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Comparing libev/ev++.h (file contents):
Revision 1.20 by root, Thu Dec 20 08:17:57 2007 UTC vs.
Revision 1.53 by root, Thu Oct 21 14:50:58 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
4#ifdef EV_H 43#ifdef EV_H
5# include EV_H 44# include EV_H
6#else 45#else
7# 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>
8#endif 55#endif
9 56
10namespace ev { 57namespace ev {
11 58
12 template<class ev_watcher, class watcher> 59 typedef ev_tstamp tstamp;
13 struct base : ev_watcher
14 {
15 #if EV_MULTIPLICITY
16 EV_P;
17 60
18 void set (EV_P)
19 {
20 this->EV_A = EV_A;
21 }
22 #endif
23
24 base ()
25 {
26 ev_init (this, 0);
27 }
28
29 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
30 {
31 this->data = data;
32 ev_set_cb (static_cast<ev_watcher *>(this), cb);
33 }
34
35 // method callback
36 template<class K, void (K::*method)(watcher &w, int)>
37 void set (K *object)
38 {
39 set_ (object, method_thunk<K, method>);
40 }
41
42 template<class K, void (K::*method)(watcher &w, int)>
43 static void method_thunk (EV_P_ ev_watcher *w, int revents)
44 {
45 K *obj = static_cast<K *>(w->data);
46 (obj->*method) (*static_cast<watcher *>(w), revents);
47 }
48
49 // const method callback
50 template<class K, void (K::*method)(watcher &w, int) const>
51 void set (const K *object)
52 {
53 set_ (object, const_method_thunk<K, method>);
54 }
55
56 template<class K, void (K::*method)(watcher &w, int) const>
57 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
58 {
59 K *obj = static_cast<K *>(w->data);
60 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
61 }
62
63 // function callback
64 template<void (*function)(watcher &w, int)>
65 void set (void *data = 0)
66 {
67 set_ (data, function_thunk<function>);
68 }
69
70 template<void (*function)(watcher &w, int)>
71 static void function_thunk (EV_P_ ev_watcher *w, int revents)
72 {
73 function (*static_cast<watcher *>(w), revents);
74 }
75
76 // simple callback
77 template<class K, void (K::*method)()>
78 void set (K *object)
79 {
80 set_ (object, method_noargs_thunk<K, method>);
81 }
82
83 template<class K, void (K::*method)()>
84 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
85 {
86 K *obj = static_cast<K *>(w->data);
87 (obj->*method) ();
88 }
89
90 void operator ()(int events = EV_UNDEF)
91 {
92 return ev_cb (static_cast<ev_watcher *>(this))
93 (static_cast<ev_watcher *>(this), events);
94 }
95
96 bool is_active () const
97 {
98 return ev_is_active (static_cast<const ev_watcher *>(this));
99 }
100
101 bool is_pending () const
102 {
103 return ev_is_pending (static_cast<const ev_watcher *>(this));
104 }
105 };
106
107 enum { 61 enum
62 {
108 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
109 NONE = EV_NONE, 64 NONE = EV_NONE,
110 READ = EV_READ, 65 READ = EV_READ,
111 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
112 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
… …
116 STAT = EV_STAT, 71 STAT = EV_STAT,
117 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
118 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
119 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
120 FORK = EV_FORK, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
121 EMBED = EV_EMBED, 77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
122 ERROR = EV_ERROR, 79 ERROR = EV_ERROR
123 }; 80 };
124 81
125 typedef ev_tstamp tstamp; 82 enum
83 {
84 AUTO = EVFLAG_AUTO,
85 NOENV = EVFLAG_NOENV,
86 FORKCHECK = EVFLAG_FORKCHECK,
126 87
127 inline ev_tstamp now (EV_P) 88 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT
94 };
95
96 enum
97 {
98 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT
100 };
101
102 enum how_t
103 {
104 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL
106 };
107
108 struct bad_loop
