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Comparing libev/ev++.h (file contents):
Revision 1.9 by root, Tue Nov 27 10:59:10 2007 UTC vs.
Revision 1.39 by root, Tue Apr 15 04:34:07 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
43#ifdef EV_H
44# include EV_H
45#else
4#include "ev.h" 46# include "ev.h"
47#endif
48
49#ifndef EV_USE_STDEXCEPT
50# define EV_USE_STDEXCEPT 1
51#endif
52
53#if EV_USE_STDEXCEPT
54# include <stdexcept>
55#endif
5 56
6namespace ev { 57namespace ev {
7 58
8 template<class watcher> 59 typedef ev_tstamp tstamp;
9 class callback
10 {
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 };
20 template<class O1, class O2>
21 struct proxy : proxy_base {
22 virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int e) const
23 {
24 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(watcher &, int)>(meth)))
25 (w, e);
26 }
27 };
28
29 proxy_base *prxy;
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 }
40
41 void call (watcher *w, int e) const
42 {
43 return prxy->call (obj, meth, *w, e);
44 }
45 };
46 60
47 enum { 61 enum {
48 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
49 NONE = EV_NONE, 63 NONE = EV_NONE,
50 READ = EV_READ, 64 READ = EV_READ,
… …
56 STAT = EV_STAT, 70 STAT = EV_STAT,
57 IDLE = EV_IDLE, 71 IDLE = EV_IDLE,
58 CHECK = EV_CHECK, 72 CHECK = EV_CHECK,
59 PREPARE = EV_PREPARE, 73 PREPARE = EV_PREPARE,
60 FORK = EV_FORK, 74 FORK = EV_FORK,
75 ASYNC = EV_ASYNC,
61 EMBED = EV_EMBED, 76 EMBED = EV_EMBED,
62 ERROR = EV_ERROR, 77 ERROR = EV_ERROR,
63 }; 78 };
64 79
65 typedef ev_tstamp tstamp; 80 enum
81 {
82 AUTO = EVFLAG_AUTO,
83 NOENV = EVFLAG_NOENV,
84 FORKCHECK = EVFLAG_FORKCHECK,
85 SELECT = EVBACKEND_SELECT,
86 POLL = EVBACKEND_POLL,
87 EPOLL = EVBACKEND_EPOLL,
88 KQUEUE = EVBACKEND_KQUEUE,
89 DEVPOLL = EVBACKEND_DEVPOLL,
90 PORT = EVBACKEND_PORT
91 };
66 92
67 inline ev_tstamp now (EV_P) 93 enum
94 {
95 NONBLOCK = EVLOOP_NONBLOCK,
96 ONESHOT = EVLOOP_ONESHOT
97 };
98
99 enum how_t
100 {
101 ONE = EVUNLOOP_ONE,
102 ALL = EVUNLOOP_ALL
103 };
104
105 struct bad_loop
106#if EV_USE_STDEXCEPT
107 : std::runtime_error
108#endif
109 {
110#if EV_USE_STDEXCEPT
111 bad_loop ()
112 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
68 { 113 {
114 }
115#endif
116 };
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 loop_ref (EV_P) throw ()
137#if EV_MULTIPLICITY
138 : EV_AX (EV_A)
139#endif
140 {
141 }
142
143 bool operator == (const loop_ref &other) const throw ()
144 {
145#if EV_MULTIPLICITY
146 return EV_AX == other.EV_AX;
147#else
148 return true;
149#endif
150 }
151
152 bool operator != (const loop_ref &other) const throw ()
153 {
154#if EV_MULTIPLICITY
155 return ! (*this == other);
156#else
157 return false;
158#endif
159 }
160
161#if EV_MULTIPLICITY
162 bool operator == (struct ev_loop *other) const throw ()
163 {
164 return this->EV_AX == other;
165 }
166
167 bool operator != (struct ev_loop *other) const throw ()
168 {
169 return ! (*this == other);
170 }
171
172 bool operator == (const struct ev_loop *other) const throw ()
173 {
174 return this->EV_AX == other;
175 }
176
177 bool operator != (const struct ev_loop *other) const throw ()
178 {
179 return (*this == other);
180 }
181
182 operator struct ev_loop * () const throw ()
183 {
184 return EV_AX;
185 }
186
187 operator const struct ev_loop * () const throw ()
188 {
189 return EV_AX;
190 }
191
192 bool is_default () const throw ()
193 {
194 return EV_AX == ev_default_loop (0);
195 }
