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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 1.56 by root, Thu Oct 28 04:55:19 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
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 60
107 enum { 61 enum {
108 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
109 NONE = EV_NONE, 63 NONE = EV_NONE,
110 READ = EV_READ, 64 READ = EV_READ,
111 WRITE = EV_WRITE, 65 WRITE = EV_WRITE,
66#if EV_COMPAT3
112 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
68#endif
69 TIMER = EV_TIMER,
113 PERIODIC = EV_PERIODIC, 70 PERIODIC = EV_PERIODIC,
114 SIGNAL = EV_SIGNAL, 71 SIGNAL = EV_SIGNAL,
115 CHILD = EV_CHILD, 72 CHILD = EV_CHILD,
116 STAT = EV_STAT, 73 STAT = EV_STAT,
117 IDLE = EV_IDLE, 74 IDLE = EV_IDLE,
118 CHECK = EV_CHECK, 75 CHECK = EV_CHECK,
119 PREPARE = EV_PREPARE, 76 PREPARE = EV_PREPARE,
120 FORK = EV_FORK, 77 FORK = EV_FORK,
78 ASYNC = EV_ASYNC,
121 EMBED = EV_EMBED, 79 EMBED = EV_EMBED,
80# undef ERROR // some systems stupidly #define ERROR
122 ERROR = EV_ERROR, 81 ERROR = EV_ERROR
123 }; 82 };
124 83
125 typedef ev_tstamp tstamp; 84 enum
85 {
86 AUTO = EVFLAG_AUTO,
87 NOENV = EVFLAG_NOENV,
88 FORKCHECK = EVFLAG_FORKCHECK,
126 89
127 inline ev_tstamp now (EV_P) 90 SELECT = EVBACKEND_SELECT,
91 POLL = EVBACKEND_POLL,
92 EPOLL = EVBACKEND_EPOLL,
93 KQUEUE = EVBACKEND_KQUEUE,
94 DEVPOLL = EVBACKEND_DEVPOLL,
95 PORT = EVBACKEND_PORT
96 };
97
98 enum
99 {
100#if EV_COMPAT3
101 NONBLOCK = EVLOOP_NONBLOCK,
102 ONESHOT = EVLOOP_ONESHOT,
103#endif
104 NOWAIT = EVRUN_NOWAIT,
105 ONCE = EVRUN_ONCE
106 };
107
108 enum how_t
109 {
110 ONE = EVBREAK_ONE,
111 ALL = EVBREAK_ALL
112 };
113
114 struct bad_loop
115#if EV_USE_STDEXCEPT
116 : std::runtime_error
117#endif
118 {
119#if EV_USE_STDEXCEPT
120 bad_loop ()
121 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
128 { 122 {
123 }
124#endif
125 };
126
127#ifdef EV_AX
128# undef EV_AX
129#endif
130
131#ifdef EV_AX_
132# undef EV_AX_
133#endif
134
135#if EV_MULTIPLICITY
136# define EV_AX raw_loop
137# define EV_AX_ raw_loop,
138#else
139# define EV_AX
140# define EV_AX_
141#endif
142
143 struct loop_ref
144 {
145 loop_ref (EV_P) throw ()
146#if EV_MULTIPLICITY
147 : EV_AX (EV_A)
148#endif
149 {
150 }
151
152 bool operator == (const loop_ref &other) const throw ()
153 {
154#if EV_MULTIPLICITY
155 return EV_AX == other.EV_AX;
156#else
157 return true;
158#endif
159 }
160
161 bool operator != (const loop_ref &other) const throw ()
162 {
163#if EV_MULTIPLICITY
164 return ! (*this == other);
165#else
166 return false;
167#endif
168 }
169
170#if EV_MULTIPLICITY
171 bool operator == (const EV_P) const throw ()
172 {
173 return this->EV_AX == EV_A;
174 }
175
176 bool operator != (const EV_P) const throw ()
177 {
178 return (*this == EV_A);
179 }
180
181 operator struct ev_loop * () const throw ()
182 {
183 return EV_AX;
184 }
185
186 operator const struct ev_loop * () const throw ()
187 {
188 return EV_AX;
189 }
190
191 bool is_default () const throw ()
192 {
193 return EV_AX == ev_default_loop (0);
194 }
195#endif
196
197#if EV_COMPAT3
198 void loop (int flags = 0)
199 {
200 ev_run (EV_AX_ flags);
201 }
202
203 void unloop (how_t how = ONE) throw ()
204 {
205 ev_break (EV_AX_ how);
206 }
207#endif
208
209 void run (int flags = 0)
210 {
211 ev_run (EV_AX_ flags);
212 }
213
214 void break_loop (how_t how = ONE) throw ()
215 {
216 ev_break (EV_AX_ how);
217 }
218
219 void post_fork () throw ()