109#if EV_USE_STDEXCEPT
110 : std::runtime_error
111#endif
112 {
113#if EV_USE_STDEXCEPT
114 bad_loop ()
115 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
128 { 116 {
117 }
118#endif
119 };
120
121#ifdef EV_AX
122# undef EV_AX
123#endif
124
125#ifdef EV_AX_
126# undef EV_AX_
127#endif
128
129#if EV_MULTIPLICITY
130# define EV_AX raw_loop
131# define EV_AX_ raw_loop,
132#else
133# define EV_AX
134# define EV_AX_
135#endif
136
137 struct loop_ref
138 {
139 loop_ref (EV_P) throw ()
140#if EV_MULTIPLICITY
141 : EV_AX (EV_A)
142#endif
143 {
144 }
145
146 bool operator == (const loop_ref &other) const throw ()
147 {
148#if EV_MULTIPLICITY
149 return EV_AX == other.EV_AX;
150#else
151 return true;
152#endif
153 }
154
155 bool operator != (const loop_ref &other) const throw ()
156 {
157#if EV_MULTIPLICITY
158 return ! (*this == other);
159#else
160 return false;
161#endif
162 }
163
164#if EV_MULTIPLICITY
165 bool operator == (const EV_P) const throw ()
166 {
167 return this->EV_AX == EV_A;
168 }
169
170 bool operator != (const EV_P) const throw ()
171 {
172 return (*this == EV_A);
173 }
174
175 operator struct ev_loop * () const throw ()
176 {
177 return EV_AX;
178 }
179
180 operator const struct ev_loop * () const throw ()
181 {
182 return EV_AX;
183 }
184
185 bool is_default () const throw ()
186 {
187 return EV_AX == ev_default_loop (0);
188 }
189#endif
190
191 void loop (int flags = 0)
192 {
193 ev_loop (EV_AX_ flags);
194 }
195
196 void unloop (how_t how = ONE) throw ()
197 {
198 ev_unloop (EV_AX_ how);
199 }
200
201 void post_fork () throw ()
202 {
203#if EV_MULTIPLICITY
204 ev_loop_fork (EV_AX);
205#else
206 ev_default_fork ();
207#endif
208 }
209
210 unsigned int backend () const throw ()
211 {
212 return ev_backend (EV_AX);
213 }
214
215 tstamp now () const throw ()
216 {
129 return ev_now (EV_A); 217 return ev_now (EV_AX);
218 }
219
220 void ref () throw ()
221 {
222 ev_ref (EV_AX);
223 }
224
225 void unref () throw ()
226 {
227 ev_unref (EV_AX);
228 }
229
230#if EV_FEATURE_API
231 unsigned int iteration () const throw ()
232 {
233 return ev_iteration (EV_AX);
234 }
235
236 unsigned int depth () const throw ()
237 {
238 return ev_depth (EV_AX);
239 }
240
241 void set_io_collect_interval (tstamp interval) throw ()
242 {
243 ev_set_io_collect_interval (EV_AX_ interval);
244 }
245
246 void set_timeout_collect_interval (tstamp interval) throw ()
247 {
248 ev_set_timeout_collect_interval (EV_AX_ interval);
249 }
250#endif
251
252 // function callback
253 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
254 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 }
257
258 // method callback
259 template<class K, void (K::*method)(int)>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, method>, object);
263 }
264
265 // default method == operator ()
266 template<class K>
267 void once (int fd, int events, tstamp timeout, K *object) throw ()
268 {
269 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
270 }
271
272 template<class K, void (K::*method)(int)>
273 static void method_thunk (int revents, void *arg)
274 {
275 static_cast<K *>(arg)->*method
276 (revents);
277 }
278
279 // no-argument method callback
280 template<class K, void (K::*method)()>
281 void once (int fd, int events, tstamp timeout, K *object) throw ()
282 {
283 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
284 }
285
286 template<class K, void (K::*method)()>
287 static void method_noargs_thunk (int revents, void *arg)
288 {
289 static_cast<K *>(arg)->*method
290 ();
291 }
292
293 // simpler function callback
294 template<void (*cb)(int)>
295 void once (int fd, int events, tstamp timeout) throw ()
296 {
297 once (fd, events, timeout, simpler_func_thunk<cb>);
298 }
299
300 template<void (*cb)(int)>
301 static void simpler_func_thunk (int revents, void *arg)