196#endif
197
198 void loop (int flags = 0)
199 {
200 ev_loop (EV_AX_ flags);
201 }
202
203 void unloop (how_t how = ONE) throw ()
204 {
205 ev_unloop (EV_AX_ how);
206 }
207
208 void post_fork () throw ()
209 {
210#if EV_MULTIPLICITY
211 ev_loop_fork (EV_AX);
212#else
213 ev_default_fork ();
214#endif
215 }
216
217 unsigned int count () const throw ()
218 {
219 return ev_loop_count (EV_AX);
220 }
221
222 unsigned int backend () const throw ()
223 {
224 return ev_backend (EV_AX);
225 }
226
227 tstamp now () const throw ()
228 {
69 return ev_now (EV_A); 229 return ev_now (EV_AX);
230 }
231
232 void ref () throw ()
233 {
234 ev_ref (EV_AX);
235 }
236
237 void unref () throw ()
238 {
239 ev_unref (EV_AX);
240 }
241
242 void set_io_collect_interval (tstamp interval) throw ()
243 {
244 ev_set_io_collect_interval (EV_AX_ interval);
245 }
246
247 void set_timeout_collect_interval (tstamp interval) throw ()
248 {
249 ev_set_timeout_collect_interval (EV_AX_ interval);
250 }
251
252 // function callback
253 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
254 {
255 ev_once (EV_AX_ fd, events, timeout, cb, arg);
256 }
257
258 // method callback
259 template<class K, void (K::*method)(int)>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, method>, object);
263 }
264
265 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void* arg)
267 {
268 K *obj = static_cast<K *>(arg);
269 (obj->*method) (revents);
270 }
271
272 // const method callback
273 template<class K, void (K::*method)(int) const>
274 void once (int fd, int events, tstamp timeout, const K *object) throw ()
275 {
276 once (fd, events, timeout, const_method_thunk<K, method>, object);
277 }
278
279 template<class K, void (K::*method)(int) const>
280 static void const_method_thunk (int revents, void* arg)
281 {
282 K *obj = static_cast<K *>(arg);
283 (obj->*method) (revents);
284 }
285
286 // simple method callback
287 template<class K, void (K::*method)()>
288 void once (int fd, int events, tstamp timeout, K *object) throw ()
289 {
290 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
291 }
292
293 template<class K, void (K::*method)()>
294 static void method_noargs_thunk (int revents, void* arg)
295 {
296 K *obj = static_cast<K *>(arg);
297 (obj->*method) ();
298 }
299
300 // simpler function callback
301 template<void (*cb)(int)>
302 void once (int fd, int events, tstamp timeout) throw ()
303 {
304 once (fd, events, timeout, simpler_func_thunk<cb>);
305 }
306
307 template<void (*cb)(int)>
308 static void simpler_func_thunk (int revents, void* arg)
309 {
310 (*cb) (revents);
311 }
312
313 // simplest function callback
314 template<void (*cb)()>
315 void once (int fd, int events, tstamp timeout) throw ()
316 {
317 once (fd, events, timeout, simplest_func_thunk<cb>);
318 }
319
320 template<void (*cb)()>
321 static void simplest_func_thunk (int revents, void* arg)
322 {
323 (*cb) ();
324 }
325
326 void feed_fd_event (int fd, int revents) throw ()
327 {
328 ev_feed_fd_event (EV_AX_ fd, revents);
329 }
330
331 void feed_signal_event (int signum) throw ()
332 {
333 ev_feed_signal_event (EV_AX_ signum);
334 }
335
336#if EV_MULTIPLICITY
337 struct ev_loop* EV_AX;
338#endif
339
340 };
341
342#if EV_MULTIPLICITY
343 struct dynamic_loop : loop_ref
344 {
345
346 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
347 : loop_ref (ev_loop_new (flags))
348 {
349 if (!EV_AX)
350 throw bad_loop ();
351 }
352
353 ~dynamic_loop () throw ()
354 {
355 ev_loop_destroy (EV_AX);