220 {
221 ev_loop_fork (EV_AX);
222 }
223
224 unsigned int backend () const throw ()
225 {
226 return ev_backend (EV_AX);
227 }
228
229 tstamp now () const throw ()
230 {
129 return ev_now (EV_A); 231 return ev_now (EV_AX);
232 }
233
234 void ref () throw ()
235 {
236 ev_ref (EV_AX);
237 }
238
239 void unref () throw ()
240 {
241 ev_unref (EV_AX);
242 }
243
244#if EV_FEATURE_API
245 unsigned int iteration () const throw ()
246 {
247 return ev_iteration (EV_AX);
248 }
249
250 unsigned int depth () const throw ()
251 {
252 return ev_depth (EV_AX);
253 }
254
255 void set_io_collect_interval (tstamp interval) throw ()
256 {
257 ev_set_io_collect_interval (EV_AX_ interval);
258 }
259
260 void set_timeout_collect_interval (tstamp interval) throw ()
261 {
262 ev_set_timeout_collect_interval (EV_AX_ interval);
263 }
264#endif
265
266 // function callback
267 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
268 {
269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
270 }
271
272 // method callback
273 template<class K, void (K::*method)(int)>
274 void once (int fd, int events, tstamp timeout, K *object) throw ()
275 {
276 once (fd, events, timeout, method_thunk<K, method>, object);
277 }
278
279 // default method == operator ()
280 template<class K>
281 void once (int fd, int events, tstamp timeout, K *object) throw ()
282 {
283 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
284 }
285
286 template<class K, void (K::*method)(int)>
287 static void method_thunk (int revents, void *arg)
288 {
289 static_cast<K *>(arg)->*method
290 (revents);
291 }
292
293 // no-argument method callback
294 template<class K, void (K::*method)()>
295 void once (int fd, int events, tstamp timeout, K *object) throw ()
296 {
297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
298 }
299
300 template<class K, void (K::*method)()>
301 static void method_noargs_thunk (int revents, void *arg)
302 {
303 static_cast<K *>(arg)->*method
304 ();
305 }
306
307 // simpler function callback
308 template<void (*cb)(int)>
309 void once (int fd, int events, tstamp timeout) throw ()
310 {
311 once (fd, events, timeout, simpler_func_thunk<cb>);
312 }
313
314 template<void (*cb)(int)>
315 static void simpler_func_thunk (int revents, void *arg)
316 {
317 (*cb)
318 (revents);
319 }
320
321 // simplest function callback
322 template<void (*cb)()>
323 void once (int fd, int events, tstamp timeout) throw ()
324 {
325 once (fd, events, timeout, simplest_func_thunk<cb>);
326 }
327
328 template<void (*cb)()>
329 static void simplest_func_thunk (int revents, void *arg)
330 {
331 (*cb)
332 ();
333 }
334
335 void feed_fd_event (int fd, int revents) throw ()
336 {
337 ev_feed_fd_event (EV_AX_ fd, revents);
338 }
339
340 void feed_signal_event (int signum) throw ()
341 {
342 ev_feed_signal_event (EV_AX_ signum);
343 }
344
345#if EV_MULTIPLICITY
346 struct ev_loop* EV_AX;
347#endif
348
349 };
350
351#if EV_MULTIPLICITY
352 struct dynamic_loop : loop_ref
353 {
354
355 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
356 : loop_ref (ev_loop_new (flags))
357 {
358 if (!EV_AX)
359 throw bad_loop ();
360 }
361
362 ~dynamic_loop () throw ()
363 {
364 ev_loop_destroy (EV_AX);
365 EV_AX = 0;
366 }
367
368 private:
369
370 dynamic_loop (const dynamic_loop &);
371
372 dynamic_loop & operator= (const dynamic_loop &);
373
374 };
375#endif
376
377 struct default_loop : loop_ref
378 {
379 default_loop (unsigned int flags = AUTO) throw (bad_loop)
