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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 1.31 by root, Sat Jan 19 00:39:38 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_CXX_EXCEPTIONS
50#define EV_CXX_EXCEPTIONS 1
51#endif
52
53#undef EV_THROW
54#if EV_CXX_EXCEPTIONS
55# include <stdexcept>
56# define EV_THROW(exception) throw (exception)
57#else
58# define EV_THROW(exception)
59#endif
5 60
6namespace ev { 61namespace ev {
7 62
8 template<class watcher> 63 typedef ev_tstamp tstamp;
9 class callback 64
65 enum {
66 UNDEF = EV_UNDEF,
67 NONE = EV_NONE,
68 READ = EV_READ,
69 WRITE = EV_WRITE,
70 TIMEOUT = EV_TIMEOUT,
71 PERIODIC = EV_PERIODIC,
72 SIGNAL = EV_SIGNAL,
73 CHILD = EV_CHILD,
74 STAT = EV_STAT,
75 IDLE = EV_IDLE,
76 CHECK = EV_CHECK,
77 PREPARE = EV_PREPARE,
78 FORK = EV_FORK,
79 EMBED = EV_EMBED,
80 ERROR = EV_ERROR,
81 };
82
83 enum
84 {
85 AUTO = EVFLAG_AUTO,
86 NOENV = EVFLAG_NOENV,
87 FORKCHECK = EVFLAG_FORKCHECK,
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#if EV_CXX_EXCEPTIONS
109 struct bad_loop : std::runtime_error
110 {
111 bad_loop ()
112 : std::runtime_error ("loop can't be initialized")
10 { 113 {
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 }; 114 }
20 template<class O1, class O2> 115 };
21 struct proxy : proxy_base { 116#endif
22 virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int e) const 117
118#ifdef EV_AX
119# undef EV_AX
120#endif
121
122#ifdef EV_AX_
123# undef EV_AX_
124#endif
125
126#if EV_MULTIPLICITY
127# define EV_AX raw_loop
128# define EV_AX_ raw_loop,
129#else
130# define EV_AX
131# define EV_AX_
132#endif
133
134 struct loop_ref
135 {
136
137 loop_ref (EV_P)
138#if EV_MULTIPLICITY
139 EV_THROW (bad_loop) : EV_AX (EV_A)
140#endif
141 {
142#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
143 if (!EV_A)
144 throw bad_loop ();
145#endif
146 }
147
148 bool operator== (const loop_ref &other) const throw ()
149 {
150#if EV_MULTIPLICITY
151 return this->EV_AX == other.EV_AX;
152#else
153 return true;
154#endif
155 }
156
157 bool operator!= (const loop_ref &other) const throw ()
158 {
159#if EV_MULTIPLICITY
160 return ! (*this == other);
161#else
162 return false;
163#endif
164 }
165
166#if EV_MULTIPLICITY
167 bool operator== (struct ev_loop *other) const throw ()
168 {
169 return this->EV_AX == other;
170 }
171
172 bool operator!= (struct ev_loop *other) const throw ()
173 {
174 return ! (*this == other);
175 }
176
177 bool operator== (const struct ev_loop *other) const throw ()
178 {
179 return this->EV_AX == other;
180 }
181
182 bool operator!= (const struct ev_loop *other) const throw ()
183 {
184 return (*this == other);
185 }
186
187 operator struct ev_loop * () const throw ()
188 {
189 return EV_AX;
190 }
191
192 operator const struct ev_loop * () const throw ()
193 {
194 return EV_AX;
195 }
196
197 bool is_default () const throw ()
198 {
199 return EV_AX == ev_default_loop (0);
200 }
201#endif
202
203 void loop (int flags = 0)
204 {
205 ev_loop (EV_AX_ flags);
206 }
207
208 void unloop (how_t how = ONE) throw ()
209 {
210 ev_unloop (EV_AX_ how);
211 }
212
213 void post_fork () throw ()
214 {
215#if EV_MULTIPLICITY
216 ev_loop_fork (EV_AX);
217#else
218 ev_default_fork ();
219#endif
220 }
221
222 unsigned int count () const throw ()
223 {
224 return ev_loop_count (EV_AX);
225 }
226
227 unsigned int backend () const throw ()
228 {
229 return ev_backend (EV_AX);
230 }
231
232 tstamp now () const throw ()
233 {
234 return ev_now (EV_AX);
235 }
236
237 void ref () throw ()
238 {
239 ev_ref (EV_AX);
240 }
241
242 void unref () throw ()
243 {
244 ev_unref (EV_AX);
245 }
246
247 void set_io_collect_interval (tstamp interval) throw ()
248 {
249 ev_set_io_collect_interval (EV_AX_ interval);
250 }
251
252 void set_timeout_collect_interval (tstamp interval) throw ()
253 {
254 ev_set_timeout_collect_interval (EV_AX_ interval);