356 EV_AX = 0;
357 }
358
359 private:
360
361 dynamic_loop (const dynamic_loop &);
362
363 dynamic_loop & operator= (const dynamic_loop &);
364
365 };
366#endif
367
368 struct default_loop : loop_ref
369 {
370 default_loop (unsigned int flags = AUTO) throw (bad_loop)
371#if EV_MULTIPLICITY
372 : loop_ref (ev_default_loop (flags))
373#endif
374 {
375 if (
376#if EV_MULTIPLICITY
377 !EV_AX
378#else
379 !ev_default_loop (flags)
380#endif
381 )
382 throw bad_loop ();
383 }
384
385 ~default_loop () throw ()
386 {
387 ev_default_destroy ();
388 }
389
390 private:
391 default_loop (const default_loop &);
392 default_loop &operator = (const default_loop &);
393 };
394
395 inline loop_ref get_default_loop () throw ()
396 {
397#if EV_MULTIPLICITY
398 return ev_default_loop (0);
399#else
400 return loop_ref ();
401#endif
402 }
403
404#undef EV_AX
405#undef EV_AX_
406
407#undef EV_PX
408#undef EV_PX_
409#if EV_MULTIPLICITY
410# define EV_PX loop_ref EV_A
411# define EV_PX_ loop_ref EV_A_
412#else
413# define EV_PX
414# define EV_PX_
415#endif
416
417 template<class ev_watcher, class watcher>
418 struct base : ev_watcher
419 {
420 #if EV_MULTIPLICITY
421 EV_PX;
422
423 void set (EV_PX) throw ()
424 {
425 this->EV_A = EV_A;
426 }
427 #endif
428
429 base (EV_PX) throw ()
430 #if EV_MULTIPLICITY
431 : EV_A (EV_A)
432 #endif
433 {
434 ev_init (this, 0);
435 }
436
437 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
438 {
439 this->data = data;
440 ev_set_cb (static_cast<ev_watcher *>(this), cb);
441 }
442
443 // method callback
444 template<class K, void (K::*method)(watcher &w, int)>
445 void set (K *object) throw ()
446 {
447 set_ (object, method_thunk<K, method>);
448 }
449
450 template<class K, void (K::*method)(watcher &w, int)>
451 static void method_thunk (EV_P_ ev_watcher *w, int revents)
452 {
453 K *obj = static_cast<K *>(w->data);
454 (obj->*method) (*static_cast<watcher *>(w), revents);
455 }
456
457 // const method callback
458 template<class K, void (K::*method)(watcher &w, int) const>
459 void set (const K *object) throw ()
460 {
461 set_ (object, const_method_thunk<K, method>);
462 }
463
464 template<class K, void (K::*method)(watcher &w, int) const>
465 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
466 {
467 K *obj = static_cast<K *>(w->data);
468 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
469 }
470
471 // function callback
472 template<void (*function)(watcher &w, int)>
473 void set (void *data = 0) throw ()
474 {
475 set_ (data, function_thunk<function>);
476 }
477
478 template<void (*function)(watcher &w, int)>
479 static void function_thunk (EV_P_ ev_watcher *w, int revents)
480 {
481 function (*static_cast<watcher *>(w), revents);
482 }
483
484 // simple callback
485 template<class K, void (K::*method)()>
486 void set (K *object) throw ()
487 {
488 set_ (object, method_noargs_thunk<K, method>);
489 }
490
491 template<class K, void (K::*method)()>
492 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
493 {
494 K *obj = static_cast<K *>(w->data);
495 (obj->*method) ();
496 }
497
498 void operator ()(int events = EV_UNDEF)
499 {
500 return 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);
70 } 563 }
71 564
72 #if EV_MULTIPLICITY 565 #if EV_MULTIPLICITY
73 566 #define EV_CONSTRUCT(cppstem,cstem) \
74 #define EV_CONSTRUCT(cppstem) \ 567 (EV_PX = get_default_loop ()) throw () \
75 EV_P; \ 568 : base<ev_ ## cstem, cppstem> (EV_A) \
76 \
77 void set (EV_P) \