380#if EV_MULTIPLICITY
381 : loop_ref (ev_default_loop (flags))
382#endif
383 {
384 if (
385#if EV_MULTIPLICITY
386 !EV_AX
387#else
388 !ev_default_loop (flags)
389#endif
390 )
391 throw bad_loop ();
392 }
393
394 private:
395 default_loop (const default_loop &);
396 default_loop &operator = (const default_loop &);
397 };
398
399 inline loop_ref get_default_loop () throw ()
400 {
401#if EV_MULTIPLICITY
402 return ev_default_loop (0);
403#else
404 return loop_ref ();
405#endif
406 }
407
408#undef EV_AX
409#undef EV_AX_
410
411#undef EV_PX
412#undef EV_PX_
413#if EV_MULTIPLICITY
414# define EV_PX loop_ref EV_A
415# define EV_PX_ loop_ref EV_A_
416#else
417# define EV_PX
418# define EV_PX_
419#endif
420
421 template<class ev_watcher, class watcher>
422 struct base : ev_watcher
423 {
424 #if EV_MULTIPLICITY
425 EV_PX;
426
427 // loop set
428 void set (EV_P) throw ()
429 {
430 this->EV_A = EV_A;
431 }
432 #endif
433
434 base (EV_PX) throw ()
435 #if EV_MULTIPLICITY
436 : EV_A (EV_A)
437 #endif
438 {
439 ev_init (this, 0);
440 }
441
442 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
443 {
444 this->data = (void *)data;
445 ev_set_cb (static_cast<ev_watcher *>(this), cb);
446 }
447
448 // function callback
449 template<void (*function)(watcher &w, int)>
450 void set (void *data = 0) throw ()
451 {
452 set_ (data, function_thunk<function>);
453 }
454
455 template<void (*function)(watcher &w, int)>
456 static void function_thunk (EV_P_ ev_watcher *w, int revents)
457 {
458 function
459 (*static_cast<watcher *>(w), revents);
460 }
461
462 // method callback
463 template<class K, void (K::*method)(watcher &w, int)>
464 void set (K *object) throw ()
465 {
466 set_ (object, method_thunk<K, method>);
467 }
468
469 // default method == operator ()
470 template<class K>
471 void set (K *object) throw ()
472 {
473 set_ (object, method_thunk<K, &K::operator ()>);
474 }
475
476 template<class K, void (K::*method)(watcher &w, int)>
477 static void method_thunk (EV_P_ ev_watcher *w, int revents)
478 {
479 (static_cast<K *>(w->data)->*method)
480 (*static_cast<watcher *>(w), revents);
481 }
482
483 // no-argument callback
484 template<class K, void (K::*method)()>
485 void set (K *object) throw ()
486 {
487 set_ (object, method_noargs_thunk<K, method>);
488 }
489
490 template<class K, void (K::*method)()>
491 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
492 {
493 (static_cast<K *>(w->data)->*method)
494 ();
495 }
496
497 void operator ()(int events = EV_UNDEF)
498 {
499 return
500 ev_cb (static_cast<ev_watcher *>(this))
501 (static_cast<ev_watcher *>(this), events);
502 }
503
504 bool is_active () const throw ()
505 {
506 return ev_is_active (static_cast<const ev_watcher *>(this));
507 }
508
509 bool is_pending () const throw ()
510 {
511 return ev_is_pending (static_cast<const ev_watcher *>(this));
512 }
513
514 void feed_event (int revents) throw ()
515 {
516 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
517 }
518 };
519
520 inline tstamp now () throw ()
521 {
522 return ev_time ();
523 }
524
525 inline void delay (tstamp interval) throw ()
526 {
527 ev_sleep (interval);
528 }
529
530 inline int version_major () throw ()
531 {
532 return ev_version_major ();
533 }
534
535 inline int version_minor () throw ()
536 {
537 return ev_version_minor ();
538 }
539
540 inline unsigned int supported_backends () throw ()
541 {
542 return ev_supported_backends ();
543 }
544
545 inline unsigned int recommended_backends () throw ()
