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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 1.44 by root, Wed Dec 3 15:23:44 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
4#ifdef EV_H 43#ifdef EV_H
5# include EV_H 44# include EV_H
6#else 45#else
7# include <ev.h> 46# include "ev.h"
47#endif
48
49#ifndef EV_USE_STDEXCEPT
50# define EV_USE_STDEXCEPT 1
51#endif
52
53#if EV_USE_STDEXCEPT
54# include <stdexcept>
8#endif 55#endif
9 56
10namespace ev { 57namespace ev {
11 58
12 template<class ev_watcher, class watcher> 59 typedef ev_tstamp tstamp;
13 struct base : ev_watcher
14 {
15 #if EV_MULTIPLICITY
16 EV_P;
17 60
18 void set (EV_P)
19 {
20 this->EV_A = EV_A;
21 }
22 #endif
23
24 base ()
25 {
26 ev_init (this, 0);
27 }
28
29 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
30 {
31 this->data = data;
32 ev_set_cb (static_cast<ev_watcher *>(this), cb);
33 }
34
35 // method callback
36 template<class K, void (K::*method)(watcher &w, int)>
37 void set (K *object)
38 {
39 set_ (object, method_thunk<K, method>);
40 }
41
42 template<class K, void (K::*method)(watcher &w, int)>
43 static void method_thunk (EV_P_ ev_watcher *w, int revents)
44 {
45 K *obj = static_cast<K *>(w->data);
46 (obj->*method) (*static_cast<watcher *>(w), revents);
47 }
48
49 // const method callback
50 template<class K, void (K::*method)(watcher &w, int) const>
51 void set (const K *object)
52 {
53 set_ (object, const_method_thunk<K, method>);
54 }
55
56 template<class K, void (K::*method)(watcher &w, int) const>
57 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
58 {
59 K *obj = static_cast<K *>(w->data);
60 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
61 }
62
63 // function callback
64 template<void (*function)(watcher &w, int)>
65 void set (void *data = 0)
66 {
67 set_ (data, function_thunk<function>);
68 }
69
70 template<void (*function)(watcher &w, int)>
71 static void function_thunk (EV_P_ ev_watcher *w, int revents)
72 {
73 function (*static_cast<watcher *>(w), revents);
74 }
75
76 // simple callback
77 template<class K, void (K::*method)()>
78 void set (K *object)
79 {
80 set_ (object, method_noargs_thunk<K, method>);
81 }
82
83 template<class K, void (K::*method)()>
84 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
85 {
86 K *obj = static_cast<K *>(w->data);
87 (obj->*method) ();
88 }
89
90 void operator ()(int events = EV_UNDEF)
91 {
92 return ev_cb (static_cast<ev_watcher *>(this))
93 (static_cast<ev_watcher *>(this), events);
94 }
95
96 bool is_active () const
97 {
98 return ev_is_active (static_cast<const ev_watcher *>(this));
99 }
100
101 bool is_pending () const
102 {
103 return ev_is_pending (static_cast<const ev_watcher *>(this));
104 }
105 };
106
107 enum { 61 enum
62 {
108 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
109 NONE = EV_NONE, 64 NONE = EV_NONE,
110 READ = EV_READ, 65 READ = EV_READ,
111 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
112 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
… …
116 STAT = EV_STAT, 71 STAT = EV_STAT,
117 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
118 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
119 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
120 FORK = EV_FORK, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
121 EMBED = EV_EMBED, 77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
122 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
123 }; 80 };
124 81
125 typedef ev_tstamp tstamp; 82 enum
83 {
84 AUTO = EVFLAG_AUTO,
85 NOENV = EVFLAG_NOENV,
86 FORKCHECK = EVFLAG_FORKCHECK,
126 87
127 inline ev_tstamp now (EV_P) 88 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT
94 };
95
96 enum
97 {
98 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT
