function callback
309 template<void (*cb)(int)>
310 void once (int fd, int events, tstamp timeout) throw ()
311 {
312 once (fd, events, timeout, simpler_func_thunk<cb>);
313 }
314
315 template<void (*cb)(int)>
316 static void simpler_func_thunk (int revents, void *arg)
317 {
318 (*cb)
319 (revents);
320 }
321
322 // simplest function callback
323 template<void (*cb)()>
324 void once (int fd, int events, tstamp timeout) throw ()
325 {
326 once (fd, events, timeout, simplest_func_thunk<cb>);
327 }
328
329 template<void (*cb)()>
330 static void simplest_func_thunk (int revents, void *arg)
331 {
332 (*cb)
333 ();
334 }
335
336 void feed_fd_event (int fd, int revents) throw ()
337 {
338 ev_feed_fd_event (EV_AX_ fd, revents);
339 }
340
341 void feed_signal_event (int signum) throw ()
342 {
343 ev_feed_signal_event (EV_AX_ signum);
344 }
345
346#if EV_MULTIPLICITY
347 struct ev_loop* EV_AX;
348#endif
349
350 };
351
352#if EV_MULTIPLICITY
353 struct dynamic_loop : loop_ref
354 {
355
356 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
357 : loop_ref (ev_loop_new (flags))
358 {
359 if (!EV_AX)
360 throw bad_loop ();
361 }
362
363 ~dynamic_loop () throw ()
364 {
365 ev_loop_destroy (EV_AX);
366 EV_AX = 0;
367 }
368
369 private:
370
371 dynamic_loop (const dynamic_loop &);
372
373 dynamic_loop & operator= (const dynamic_loop &);
374
375 };
376#endif
377
378 struct default_loop : loop_ref
379 {
380 default_loop (unsigned int flags = AUTO) throw (bad_loop)
381#if EV_MULTIPLICITY
382 : loop_ref (ev_default_loop (flags))
383#endif
384 {
385 if (
386#if EV_MULTIPLICITY
387 !EV_AX
388#else
389 !ev_default_loop (flags)
390#endif
391 )
392 throw bad_loop ();
393 }
394
395 private:
396 default_loop (const default_loop &);
397 default_loop &operator = (const default_loop &);
398 };
399
400 inline loop_ref get_default_loop () throw ()
401 {
402#if EV_MULTIPLICITY
403 return ev_default_loop (0);
404#else
405 return loop_ref ();
406#endif
407 }
408
409#undef EV_AX
410#undef EV_AX_
411
412#undef EV_PX
413#undef EV_PX_
414#if EV_MULTIPLICITY
415# define EV_PX loop_ref EV_A
416# define EV_PX_ loop_ref EV_A_
417#else
418# define EV_PX
419# define EV_PX_
420#endif
421
422 template<class ev_watcher, class watcher>
423 struct base : ev_watcher
424 {
425 #if EV_MULTIPLICITY
426 EV_PX;
427
428 // loop set
429 void set (EV_P) throw ()
430 {
431 this->EV_A = EV_A;
432 }
433 #endif
434
435 base (EV_PX) throw ()
436 #if EV_MULTIPLICITY
437 : EV_A (EV_A)
438 #endif
439 {
440 ev_init (this, 0);
441 }
442
443 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
444 {
445 this->data = (void *)data;
446 ev_set_cb (static_cast<ev_watcher *>(this), cb);
447 }
448
449 // function callback
450 template<void (*function)(watcher &w, int)>
451 void set (void *data = 0) throw ()
452 {
453 set_ (data, function_thunk<function>);
454 }
455
456 template<void (*function)(watcher &w, int)>
457 static void function_thunk (EV_P_ ev_watcher *w, int revents)
458 {
459 function
460 (*static_cast<watcher *>(w), revents);
461 }
462
463 // method callback
464 template<class K, void (K::*method)(watcher &w, int)>
465 void set (K *object) throw ()
466 {
467 set_ (object, method_thunk<K, method>);
468 }
469
470 // default method == operator ()
471 template<class K>
472 void set (K *object) throw ()
473 {
474 set_ (object, method_thunk<K, &K::operator ()>);
475 }
476
477 template<class K, void (K::*method)(watcher &w, int)>
478 static void method_thunk (EV_P_ ev_watcher *w, int revents)
479 {
480 (static_cast<K *>(w->data)->*method)
481 (*static_cast<watcher *>(w), revents);
482 }
483
484 // no-argument callback
485 template<class K, void (K::*method)()>
486 void set (K *object) throw ()
487 {