255 }
256
257 // function callback
258 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
259 {
260 ev_once (EV_AX_ fd, events, timeout, cb, arg);
261 }
262
263 // method callback
264 template<class K, void (K::*method)(int)>
265 void once (int fd, int events, tstamp timeout, K *object) throw ()
266 {
267 once (fd, events, timeout, method_thunk<K, method>, object);
268 }
269
270 template<class K, void (K::*method)(int)>
271 static void method_thunk (int revents, void* arg)
272 {
273 K *obj = static_cast<K *>(arg);
274 (obj->*method) (revents);
275 }
276
277 // const method callback
278 template<class K, void (K::*method)(int) const>
279 void once (int fd, int events, tstamp timeout, const K *object) throw ()
280 {
281 once (fd, events, timeout, const_method_thunk<K, method>, object);
282 }
283
284 template<class K, void (K::*method)(int) const>
285 static void const_method_thunk (int revents, void* arg)
286 {
287 K *obj = static_cast<K *>(arg);
288 (obj->*method) (revents);
289 }
290
291 // simple method callback
292 template<class K, void (K::*method)()>
293 void once (int fd, int events, tstamp timeout, K *object) throw ()
294 {
295 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
296 }
297
298 template<class K, void (K::*method)()>
299 static void method_noargs_thunk (int revents, void* arg)
300 {
301 K *obj = static_cast<K *>(arg);
302 (obj->*method) ();
303 }
304
305 // simpler function callback
306 template<void (*cb)(int)>
307 void once (int fd, int events, tstamp timeout) throw ()
308 {
309 once (fd, events, timeout, simpler_func_thunk<cb>);
310 }
311
312 template<void (*cb)(int)>
313 static void simpler_func_thunk (int revents, void* arg)
314 {
315 (*cb) (revents);
316 }
317
318 // simplest function callback
319 template<void (*cb)()>
320 void once (int fd, int events, tstamp timeout) throw ()
321 {
322 once (fd, events, timeout, simplest_func_thunk<cb>);
323 }
324
325 template<void (*cb)()>
326 static void simplest_func_thunk (int revents, void* arg)
327 {
328 (*cb) ();
329 }
330
331 void feed_fd_event (int fd, int revents) throw ()
332 {
333 ev_feed_fd_event (EV_AX_ fd, revents);
334 }
335
336 void feed_signal_event (int signum) throw ()
337 {
338 ev_feed_signal_event (EV_AX_ signum);
339 }
340
341#if EV_MULTIPLICITY
342 struct ev_loop* EV_AX;
343#endif
344
345 };
346
347#if EV_MULTIPLICITY
348 struct dynamic_loop: loop_ref
349 {
350
351 dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop)
352 : loop_ref (ev_loop_new (flags))
353 {
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
374 default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop)
375#if EV_MULTIPLICITY
376 : loop_ref (ev_default_loop (flags))
377 {
378 }
379#else
380 {
381 #if EV_CXX_EXCEPTIONS
382 int r =
383 #endif
384 ev_default_loop (flags);
385 #if EV_CXX_EXCEPTIONS
386 if (!r)
387 throw bad_loop ();
388 #endif
389 }
390#endif
391
392 ~default_loop () throw ()
393 {
394 ev_default_destroy ();
395#if EV_MULTIPLICITY
396 EV_AX = 0;
397#endif
398 }
399
400 private:
401
402 default_loop (const default_loop &);
403
404 default_loop & operator= (const default_loop &);
405
406 };
407
408 inline loop_ref get_default_loop () throw ()
409 {
410#if EV_MULTIPLICITY
411 return ev_default_loop (0);
412#else
413 return loop_ref ();
414#endif
415 }
416
417#undef EV_AX
418#undef EV_AX_
419
420#undef EV_PX
421#undef EV_PX_
422#if EV_MULTIPLICITY
423# define EV_PX loop_ref EV_A
424# define EV_PX_ loop_ref EV_A_
425#else
426# define EV_PX
427# define EV_PX_
428#endif
429
430 template<class ev_watcher, class watcher>
431 struct base : ev_watcher
432 {
433 #if EV_MULTIPLICITY
434 EV_PX;
435
436 void set (EV_PX) throw ()
23 { 437 {
24 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(watcher &, int)>(meth))) 438 this->EV_A = EV_A;
25 (w, e);
26 } 439 }
440 #endif
441
442 base (EV_PX) throw ()
443 #if EV_MULTIPLICITY
