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Comparing libev/ev++.h (file contents):
Revision 1.1 by root, Sat Nov 10 21:19:30 2007 UTC vs.
Revision 1.35 by llucax, Tue Jan 22 17:57:17 2008 UTC

1/*
2 * libev simple C++ wrapper classes
3 *
4 * Copyright (c) 2007 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/* work in progress, don't use unless you know what you are doing */ 43#ifdef EV_H
44# include EV_H
45#else
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 60
61 enum {
62 UNDEF = EV_UNDEF,
63 NONE = EV_NONE,
64 READ = EV_READ,
65 WRITE = EV_WRITE,
66 TIMEOUT = EV_TIMEOUT,
67 PERIODIC = EV_PERIODIC,
68 SIGNAL = EV_SIGNAL,
69 CHILD = EV_CHILD,
70 STAT = EV_STAT,
71 IDLE = EV_IDLE,
72 CHECK = EV_CHECK,
73 PREPARE = EV_PREPARE,
74 FORK = EV_FORK,
75 EMBED = EV_EMBED,
76 ERROR = EV_ERROR,
77 };
78
79 enum
80 {
81 AUTO = EVFLAG_AUTO,
82 NOENV = EVFLAG_NOENV,
83 FORKCHECK = EVFLAG_FORKCHECK,
84 SELECT = EVBACKEND_SELECT,
85 POLL = EVBACKEND_POLL,
86 EPOLL = EVBACKEND_EPOLL,
87 KQUEUE = EVBACKEND_KQUEUE,
88 DEVPOLL = EVBACKEND_DEVPOLL,
89 PORT = EVBACKEND_PORT
90 };
91
92 enum
93 {
94 NONBLOCK = EVLOOP_NONBLOCK,
95 ONESHOT = EVLOOP_ONESHOT
96 };
97
98 enum how_t
99 {
100 ONE = EVUNLOOP_ONE,
101 ALL = EVUNLOOP_ALL
102 };
103
104 struct bad_loop
105#if EV_USE_STDEXCEPT
106 : std::runtime_error
107#endif
108 {
109#if EV_USE_STDEXCEPT
110 bad_loop ()
111 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
10 { 112 {
11 struct object { };
12
13 void *obj;
14 void (object::*meth)(watcher &, int);
15
16 /* a proxy is a kind of recipe on how to call a specific class method */
17 struct proxy_base {
18 virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int) const = 0;
19 }; 113 }
20 template<class O1, class O2> 114#endif
21 struct proxy : proxy_base { 115 };
22 virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int e) const 116
117#ifdef EV_AX
118# undef EV_AX
119#endif
120
121#ifdef EV_AX_
122# undef EV_AX_
123#endif
124
125#if EV_MULTIPLICITY
126# define EV_AX raw_loop
127# define EV_AX_ raw_loop,
128#else
129# define EV_AX
130# define EV_AX_
131#endif
132
133 struct loop_ref
134 {
135
136 loop_ref (EV_P)
137#if EV_MULTIPLICITY
138 throw (bad_loop) : EV_AX (EV_A)
139 {
140 if (!EV_AX)
141 throw bad_loop ();
142 }
143#else
144 throw ()
145 {
146 }
147#endif
148
149 bool operator == (const loop_ref &other) const throw ()
150 {
151#if EV_MULTIPLICITY
152 return EV_AX == other.EV_AX;
153#else
154 return true;
155#endif
156 }
157
158 bool operator != (const loop_ref &other) const throw ()
159 {
160#if EV_MULTIPLICITY
161 return ! (*this == other);
162#else
163 return false;
164#endif
165 }
166
167#if EV_MULTIPLICITY
168 bool operator== (struct ev_loop *other) const throw ()
169 {
170 return this->EV_AX == other;
171 }
172
173 bool operator!= (struct ev_loop *other) const throw ()
174 {
175 return ! (*this == other);
176 }
177
178 bool operator== (const struct ev_loop *other) const throw ()
179 {
180 return this->EV_AX == other;
181 }
182
183 bool operator!= (const struct ev_loop *other) const throw ()
184 {
185 return (*this == other);
186 }
187
188 operator struct ev_loop * () const throw ()
189 {
190 return EV_AX;
191 }
192
193 operator const struct ev_loop * () const throw ()
194 {
195 return EV_AX;
196 }
197
198 bool is_default () const throw ()