546 {
547 return ev_recommended_backends ();
548 }
549
550 inline unsigned int embeddable_backends () throw ()
551 {
552 return ev_embeddable_backends ();
553 }
554
555 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
556 {
557 ev_set_allocator (cb);
558 }
559
560 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
561 {
562 ev_set_syserr_cb (cb);
130 } 563 }
131 564
132 #if EV_MULTIPLICITY 565 #if EV_MULTIPLICITY
133 #define EV_CONSTRUCT \ 566 #define EV_CONSTRUCT(cppstem,cstem) \
134 (EV_P = EV_DEFAULT) \ 567 (EV_PX = get_default_loop ()) throw () \
568 : base<ev_ ## cstem, cppstem> (EV_A) \
135 { \ 569 { \
136 set (EV_A); \
137 } 570 }
138 #else 571 #else
139 #define EV_CONSTRUCT \ 572 #define EV_CONSTRUCT(cppstem,cstem) \
140 () \ 573 () throw () \
141 { \ 574 { \
142 } 575 }
143 #endif 576 #endif
144 577
145 /* using a template here would require quite a bit more lines, 578 /* using a template here would require quite a bit more lines,
146 * so a macro solution was chosen */ 579 * so a macro solution was chosen */
147 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 580 #define EV_BEGIN_WATCHER(cppstem,cstem) \
148 \ 581 \
149 struct cppstem : base<ev_ ## cstem, cppstem> \ 582 struct cppstem : base<ev_ ## cstem, cppstem> \
150 { \ 583 { \
151 void start () \ 584 void start () throw () \
152 { \ 585 { \
153 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 586 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
154 } \ 587 } \
155 \ 588 \
156 void stop () \ 589 void stop () throw () \
157 { \ 590 { \
158 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 591 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
159 } \ 592 } \
160 \ 593 \
161 cppstem EV_CONSTRUCT \ 594 cppstem EV_CONSTRUCT(cppstem,cstem) \
162 \ 595 \
163 ~cppstem () \ 596 ~cppstem () throw () \
164 { \ 597 { \
165 stop (); \ 598 stop (); \
166 } \ 599 } \
167 \ 600 \
168 using base<ev_ ## cstem, cppstem>::set; \ 601 using base<ev_ ## cstem, cppstem>::set; \
169 \ 602 \
170 private: \ 603 private: \
171 \ 604 \
172 cppstem (const cppstem &o) \ 605 cppstem (const cppstem &o); \
173 { /* disabled */ } \
174 \ 606 \
175 void operator =(const cppstem &o) { /* disabled */ } \ 607 cppstem &operator =(const cppstem &o); \
176 \ 608 \
177 public: 609 public:
178 610
179 #define EV_END_WATCHER(cppstem,cstem) \ 611 #define EV_END_WATCHER(cppstem,cstem) \
180 }; 612 };
181 613
182 EV_BEGIN_WATCHER (io, io) 614 EV_BEGIN_WATCHER (io, io)
183 void set (int fd, int events) 615 void set (int fd, int events) throw ()
184 { 616 {
185 int active = is_active (); 617 int active = is_active ();
186 if (active) stop (); 618 if (active) stop ();
187 ev_io_set (static_cast<ev_io *>(this), fd, events); 619 ev_io_set (static_cast<ev_io *>(this), fd, events);
188 if (active) start (); 620 if (active) start ();
189 } 621 }
190 622
191 void set (int events) 623 void set (int events) throw ()
192 { 624 {
193 int active = is_active (); 625 int active = is_active ();
194 if (active) stop (); 626 if (active) stop ();
195 ev_io_set (static_cast<ev_io *>(this), fd, events); 627 ev_io_set (static_cast<ev_io *>(this), fd, events);
196 if (active) start (); 628 if (active) start ();
197 } 629 }
198 630
199 void start (int fd, int events) 631 void start (int fd, int events) throw ()
200 { 632 {
201 set (fd, events); 633 set (fd, events);
202 start (); 634 start ();
203 } 635 }
204 EV_END_WATCHER (io, io) 636 EV_END_WATCHER (io, io)