444 : EV_A (EV_A)
445 #endif
446 {
447 ev_init (this, 0);
27 }; 448 }
28 449
29 proxy_base *prxy; 450 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 } 451 {
40 452 this->data = data;
41 void call (watcher *w, int e) const 453 ev_set_cb (static_cast<ev_watcher *>(this), cb);
42 { 454 }
43 return prxy->call (obj, meth, *w, e); 455
456 // method callback
457 template<class K, void (K::*method)(watcher &w, int)>
458 void set (K *object) throw ()
44 } 459 {
460 set_ (object, method_thunk<K, method>);
461 }
462
463 template<class K, void (K::*method)(watcher &w, int)>
464 static void method_thunk (EV_P_ ev_watcher *w, int revents)
465 {
466 K *obj = static_cast<K *>(w->data);
467 (obj->*method) (*static_cast<watcher *>(w), revents);
468 }
469
470 // const method callback
471 template<class K, void (K::*method)(watcher &w, int) const>
472 void set (const K *object) throw ()
473 {
474 set_ (object, const_method_thunk<K, method>);
475 }
476
477 template<class K, void (K::*method)(watcher &w, int) const>
478 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
479 {
480 K *obj = static_cast<K *>(w->data);
481 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
482 }
483
484 // function callback
485 template<void (*function)(watcher &w, int)>
486 void set (void *data = 0) throw ()
487 {
488 set_ (data, function_thunk<function>);
489 }
490
491 template<void (*function)(watcher &w, int)>
492 static void function_thunk (EV_P_ ev_watcher *w, int revents)
493 {
494 function (*static_cast<watcher *>(w), revents);
495 }
496
497 // simple callback
498 template<class K, void (K::*method)()>
499 void set (K *object) throw ()
500 {
501 set_ (object, method_noargs_thunk<K, method>);
502 }
503
504 template<class K, void (K::*method)()>
505 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
506 {
507 K *obj = static_cast<K *>(w->data);
508 (obj->*method) ();
509 }
510
511 void operator ()(int events = EV_UNDEF)
512 {
513 return ev_cb (static_cast<ev_watcher *>(this))
514 (static_cast<ev_watcher *>(this), events);
515 }
516
517 bool is_active () const throw ()
518 {
519 return ev_is_active (static_cast<const ev_watcher *>(this));
520 }
521
522 bool is_pending () const throw ()
523 {
524 return ev_is_pending (static_cast<const ev_watcher *>(this));
525 }
526
527 void feed_event (int revents) throw ()
528 {
529 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
530 }
531 };
532
533 inline tstamp now () throw ()
534 {
535 return ev_time ();
45 }; 536 }
46 537
47 #include "ev.h" 538 inline void delay (tstamp interval) throw ()
48
49 typedef ev_tstamp tstamp;
50
51 inline ev_tstamp now (EV_P)
52 { 539 {
53 return ev_now (EV_A); 540 ev_sleep (interval);
541 }
542
543 inline int version_major () throw ()
544 {
545 return ev_version_major ();
546 }
547
548 inline int version_minor () throw ()
549 {
550 return ev_version_minor ();
551 }
552
553 inline unsigned int supported_backends () throw ()
554 {
555 return ev_supported_backends ();
556 }
557
558 inline unsigned int recommended_backends () throw ()
559 {
560 return ev_recommended_backends ();
561 }
562
563 inline unsigned int embeddable_backends () throw ()
564 {
565 return ev_embeddable_backends ();
566 }
567
568 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
569 {
570 ev_set_allocator (cb);
571 }
572
573 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
574 {
575 ev_set_syserr_cb (cb);
54 } 576 }
55 577
56 #if EV_MULTIPLICITY 578 #if EV_MULTIPLICITY
57 579 #define EV_CONSTRUCT(cppstem,cstem) \
58 #define EV_CONSTRUCT(cppstem) \ 580 (EV_PX = get_default_loop ()) throw () \
59 EV_P; \ 581 : base<ev_ ## cstem, cppstem> (EV_A) \
60 \
61 void set (EV_P) \
62 { \ 582 { \
63 this->EV_A = EV_A; \ 583 }
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 584 #else
71 585 #define EV_CONSTRUCT(cppstem,cstem) \
72 #define EV_CONSTRUCT(cppstem) \ 586 () throw () \
