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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 1.54 by root, Fri Oct 22 05:57:55 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#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 {
56 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);
57 } 573 }
58 574
59 #if EV_MULTIPLICITY 575 #if EV_MULTIPLICITY
60 576 #define EV_CONSTRUCT(cppstem,cstem) \
61 #define EV_CONSTRUCT(cppstem) \ 577 (EV_PX = get_default_loop ()) throw () \
62 EV_P; \ 578 : base<ev_ ## cstem, cppstem> (EV_A) \
63 \
64 void set (EV_P) \
65 { \ 579 { \
66 this->EV_A = EV_A; \ 580 }
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 581 #else
74 582 #define EV_CONSTRUCT(cppstem,cstem) \
75 #define EV_CONSTRUCT(cppstem) \ 583 () throw () \
76 template<class O1, class O2> \ 584 { \
77 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 585 }
78 : callback<cppstem> (object, method)
79
80 #endif 586 #endif
81 587
82 /* using a template here would require quite a bit more lines, 588 /* using a template here would require quite a bit more lines,
83 * so a macro solution was chosen */ 589 * so a macro solution was chosen */
84 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 590 #define EV_BEGIN_WATCHER(cppstem,cstem) \
85 \ 591 \
86 struct cppstem : ev_ ## cstem, callback<cppstem> \ 592 struct cppstem : base<ev_ ## cstem, cppstem> \
87 { \ 593 { \
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 () \ 594 void start () throw () \
104 { \ 595 { \
105 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 596 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
106 } \ 597 } \
107 \ 598 \
108 void stop () \ 599 void stop () throw () \
109 { \ 600 { \
110 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 601 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
111 } \ 602 } \
112 \ 603 \
113 void operator ()(int events = EV_UNDEF) \ 604 cppstem EV_CONSTRUCT(cppstem,cstem) \
114 { \
115 return call (this, events); \
116 } \
117 \ 605 \
118 ~cppstem () \ 606 ~cppstem () throw () \
119 { \ 607 { \
120 stop (); \ 608 stop (); \
121 } \ 609 } \
122 \ 610 \
611 using base<ev_ ## cstem, cppstem>::set; \
612 \
123 private: \ 613 private: \
124 \ 614 \
125 cppstem (const cppstem &o) \ 615 cppstem (const cppstem &o); \
126 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
127 { /* disabled */ } \
128 \ 616 \
129 void operator =(const cppstem &o) { /* disabled */ } \ 617 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 \ 618 \
136 public: 619 public:
137 620
138 #define EV_END_WATCHER(cppstem,cstem) \ 621 #define EV_END_WATCHER(cppstem,cstem) \
139 }; 622 };
140 623
141 EV_BEGIN_WATCHER (io, io) 624 EV_BEGIN_WATCHER (io, io)
142 void set (int fd, int events) 625 void set (int fd, int events) throw ()
143 { 626 {
144 int active = is_active (); 627 int active = is_active ();
145 if (active) stop (); 628 if (active) stop ();
146 ev_io_set (static_cast<ev_io *>(this), fd, events); 629 ev_io_set (static_cast<ev_io *>(this), fd, events);
147 if (active) start (); 630 if (active) start ();
148 } 631 }
149 632
150 void set (int events) 633 void set (int events) throw ()
151 { 634 {
152 int active = is_active (); 635 int active = is_active ();
153 if (active) stop (); 636 if (active) stop ();
154 ev_io_set (static_cast<ev_io *>(this), fd, events); 637 ev_io_set (static_cast<ev_io *>(this), fd, events);
155 if (active) start (); 638 if (active) start ();
156 } 639 }
157 640
158 void start (int fd, int events) 641 void start (int fd, int events) throw ()
159 { 642 {
160 set (fd, events); 643 set (fd, events);
161 start (); 644 start ();
162 } 645 }
163 EV_END_WATCHER (io, io) 646 EV_END_WATCHER (io, io)
164 647
165 EV_BEGIN_WATCHER (timer, timer) 648 EV_BEGIN_WATCHER (timer, timer)
166 void set (ev_tstamp after, ev_tstamp repeat = 0.) 649 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
167 { 650 {
168 int active = is_active (); 651 int active = is_active ();
169 if (active) stop (); 652 if (active) stop ();
170 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 653 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
171 if (active) start (); 654 if (active) start ();
172 } 655 }
173 656
174 void start (ev_tstamp after, ev_tstamp repeat = 0.) 657 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
175 { 658 {
176 set (after, repeat); 659 set (after, repeat);
177 start (); 660 start ();
178 } 661 }
179 662
180 void again () 663 void again () throw ()
181 { 664 {
182 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));
183 } 671 }
184 EV_END_WATCHER (timer, timer) 672 EV_END_WATCHER (timer, timer)
185 673
186 #if EV_PERIODIC_ENABLE 674 #if EV_PERIODIC_ENABLE
187 EV_BEGIN_WATCHER (periodic, periodic) 675 EV_BEGIN_WATCHER (periodic, periodic)
188 void set (ev_tstamp at, ev_tstamp interval = 0.) 676 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
189 { 677 {
190 int active = is_active (); 678 int active = is_active ();
191 if (active) stop (); 679 if (active) stop ();