302 {
303 (*cb)
304 (revents);
305 }
306
307 // simplest function callback
308 template<void (*cb)()>
309 void once (int fd, int events, tstamp timeout) throw ()
310 {
311 once (fd, events, timeout, simplest_func_thunk<cb>);
312 }
313
314 template<void (*cb)()>
315 static void simplest_func_thunk (int revents, void *arg)
316 {
317 (*cb)
318 ();
319 }
320
321 void feed_fd_event (int fd, int revents) throw ()
322 {
323 ev_feed_fd_event (EV_AX_ fd, revents);
324 }
325
326 void feed_signal_event (int signum) throw ()
327 {
328 ev_feed_signal_event (EV_AX_ signum);
329 }
330
331#if EV_MULTIPLICITY
332 struct ev_loop* EV_AX;
333#endif
334
335 };
336
337#if EV_MULTIPLICITY
338 struct dynamic_loop : loop_ref
339 {
340
341 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
342 : loop_ref (ev_loop_new (flags))
343 {
344 if (!EV_AX)
345 throw bad_loop ();
346 }
347
348 ~dynamic_loop () throw ()
349 {
350 ev_loop_destroy (EV_AX);
351 EV_AX = 0;
352 }
353
354 private:
355
356 dynamic_loop (const dynamic_loop &);
357
358 dynamic_loop & operator= (const dynamic_loop &);
359
360 };
361#endif
362
363 struct default_loop : loop_ref
364 {
365 default_loop (unsigned int flags = AUTO) throw (bad_loop)
366#if EV_MULTIPLICITY
367 : loop_ref (ev_default_loop (flags))
368#endif
369 {
370 if (
371#if EV_MULTIPLICITY
372 !EV_AX
373#else
374 !ev_default_loop (flags)
375#endif
376 )
377 throw bad_loop ();
378 }
379
380 ~default_loop () throw ()
381 {
382 ev_default_destroy ();
383 }
384
385 private:
386 default_loop (const default_loop &);
387 default_loop &operator = (const default_loop &);
388 };
389
390 inline loop_ref get_default_loop () throw ()
391 {
392#if EV_MULTIPLICITY
393 return ev_default_loop (0);
394#else
395 return loop_ref ();
396#endif
397 }
398
399#undef EV_AX
400#undef EV_AX_
401
402#undef EV_PX
403#undef EV_PX_
404#if EV_MULTIPLICITY
405# define EV_PX loop_ref EV_A
406# define EV_PX_ loop_ref EV_A_
407#else
408# define EV_PX
409# define EV_PX_
410#endif
411
412 template<class ev_watcher, class watcher>
413 struct base : ev_watcher
414 {
415 #if EV_MULTIPLICITY
416 EV_PX;
417
418 // loop set
419 void set (EV_P) throw ()
420 {
421 this->EV_A = EV_A;
422 }
423 #endif
424
425 base (EV_PX) throw ()
426 #if EV_MULTIPLICITY
427 : EV_A (EV_A)
428 #endif
429 {
430 ev_init (this, 0);
431 }
432
433 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
434 {
435 this->data = (void *)data;
436 ev_set_cb (static_cast<ev_watcher *>(this), cb);
437 }
438
439 // function callback
440 template<void (*function)(watcher &w, int)>
441 void set (void *data = 0) throw ()
442 {
443 set_ (data, function_thunk<function>);
444 }
445
446 template<void (*function)(watcher &w, int)>
447 static void function_thunk (EV_P_ ev_watcher *w, int revents)
448 {
449 function
450 (*static_cast<watcher *>(w), revents);
451 }
452
453 // method callback
454 template<class K, void (K::*method)(watcher &w, int)>
455 void set (K *object) throw ()
456 {
457 set_ (object, method_thunk<K, method>);
458 }
459
460 // default method == operator ()
461 template<class K>
462 void set (K *object) throw ()
463 {
464 set_ (object, method_thunk<K, &K::operator ()>);
465 }
466
467 template<class K, void (K::*method)(watcher &w, int)>
468 static void method_thunk (EV_P_ ev_watcher *w, int revents)
469 {
470 (static_cast<K *>(w->data)->*method)
471 (*static_cast<watcher *>(w), revents);
472 }
473
474 // no-argument callback
475 template<class K, void (K::*method)()>
476 void set (K *object) throw ()
477 {
478 set_ (object, method_noargs_thunk<K, method>);
479 }
480
481 template<class K, void (K::*method)()>
482 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
483 {
484 (static_cast<K *>(w->data)->*method)
485 ();
486 }
487
488 void operator ()(int events = EV_UNDEF)
489 {
490 return
