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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 1.43 by root, Wed Nov 5 14:36:18 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 60
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
103 enum { 61 enum
62 {
104 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
105 NONE = EV_NONE, 64 NONE = EV_NONE,
106 READ = EV_READ, 65 READ = EV_READ,
107 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
108 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
… …
112 STAT = EV_STAT, 71 STAT = EV_STAT,
113 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
114 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
115 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
116 FORK = EV_FORK, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
117 EMBED = EV_EMBED, 77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
118 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
119 }; 80 };
120 81
121 typedef ev_tstamp tstamp; 82 enum
83 {
84 AUTO = EVFLAG_AUTO,
85 NOENV = EVFLAG_NOENV,
86 FORKCHECK = EVFLAG_FORKCHECK,
122 87
123 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?")
124 { 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 == (struct ev_loop *other) const throw ()
166 {
167 return this->EV_AX == other;
168 }
169
170 bool operator != (struct ev_loop *other) const throw ()
171 {
172 return ! (*this == other);
173 }
174
175 bool operator == (const struct ev_loop *other) const throw ()
176 {
177 return this->EV_AX == other;
178 }
179
180 bool operator != (const struct ev_loop *other) const throw ()
181 {
182 return (*this == other);
183 }
184
185 operator struct ev_loop * () const throw ()
186 {
187 return EV_AX;
188 }
189
190 operator const struct ev_loop * () const throw ()
191 {
192 return EV_AX;
193 }
194
195 bool is_default () const throw ()
196 {
197 return EV_AX == ev_default_loop (0);
198 }
199#endif
200
201 void loop (int flags = 0)
202 {
203 ev_loop (EV_AX_ flags);
204 }
205
206 void unloop (how_t how = ONE) throw ()
207 {
208 ev_unloop (EV_AX_ how);
209 }
210
211 void post_fork () throw ()
212 {
213#if EV_MULTIPLICITY
214 ev_loop_fork (EV_AX);
215#else
216 ev_default_fork ();
217#endif
218 }
219
220 unsigned int count () const throw ()
221 {
222 return ev_loop_count (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 {
125 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 void set_io_collect_interval (tstamp interval) throw ()
246 {
247 ev_set_io_collect_interval (EV_AX_ interval);
248 }
249
250 void set_timeout_collect_interval (tstamp interval) throw ()
251 {
252 ev_set_timeout_collect_interval (EV_AX_ interval);
253 }
254
255 // function callback
256 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
257 {
258 ev_once (EV_AX_ fd, events, timeout, cb, arg);
259 }
260
261 // method callback
262 template<class K, void (K::*method)(int)>
263 void once (int fd, int events, tstamp timeout, K *object) throw ()
264 {
265 once (fd, events, timeout, method_thunk<K, method>, object);
266 }
267
268 template<class K, void (K::*method)(int)>
269 static void method_thunk (int revents, void* arg)
270 {
271 K *obj = static_cast<K *>(arg);
272 (obj->*method) (revents);
273 }
274
275 // const method callback
276 template<class K, void (K::*method)(int) const>
277 void once (int fd, int events, tstamp timeout, const K *object) throw ()
278 {
279 once (fd, events, timeout, const_method_thunk<K, method>, object);
280 }
281
282 template<class K, void (K::*method)(int) const>
283 static void const_method_thunk (int revents, void* arg)
284 {
285 K *obj = static_cast<K *>(arg);
286 (obj->*method) (revents);
287 }
288
289 // simple method callback
290 template<class K, void (K::*method)()>
291 void once (int fd, int events, tstamp timeout, K *object) throw ()
292 {
293 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
294 }
295
296 template<class K, void (K::*method)()>
