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Comparing libev/ev++.h (file contents):
Revision 1.8 by root, Tue Nov 27 08:20:41 2007 UTC vs.
Revision 1.45 by root, Fri Jul 10 00:36:21 2009 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
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 60
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
47 enum { 61 enum
62 {
48 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
49 NONE = EV_NONE, 64 NONE = EV_NONE,
50 READ = EV_READ, 65 READ = EV_READ,
51 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
52 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
53 PERIODIC = EV_PERIODIC, 68 PERIODIC = EV_PERIODIC,
54 SIGNAL = EV_SIGNAL, 69 SIGNAL = EV_SIGNAL,
70 CHILD = EV_CHILD,
71 STAT = EV_STAT,
55 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
56 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
57 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
58 CHILD = EV_CHILD, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
59 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
60 }; 80 };
61 81
62 typedef ev_tstamp tstamp; 82 enum
83 {
84 AUTO = EVFLAG_AUTO,
85 NOENV = EVFLAG_NOENV,
86 FORKCHECK = EVFLAG_FORKCHECK,
63 87
64 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?")
65 { 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 backend () const throw ()
211 {
212 return ev_backend (EV_AX);
213 }
214
215 tstamp now () const throw ()
216 {
66 return ev_now (EV_A); 217 return ev_now (EV_AX);
218 }
219
220 void ref () throw ()
221 {
222 ev_ref (EV_AX);
223 }
224
225 void unref () throw ()
226 {
227 ev_unref (EV_AX);
228 }
229
230#if EV_MINIMAL < 2
231 unsigned int count () const throw ()
232 {
233 return ev_loop_count (EV_AX);
234 }
235
236 unsigned int depth () const throw ()
237 {
238 return ev_loop_depth (EV_AX);
239 }
240
241 void set_io_collect_interval (tstamp interval) throw ()
242 {
243 ev_set_io_collect_interval (EV_AX_ interval);
244 }
245
246 void set_timeout_collect_interval (tstamp interval) throw ()
247 {
248 ev_set_timeout_collect_interval (EV_AX_ interval);
249 }
250#endif
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 // default method == operator ()
266 template<class K>
267 void once (int fd, int events, tstamp timeout, K *object) throw ()
268 {
269 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
270 }
271
272 template<class K, void (K::*method)(int)>
273 static void method_thunk (int revents, void *arg)
274 {
275 static_cast<K *>(arg)->*method
276 (revents);
277 }
278
279 // no-argument method callback
280 template<class K, void (K::*method)()>
281 void once (int fd, int events, tstamp timeout, K *object) throw ()
282 {
283 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
284 }
285
286 template<class K, void (K::*method)()>
287 static void method_noargs_thunk (int revents, void *arg)
288 {
289 static_cast<K *>(arg)->*method
290 ();
291 }
292
293 // simpler function callback
294 template<void (*cb)(int)>
295 void once (int fd, int events, tstamp timeout) throw ()
296 {
297 once (fd, events, timeout, simpler_func_thunk<cb>);
298 }
299
300 template<void (*cb)(int)>
301 static void simpler_func_thunk (int revents, void *arg)
302 {
303 (*cb)
304 (revents);
305 }
306
307 // simplest function callback
308 template<void (*cb)()>
309 void once (int fd, int events, tstamp timeout) throw ()
310 {
311 once (fd, events, timeout, simplest_func_thunk<cb>);
312 }
313
314 template<void (*cb)()>
315 static void simplest_func_thunk (int revents, void *arg)
316 {
317 (*cb)
318 ();
319 }
320
321 void feed_fd_event (int fd, int revents) throw ()