488 set_ (object, method_noargs_thunk<K, method>);
489 }
490
491 template<class K, void (K::*method)()>
492 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
493 {
494 (static_cast<K *>(w->data)->*method)
495 ();
496 }
497
498 void operator ()(int events = EV_UNDEF)
499 {
500 return
501 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);
57 } 564 }
58 565
59 #if EV_MULTIPLICITY 566 #if EV_MULTIPLICITY
60 567 #define EV_CONSTRUCT(cppstem,cstem) \
61 #define EV_CONSTRUCT(cppstem) \ 568 (EV_PX = get_default_loop ()) throw () \
62 EV_P; \ 569 : base<ev_ ## cstem, cppstem> (EV_A) \
63 \
64 void set (EV_P) \
65 { \ 570 { \
66 this->EV_A = EV_A; \ 571 }
67 } \
68 \
69 template<class O1, class O2> \
70 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \
71 : callback<cppstem> (object, method), EV_A (EV_A)
72
73 #else 572 #else
74 573 #define EV_CONSTRUCT(cppstem,cstem) \
75 #define EV_CONSTRUCT(cppstem) \ 574 () throw () \
76 template<class O1, class O2> \ 575 { \
77 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 576 }
78 : callback<cppstem> (object, method)
79
80 #endif 577 #endif
81 578
82 /* using a template here would require quite a bit more lines, 579 /* using a template here would require quite a bit more lines,
83 * so a macro solution was chosen */ 580 * so a macro solution was chosen */
84 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 581 #define EV_BEGIN_WATCHER(cppstem,cstem) \
85 \ 582 \
86 struct cppstem : ev_ ## cstem, callback<cppstem> \ 583 struct cppstem : base<ev_ ## cstem, cppstem> \
87 { \ 584 { \
88 EV_CONSTRUCT (cppstem) \
89 { \
90 ev_init (static_cast<ev_ ## cstem *>(this), thunk); \
91 } \
92 \
93 bool is_active () const \
94 { \
95 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
96 } \
97 \
98 bool is_pending () const \
99 { \
100 return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \
101 } \
102 \
103 void start () \ 585 void start () throw () \
104 { \ 586 { \
105 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 587 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
106 } \ 588 } \
107 \ 589 \
108 void stop () \ 590 void stop () throw () \
109 { \ 591 { \
110 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 592 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
111 } \ 593 } \
112 \ 594 \
113 void operator ()(int events = EV_UNDEF) \ 595 cppstem EV_CONSTRUCT(cppstem,cstem) \
114 { \
115 return call (this, events); \
116 } \
117 \ 596 \
118 ~cppstem () \ 597 ~cppstem () throw () \
119 { \ 598 { \
120 stop (); \ 599 stop (); \
121 } \ 600 } \
122 \ 601 \
602 using base<ev_ ## cstem, cppstem>::set; \
603 \
123 private: \ 604 private: \
124 \ 605 \
125 cppstem (const cppstem &o) \ 606 cppstem (const cppstem &o); \
126 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
127 { /* disabled */ } \
128 \ 607 \
129 void operator =(const cppstem &o) { /* disabled */ } \ 608 cppstem &operator =(const cppstem &o); \
130 \
131 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
132 { \
133 (*static_cast<cppstem *>(w))(revents); \
134 } \
135 \ 609 \
136 public: 610 public:
137 611
138 #define EV_END_WATCHER(cppstem,cstem) \ 612 #define EV_END_WATCHER(cppstem,cstem) \
139 }; 613 };
140 614
141 EV_BEGIN_WATCHER (io, io) 615 EV_BEGIN_WATCHER (io, io)
142 void set (int fd, int events) 616 void set (int fd, int events) throw ()
143 { 617 {
144 int active = is_active (); 618 int active = is_active ();
145 if (active) stop (); 619 if (active) stop ();
146 ev_io_set (static_cast<ev_io *>(this), fd, events); 620 ev_io_set (static_cast<ev_io *>(this), fd, events);
147 if (active) start (); 621 if (active) start ();
148 } 622 }
149 623
150 void set (int events) 624 void set (int events) throw ()
151 { 625 {