199 {
200 return EV_AX == ev_default_loop (0);
201 }
202#endif
203
204 void loop (int flags = 0)
205 {
206 ev_loop (EV_AX_ flags);
207 }
208
209 void unloop (how_t how = ONE) throw ()
210 {
211 ev_unloop (EV_AX_ how);
212 }
213
214 void post_fork () throw ()
215 {
216#if EV_MULTIPLICITY
217 ev_loop_fork (EV_AX);
218#else
219 ev_default_fork ();
220#endif
221 }
222
223 unsigned int count () const throw ()
224 {
225 return ev_loop_count (EV_AX);
226 }
227
228 unsigned int backend () const throw ()
229 {
230 return ev_backend (EV_AX);
231 }
232
233 tstamp now () const throw ()
234 {
235 return ev_now (EV_AX);
236 }
237
238 void ref () throw ()
239 {
240 ev_ref (EV_AX);
241 }
242
243 void unref () throw ()
244 {
245 ev_unref (EV_AX);
246 }
247
248 void set_io_collect_interval (tstamp interval) throw ()
249 {
250 ev_set_io_collect_interval (EV_AX_ interval);
251 }
252
253 void set_timeout_collect_interval (tstamp interval) throw ()
254 {
255 ev_set_timeout_collect_interval (EV_AX_ interval);
256 }
257
258 // function callback
259 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
260 {
261 ev_once (EV_AX_ fd, events, timeout, cb, arg);
262 }
263
264 // method callback
265 template<class K, void (K::*method)(int)>
266 void once (int fd, int events, tstamp timeout, K *object) throw ()
267 {
268 once (fd, events, timeout, method_thunk<K, method>, object);
269 }
270
271 template<class K, void (K::*method)(int)>
272 static void method_thunk (int revents, void* arg)
273 {
274 K *obj = static_cast<K *>(arg);
275 (obj->*method) (revents);
276 }
277
278 // const method callback
279 template<class K, void (K::*method)(int) const>
280 void once (int fd, int events, tstamp timeout, const K *object) throw ()
281 {
282 once (fd, events, timeout, const_method_thunk<K, method>, object);
283 }
284
285 template<class K, void (K::*method)(int) const>
286 static void const_method_thunk (int revents, void* arg)
287 {
288 K *obj = static_cast<K *>(arg);
289 (obj->*method) (revents);
290 }
291
292 // simple method callback
293 template<class K, void (K::*method)()>
294 void once (int fd, int events, tstamp timeout, K *object) throw ()
295 {
296 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
297 }
298
299 template<class K, void (K::*method)()>
300 static void method_noargs_thunk (int revents, void* arg)
301 {
302 K *obj = static_cast<K *>(arg);
303 (obj->*method) ();
304 }
305
306 // simpler function callback
307 template<void (*cb)(int)>
308 void once (int fd, int events, tstamp timeout) throw ()
309 {
310 once (fd, events, timeout, simpler_func_thunk<cb>);
311 }
312
313 template<void (*cb)(int)>
314 static void simpler_func_thunk (int revents, void* arg)
315 {
316 (*cb) (revents);
317 }
318
319 // simplest function callback
320 template<void (*cb)()>
321 void once (int fd, int events, tstamp timeout) throw ()
322 {
323 once (fd, events, timeout, simplest_func_thunk<cb>);
324 }
325
326 template<void (*cb)()>
327 static void simplest_func_thunk (int revents, void* arg)
328 {
329 (*cb) ();
330 }
331
332 void feed_fd_event (int fd, int revents) throw ()
333 {
334 ev_feed_fd_event (EV_AX_ fd, revents);
335 }
336
337 void feed_signal_event (int signum) throw ()
338 {
339 ev_feed_signal_event (EV_AX_ signum);
340 }
341
342#if EV_MULTIPLICITY
343 struct ev_loop* EV_AX;
344#endif
345
346 };
347