100 };
101
102 enum how_t
103 {
104 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL
106 };
107
108 struct bad_loop
109#if EV_USE_STDEXCEPT
110 : std::runtime_error
111#endif
112 {
113#if EV_USE_STDEXCEPT
114 bad_loop ()
115 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
128 { 116 {
117 }
118#endif
119 };
120
121#ifdef EV_AX
122# undef EV_AX
123#endif
124
125#ifdef EV_AX_
126# undef EV_AX_
127#endif
128
129#if EV_MULTIPLICITY
130# define EV_AX raw_loop
131# define EV_AX_ raw_loop,
132#else
133# define EV_AX
134# define EV_AX_
135#endif
136
137 struct loop_ref
138 {
139 loop_ref (EV_P) throw ()
140#if EV_MULTIPLICITY
141 : EV_AX (EV_A)
142#endif
143 {
144 }
145
146 bool operator == (const loop_ref &other) const throw ()
147 {
148#if EV_MULTIPLICITY
149 return EV_AX == other.EV_AX;
150#else
151 return true;
152#endif
153 }
154
155 bool operator != (const loop_ref &other) const throw ()
156 {
157#if EV_MULTIPLICITY
158 return ! (*this == other);
159#else
160 return false;
161#endif
162 }
163
164#if EV_MULTIPLICITY
165 bool operator == (const EV_P) const throw ()
166 {
167 return this->EV_AX == EV_A;
168 }
169
170 bool operator != (const EV_P) const throw ()
171 {
172 return (*this == EV_A);
173 }
174
175 operator struct ev_loop * () const throw ()
176 {
177 return EV_AX;
178 }
179
180 operator const struct ev_loop * () const throw ()
181 {
182 return EV_AX;
183 }
184
185 bool is_default () const throw ()
186 {
187 return EV_AX == ev_default_loop (0);
188 }
189#endif
190
191 void loop (int flags = 0)
192 {
193 ev_loop (EV_AX_ flags);
194 }
195
196 void unloop (how_t how = ONE) throw ()
197 {
198 ev_unloop (EV_AX_ how);
199 }
200
201 void post_fork () throw ()
202 {
203#if EV_MULTIPLICITY
204 ev_loop_fork (EV_AX);
205#else
206 ev_default_fork ();
207#endif
208 }
209
210 unsigned int count () const throw ()
211 {
212 return ev_loop_count (EV_AX);
213 }
214
215 unsigned int backend () const throw ()
216 {
217 return ev_backend (EV_AX);
218 }
219
220 tstamp now () const throw ()
221 {
129 return ev_now (EV_A); 222 return ev_now (EV_AX);
223 }
224
225 void ref () throw ()
226 {
227 ev_ref (EV_AX);
228 }
229
230 void unref () throw ()
231 {
232 ev_unref (EV_AX);
233 }
234
235 void set_io_collect_interval (tstamp interval) throw ()
236 {
237 ev_set_io_collect_interval (EV_AX_ interval);
238 }
239
240 void set_timeout_collect_interval (tstamp interval) throw ()
241 {
242 ev_set_timeout_collect_interval (EV_AX_ interval);
243 }
244
245 // function callback
246 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
247 {
248 ev_once (EV_AX_ fd, events, timeout, cb, arg);
249 }
250
251 // method callback
252 template<class K, void (K::*method)(int)>
253 void once (int fd, int events, tstamp timeout, K *object) throw ()
254 {
255 once (fd, events, timeout, method_thunk<K, method>, object);
256 }
257
258 // default method == operator ()
259 template<class K>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
263 }
264
265 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void *arg)
267 {
268 static_cast<K *>(arg)->*method
269 (revents);
270 }
271
272 // no-argument method callback
273 template<class K, void (K::*method)()>
274 void once (int fd, int events, tstamp timeout, K *object) throw ()
275 {
276 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
277 }
278
279 template<class K, void (K::*method)()>
280 static void method_noargs_thunk (int revents, void *arg)
281 {
282 static_cast<K *>(arg)->*method
283 ();
284 }
285
286 // simpler function callback
287 template<void (*cb)(int)>
288 void once (int fd, int events, tstamp timeout) throw ()
289 {
290 once (fd, events, timeout, simpler_func_thunk<cb>);
291 }
292
293 template<void (*cb)(int)>