152 int active = is_active (); 626 int active = is_active ();
153 if (active) stop (); 627 if (active) stop ();
154 ev_io_set (static_cast<ev_io *>(this), fd, events); 628 ev_io_set (static_cast<ev_io *>(this), fd, events);
155 if (active) start (); 629 if (active) start ();
156 } 630 }
157 631
158 void start (int fd, int events) 632 void start (int fd, int events) throw ()
159 { 633 {
160 set (fd, events); 634 set (fd, events);
161 start (); 635 start ();
162 } 636 }
163 EV_END_WATCHER (io, io) 637 EV_END_WATCHER (io, io)
164 638
165 EV_BEGIN_WATCHER (timer, timer) 639 EV_BEGIN_WATCHER (timer, timer)
166 void set (ev_tstamp after, ev_tstamp repeat = 0.) 640 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
167 { 641 {
168 int active = is_active (); 642 int active = is_active ();
169 if (active) stop (); 643 if (active) stop ();
170 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 644 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
171 if (active) start (); 645 if (active) start ();
172 } 646 }
173 647
174 void start (ev_tstamp after, ev_tstamp repeat = 0.) 648 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
175 { 649 {
176 set (after, repeat); 650 set (after, repeat);
177 start (); 651 start ();
178 } 652 }
179 653
180 void again () 654 void again () throw ()
181 { 655 {
182 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
657 }
658
659 ev_tstamp remaining ()
660 {
661 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
183 } 662 }
184 EV_END_WATCHER (timer, timer) 663 EV_END_WATCHER (timer, timer)
185 664
186 #if EV_PERIODIC_ENABLE 665 #if EV_PERIODIC_ENABLE
187 EV_BEGIN_WATCHER (periodic, periodic) 666 EV_BEGIN_WATCHER (periodic, periodic)
188 void set (ev_tstamp at, ev_tstamp interval = 0.) 667 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
189 { 668 {
190 int active = is_active (); 669 int active = is_active ();
191 if (active) stop (); 670 if (active) stop ();
192 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 671 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
193 if (active) start (); 672 if (active) start ();
194 } 673 }
195 674
196 void start (ev_tstamp at, ev_tstamp interval = 0.) 675 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
197 { 676 {
198 set (at, interval); 677 set (at, interval);
199 start (); 678 start ();
200 } 679 }
201 680
202 void again () 681 void again () throw ()
203 { 682 {
204 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 683 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
205 } 684 }
206 EV_END_WATCHER (periodic, periodic) 685 EV_END_WATCHER (periodic, periodic)
207 #endif 686 #endif
208 687
688 #if EV_SIGNAL_ENABLE
209 EV_BEGIN_WATCHER (sig, signal) 689 EV_BEGIN_WATCHER (sig, signal)
210 void set (int signum) 690 void set (int signum) throw ()
211 { 691 {
212 int active = is_active (); 692 int active = is_active ();
213 if (active) stop (); 693 if (active) stop ();
214 ev_signal_set (static_cast<ev_signal *>(this), signum); 694 ev_signal_set (static_cast<ev_signal *>(this), signum);
215 if (active) start (); 695 if (active) start ();
216 } 696 }
217 697
218 void start (int signum) 698 void start (int signum) throw ()
219 { 699 {
220 set (signum); 700 set (signum);
221 start (); 701 start ();
222 } 702 }
223 EV_END_WATCHER (sig, signal) 703 EV_END_WATCHER (sig, signal)
704 #endif
224 705
706 #if EV_CHILD_ENABLE
225 EV_BEGIN_WATCHER (child, child) 707 EV_BEGIN_WATCHER (child, child)
226 void set (int pid) 708 void set (int pid, int trace = 0) throw ()
227 { 709 {
228 int active = is_active (); 710 int active = is_active ();
229 if (active) stop (); 711 if (active) stop ();
230 ev_child_set (static_cast<ev_child *>(this), pid); 712 ev_child_set (static_cast<ev_child *>(this), pid, trace);