491 ev_cb (static_cast<ev_watcher *>(this))
492 (static_cast<ev_watcher *>(this), events);
493 }
494
495 bool is_active () const throw ()
496 {
497 return ev_is_active (static_cast<const ev_watcher *>(this));
498 }
499
500 bool is_pending () const throw ()
501 {
502 return ev_is_pending (static_cast<const ev_watcher *>(this));
503 }
504
505 void feed_event (int revents) throw ()
506 {
507 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
508 }
509 };
510
511 inline tstamp now () throw ()
512 {
513 return ev_time ();
514 }
515
516 inline void delay (tstamp interval) throw ()
517 {
518 ev_sleep (interval);
519 }
520
521 inline int version_major () throw ()
522 {
523 return ev_version_major ();
524 }
525
526 inline int version_minor () throw ()
527 {
528 return ev_version_minor ();
529 }
530
531 inline unsigned int supported_backends () throw ()
532 {
533 return ev_supported_backends ();
534 }
535
536 inline unsigned int recommended_backends () throw ()
537 {
538 return ev_recommended_backends ();
539 }
540
541 inline unsigned int embeddable_backends () throw ()
542 {
543 return ev_embeddable_backends ();
544 }
545
546 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
547 {
548 ev_set_allocator (cb);
549 }
550
551 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
552 {
553 ev_set_syserr_cb (cb);
130 } 554 }
131 555
132 #if EV_MULTIPLICITY 556 #if EV_MULTIPLICITY
133 #define EV_CONSTRUCT \ 557 #define EV_CONSTRUCT(cppstem,cstem) \
134 (EV_P = EV_DEFAULT) \ 558 (EV_PX = get_default_loop ()) throw () \
559 : base<ev_ ## cstem, cppstem> (EV_A) \
135 { \ 560 { \
136 set (EV_A); \
137 } 561 }
138 #else 562 #else
139 #define EV_CONSTRUCT \ 563 #define EV_CONSTRUCT(cppstem,cstem) \
140 () \ 564 () throw () \
141 { \ 565 { \
142 } 566 }
143 #endif 567 #endif
144 568
145 /* using a template here would require quite a bit more lines, 569 /* using a template here would require quite a bit more lines,
146 * so a macro solution was chosen */ 570 * so a macro solution was chosen */
147 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 571 #define EV_BEGIN_WATCHER(cppstem,cstem) \
148 \ 572 \
149 struct cppstem : base<ev_ ## cstem, cppstem> \ 573 struct cppstem : base<ev_ ## cstem, cppstem> \
150 { \ 574 { \
151 void start () \ 575 void start () throw () \
152 { \ 576 { \
153 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 577 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
154 } \ 578 } \
155 \ 579 \
156 void stop () \ 580 void stop () throw () \
157 { \ 581 { \
158 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 582 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
159 } \ 583 } \
160 \ 584 \
161 cppstem EV_CONSTRUCT \ 585 cppstem EV_CONSTRUCT(cppstem,cstem) \
162 \ 586 \
163 ~cppstem () \ 587 ~cppstem () throw () \
164 { \ 588 { \
165 stop (); \ 589 stop (); \
166 } \ 590 } \
167 \ 591 \
168 using base<ev_ ## cstem, cppstem>::set; \ 592 using base<ev_ ## cstem, cppstem>::set; \
169 \ 593 \
170 private: \ 594 private: \
171 \ 595 \
172 cppstem (const cppstem &o) \ 596 cppstem (const cppstem &o); \
173 { /* disabled */ } \
174 \ 597 \
175 void operator =(const cppstem &o) { /* disabled */ } \ 598 cppstem &operator =(const cppstem &o); \
176 \ 599 \
177 public: 600 public:
178 601
179 #define EV_END_WATCHER(cppstem,cstem) \ 602 #define EV_END_WATCHER(cppstem,cstem) \
180 }; 603 };
181 604
182 EV_BEGIN_WATCHER (io, io) 605 EV_BEGIN_WATCHER (io, io)
183 void set (int fd, int events) 606 void set (int fd, int events) throw ()
184 { 607 {
185 int active = is_active (); 608 int active = is_active ();
186 if (active) stop (); 609 if (active) stop ();
187 ev_io_set (static_cast<ev_io *>(this), fd, events); 610 ev_io_set (static_cast<ev_io *>(this), fd, events);
188 if (active) start (); 611 if (active) start ();