294 static void simpler_func_thunk (int revents, void *arg)
295 {
296 (*cb)
297 (revents);
298 }
299
300 // simplest function callback
301 template<void (*cb)()>
302 void once (int fd, int events, tstamp timeout) throw ()
303 {
304 once (fd, events, timeout, simplest_func_thunk<cb>);
305 }
306
307 template<void (*cb)()>
308 static void simplest_func_thunk (int revents, void *arg)
309 {
310 (*cb)
311 ();
312 }
313
314 void feed_fd_event (int fd, int revents) throw ()
315 {
316 ev_feed_fd_event (EV_AX_ fd, revents);
317 }
318
319 void feed_signal_event (int signum) throw ()
320 {
321 ev_feed_signal_event (EV_AX_ signum);
322 }
323
324#if EV_MULTIPLICITY
325 struct ev_loop* EV_AX;
326#endif
327
328 };
329
330#if EV_MULTIPLICITY
331 struct dynamic_loop : loop_ref
332 {
333
334 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
335 : loop_ref (ev_loop_new (flags))
336 {
337 if (!EV_AX)
338 throw bad_loop ();
339 }
340
341 ~dynamic_loop () throw ()
342 {
343 ev_loop_destroy (EV_AX);
344 EV_AX = 0;
345 }
346
347 private:
348
349 dynamic_loop (const dynamic_loop &);
350
351 dynamic_loop & operator= (const dynamic_loop &);
352
353 };
354#endif
355
356 struct default_loop : loop_ref
357 {
358 default_loop (unsigned int flags = AUTO) throw (bad_loop)
359#if EV_MULTIPLICITY
360 : loop_ref (ev_default_loop (flags))
361#endif
362 {
363 if (
364#if EV_MULTIPLICITY
365 !EV_AX
366#else
367 !ev_default_loop (flags)
368#endif
369 )
370 throw bad_loop ();
371 }
372
373 ~default_loop () throw ()
374 {
375 ev_default_destroy ();
376 }
377
378 private:
379 default_loop (const default_loop &);
380 default_loop &operator = (const default_loop &);
381 };
382
383 inline loop_ref get_default_loop () throw ()
384 {
385#if EV_MULTIPLICITY
386 return ev_default_loop (0);
387#else
388 return loop_ref ();
389#endif
390 }
391
392#undef EV_AX
393#undef EV_AX_
394
395#undef EV_PX
396#undef EV_PX_
397#if EV_MULTIPLICITY
398# define EV_PX loop_ref EV_A
399# define EV_PX_ loop_ref EV_A_
400#else
401# define EV_PX
402# define EV_PX_
403#endif
404
405 template<class ev_watcher, class watcher>
406 struct base : ev_watcher
407 {
408 #if EV_MULTIPLICITY
409 EV_PX;
410
411 void set (EV_P) throw ()
412 {
413 this->EV_A = EV_A;
414 }
415 #endif
416
417 base (EV_PX) throw ()
418 #if EV_MULTIPLICITY
419 : EV_A (EV_A)
420 #endif
421 {
422 ev_init (this, 0);
423 }
424
425 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
426 {
427 this->data = (void *)data;
428 ev_set_cb (static_cast<ev_watcher *>(this), cb);
429 }
430
431 // function callback
432 template<void (*function)(watcher &w, int)>
433 void set (void *data = 0) throw ()
434 {
435 set_ (data, function_thunk<function>);
436 }
437
438 template<void (*function)(watcher &w, int)>
439 static void function_thunk (EV_P_ ev_watcher *w, int revents)
440 {
441 function
442 (*static_cast<watcher *>(w), revents);
443 }
444
445 // method callback
446 template<class K, void (K::*method)(watcher &w, int)>
447 void set (K *object) throw ()
448 {
449 set_ (object, method_thunk<K, method>);
450 }
451
452 // default method == operator ()
453 template<class K>
454 void set (K *object) throw ()
455 {
456 set_ (object, method_thunk<K, &K::operator ()>);
457 }
458
459 template<class K, void (K::*method)(watcher &w, int)>
460 static void method_thunk (EV_P_ ev_watcher *w, int revents)
461 {
462 (static_cast<K *>(w->data)->*method)
463 (*static_cast<watcher *>(w), revents);
464 }
465
466 // no-argument callback
467 template<class K, void (K::*method)()>
468 void set (K *object) throw ()
469 {
470 set_ (object, method_noargs_thunk<K, method>);
471 }
472
473 template<class K, void (K::*method)()>
474 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
475 {
476 static_cast<K *>(w->data)->*method
477 ();