73 template<class O1, class O2> \ 587 { \
74 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 588 }
75 : callback<cppstem> (object, method)
76
77 #endif 589 #endif
78 590
79 /* using a template here would require quite a bit more lines, 591 /* using a template here would require quite a bit more lines,
80 * so a macro solution was chosen */ 592 * so a macro solution was chosen */
81 #define EV_DECLARE_WATCHER(cppstem,cstem) \ 593 #define EV_BEGIN_WATCHER(cppstem,cstem) \
82 \ 594 \
83 extern "C" void cb_ ## cppstem (struct ev_ ## cstem *w, int revents); \
84 \
85 struct cppstem : ev_ ## cstem, callback<cppstem> \ 595 struct cppstem : base<ev_ ## cstem, cppstem> \
86 { \ 596 { \
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 () \ 597 void start () throw () \
103 { \ 598 { \
104 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 599 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
105 } \ 600 } \
106 \ 601 \
107 void stop () \ 602 void stop () throw () \
108 { \ 603 { \
109 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 604 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
110 } \ 605 } \
111 \ 606 \
112 void operator ()(int events = EV_UNDEF) \ 607 cppstem EV_CONSTRUCT(cppstem,cstem) \
608 \
609 ~cppstem () throw () \
113 { \ 610 { \
114 return call (this, events); \ 611 stop (); \
115 } \ 612 } \
116 \ 613 \
614 using base<ev_ ## cstem, cppstem>::set; \
615 \
117 private: \ 616 private: \
118 \ 617 \
119 cppstem (const cppstem &o) \ 618 cppstem (const cppstem &o); \
120 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ 619 \
121 { /* disabled */ } \ 620 cppstem & operator =(const cppstem &o); \
122 void operator =(const cppstem &o) { /* disabled */ } \
123 \ 621 \
124 public: 622 public:
125 623
624 #define EV_END_WATCHER(cppstem,cstem) \
625 };
626
126 EV_DECLARE_WATCHER (io, io) 627 EV_BEGIN_WATCHER (io, io)
127 void set (int fd, int events) 628 void set (int fd, int events) throw ()
128 { 629 {
129 int active = is_active (); 630 int active = is_active ();
130 if (active) stop (); 631 if (active) stop ();
131 ev_io_set (static_cast<ev_io *>(this), fd, events); 632 ev_io_set (static_cast<ev_io *>(this), fd, events);
132 if (active) start (); 633 if (active) start ();
133 } 634 }
134 635
135 void set (int events) 636 void set (int events) throw ()
136 { 637 {
137 int active = is_active (); 638 int active = is_active ();
138 if (active) stop (); 639 if (active) stop ();
139 ev_io_set (static_cast<ev_io *>(this), fd, events); 640 ev_io_set (static_cast<ev_io *>(this), fd, events);
140 if (active) start (); 641 if (active) start ();
141 } 642 }
142 643
143 void start (int fd, int events) 644 void start (int fd, int events) throw ()
144 { 645 {
145 set (fd, events); 646 set (fd, events);
146 start (); 647 start ();
147 } 648 }
148 }; 649 EV_END_WATCHER (io, io)
149 650
150 EV_DECLARE_WATCHER (timer, timer) 651 EV_BEGIN_WATCHER (timer, timer)
151 void set (ev_tstamp after, ev_tstamp repeat = 0.) 652 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
152 { 653 {
153 int active = is_active (); 654 int active = is_active ();
154 if (active) stop (); 655 if (active) stop ();
155 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 656 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
156 if (active) start (); 657 if (active) start ();
157 } 658 }
158 659
159 void start (ev_tstamp after, ev_tstamp repeat = 0.) 660 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
160 { 661 {
161 set (after, repeat); 662 set (after, repeat);
162 start (); 663 start ();
163 } 664 }
164 665
165 void again () 666 void again () throw ()
166 { 667 {
167 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 668 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
168 } 669 }
169 }; 670 EV_END_WATCHER (timer, timer)
170 671
672 #if EV_PERIODIC_ENABLE
171 EV_DECLARE_WATCHER (periodic, periodic) 673 EV_BEGIN_WATCHER (periodic, periodic)