192 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 680 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
193 if (active) start (); 681 if (active) start ();
194 } 682 }
195 683
196 void start (ev_tstamp at, ev_tstamp interval = 0.) 684 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
197 { 685 {
198 set (at, interval); 686 set (at, interval);
199 start (); 687 start ();
200 } 688 }
201 689
202 void again () 690 void again () throw ()
203 { 691 {
204 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 692 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
205 } 693 }
206 EV_END_WATCHER (periodic, periodic) 694 EV_END_WATCHER (periodic, periodic)
207 #endif 695 #endif
208 696
697 #if EV_SIGNAL_ENABLE
209 EV_BEGIN_WATCHER (sig, signal) 698 EV_BEGIN_WATCHER (sig, signal)
210 void set (int signum) 699 void set (int signum) throw ()
211 { 700 {
212 int active = is_active (); 701 int active = is_active ();
213 if (active) stop (); 702 if (active) stop ();
214 ev_signal_set (static_cast<ev_signal *>(this), signum); 703 ev_signal_set (static_cast<ev_signal *>(this), signum);
215 if (active) start (); 704 if (active) start ();
216 } 705 }
217 706
218 void start (int signum) 707 void start (int signum) throw ()
219 { 708 {
220 set (signum); 709 set (signum);
221 start (); 710 start ();
222 } 711 }
223 EV_END_WATCHER (sig, signal) 712 EV_END_WATCHER (sig, signal)
713 #endif
224 714
715 #if EV_CHILD_ENABLE
225 EV_BEGIN_WATCHER (child, child) 716 EV_BEGIN_WATCHER (child, child)
226 void set (int pid) 717 void set (int pid, int trace = 0) throw ()
227 { 718 {
228 int active = is_active (); 719 int active = is_active ();
229 if (active) stop (); 720 if (active) stop ();
230 ev_child_set (static_cast<ev_child *>(this), pid); 721 ev_child_set (static_cast<ev_child *>(this), pid, trace);
231 if (active) start (); 722 if (active) start ();
232 } 723 }
233 724
234 void start (int pid) 725 void start (int pid, int trace = 0) throw ()
235 { 726 {
236 set (pid); 727 set (pid, trace);
237 start (); 728 start ();
238 } 729 }
239 EV_END_WATCHER (child, child) 730 EV_END_WATCHER (child, child)
731 #endif
240 732
241 #if EV_STAT_ENABLE 733 #if EV_STAT_ENABLE
242 EV_BEGIN_WATCHER (stat, stat) 734 EV_BEGIN_WATCHER (stat, stat)
243 void set (const char *path, ev_tstamp interval = 0.) 735 void set (const char *path, ev_tstamp interval = 0.) throw ()
244 { 736 {
245 int active = is_active (); 737 int active = is_active ();
246 if (active) stop (); 738 if (active) stop ();
247 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 739 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
248 if (active) start (); 740 if (active) start ();
249 } 741 }
250 742
251 void start (const char *path, ev_tstamp interval = 0.) 743 void start (const char *path, ev_tstamp interval = 0.) throw ()
252 { 744 {
253 stop (); 745 stop ();
254 set (path, interval); 746 set (path, interval);
255 start (); 747 start ();
256 } 748 }
257 749
258 void update () 750 void update () throw ()
259 { 751 {
260 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 752 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
261 } 753 }
262 EV_END_WATCHER (stat, stat) 754 EV_END_WATCHER (stat, stat)
263 #endif 755 #endif
264 756
757 #if EV_IDLE_ENABLE
265 EV_BEGIN_WATCHER (idle, idle) 758 EV_BEGIN_WATCHER (idle, idle)
266 void set () { } 759 void set () throw () { }
267 EV_END_WATCHER (idle, idle) 760 EV_END_WATCHER (idle, idle)
761 #endif
268 762
763 #if EV_PREPARE_ENABLE
269 EV_BEGIN_WATCHER (prepare, prepare) 764 EV_BEGIN_WATCHER (prepare, prepare)
270 void set () { } 765 void set () throw () { }
271 EV_END_WATCHER (prepare, prepare) 766 EV_END_WATCHER (prepare, prepare)
767 #endif
272 768
769 #if EV_CHECK_ENABLE
273 EV_BEGIN_WATCHER (check, check) 770 EV_BEGIN_WATCHER (check, check)
274 void set () { } 771 void set () throw () { }
275 EV_END_WATCHER (check, check) 772 EV_END_WATCHER (check, check)
773 #endif
276 774
277 #if EV_EMBED_ENABLE 775 #if EV_EMBED_ENABLE
278 EV_BEGIN_WATCHER (embed, embed) 776 EV_BEGIN_WATCHER (embed, embed)
279 void start (struct ev_loop *embedded_loop) 777 void set (struct ev_loop *embedded_loop) throw ()
280 { 778 {
281 stop (); 779 int active = is_active ();
780 if (active) stop ();
282 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);
283 start (); 788 start ();
284 } 789 }
285 790
286 void sweep () 791 void sweep ()
287 { 792 {
… …
290 EV_END_WATCHER (embed, embed) 795 EV_END_WATCHER (embed, embed)
291 #endif 796 #endif
292 797
293 #if EV_FORK_ENABLE 798 #if EV_FORK_ENABLE
294 EV_BEGIN_WATCHER (fork, fork) 799 EV_BEGIN_WATCHER (fork, fork)
295 void set () { } 800 void set () throw () { }
296 EV_END_WATCHER (fork, fork) 801 EV_END_WATCHER (fork, fork)
297 #endif 802 #endif
298 803
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_
299 #undef EV_CONSTRUCT 820 #undef EV_CONSTRUCT
300 #undef EV_BEGIN_WATCHER 821 #undef EV_BEGIN_WATCHER
301 #undef EV_END_WATCHER 822 #undef EV_END_WATCHER
302} 823}
303 824

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