297 static void method_noargs_thunk (int revents, void* arg)
298 {
299 K *obj = static_cast<K *>(arg);
300 (obj->*method) ();
301 }
302
303 // simpler function callback
304 template<void (*cb)(int)>
305 void once (int fd, int events, tstamp timeout) throw ()
306 {
307 once (fd, events, timeout, simpler_func_thunk<cb>);
308 }
309
310 template<void (*cb)(int)>
311 static void simpler_func_thunk (int revents, void* arg)
312 {
313 (*cb) (revents);
314 }
315
316 // simplest function callback
317 template<void (*cb)()>
318 void once (int fd, int events, tstamp timeout) throw ()
319 {
320 once (fd, events, timeout, simplest_func_thunk<cb>);
321 }
322
323 template<void (*cb)()>
324 static void simplest_func_thunk (int revents, void* arg)
325 {
326 (*cb) ();
327 }
328
329 void feed_fd_event (int fd, int revents) throw ()
330 {
331 ev_feed_fd_event (EV_AX_ fd, revents);
332 }
333
334 void feed_signal_event (int signum) throw ()
335 {
336 ev_feed_signal_event (EV_AX_ signum);
337 }
338
339#if EV_MULTIPLICITY
340 struct ev_loop* EV_AX;
341#endif
342
343 };
344
345#if EV_MULTIPLICITY
346 struct dynamic_loop : loop_ref
347 {
348
349 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
350 : loop_ref (ev_loop_new (flags))
351 {
352 if (!EV_AX)
353 throw bad_loop ();
354 }
355
356 ~dynamic_loop () throw ()
357 {
358 ev_loop_destroy (EV_AX);
359 EV_AX = 0;
360 }
361
362 private:
363
364 dynamic_loop (const dynamic_loop &);
365
366 dynamic_loop & operator= (const dynamic_loop &);
367
368 };
369#endif
370
371 struct default_loop : loop_ref
372 {
373 default_loop (unsigned int flags = AUTO) throw (bad_loop)
374#if EV_MULTIPLICITY
375 : loop_ref (ev_default_loop (flags))
376#endif
377 {
378 if (
379#if EV_MULTIPLICITY
380 !EV_AX
381#else
382 !ev_default_loop (flags)
383#endif
384 )
385 throw bad_loop ();
386 }
387
388 ~default_loop () throw ()
389 {
390 ev_default_destroy ();
391 }
392
393 private:
394 default_loop (const default_loop &);
395 default_loop &operator = (const default_loop &);
396 };
397
398 inline loop_ref get_default_loop () throw ()
399 {
400#if EV_MULTIPLICITY
401 return ev_default_loop (0);
402#else
403 return loop_ref ();
404#endif
405 }
406
407#undef EV_AX
408#undef EV_AX_
409
410#undef EV_PX
411#undef EV_PX_
412#if EV_MULTIPLICITY
413# define EV_PX loop_ref EV_A
414# define EV_PX_ loop_ref EV_A_
415#else
416# define EV_PX
417# define EV_PX_
418#endif
419
420 template<class ev_watcher, class watcher>
421 struct base : ev_watcher
422 {
423 #if EV_MULTIPLICITY
424 EV_PX;
425
426 void set (EV_PX) throw ()
427 {
428 this->EV_A = EV_A;
429 }
430 #endif
431
432 base (EV_PX) throw ()
433 #if EV_MULTIPLICITY
434 : EV_A (EV_A)
435 #endif
436 {
437 ev_init (this, 0);
438 }
439
440 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
441 {
442 this->data = data;
443 ev_set_cb (static_cast<ev_watcher *>(this), cb);
444 }
445
446 // method callback
447 template<class K, void (K::*method)(watcher &w, int)>
448 void set (K *object) throw ()
449 {
450 set_ (object, method_thunk<K, method>);
451 }
452
453 template<class K, void (K::*method)(watcher &w, int)>
454 static void method_thunk (EV_P_ ev_watcher *w, int revents)
455 {
456 K *obj = static_cast<K *>(w->data);
457 (obj->*method) (*static_cast<watcher *>(w), revents);
458 }
459
460 // const method callback
461 template<class K, void (K::*method)(watcher &w, int) const>
462 void set (const K *object) throw ()
463 {
464 set_ (object, const_method_thunk<K, method>);
465 }
466
467 template<class K, void (K::*method)(watcher &w, int) const>
468 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
469 {
470 K *obj = static_cast<K *>(w->data);
471 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
472 }
473
474 // function callback
475 template<void (*function)(watcher &w, int)>
476 void set (void *data = 0) throw ()
477 {
478 set_ (data, function_thunk<function>);
479 }
480