348#if EV_MULTIPLICITY
349 struct dynamic_loop: loop_ref
350 {
351
352 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
353 : loop_ref (ev_loop_new (flags))
354 {
355 }
356
357 ~dynamic_loop () throw ()
358 {
359 ev_loop_destroy (EV_AX);
360 EV_AX = 0;
361 }
362
363 private:
364
365 dynamic_loop (const dynamic_loop &);
366
367 dynamic_loop & operator= (const dynamic_loop &);
368
369 };
370#endif
371
372 struct default_loop: loop_ref
373 {
374
375 default_loop (unsigned int flags = AUTO) throw (bad_loop)
376#if EV_MULTIPLICITY
377 : loop_ref (ev_default_loop (flags))
378#endif
379 {
380#if !EV_MULTIPLICITY
381 if (!ev_default_loop (flags))
382 throw bad_loop ();
383#endif
384 }
385
386 ~default_loop () throw ()
387 {
388 ev_default_destroy ();
389 }
390
391 private:
392 default_loop (const default_loop &);
393 default_loop &operator = (const default_loop &);
394 };
395
396 inline loop_ref get_default_loop () throw ()
397 {
398#if EV_MULTIPLICITY
399 return ev_default_loop (0);
400#else
401 return loop_ref ();
402#endif
403 }
404
405#undef EV_AX
406#undef EV_AX_
407
408#undef EV_PX
409#undef EV_PX_
410#if EV_MULTIPLICITY
411# define EV_PX loop_ref EV_A
412# define EV_PX_ loop_ref EV_A_
413#else
414# define EV_PX
415# define EV_PX_
416#endif
417
418 template<class ev_watcher, class watcher>
419 struct base : ev_watcher
420 {
421 #if EV_MULTIPLICITY
422 EV_PX;
423
424 void set (EV_PX) throw ()
23 { 425 {
24 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(watcher &, int)>(meth))) 426 this->EV_A = EV_A;
25 (w, e);
26 } 427 }
428 #endif
429
430 base (EV_PX) throw ()
431 #if EV_MULTIPLICITY
432 : EV_A (EV_A)
433 #endif
434 {
435 ev_init (this, 0);
27 }; 436 }
28 437
29 proxy_base *prxy; 438 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
30
31 public:
32 template<class O1, class O2>
33 explicit callback (O1 *object, void (O2::*method)(watcher &, int))
34 {
35 static proxy<O1,O2> p;
36 obj = reinterpret_cast<void *>(object);
37 meth = reinterpret_cast<void (object::*)(watcher &, int)>(method);
38 prxy = &p;
39 } 439 {
40 440 this->data = data;
41 void call (watcher *w, int e) const 441 ev_set_cb (static_cast<ev_watcher *>(this), cb);
42 { 442 }
43 return prxy->call (obj, meth, *w, e); 443
444 // method callback
445 template<class K, void (K::*method)(watcher &w, int)>
446 void set (K *object) throw ()
44 } 447 {
448 set_ (object, method_thunk<K, method>);
449 }
450
451 template<class K, void (K::*method)(watcher &w, int)>
452 static void method_thunk (EV_P_ ev_watcher *w, int revents)
453 {
454 K *obj = static_cast<K *>(w->data);
455 (obj->*method) (*static_cast<watcher *>(w), revents);
456 }
457
458 // const method callback
459 template<class K, void (K::*method)(watcher &w, int) const>
460 void set (const K *object) throw ()
461 {
462 set_ (object, const_method_thunk<K, method>);
463 }
464
465 template<class K, void (K::*method)(watcher &w, int) const>
466 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
467 {
468 K *obj = static_cast<K *>(w->data);
469 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
470 }
471
472 // function callback
473 template<void (*function)(watcher &w, int)>
474 void set (void *data = 0) throw ()
475 {
476 set_ (data, function_thunk<function>);
477 }
478
479 template<void (*function)(watcher &w, int)>