205 637
206 EV_BEGIN_WATCHER (timer, timer) 638 EV_BEGIN_WATCHER (timer, timer)
207 void set (ev_tstamp after, ev_tstamp repeat = 0.) 639 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
208 { 640 {
209 int active = is_active (); 641 int active = is_active ();
210 if (active) stop (); 642 if (active) stop ();
211 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 643 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
212 if (active) start (); 644 if (active) start ();
213 } 645 }
214 646
215 void start (ev_tstamp after, ev_tstamp repeat = 0.) 647 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
216 { 648 {
217 set (after, repeat); 649 set (after, repeat);
218 start (); 650 start ();
219 } 651 }
220 652
221 void again () 653 void again () throw ()
222 { 654 {
223 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
656 }
657
658 ev_tstamp remaining ()
659 {
660 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
224 } 661 }
225 EV_END_WATCHER (timer, timer) 662 EV_END_WATCHER (timer, timer)
226 663
227 #if EV_PERIODIC_ENABLE 664 #if EV_PERIODIC_ENABLE
228 EV_BEGIN_WATCHER (periodic, periodic) 665 EV_BEGIN_WATCHER (periodic, periodic)
229 void set (ev_tstamp at, ev_tstamp interval = 0.) 666 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
230 { 667 {
231 int active = is_active (); 668 int active = is_active ();
232 if (active) stop (); 669 if (active) stop ();
233 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 670 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
234 if (active) start (); 671 if (active) start ();
235 } 672 }
236 673
237 void start (ev_tstamp at, ev_tstamp interval = 0.) 674 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
238 { 675 {
239 set (at, interval); 676 set (at, interval);
240 start (); 677 start ();
241 } 678 }
242 679
243 void again () 680 void again () throw ()
244 { 681 {
245 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 682 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
246 } 683 }
247 EV_END_WATCHER (periodic, periodic) 684 EV_END_WATCHER (periodic, periodic)
248 #endif 685 #endif
249 686
687 #if EV_SIGNAL_ENABLE
250 EV_BEGIN_WATCHER (sig, signal) 688 EV_BEGIN_WATCHER (sig, signal)
251 void set (int signum) 689 void set (int signum) throw ()
252 { 690 {
253 int active = is_active (); 691 int active = is_active ();
254 if (active) stop (); 692 if (active) stop ();
255 ev_signal_set (static_cast<ev_signal *>(this), signum); 693 ev_signal_set (static_cast<ev_signal *>(this), signum);
256 if (active) start (); 694 if (active) start ();
257 } 695 }
258 696
259 void start (int signum) 697 void start (int signum) throw ()
260 { 698 {
261 set (signum); 699 set (signum);
262 start (); 700 start ();
263 } 701 }
264 EV_END_WATCHER (sig, signal) 702 EV_END_WATCHER (sig, signal)
703 #endif
265 704
705 #if EV_CHILD_ENABLE
266 EV_BEGIN_WATCHER (child, child) 706 EV_BEGIN_WATCHER (child, child)
267 void set (int pid) 707 void set (int pid, int trace = 0) throw ()
268 { 708 {
269 int active = is_active (); 709 int active = is_active ();
270 if (active) stop (); 710 if (active) stop ();
271 ev_child_set (static_cast<ev_child *>(this), pid); 711 ev_child_set (static_cast<ev_child *>(this), pid, trace);
272 if (active) start (); 712 if (active) start ();
273 } 713 }
274 714
275 void start (int pid) 715 void start (int pid, int trace = 0) throw ()
276 { 716 {
277 set (pid); 717 set (pid, trace);
278 start (); 718 start ();
279 } 719 }