481 template<void (*function)(watcher &w, int)>
482 static void function_thunk (EV_P_ ev_watcher *w, int revents)
483 {
484 function (*static_cast<watcher *>(w), revents);
485 }
486
487 // simple callback
488 template<class K, void (K::*method)()>
489 void set (K *object) throw ()
490 {
491 set_ (object, method_noargs_thunk<K, method>);
492 }
493
494 template<class K, void (K::*method)()>
495 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
496 {
497 K *obj = static_cast<K *>(w->data);
498 (obj->*method) ();
499 }
500
501 void operator ()(int events = EV_UNDEF)
502 {
503 return ev_cb (static_cast<ev_watcher *>(this))
504 (static_cast<ev_watcher *>(this), events);
505 }
506
507 bool is_active () const throw ()
508 {
509 return ev_is_active (static_cast<const ev_watcher *>(this));
510 }
511
512 bool is_pending () const throw ()
513 {
514 return ev_is_pending (static_cast<const ev_watcher *>(this));
515 }
516
517 void feed_event (int revents) throw ()
518 {
519 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
520 }
521 };
522
523 inline tstamp now () throw ()
524 {
525 return ev_time ();
526 }
527
528 inline void delay (tstamp interval) throw ()
529 {
530 ev_sleep (interval);
531 }
532
533 inline int version_major () throw ()
534 {
535 return ev_version_major ();
536 }
537
538 inline int version_minor () throw ()
539 {
540 return ev_version_minor ();
541 }
542
543 inline unsigned int supported_backends () throw ()
544 {
545 return ev_supported_backends ();
546 }
547
548 inline unsigned int recommended_backends () throw ()
549 {
550 return ev_recommended_backends ();
551 }
552
553 inline unsigned int embeddable_backends () throw ()
554 {
555 return ev_embeddable_backends ();
556 }
557
558 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
559 {
560 ev_set_allocator (cb);
561 }
562
563 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
564 {
565 ev_set_syserr_cb (cb);
126 } 566 }
127 567
128 #if EV_MULTIPLICITY 568 #if EV_MULTIPLICITY
129 #define EV_CONSTRUCT \ 569 #define EV_CONSTRUCT(cppstem,cstem) \
130 (EV_P = EV_DEFAULT) \ 570 (EV_PX = get_default_loop ()) throw () \
571 : base<ev_ ## cstem, cppstem> (EV_A) \
131 { \ 572 { \
132 set (EV_A); \
133 } 573 }
134 #else 574 #else
135 #define EV_CONSTRUCT \ 575 #define EV_CONSTRUCT(cppstem,cstem) \
136 () \ 576 () throw () \
137 { \ 577 { \
138 } 578 }
139 #endif 579 #endif
140 580
141 /* using a template here would require quite a bit more lines, 581 /* using a template here would require quite a bit more lines,
142 * so a macro solution was chosen */ 582 * so a macro solution was chosen */
143 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 583 #define EV_BEGIN_WATCHER(cppstem,cstem) \
144 \ 584 \
145 struct cppstem : base<ev_ ## cstem, cppstem> \ 585 struct cppstem : base<ev_ ## cstem, cppstem> \
146 { \ 586 { \
147 void start () \ 587 void start () throw () \
148 { \ 588 { \
149 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 589 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
150 } \ 590 } \
151 \ 591 \
152 void stop () \ 592 void stop () throw () \
153 { \ 593 { \
154 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 594 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
155 } \ 595 } \
156 \ 596 \
157 cppstem EV_CONSTRUCT \ 597 cppstem EV_CONSTRUCT(cppstem,cstem) \
158 \ 598 \
159 ~cppstem () \ 599 ~cppstem () throw () \
160 { \ 600 { \
161 stop (); \ 601 stop (); \
162 } \ 602 } \
163 \ 603 \
164 using base<ev_ ## cstem, cppstem>::set; \ 604 using base<ev_ ## cstem, cppstem>::set; \
165 \ 605 \
166 private: \ 606 private: \
167 \ 607 \
168 cppstem (const cppstem &o) \ 608 cppstem (const cppstem &o); \
169 { /* disabled */ } \
170 \ 609 \
171 void operator =(const cppstem &o) { /* disabled */ } \ 610 cppstem &operator =(const cppstem &o); \
172 \ 611 \
173 public: 612 public:
174 613
175 #define EV_END_WATCHER(cppstem,cstem) \ 614 #define EV_END_WATCHER(cppstem,cstem) \