480 static void function_thunk (EV_P_ ev_watcher *w, int revents)
481 {
482 function (*static_cast<watcher *>(w), revents);
483 }
484
485 // simple callback
486 template<class K, void (K::*method)()>
487 void set (K *object) throw ()
488 {
489 set_ (object, method_noargs_thunk<K, method>);
490 }
491
492 template<class K, void (K::*method)()>
493 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
494 {
495 K *obj = static_cast<K *>(w->data);
496 (obj->*method) ();
497 }
498
499 void operator ()(int events = EV_UNDEF)
500 {
501 return ev_cb (static_cast<ev_watcher *>(this))
502 (static_cast<ev_watcher *>(this), events);
503 }
504
505 bool is_active () const throw ()
506 {
507 return ev_is_active (static_cast<const ev_watcher *>(this));
508 }
509
510 bool is_pending () const throw ()
511 {
512 return ev_is_pending (static_cast<const ev_watcher *>(this));
513 }
514
515 void feed_event (int revents) throw ()
516 {
517 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
518 }
519 };
520
521 inline tstamp now () throw ()
522 {
523 return ev_time ();
45 }; 524 }
46 525
47 #include "ev.h" 526 inline void delay (tstamp interval) throw ()
48
49 typedef ev_tstamp tstamp;
50
51 inline ev_tstamp now (EV_P)
52 { 527 {
53 return ev_now (EV_A); 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);
54 } 564 }
55 565
56 #if EV_MULTIPLICITY 566 #if EV_MULTIPLICITY
57 567 #define EV_CONSTRUCT(cppstem,cstem) \
58 #define EV_CONSTRUCT(cppstem) \ 568 (EV_PX = get_default_loop ()) throw () \
59 EV_P; \ 569 : base<ev_ ## cstem, cppstem> (EV_A) \
60 \
61 void set (EV_P) \
62 { \ 570 { \
63 this->EV_A = EV_A; \ 571 }
64 } \
65 \
66 template<class O1, class O2> \
67 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \
68 : callback<cppstem> (object, method), EV_A (EV_A)
69
70 #else 572 #else
71 573 #define EV_CONSTRUCT(cppstem,cstem) \
72 #define EV_CONSTRUCT(cppstem) \ 574 () throw () \
73 template<class O1, class O2> \ 575 { \
74 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 576 }
75 : callback<cppstem> (object, method)
76
77 #endif 577 #endif
78 578
79 /* using a template here would require quite a bit more lines, 579 /* using a template here would require quite a bit more lines,
80 * so a macro solution was chosen */ 580 * so a macro solution was chosen */
81 #define EV_DECLARE_WATCHER(cppstem,cstem) \ 581 #define EV_BEGIN_WATCHER(cppstem,cstem) \
82 \ 582 \
83 extern "C" void cb_ ## cppstem (struct ev_ ## cstem *w, int revents); \
84 \
85 struct cppstem : ev_ ## cstem, callback<cppstem> \ 583 struct cppstem : base<ev_ ## cstem, cppstem> \
86 { \ 584 { \
87 EV_CONSTRUCT (cppstem) \
88 { \
89 ev_init (static_cast<ev_ ## cstem *>(this), cb_ ## cppstem); \
90 } \
91 \
92 bool is_active () const \
93 { \
94 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
95 } \
96 \
97 bool is_pending () const \
98 { \
99 return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \
100 } \
101 \
102 void start () \ 585 void start () throw () \
103 { \ 586 { \
104 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 587 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
105 } \ 588 } \
106 \ 589 \
107 void stop () \ 590 void stop () throw () \
108 { \ 591 { \
109 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 592 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
110 } \ 593 } \
111 \ 594 \