478 }
479
480 void operator ()(int events = EV_UNDEF)
481 {
482 return
483 ev_cb (static_cast<ev_watcher *>(this))
484 (static_cast<ev_watcher *>(this), events);
485 }
486
487 bool is_active () const throw ()
488 {
489 return ev_is_active (static_cast<const ev_watcher *>(this));
490 }
491
492 bool is_pending () const throw ()
493 {
494 return ev_is_pending (static_cast<const ev_watcher *>(this));
495 }
496
497 void feed_event (int revents) throw ()
498 {
499 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
500 }
501 };
502
503 inline tstamp now () throw ()
504 {
505 return ev_time ();
506 }
507
508 inline void delay (tstamp interval) throw ()
509 {
510 ev_sleep (interval);
511 }
512
513 inline int version_major () throw ()
514 {
515 return ev_version_major ();
516 }
517
518 inline int version_minor () throw ()
519 {
520 return ev_version_minor ();
521 }
522
523 inline unsigned int supported_backends () throw ()
524 {
525 return ev_supported_backends ();
526 }
527
528 inline unsigned int recommended_backends () throw ()
529 {
530 return ev_recommended_backends ();
531 }
532
533 inline unsigned int embeddable_backends () throw ()
534 {
535 return ev_embeddable_backends ();
536 }
537
538 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
539 {
540 ev_set_allocator (cb);
541 }
542
543 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
544 {
545 ev_set_syserr_cb (cb);
130 } 546 }
131 547
132 #if EV_MULTIPLICITY 548 #if EV_MULTIPLICITY
133 #define EV_CONSTRUCT \ 549 #define EV_CONSTRUCT(cppstem,cstem) \
134 (EV_P = EV_DEFAULT) \ 550 (EV_PX = get_default_loop ()) throw () \
551 : base<ev_ ## cstem, cppstem> (EV_A) \
135 { \ 552 { \
136 set (EV_A); \
137 } 553 }
138 #else 554 #else
139 #define EV_CONSTRUCT \ 555 #define EV_CONSTRUCT(cppstem,cstem) \
140 () \ 556 () throw () \
141 { \ 557 { \
142 } 558 }
143 #endif 559 #endif
144 560
145 /* using a template here would require quite a bit more lines, 561 /* using a template here would require quite a bit more lines,
146 * so a macro solution was chosen */ 562 * so a macro solution was chosen */
147 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 563 #define EV_BEGIN_WATCHER(cppstem,cstem) \
148 \ 564 \
149 struct cppstem : base<ev_ ## cstem, cppstem> \ 565 struct cppstem : base<ev_ ## cstem, cppstem> \
150 { \ 566 { \
151 void start () \ 567 void start () throw () \
152 { \ 568 { \
153 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 569 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
154 } \ 570 } \
155 \ 571 \
156 void stop () \ 572 void stop () throw () \
157 { \ 573 { \
158 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 574 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
159 } \ 575 } \
160 \ 576 \
161 cppstem EV_CONSTRUCT \ 577 cppstem EV_CONSTRUCT(cppstem,cstem) \
162 \ 578 \
163 ~cppstem () \ 579 ~cppstem () throw () \
164 { \ 580 { \
165 stop (); \ 581 stop (); \
166 } \ 582 } \
167 \ 583 \
168 using base<ev_ ## cstem, cppstem>::set; \ 584 using base<ev_ ## cstem, cppstem>::set; \
169 \ 585 \
170 private: \ 586 private: \
171 \ 587 \
172 cppstem (const cppstem &o) \ 588 cppstem (const cppstem &o); \
173 { /* disabled */ } \
174 \ 589 \
175 void operator =(const cppstem &o) { /* disabled */ } \ 590 cppstem &operator =(const cppstem &o); \
176 \ 591 \
177 public: 592 public:
178 593
179 #define EV_END_WATCHER(cppstem,cstem) \ 594 #define EV_END_WATCHER(cppstem,cstem) \
180 }; 595 };
181 596
182 EV_BEGIN_WATCHER (io, io) 597 EV_BEGIN_WATCHER (io, io)
183 void set (int fd, int events) 598 void set (int fd, int events) throw ()
184 { 599 {
185 int active = is_active (); 600 int active = is_active ();
186 if (active) stop (); 601 if (active) stop ();