78 { \ 569 { \
79 this->EV_A = EV_A; \ 570 }
80 } \
81 \
82 template<class O1, class O2> \
83 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \
84 : callback<cppstem> (object, method), EV_A (EV_A)
85
86 #else 571 #else
87 572 #define EV_CONSTRUCT(cppstem,cstem) \
88 #define EV_CONSTRUCT(cppstem) \ 573 () throw () \
89 template<class O1, class O2> \ 574 { \
90 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 575 }
91 : callback<cppstem> (object, method)
92
93 #endif 576 #endif
94 577
95 /* using a template here would require quite a bit more lines, 578 /* using a template here would require quite a bit more lines,
96 * so a macro solution was chosen */ 579 * so a macro solution was chosen */
97 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 580 #define EV_BEGIN_WATCHER(cppstem,cstem) \
98 \ 581 \
99 struct cppstem : ev_ ## cstem, callback<cppstem> \ 582 struct cppstem : base<ev_ ## cstem, cppstem> \
100 { \ 583 { \
101 EV_CONSTRUCT (cppstem) \
102 { \
103 ev_init (static_cast<ev_ ## cstem *>(this), thunk); \
104 } \
105 \
106 bool is_active () const \
107 { \
108 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
109 } \
110 \
111 bool is_pending () const \
112 { \
113 return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \
114 } \
115 \
116 void start () \ 584 void start () throw () \
117 { \ 585 { \
118 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 586 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
119 } \ 587 } \
120 \ 588 \
121 void stop () \ 589 void stop () throw () \
122 { \ 590 { \
123 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 591 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
124 } \ 592 } \
125 \ 593 \
126 void operator ()(int events = EV_UNDEF) \ 594 cppstem EV_CONSTRUCT(cppstem,cstem) \
127 { \
128 return call (this, events); \
129 } \
130 \ 595 \
131 ~cppstem () \ 596 ~cppstem () throw () \
132 { \ 597 { \
133 stop (); \ 598 stop (); \
134 } \ 599 } \
135 \ 600 \
601 using base<ev_ ## cstem, cppstem>::set; \
602 \
136 private: \ 603 private: \
137 \ 604 \
138 cppstem (const cppstem &o) \ 605 cppstem (const cppstem &o); \
139 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
140 { /* disabled */ } \
141 \ 606 \
142 void operator =(const cppstem &o) { /* disabled */ } \ 607 cppstem &operator =(const cppstem &o); \
143 \
144 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
145 { \
146 (*static_cast<cppstem *>(w))(revents); \
147 } \
148 \ 608 \
149 public: 609 public:
150 610
151 #define EV_END_WATCHER(cppstem,cstem) \ 611 #define EV_END_WATCHER(cppstem,cstem) \
152 }; 612 };
153 613
154 EV_BEGIN_WATCHER (io, io) 614 EV_BEGIN_WATCHER (io, io)
155 void set (int fd, int events) 615 void set (int fd, int events) throw ()
156 { 616 {
157 int active = is_active (); 617 int active = is_active ();
158 if (active) stop (); 618 if (active) stop ();
159 ev_io_set (static_cast<ev_io *>(this), fd, events); 619 ev_io_set (static_cast<ev_io *>(this), fd, events);
160 if (active) start (); 620 if (active) start ();
161 } 621 }
162 622
163 void set (int events) 623 void set (int events) throw ()
164 { 624 {
165 int active = is_active (); 625 int active = is_active ();
166 if (active) stop (); 626 if (active) stop ();
167 ev_io_set (static_cast<ev_io *>(this), fd, events); 627 ev_io_set (static_cast<ev_io *>(this), fd, events);
168 if (active) start (); 628 if (active) start ();
169 } 629 }
170 630
171 void start (int fd, int events) 631 void start (int fd, int events) throw ()