280 EV_END_WATCHER (child, child) 720 EV_END_WATCHER (child, child)
721 #endif
281 722
282 #if EV_STAT_ENABLE 723 #if EV_STAT_ENABLE
283 EV_BEGIN_WATCHER (stat, stat) 724 EV_BEGIN_WATCHER (stat, stat)
284 void set (const char *path, ev_tstamp interval = 0.) 725 void set (const char *path, ev_tstamp interval = 0.) throw ()
285 { 726 {
286 int active = is_active (); 727 int active = is_active ();
287 if (active) stop (); 728 if (active) stop ();
288 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 729 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
289 if (active) start (); 730 if (active) start ();
290 } 731 }
291 732
292 void start (const char *path, ev_tstamp interval = 0.) 733 void start (const char *path, ev_tstamp interval = 0.) throw ()
293 { 734 {
294 stop (); 735 stop ();
295 set (path, interval); 736 set (path, interval);
296 start (); 737 start ();
297 } 738 }
298 739
299 void update () 740 void update () throw ()
300 { 741 {
301 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 742 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
302 } 743 }
303 EV_END_WATCHER (stat, stat) 744 EV_END_WATCHER (stat, stat)
304 #endif 745 #endif
305 746
747 #if EV_IDLE_ENABLE
306 EV_BEGIN_WATCHER (idle, idle) 748 EV_BEGIN_WATCHER (idle, idle)
307 void set () { } 749 void set () throw () { }
308 EV_END_WATCHER (idle, idle) 750 EV_END_WATCHER (idle, idle)
751 #endif
309 752
753 #if EV_PREPARE_ENABLE
310 EV_BEGIN_WATCHER (prepare, prepare) 754 EV_BEGIN_WATCHER (prepare, prepare)
311 void set () { } 755 void set () throw () { }
312 EV_END_WATCHER (prepare, prepare) 756 EV_END_WATCHER (prepare, prepare)
757 #endif
313 758
759 #if EV_CHECK_ENABLE
314 EV_BEGIN_WATCHER (check, check) 760 EV_BEGIN_WATCHER (check, check)
315 void set () { } 761 void set () throw () { }
316 EV_END_WATCHER (check, check) 762 EV_END_WATCHER (check, check)
763 #endif
317 764
318 #if EV_EMBED_ENABLE 765 #if EV_EMBED_ENABLE
319 EV_BEGIN_WATCHER (embed, embed) 766 EV_BEGIN_WATCHER (embed, embed)
320 void start (struct ev_loop *embedded_loop) 767 void set (struct ev_loop *embedded_loop) throw ()
321 { 768 {
322 stop (); 769 int active = is_active ();
770 if (active) stop ();
323 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 771 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
772 if (active) start ();
773 }
774
775 void start (struct ev_loop *embedded_loop) throw ()
776 {
777 set (embedded_loop);
324 start (); 778 start ();
325 } 779 }
326 780
327 void sweep () 781 void sweep ()
328 { 782 {
… …
331 EV_END_WATCHER (embed, embed) 785 EV_END_WATCHER (embed, embed)
332 #endif 786 #endif
333 787
334 #if EV_FORK_ENABLE 788 #if EV_FORK_ENABLE
335 EV_BEGIN_WATCHER (fork, fork) 789 EV_BEGIN_WATCHER (fork, fork)
336 void set () { } 790 void set () throw () { }
337 EV_END_WATCHER (fork, fork) 791 EV_END_WATCHER (fork, fork)
338 #endif 792 #endif
339 793
794 #if EV_ASYNC_ENABLE
795 EV_BEGIN_WATCHER (async, async)
796 void send () throw ()
797 {
798 ev_async_send (EV_A_ static_cast<ev_async *>(this));
799 }
800
801 bool async_pending () throw ()
802 {
803 return ev_async_pending (static_cast<ev_async *>(this));
804 }
805 EV_END_WATCHER (async, async)
806 #endif
807
808 #undef EV_PX
809 #undef EV_PX_
340 #undef EV_CONSTRUCT 810 #undef EV_CONSTRUCT
341 #undef EV_BEGIN_WATCHER 811 #undef EV_BEGIN_WATCHER
342 #undef EV_END_WATCHER 812 #undef EV_END_WATCHER
343} 813}
344 814

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