189 } 612 }
190 613
191 void set (int events) 614 void set (int events) throw ()
192 { 615 {
193 int active = is_active (); 616 int active = is_active ();
194 if (active) stop (); 617 if (active) stop ();
195 ev_io_set (static_cast<ev_io *>(this), fd, events); 618 ev_io_set (static_cast<ev_io *>(this), fd, events);
196 if (active) start (); 619 if (active) start ();
197 } 620 }
198 621
199 void start (int fd, int events) 622 void start (int fd, int events) throw ()
200 { 623 {
201 set (fd, events); 624 set (fd, events);
202 start (); 625 start ();
203 } 626 }
204 EV_END_WATCHER (io, io) 627 EV_END_WATCHER (io, io)
205 628
206 EV_BEGIN_WATCHER (timer, timer) 629 EV_BEGIN_WATCHER (timer, timer)
207 void set (ev_tstamp after, ev_tstamp repeat = 0.) 630 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
208 { 631 {
209 int active = is_active (); 632 int active = is_active ();
210 if (active) stop (); 633 if (active) stop ();
211 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 634 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
212 if (active) start (); 635 if (active) start ();
213 } 636 }
214 637
215 void start (ev_tstamp after, ev_tstamp repeat = 0.) 638 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
216 { 639 {
217 set (after, repeat); 640 set (after, repeat);
218 start (); 641 start ();
219 } 642 }
220 643
221 void again () 644 void again () throw ()
222 { 645 {
223 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 646 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
647 }
648
649 ev_tstamp remaining ()
650 {
651 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
224 } 652 }
225 EV_END_WATCHER (timer, timer) 653 EV_END_WATCHER (timer, timer)
226 654
227 #if EV_PERIODIC_ENABLE 655 #if EV_PERIODIC_ENABLE
228 EV_BEGIN_WATCHER (periodic, periodic) 656 EV_BEGIN_WATCHER (periodic, periodic)
229 void set (ev_tstamp at, ev_tstamp interval = 0.) 657 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
230 { 658 {
231 int active = is_active (); 659 int active = is_active ();
232 if (active) stop (); 660 if (active) stop ();
233 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 661 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
234 if (active) start (); 662 if (active) start ();
235 } 663 }
236 664
237 void start (ev_tstamp at, ev_tstamp interval = 0.) 665 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
238 { 666 {
239 set (at, interval); 667 set (at, interval);
240 start (); 668 start ();
241 } 669 }
242 670
243 void again () 671 void again () throw ()
244 { 672 {
245 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 673 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
246 } 674 }
247 EV_END_WATCHER (periodic, periodic) 675 EV_END_WATCHER (periodic, periodic)
248 #endif 676 #endif
249 677
678 #if EV_SIGNAL_ENABLE
250 EV_BEGIN_WATCHER (sig, signal) 679 EV_BEGIN_WATCHER (sig, signal)
251 void set (int signum) 680 void set (int signum) throw ()
252 { 681 {
253 int active = is_active (); 682 int active = is_active ();
254 if (active) stop (); 683 if (active) stop ();
255 ev_signal_set (static_cast<ev_signal *>(this), signum); 684 ev_signal_set (static_cast<ev_signal *>(this), signum);
256 if (active) start (); 685 if (active) start ();
257 } 686 }
258 687
259 void start (int signum) 688 void start (int signum) throw ()
260 { 689 {
261 set (signum); 690 set (signum);
262 start (); 691 start ();
263 } 692 }
264 EV_END_WATCHER (sig, signal) 693 EV_END_WATCHER (sig, signal)
694 #endif
265 695
696 #if EV_CHILD_ENABLE
266 EV_BEGIN_WATCHER (child, child) 697 EV_BEGIN_WATCHER (child, child)
267 void set (int pid) 698 void set (int pid, int trace = 0) throw ()
268 { 699 {
269 int active = is_active (); 700 int active = is_active ();
270 if (active) stop (); 701 if (active) stop ();