176 }; 615 };
177 616
178 EV_BEGIN_WATCHER (io, io) 617 EV_BEGIN_WATCHER (io, io)
179 void set (int fd, int events) 618 void set (int fd, int events) throw ()
180 { 619 {
181 int active = is_active (); 620 int active = is_active ();
182 if (active) stop (); 621 if (active) stop ();
183 ev_io_set (static_cast<ev_io *>(this), fd, events); 622 ev_io_set (static_cast<ev_io *>(this), fd, events);
184 if (active) start (); 623 if (active) start ();
185 } 624 }
186 625
187 void set (int events) 626 void set (int events) throw ()
188 { 627 {
189 int active = is_active (); 628 int active = is_active ();
190 if (active) stop (); 629 if (active) stop ();
191 ev_io_set (static_cast<ev_io *>(this), fd, events); 630 ev_io_set (static_cast<ev_io *>(this), fd, events);
192 if (active) start (); 631 if (active) start ();
193 } 632 }
194 633
195 void start (int fd, int events) 634 void start (int fd, int events) throw ()
196 { 635 {
197 set (fd, events); 636 set (fd, events);
198 start (); 637 start ();
199 } 638 }
200 EV_END_WATCHER (io, io) 639 EV_END_WATCHER (io, io)
201 640
202 EV_BEGIN_WATCHER (timer, timer) 641 EV_BEGIN_WATCHER (timer, timer)
203 void set (ev_tstamp after, ev_tstamp repeat = 0.) 642 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
204 { 643 {
205 int active = is_active (); 644 int active = is_active ();
206 if (active) stop (); 645 if (active) stop ();
207 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 646 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
208 if (active) start (); 647 if (active) start ();
209 } 648 }
210 649
211 void start (ev_tstamp after, ev_tstamp repeat = 0.) 650 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
212 { 651 {
213 set (after, repeat); 652 set (after, repeat);
214 start (); 653 start ();
215 } 654 }
216 655
217 void again () 656 void again () throw ()
218 { 657 {
219 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 658 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
220 } 659 }
221 EV_END_WATCHER (timer, timer) 660 EV_END_WATCHER (timer, timer)
222 661
223 #if EV_PERIODIC_ENABLE 662 #if EV_PERIODIC_ENABLE
224 EV_BEGIN_WATCHER (periodic, periodic) 663 EV_BEGIN_WATCHER (periodic, periodic)
225 void set (ev_tstamp at, ev_tstamp interval = 0.) 664 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
226 { 665 {
227 int active = is_active (); 666 int active = is_active ();
228 if (active) stop (); 667 if (active) stop ();
229 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 668 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
230 if (active) start (); 669 if (active) start ();
231 } 670 }
232 671
233 void start (ev_tstamp at, ev_tstamp interval = 0.) 672 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
234 { 673 {
235 set (at, interval); 674 set (at, interval);
236 start (); 675 start ();
237 } 676 }
238 677
239 void again () 678 void again () throw ()
240 { 679 {
241 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 680 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
242 } 681 }
243 EV_END_WATCHER (periodic, periodic) 682 EV_END_WATCHER (periodic, periodic)
244 #endif 683 #endif
245 684
246 EV_BEGIN_WATCHER (sig, signal) 685 EV_BEGIN_WATCHER (sig, signal)
247 void set (int signum) 686 void set (int signum) throw ()
248 { 687 {
249 int active = is_active (); 688 int active = is_active ();
250 if (active) stop (); 689 if (active) stop ();
251 ev_signal_set (static_cast<ev_signal *>(this), signum); 690 ev_signal_set (static_cast<ev_signal *>(this), signum);
252 if (active) start (); 691 if (active) start ();
253 } 692 }
254 693
255 void start (int signum) 694 void start (int signum) throw ()
256 { 695 {
257 set (signum); 696 set (signum);
258 start (); 697 start ();
259 } 698 }
260 EV_END_WATCHER (sig, signal) 699 EV_END_WATCHER (sig, signal)
261 700
262 EV_BEGIN_WATCHER (child, child) 701 EV_BEGIN_WATCHER (child, child)