172 void set (ev_tstamp at, ev_tstamp interval = 0.) 674 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
173 { 675 {
174 int active = is_active (); 676 int active = is_active ();
175 if (active) stop (); 677 if (active) stop ();
176 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 678 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
177 if (active) start (); 679 if (active) start ();
178 } 680 }
179 681
180 void start (ev_tstamp at, ev_tstamp interval = 0.) 682 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
181 { 683 {
182 set (at, interval); 684 set (at, interval);
183 start (); 685 start ();
184 } 686 }
185 687
186 void again () 688 void again () throw ()
187 { 689 {
188 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 690 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
189 } 691 }
190 }; 692 EV_END_WATCHER (periodic, periodic)
693 #endif
191 694
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) 695 EV_BEGIN_WATCHER (sig, signal)
202 void set (int signum) 696 void set (int signum) throw ()
203 { 697 {
204 int active = is_active (); 698 int active = is_active ();
205 if (active) stop (); 699 if (active) stop ();
206 ev_signal_set (static_cast<ev_signal *>(this), signum); 700 ev_signal_set (static_cast<ev_signal *>(this), signum);
207 if (active) start (); 701 if (active) start ();
208 } 702 }
209 703
210 void start (int signum) 704 void start (int signum) throw ()
211 { 705 {
212 set (signum); 706 set (signum);
213 start (); 707 start ();
214 } 708 }
215 }; 709 EV_END_WATCHER (sig, signal)
216 710
217 EV_DECLARE_WATCHER (child, child) 711 EV_BEGIN_WATCHER (child, child)
218 void set (int pid) 712 void set (int pid) throw ()
219 { 713 {
220 int active = is_active (); 714 int active = is_active ();
221 if (active) stop (); 715 if (active) stop ();
222 ev_child_set (static_cast<ev_child *>(this), pid); 716 ev_child_set (static_cast<ev_child *>(this), pid);
223 if (active) start (); 717 if (active) start ();
224 } 718 }
225 719
226 void start (int pid) 720 void start (int pid) throw ()
227 { 721 {
228 set (pid); 722 set (pid);
229 start (); 723 start ();
230 } 724 }
231 }; 725 EV_END_WATCHER (child, child)
232 726
727 #if EV_STAT_ENABLE
728 EV_BEGIN_WATCHER (stat, stat)
729 void set (const char *path, ev_tstamp interval = 0.) throw ()
730 {
731 int active = is_active ();
732 if (active) stop ();
733 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
734 if (active) start ();
735 }
736
737 void start (const char *path, ev_tstamp interval = 0.) throw ()
738 {
739 stop ();
740 set (path, interval);
741 start ();
742 }
743
744 void update () throw ()
745 {
746 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
747 }
748 EV_END_WATCHER (stat, stat)
749 #endif
750
751 EV_BEGIN_WATCHER (idle, idle)
752 void set () throw () { }
753 EV_END_WATCHER (idle, idle)
754
755 EV_BEGIN_WATCHER (prepare, prepare)
756 void set () throw () { }
757 EV_END_WATCHER (prepare, prepare)
758
759 EV_BEGIN_WATCHER (check, check)
760 void set () throw () { }
761 EV_END_WATCHER (check, check)
762
763 #if EV_EMBED_ENABLE
764 EV_BEGIN_WATCHER (embed, embed)
765 void start (struct ev_loop *embedded_loop) throw ()
766 {
767 stop ();
768 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
769 start ();
770 }
771
772 void sweep ()
773 {
774 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
775 }
776 EV_END_WATCHER (embed, embed)
777 #endif
778
779 #if EV_FORK_ENABLE
780 EV_BEGIN_WATCHER (fork, fork)
781 void set () throw () { }
782 EV_END_WATCHER (fork, fork)
783 #endif
784
785 #undef EV_PX
786 #undef EV_PX_
233 #undef EV_CONSTRUCT 787 #undef EV_CONSTRUCT
788 #undef EV_BEGIN_WATCHER
234 #undef EV_DECLARE_WATCHER 789 #undef EV_END_WATCHER
790
235} 791}
236 792
237#endif 793#undef EV_THROW
238 794
795#endif
796

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