231 if (active) start (); 713 if (active) start ();
232 } 714 }
233 715
234 void start (int pid) 716 void start (int pid, int trace = 0) throw ()
235 { 717 {
236 set (pid); 718 set (pid, trace);
237 start (); 719 start ();
238 } 720 }
239 EV_END_WATCHER (child, child) 721 EV_END_WATCHER (child, child)
722 #endif
240 723
241 #if EV_STAT_ENABLE 724 #if EV_STAT_ENABLE
242 EV_BEGIN_WATCHER (stat, stat) 725 EV_BEGIN_WATCHER (stat, stat)
243 void set (const char *path, ev_tstamp interval = 0.) 726 void set (const char *path, ev_tstamp interval = 0.) throw ()
244 { 727 {
245 int active = is_active (); 728 int active = is_active ();
246 if (active) stop (); 729 if (active) stop ();
247 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 730 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
248 if (active) start (); 731 if (active) start ();
249 } 732 }
250 733
251 void start (const char *path, ev_tstamp interval = 0.) 734 void start (const char *path, ev_tstamp interval = 0.) throw ()
252 { 735 {
253 stop (); 736 stop ();
254 set (path, interval); 737 set (path, interval);
255 start (); 738 start ();
256 } 739 }
257 740
258 void update () 741 void update () throw ()
259 { 742 {
260 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 743 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
261 } 744 }
262 EV_END_WATCHER (stat, stat) 745 EV_END_WATCHER (stat, stat)
263 #endif 746 #endif
264 747
748 #if EV_IDLE_ENABLE
265 EV_BEGIN_WATCHER (idle, idle) 749 EV_BEGIN_WATCHER (idle, idle)
266 void set () { } 750 void set () throw () { }
267 EV_END_WATCHER (idle, idle) 751 EV_END_WATCHER (idle, idle)
752 #endif
268 753
754 #if EV_PREPARE_ENABLE
269 EV_BEGIN_WATCHER (prepare, prepare) 755 EV_BEGIN_WATCHER (prepare, prepare)
270 void set () { } 756 void set () throw () { }
271 EV_END_WATCHER (prepare, prepare) 757 EV_END_WATCHER (prepare, prepare)
758 #endif
272 759
760 #if EV_CHECK_ENABLE
273 EV_BEGIN_WATCHER (check, check) 761 EV_BEGIN_WATCHER (check, check)
274 void set () { } 762 void set () throw () { }
275 EV_END_WATCHER (check, check) 763 EV_END_WATCHER (check, check)
764 #endif
276 765
277 #if EV_EMBED_ENABLE 766 #if EV_EMBED_ENABLE
278 EV_BEGIN_WATCHER (embed, embed) 767 EV_BEGIN_WATCHER (embed, embed)
279 void start (struct ev_loop *embedded_loop) 768 void set (struct ev_loop *embedded_loop) throw ()
280 { 769 {
281 stop (); 770 int active = is_active ();
771 if (active) stop ();
282 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 772 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
773 if (active) start ();
774 }
775
776 void start (struct ev_loop *embedded_loop) throw ()
777 {
778 set (embedded_loop);
283 start (); 779 start ();
284 } 780 }
285 781
286 void sweep () 782 void sweep ()
287 { 783 {
… …
290 EV_END_WATCHER (embed, embed) 786 EV_END_WATCHER (embed, embed)
291 #endif 787 #endif
292 788
293 #if EV_FORK_ENABLE 789 #if EV_FORK_ENABLE
294 EV_BEGIN_WATCHER (fork, fork) 790 EV_BEGIN_WATCHER (fork, fork)
295 void set () { } 791 void set () throw () { }
296 EV_END_WATCHER (fork, fork) 792 EV_END_WATCHER (fork, fork)
297 #endif 793 #endif
298 794
795 #if EV_ASYNC_ENABLE
796 EV_BEGIN_WATCHER (async, async)
797 void send () throw ()
798 {
799 ev_async_send (EV_A_ static_cast<ev_async *>(this));
800 }
801
802 bool async_pending () throw ()
803 {
804 return ev_async_pending (static_cast<ev_async *>(this));
805 }
806 EV_END_WATCHER (async, async)
807 #endif
808
809 #undef EV_PX
810 #undef EV_PX_
299 #undef EV_CONSTRUCT 811 #undef EV_CONSTRUCT
300 #undef EV_BEGIN_WATCHER 812 #undef EV_BEGIN_WATCHER
301 #undef EV_END_WATCHER 813 #undef EV_END_WATCHER
302} 814}
303 815

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