187 ev_io_set (static_cast<ev_io *>(this), fd, events); 602 ev_io_set (static_cast<ev_io *>(this), fd, events);
188 if (active) start (); 603 if (active) start ();
189 } 604 }
190 605
191 void set (int events) 606 void set (int events) throw ()
192 { 607 {
193 int active = is_active (); 608 int active = is_active ();
194 if (active) stop (); 609 if (active) stop ();
195 ev_io_set (static_cast<ev_io *>(this), fd, events); 610 ev_io_set (static_cast<ev_io *>(this), fd, events);
196 if (active) start (); 611 if (active) start ();
197 } 612 }
198 613
199 void start (int fd, int events) 614 void start (int fd, int events) throw ()
200 { 615 {
201 set (fd, events); 616 set (fd, events);
202 start (); 617 start ();
203 } 618 }
204 EV_END_WATCHER (io, io) 619 EV_END_WATCHER (io, io)
205 620
206 EV_BEGIN_WATCHER (timer, timer) 621 EV_BEGIN_WATCHER (timer, timer)
207 void set (ev_tstamp after, ev_tstamp repeat = 0.) 622 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
208 { 623 {
209 int active = is_active (); 624 int active = is_active ();
210 if (active) stop (); 625 if (active) stop ();
211 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 626 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
212 if (active) start (); 627 if (active) start ();
213 } 628 }
214 629
215 void start (ev_tstamp after, ev_tstamp repeat = 0.) 630 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
216 { 631 {
217 set (after, repeat); 632 set (after, repeat);
218 start (); 633 start ();
219 } 634 }
220 635
221 void again () 636 void again () throw ()
222 { 637 {
223 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 638 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
224 } 639 }
225 EV_END_WATCHER (timer, timer) 640 EV_END_WATCHER (timer, timer)
226 641
227 #if EV_PERIODIC_ENABLE 642 #if EV_PERIODIC_ENABLE
228 EV_BEGIN_WATCHER (periodic, periodic) 643 EV_BEGIN_WATCHER (periodic, periodic)
229 void set (ev_tstamp at, ev_tstamp interval = 0.) 644 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
230 { 645 {
231 int active = is_active (); 646 int active = is_active ();
232 if (active) stop (); 647 if (active) stop ();
233 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 648 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
234 if (active) start (); 649 if (active) start ();
235 } 650 }
236 651
237 void start (ev_tstamp at, ev_tstamp interval = 0.) 652 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
238 { 653 {
239 set (at, interval); 654 set (at, interval);
240 start (); 655 start ();
241 } 656 }
242 657
243 void again () 658 void again () throw ()
244 { 659 {
245 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 660 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
246 } 661 }
247 EV_END_WATCHER (periodic, periodic) 662 EV_END_WATCHER (periodic, periodic)
248 #endif 663 #endif
249 664
250 EV_BEGIN_WATCHER (sig, signal) 665 EV_BEGIN_WATCHER (sig, signal)
251 void set (int signum) 666 void set (int signum) throw ()
252 { 667 {
253 int active = is_active (); 668 int active = is_active ();
254 if (active) stop (); 669 if (active) stop ();
255 ev_signal_set (static_cast<ev_signal *>(this), signum); 670 ev_signal_set (static_cast<ev_signal *>(this), signum);
256 if (active) start (); 671 if (active) start ();
257 } 672 }
258 673
259 void start (int signum) 674 void start (int signum) throw ()
260 { 675 {
261 set (signum); 676 set (signum);
262 start (); 677 start ();
263 } 678 }
264 EV_END_WATCHER (sig, signal) 679 EV_END_WATCHER (sig, signal)
265 680
266 EV_BEGIN_WATCHER (child, child) 681 EV_BEGIN_WATCHER (child, child)
267 void set (int pid) 682 void set (int pid, int trace = 0) throw ()
268 { 683 {
269 int active = is_active (); 684 int active = is_active ();
270 if (active) stop (); 685 if (active) stop ();