172 { 632 {
173 set (fd, events); 633 set (fd, events);
174 start (); 634 start ();
175 } 635 }
176 EV_END_WATCHER (io, io) 636 EV_END_WATCHER (io, io)
177 637
178 EV_BEGIN_WATCHER (timer, timer) 638 EV_BEGIN_WATCHER (timer, timer)
179 void set (ev_tstamp after, ev_tstamp repeat = 0.) 639 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
180 { 640 {
181 int active = is_active (); 641 int active = is_active ();
182 if (active) stop (); 642 if (active) stop ();
183 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 643 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
184 if (active) start (); 644 if (active) start ();
185 } 645 }
186 646
187 void start (ev_tstamp after, ev_tstamp repeat = 0.) 647 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
188 { 648 {
189 set (after, repeat); 649 set (after, repeat);
190 start (); 650 start ();
191 } 651 }
192 652
193 void again () 653 void again () throw ()
194 { 654 {
195 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
196 } 656 }
197 EV_END_WATCHER (timer, timer) 657 EV_END_WATCHER (timer, timer)
198 658
199 #if EV_PERIODIC_ENABLE 659 #if EV_PERIODIC_ENABLE
200 EV_BEGIN_WATCHER (periodic, periodic) 660 EV_BEGIN_WATCHER (periodic, periodic)
201 void set (ev_tstamp at, ev_tstamp interval = 0.) 661 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
202 { 662 {
203 int active = is_active (); 663 int active = is_active ();
204 if (active) stop (); 664 if (active) stop ();
205 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 665 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
206 if (active) start (); 666 if (active) start ();
207 } 667 }
208 668
209 void start (ev_tstamp at, ev_tstamp interval = 0.) 669 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
210 { 670 {
211 set (at, interval); 671 set (at, interval);
212 start (); 672 start ();
213 } 673 }
214 674
215 void again () 675 void again () throw ()
216 { 676 {
217 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 677 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
218 } 678 }
219 EV_END_WATCHER (periodic, periodic) 679 EV_END_WATCHER (periodic, periodic)
220 #endif 680 #endif
221 681
222 EV_BEGIN_WATCHER (sig, signal) 682 EV_BEGIN_WATCHER (sig, signal)
223 void set (int signum) 683 void set (int signum) throw ()
224 { 684 {
225 int active = is_active (); 685 int active = is_active ();
226 if (active) stop (); 686 if (active) stop ();
227 ev_signal_set (static_cast<ev_signal *>(this), signum); 687 ev_signal_set (static_cast<ev_signal *>(this), signum);
228 if (active) start (); 688 if (active) start ();
229 } 689 }
230 690
231 void start (int signum) 691 void start (int signum) throw ()
232 { 692 {
233 set (signum); 693 set (signum);
234 start (); 694 start ();
235 } 695 }
236 EV_END_WATCHER (sig, signal) 696 EV_END_WATCHER (sig, signal)
237 697
238 EV_BEGIN_WATCHER (child, child) 698 EV_BEGIN_WATCHER (child, child)
239 void set (int pid) 699 void set (int pid, int trace = 0) throw ()
240 { 700 {
241 int active = is_active (); 701 int active = is_active ();
242 if (active) stop (); 702 if (active) stop ();
243 ev_child_set (static_cast<ev_child *>(this), pid); 703 ev_child_set (static_cast<ev_child *>(this), pid, trace);
244 if (active) start (); 704 if (active) start ();
245 } 705 }
246 706
247 void start (int pid) 707 void start (int pid, int trace = 0) throw ()
248 { 708 {
249 set (pid); 709 set (pid, trace);
250 start (); 710 start ();
251 } 711 }