112 void operator ()(int events = EV_UNDEF) \ 595 cppstem EV_CONSTRUCT(cppstem,cstem) \
596 \
597 ~cppstem () throw () \
113 { \ 598 { \
114 return call (this, events); \ 599 stop (); \
115 } \ 600 } \
116 \ 601 \
602 using base<ev_ ## cstem, cppstem>::set; \
603 \
117 private: \ 604 private: \
118 \ 605 \
119 cppstem (const cppstem &o) \ 606 cppstem (const cppstem &o); \
120 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ 607 \
121 { /* disabled */ } \ 608 cppstem & operator =(const cppstem &o); \
122 void operator =(const cppstem &o) { /* disabled */ } \
123 \ 609 \
124 public: 610 public:
125 611
612 #define EV_END_WATCHER(cppstem,cstem) \
613 };
614
126 EV_DECLARE_WATCHER (io, io) 615 EV_BEGIN_WATCHER (io, io)
127 void set (int fd, int events) 616 void set (int fd, int events) throw ()
128 { 617 {
129 int active = is_active (); 618 int active = is_active ();
130 if (active) stop (); 619 if (active) stop ();
131 ev_io_set (static_cast<ev_io *>(this), fd, events); 620 ev_io_set (static_cast<ev_io *>(this), fd, events);
132 if (active) start (); 621 if (active) start ();
133 } 622 }
134 623
135 void set (int events) 624 void set (int events) throw ()
136 { 625 {
137 int active = is_active (); 626 int active = is_active ();
138 if (active) stop (); 627 if (active) stop ();
139 ev_io_set (static_cast<ev_io *>(this), fd, events); 628 ev_io_set (static_cast<ev_io *>(this), fd, events);
140 if (active) start (); 629 if (active) start ();
141 } 630 }
142 631
143 void start (int fd, int events) 632 void start (int fd, int events) throw ()
144 { 633 {
145 set (fd, events); 634 set (fd, events);
146 start (); 635 start ();
147 } 636 }
148 }; 637 EV_END_WATCHER (io, io)
149 638
150 EV_DECLARE_WATCHER (timer, timer) 639 EV_BEGIN_WATCHER (timer, timer)
151 void set (ev_tstamp after, ev_tstamp repeat = 0.) 640 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
152 { 641 {
153 int active = is_active (); 642 int active = is_active ();
154 if (active) stop (); 643 if (active) stop ();
155 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 644 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
156 if (active) start (); 645 if (active) start ();
157 } 646 }
158 647
159 void start (ev_tstamp after, ev_tstamp repeat = 0.) 648 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
160 { 649 {
161 set (after, repeat); 650 set (after, repeat);
162 start (); 651 start ();
163 } 652 }
164 653
165 void again () 654 void again () throw ()
166 { 655 {
167 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
168 } 657 }
169 }; 658 EV_END_WATCHER (timer, timer)
170 659
660 #if EV_PERIODIC_ENABLE
171 EV_DECLARE_WATCHER (periodic, periodic) 661 EV_BEGIN_WATCHER (periodic, periodic)
172 void set (ev_tstamp at, ev_tstamp interval = 0.) 662 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
173 { 663 {
174 int active = is_active (); 664 int active = is_active ();
175 if (active) stop (); 665 if (active) stop ();
176 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 666 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
177 if (active) start (); 667 if (active) start ();
178 } 668 }
179 669
180 void start (ev_tstamp at, ev_tstamp interval = 0.) 670 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
181 { 671 {
182 set (at, interval); 672 set (at, interval);
183 start (); 673 start ();