263 void set (int pid) 702 void set (int pid, int trace = 0) throw ()
264 { 703 {
265 int active = is_active (); 704 int active = is_active ();
266 if (active) stop (); 705 if (active) stop ();
267 ev_child_set (static_cast<ev_child *>(this), pid); 706 ev_child_set (static_cast<ev_child *>(this), pid, trace);
268 if (active) start (); 707 if (active) start ();
269 } 708 }
270 709
271 void start (int pid) 710 void start (int pid, int trace = 0) throw ()
272 { 711 {
273 set (pid); 712 set (pid, trace);
274 start (); 713 start ();
275 } 714 }
276 EV_END_WATCHER (child, child) 715 EV_END_WATCHER (child, child)
277 716
278 #if EV_STAT_ENABLE 717 #if EV_STAT_ENABLE
279 EV_BEGIN_WATCHER (stat, stat) 718 EV_BEGIN_WATCHER (stat, stat)
280 void set (const char *path, ev_tstamp interval = 0.) 719 void set (const char *path, ev_tstamp interval = 0.) throw ()
281 { 720 {
282 int active = is_active (); 721 int active = is_active ();
283 if (active) stop (); 722 if (active) stop ();
284 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 723 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
285 if (active) start (); 724 if (active) start ();
286 } 725 }
287 726
288 void start (const char *path, ev_tstamp interval = 0.) 727 void start (const char *path, ev_tstamp interval = 0.) throw ()
289 { 728 {
290 stop (); 729 stop ();
291 set (path, interval); 730 set (path, interval);
292 start (); 731 start ();
293 } 732 }
294 733
295 void update () 734 void update () throw ()
296 { 735 {
297 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 736 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
298 } 737 }
299 EV_END_WATCHER (stat, stat) 738 EV_END_WATCHER (stat, stat)
300 #endif 739 #endif
301 740
302 EV_BEGIN_WATCHER (idle, idle) 741 EV_BEGIN_WATCHER (idle, idle)
303 void set () { } 742 void set () throw () { }
304 EV_END_WATCHER (idle, idle) 743 EV_END_WATCHER (idle, idle)
305 744
306 EV_BEGIN_WATCHER (prepare, prepare) 745 EV_BEGIN_WATCHER (prepare, prepare)
307 void set () { } 746 void set () throw () { }
308 EV_END_WATCHER (prepare, prepare) 747 EV_END_WATCHER (prepare, prepare)
309 748
310 EV_BEGIN_WATCHER (check, check) 749 EV_BEGIN_WATCHER (check, check)
311 void set () { } 750 void set () throw () { }
312 EV_END_WATCHER (check, check) 751 EV_END_WATCHER (check, check)
313 752
314 #if EV_EMBED_ENABLE 753 #if EV_EMBED_ENABLE
315 EV_BEGIN_WATCHER (embed, embed) 754 EV_BEGIN_WATCHER (embed, embed)
316 void start (struct ev_loop *embedded_loop) 755 void set (struct ev_loop *embedded_loop) throw ()
317 { 756 {
318 stop (); 757 int active = is_active ();
758 if (active) stop ();
319 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 759 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
760 if (active) start ();
761 }
762
763 void start (struct ev_loop *embedded_loop) throw ()
764 {
765 set (embedded_loop);
320 start (); 766 start ();
321 } 767 }
322 768
323 void sweep () 769 void sweep ()
324 { 770 {
… …
327 EV_END_WATCHER (embed, embed) 773 EV_END_WATCHER (embed, embed)
328 #endif 774 #endif
329 775
330 #if EV_FORK_ENABLE 776 #if EV_FORK_ENABLE
331 EV_BEGIN_WATCHER (fork, fork) 777 EV_BEGIN_WATCHER (fork, fork)
332 void set () { } 778 void set () throw () { }
333 EV_END_WATCHER (fork, fork) 779 EV_END_WATCHER (fork, fork)
334 #endif 780 #endif
335 781
782 #if EV_ASYNC_ENABLE
783 EV_BEGIN_WATCHER (async, async)
784 void set () throw () { }
785
786 void send () throw ()
787 {
788 ev_async_send (EV_A_ static_cast<ev_async *>(this));
789 }
790
791 bool async_pending () throw ()
792 {
793 return ev_async_pending (static_cast<ev_async *>(this));
794 }
795 EV_END_WATCHER (async, async)
796 #endif
797
798 #undef EV_PX
799 #undef EV_PX_
336 #undef EV_CONSTRUCT 800 #undef EV_CONSTRUCT
337 #undef EV_BEGIN_WATCHER 801 #undef EV_BEGIN_WATCHER
338 #undef EV_END_WATCHER 802 #undef EV_END_WATCHER
339} 803}
340 804

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