252 EV_END_WATCHER (child, child) 712 EV_END_WATCHER (child, child)
253 713
254 #if EV_STAT_ENABLE 714 #if EV_STAT_ENABLE
255 EV_BEGIN_WATCHER (stat, stat) 715 EV_BEGIN_WATCHER (stat, stat)
256 void set (const char *path, ev_tstamp interval = 0.) 716 void set (const char *path, ev_tstamp interval = 0.) throw ()
257 { 717 {
258 int active = is_active (); 718 int active = is_active ();
259 if (active) stop (); 719 if (active) stop ();
260 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 720 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
261 if (active) start (); 721 if (active) start ();
262 } 722 }
263 723
264 void start (const char *path, ev_tstamp interval = 0.) 724 void start (const char *path, ev_tstamp interval = 0.) throw ()
265 { 725 {
726 stop ();
266 set (path, interval); 727 set (path, interval);
267 start (); 728 start ();
268 } 729 }
269 730
270 void update () 731 void update () throw ()
271 { 732 {
272 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 733 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
273 } 734 }
274 EV_END_WATCHER (stat, stat) 735 EV_END_WATCHER (stat, stat)
275 #endif 736 #endif
276 737
277 EV_BEGIN_WATCHER (idle, idle) 738 EV_BEGIN_WATCHER (idle, idle)
278 void set () { } 739 void set () throw () { }
279 EV_END_WATCHER (idle, idle) 740 EV_END_WATCHER (idle, idle)
280 741
281 EV_BEGIN_WATCHER (prepare, prepare) 742 EV_BEGIN_WATCHER (prepare, prepare)
282 void set () { } 743 void set () throw () { }
283 EV_END_WATCHER (prepare, prepare) 744 EV_END_WATCHER (prepare, prepare)
284 745
285 EV_BEGIN_WATCHER (check, check) 746 EV_BEGIN_WATCHER (check, check)
286 void set () { } 747 void set () throw () { }
287 EV_END_WATCHER (check, check) 748 EV_END_WATCHER (check, check)
288 749
289 #if EV_EMBED_ENABLE 750 #if EV_EMBED_ENABLE
290 EV_BEGIN_WATCHER (embed, embed) 751 EV_BEGIN_WATCHER (embed, embed)
291 void set (struct ev_loop *loop) 752 void set (struct ev_loop *embedded_loop) throw ()
292 { 753 {
293 int active = is_active (); 754 int active = is_active ();
294 if (active) stop (); 755 if (active) stop ();
295 ev_embed_set (static_cast<ev_embed *>(this), loop); 756 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
296 if (active) start (); 757 if (active) start ();
297 } 758 }
298 759
299 void start (struct ev_loop *embedded_loop) 760 void start (struct ev_loop *embedded_loop) throw ()
300 { 761 {
301 set (embedded_loop); 762 set (embedded_loop);
302 start (); 763 start ();
303 } 764 }
304 765
… …
307 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); 768 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
308 } 769 }
309 EV_END_WATCHER (embed, embed) 770 EV_END_WATCHER (embed, embed)
310 #endif 771 #endif
311 772
773 #if EV_FORK_ENABLE
774 EV_BEGIN_WATCHER (fork, fork)
775 void set () throw () { }
776 EV_END_WATCHER (fork, fork)
777 #endif
778
779 #if EV_ASYNC_ENABLE
780 EV_BEGIN_WATCHER (async, async)
781 void set () throw () { }
782
783 void send () throw ()
784 {
785 ev_async_send (EV_A_ static_cast<ev_async *>(this));
786 }
787
788 bool async_pending () throw ()
789 {
790 return ev_async_pending (static_cast<ev_async *>(this));
791 }
792 EV_END_WATCHER (async, async)
793 #endif
794
795 #undef EV_PX
796 #undef EV_PX_
312 #undef EV_CONSTRUCT 797 #undef EV_CONSTRUCT
313 #undef EV_BEGIN_WATCHER 798 #undef EV_BEGIN_WATCHER
314 #undef EV_END_WATCHER 799 #undef EV_END_WATCHER
315} 800}
316 801

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