271 ev_child_set (static_cast<ev_child *>(this), pid); 686 ev_child_set (static_cast<ev_child *>(this), pid, trace);
272 if (active) start (); 687 if (active) start ();
273 } 688 }
274 689
275 void start (int pid) 690 void start (int pid, int trace = 0) throw ()
276 { 691 {
277 set (pid); 692 set (pid, trace);
278 start (); 693 start ();
279 } 694 }
280 EV_END_WATCHER (child, child) 695 EV_END_WATCHER (child, child)
281 696
282 #if EV_STAT_ENABLE 697 #if EV_STAT_ENABLE
283 EV_BEGIN_WATCHER (stat, stat) 698 EV_BEGIN_WATCHER (stat, stat)
284 void set (const char *path, ev_tstamp interval = 0.) 699 void set (const char *path, ev_tstamp interval = 0.) throw ()
285 { 700 {
286 int active = is_active (); 701 int active = is_active ();
287 if (active) stop (); 702 if (active) stop ();
288 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 703 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
289 if (active) start (); 704 if (active) start ();
290 } 705 }
291 706
292 void start (const char *path, ev_tstamp interval = 0.) 707 void start (const char *path, ev_tstamp interval = 0.) throw ()
293 { 708 {
294 stop (); 709 stop ();
295 set (path, interval); 710 set (path, interval);
296 start (); 711 start ();
297 } 712 }
298 713
299 void update () 714 void update () throw ()
300 { 715 {
301 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 716 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
302 } 717 }
303 EV_END_WATCHER (stat, stat) 718 EV_END_WATCHER (stat, stat)
304 #endif 719 #endif
305 720
306 EV_BEGIN_WATCHER (idle, idle) 721 EV_BEGIN_WATCHER (idle, idle)
307 void set () { } 722 void set () throw () { }
308 EV_END_WATCHER (idle, idle) 723 EV_END_WATCHER (idle, idle)
309 724
310 EV_BEGIN_WATCHER (prepare, prepare) 725 EV_BEGIN_WATCHER (prepare, prepare)
311 void set () { } 726 void set () throw () { }
312 EV_END_WATCHER (prepare, prepare) 727 EV_END_WATCHER (prepare, prepare)
313 728
314 EV_BEGIN_WATCHER (check, check) 729 EV_BEGIN_WATCHER (check, check)
315 void set () { } 730 void set () throw () { }
316 EV_END_WATCHER (check, check) 731 EV_END_WATCHER (check, check)
317 732
318 #if EV_EMBED_ENABLE 733 #if EV_EMBED_ENABLE
319 EV_BEGIN_WATCHER (embed, embed) 734 EV_BEGIN_WATCHER (embed, embed)
320 void start (struct ev_loop *embedded_loop) 735 void set (struct ev_loop *embedded_loop) throw ()
321 { 736 {
322 stop (); 737 int active = is_active ();
738 if (active) stop ();
323 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 739 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
740 if (active) start ();
741 }
742
743 void start (struct ev_loop *embedded_loop) throw ()
744 {
745 set (embedded_loop);
324 start (); 746 start ();
325 } 747 }
326 748
327 void sweep () 749 void sweep ()
328 { 750 {
… …
331 EV_END_WATCHER (embed, embed) 753 EV_END_WATCHER (embed, embed)
332 #endif 754 #endif
333 755
334 #if EV_FORK_ENABLE 756 #if EV_FORK_ENABLE
335 EV_BEGIN_WATCHER (fork, fork) 757 EV_BEGIN_WATCHER (fork, fork)
336 void set () { } 758 void set () throw () { }
337 EV_END_WATCHER (fork, fork) 759 EV_END_WATCHER (fork, fork)
338 #endif 760 #endif
339 761
762 #if EV_ASYNC_ENABLE
763 EV_BEGIN_WATCHER (async, async)
764 void set () throw () { }
765
766 void send () throw ()
767 {
768 ev_async_send (EV_A_ static_cast<ev_async *>(this));
769 }
770
771 bool async_pending () throw ()
772 {
773 return ev_async_pending (static_cast<ev_async *>(this));
774 }
775 EV_END_WATCHER (async, async)
776 #endif
777
778 #undef EV_PX
779 #undef EV_PX_
340 #undef EV_CONSTRUCT 780 #undef EV_CONSTRUCT
341 #undef EV_BEGIN_WATCHER 781 #undef EV_BEGIN_WATCHER
342 #undef EV_END_WATCHER 782 #undef EV_END_WATCHER
343} 783}
344 784

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