271 ev_child_set (static_cast<ev_child *>(this), pid); 702 ev_child_set (static_cast<ev_child *>(this), pid, trace);
272 if (active) start (); 703 if (active) start ();
273 } 704 }
274 705
275 void start (int pid) 706 void start (int pid, int trace = 0) throw ()
276 { 707 {
277 set (pid); 708 set (pid, trace);
278 start (); 709 start ();
279 } 710 }
280 EV_END_WATCHER (child, child) 711 EV_END_WATCHER (child, child)
712 #endif
281 713
282 #if EV_STAT_ENABLE 714 #if EV_STAT_ENABLE
283 EV_BEGIN_WATCHER (stat, stat) 715 EV_BEGIN_WATCHER (stat, stat)
284 void set (const char *path, ev_tstamp interval = 0.) 716 void set (const char *path, ev_tstamp interval = 0.) throw ()
285 { 717 {
286 int active = is_active (); 718 int active = is_active ();
287 if (active) stop (); 719 if (active) stop ();
288 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 720 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
289 if (active) start (); 721 if (active) start ();
290 } 722 }
291 723
292 void start (const char *path, ev_tstamp interval = 0.) 724 void start (const char *path, ev_tstamp interval = 0.) throw ()
293 { 725 {
294 stop (); 726 stop ();
295 set (path, interval); 727 set (path, interval);
296 start (); 728 start ();
297 } 729 }
298 730
299 void update () 731 void update () throw ()
300 { 732 {
301 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 733 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
302 } 734 }
303 EV_END_WATCHER (stat, stat) 735 EV_END_WATCHER (stat, stat)
304 #endif 736 #endif
305 737
738 #if EV_IDLE_ENABLE
306 EV_BEGIN_WATCHER (idle, idle) 739 EV_BEGIN_WATCHER (idle, idle)
307 void set () { } 740 void set () throw () { }
308 EV_END_WATCHER (idle, idle) 741 EV_END_WATCHER (idle, idle)
742 #endif
309 743
744 #if EV_PREPARE_ENABLE
310 EV_BEGIN_WATCHER (prepare, prepare) 745 EV_BEGIN_WATCHER (prepare, prepare)
311 void set () { } 746 void set () throw () { }
312 EV_END_WATCHER (prepare, prepare) 747 EV_END_WATCHER (prepare, prepare)
748 #endif
313 749
750 #if EV_CHECK_ENABLE
314 EV_BEGIN_WATCHER (check, check) 751 EV_BEGIN_WATCHER (check, check)
315 void set () { } 752 void set () throw () { }
316 EV_END_WATCHER (check, check) 753 EV_END_WATCHER (check, check)
754 #endif
317 755
318 #if EV_EMBED_ENABLE 756 #if EV_EMBED_ENABLE
319 EV_BEGIN_WATCHER (embed, embed) 757 EV_BEGIN_WATCHER (embed, embed)
320 void start (struct ev_loop *embedded_loop) 758 void set (struct ev_loop *embedded_loop) throw ()
321 { 759 {
322 stop (); 760 int active = is_active ();
761 if (active) stop ();
323 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 762 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
763 if (active) start ();
764 }
765
766 void start (struct ev_loop *embedded_loop) throw ()
767 {
768 set (embedded_loop);
324 start (); 769 start ();
325 } 770 }
326 771
327 void sweep () 772 void sweep ()
328 { 773 {
… …
331 EV_END_WATCHER (embed, embed) 776 EV_END_WATCHER (embed, embed)
332 #endif 777 #endif
333 778
334 #if EV_FORK_ENABLE 779 #if EV_FORK_ENABLE
335 EV_BEGIN_WATCHER (fork, fork) 780 EV_BEGIN_WATCHER (fork, fork)
336 void set () { } 781 void set () throw () { }
337 EV_END_WATCHER (fork, fork) 782 EV_END_WATCHER (fork, fork)
338 #endif 783 #endif
339 784
785 #if EV_ASYNC_ENABLE
786 EV_BEGIN_WATCHER (async, async)
787 void send () throw ()
788 {
789 ev_async_send (EV_A_ static_cast<ev_async *>(this));
790 }
791
792 bool async_pending () throw ()
793 {
794 return ev_async_pending (static_cast<ev_async *>(this));
795 }
796 EV_END_WATCHER (async, async)
797 #endif
798
799 #undef EV_PX
800 #undef EV_PX_
340 #undef EV_CONSTRUCT 801 #undef EV_CONSTRUCT
341 #undef EV_BEGIN_WATCHER 802 #undef EV_BEGIN_WATCHER
342 #undef EV_END_WATCHER 803 #undef EV_END_WATCHER
343} 804}
344 805

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