184 } 674 }
185 675
186 void again () 676 void again () throw ()
187 { 677 {
188 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 678 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
189 } 679 }
190 }; 680 EV_END_WATCHER (periodic, periodic)
681 #endif
191 682
192 EV_DECLARE_WATCHER (idle, idle)
193 };
194
195 EV_DECLARE_WATCHER (prepare, prepare)
196 };
197
198 EV_DECLARE_WATCHER (check, check)
199 };
200
201 EV_DECLARE_WATCHER (sig, signal) 683 EV_BEGIN_WATCHER (sig, signal)
202 void set (int signum) 684 void set (int signum) throw ()
203 { 685 {
204 int active = is_active (); 686 int active = is_active ();
205 if (active) stop (); 687 if (active) stop ();
206 ev_signal_set (static_cast<ev_signal *>(this), signum); 688 ev_signal_set (static_cast<ev_signal *>(this), signum);
207 if (active) start (); 689 if (active) start ();
208 } 690 }
209 691
210 void start (int signum) 692 void start (int signum) throw ()
211 { 693 {
212 set (signum); 694 set (signum);
213 start (); 695 start ();
214 } 696 }
215 }; 697 EV_END_WATCHER (sig, signal)
216 698
217 EV_DECLARE_WATCHER (child, child) 699 EV_BEGIN_WATCHER (child, child)
218 void set (int pid) 700 void set (int pid) throw ()
219 { 701 {
220 int active = is_active (); 702 int active = is_active ();
221 if (active) stop (); 703 if (active) stop ();
222 ev_child_set (static_cast<ev_child *>(this), pid); 704 ev_child_set (static_cast<ev_child *>(this), pid);
223 if (active) start (); 705 if (active) start ();
224 } 706 }
225 707
226 void start (int pid) 708 void start (int pid) throw ()
227 { 709 {
228 set (pid); 710 set (pid);
229 start (); 711 start ();
230 } 712 }
231 }; 713 EV_END_WATCHER (child, child)
232 714
715 #if EV_STAT_ENABLE
716 EV_BEGIN_WATCHER (stat, stat)
717 void set (const char *path, ev_tstamp interval = 0.) throw ()
718 {
719 int active = is_active ();
720 if (active) stop ();
721 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
722 if (active) start ();
723 }
724
725 void start (const char *path, ev_tstamp interval = 0.) throw ()
726 {
727 stop ();
728 set (path, interval);
729 start ();
730 }
731
732 void update () throw ()
733 {
734 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
735 }
736 EV_END_WATCHER (stat, stat)
737 #endif
738
739 EV_BEGIN_WATCHER (idle, idle)
740 void set () throw () { }
741 EV_END_WATCHER (idle, idle)
742
743 EV_BEGIN_WATCHER (prepare, prepare)
744 void set () throw () { }
745 EV_END_WATCHER (prepare, prepare)
746
747 EV_BEGIN_WATCHER (check, check)
748 void set () throw () { }
749 EV_END_WATCHER (check, check)
750
751 #if EV_EMBED_ENABLE
752 EV_BEGIN_WATCHER (embed, embed)
753 void start (struct ev_loop *embedded_loop) throw ()
754 {
755 stop ();
756 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
757 start ();
758 }
759
760 void sweep ()
761 {
762 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
763 }
764 EV_END_WATCHER (embed, embed)
765 #endif
766
767 #if EV_FORK_ENABLE
768 EV_BEGIN_WATCHER (fork, fork)
769 void set () throw () { }
770 EV_END_WATCHER (fork, fork)
771 #endif
772
773 #undef EV_PX
774 #undef EV_PX_
233 #undef EV_CONSTRUCT 775 #undef EV_CONSTRUCT
776 #undef EV_BEGIN_WATCHER
234 #undef EV_DECLARE_WATCHER 777 #undef EV_END_WATCHER
778
235} 779}
236 780
237#endif 781#endif
238 782

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