322 {
323 ev_feed_fd_event (EV_AX_ fd, revents);
324 }
325
326 void feed_signal_event (int signum) throw ()
327 {
328 ev_feed_signal_event (EV_AX_ signum);
329 }
330
331#if EV_MULTIPLICITY
332 struct ev_loop* EV_AX;
333#endif
334
335 };
336
337#if EV_MULTIPLICITY
338 struct dynamic_loop : loop_ref
339 {
340
341 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
342 : loop_ref (ev_loop_new (flags))
343 {
344 if (!EV_AX)
345 throw bad_loop ();
346 }
347
348 ~dynamic_loop () throw ()
349 {
350 ev_loop_destroy (EV_AX);
351 EV_AX = 0;
352 }
353
354 private:
355
356 dynamic_loop (const dynamic_loop &);
357
358 dynamic_loop & operator= (const dynamic_loop &);
359
360 };
361#endif
362
363 struct default_loop : loop_ref
364 {
365 default_loop (unsigned int flags = AUTO) throw (bad_loop)
366#if EV_MULTIPLICITY
367 : loop_ref (ev_default_loop (flags))
368#endif
369 {
370 if (
371#if EV_MULTIPLICITY
372 !EV_AX
373#else
374 !ev_default_loop (flags)
375#endif
376 )
377 throw bad_loop ();
378 }
379
380 ~default_loop () throw ()
381 {
382 ev_default_destroy ();
383 }
384
385 private:
386 default_loop (const default_loop &);
387 default_loop &operator = (const default_loop &);
388 };
389
390 inline loop_ref get_default_loop () throw ()
391 {
392#if EV_MULTIPLICITY
393 return ev_default_loop (0);
394#else
395 return loop_ref ();
396#endif
397 }
398
399#undef EV_AX
400#undef EV_AX_
401
402#undef EV_PX
403#undef EV_PX_
404#if EV_MULTIPLICITY
405# define EV_PX loop_ref EV_A
406# define EV_PX_ loop_ref EV_A_
407#else
408# define EV_PX
409# define EV_PX_
410#endif
411
412 template<class ev_watcher, class watcher>
413 struct base : ev_watcher
414 {
415 #if EV_MULTIPLICITY
416 EV_PX;
417
418 void set (EV_P) throw ()
419 {
420 this->EV_A = EV_A;
421 }
422 #endif
423
424 base (EV_PX) throw ()
425 #if EV_MULTIPLICITY
426 : EV_A (EV_A)
427 #endif
428 {
429 ev_init (this, 0);
430 }
431
432 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
433 {
434 this->data = (void *)data;
435 ev_set_cb (static_cast<ev_watcher *>(this), cb);
436 }
437
438 // function callback
439 template<void (*function)(watcher &w, int)>
440 void set (void *data = 0) throw ()
441 {
442 set_ (data, function_thunk<function>);
443 }
444
445 template<void (*function)(watcher &w, int)>
446 static void function_thunk (EV_P_ ev_watcher *w, int revents)
447 {
448 function
449 (*static_cast<watcher *>(w), revents);
450 }
451
452 // method callback
453 template<class K, void (K::*method)(watcher &w, int)>
454 void set (K *object) throw ()
455 {
456 set_ (object, method_thunk<K, method>);
457 }
458
459 // default method == operator ()
460 template<class K>
461 void set (K *object) throw ()
462 {
463 set_ (object, method_thunk<K, &K::operator ()>);
464 }
465
466 template<class K, void (K::*method)(watcher &w, int)>
467 static void method_thunk (EV_P_ ev_watcher *w, int revents)
468 {
469 (static_cast<K *>(w->data)->*method)
470 (*static_cast<watcher *>(w), revents);
471 }
472
473 // no-argument callback
474 template<class K, void (K::*method)()>
475 void set (K *object) throw ()
476 {
477 set_ (object, method_noargs_thunk<K, method>);
478 }
479
480 template<class K, void (K::*method)()>
481 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
482 {
483 static_cast<K *>(w->data)->*method
484 ();
485 }
486
487 void operator ()(int events = EV_UNDEF)
488 {
489 return
490 ev_cb (static_cast<ev_watcher *>(this))
491 (static_cast<ev_watcher *>(this), events);
492 }
493
494 bool is_active () const throw ()
495 {
496 return ev_is_active (static_cast<const ev_watcher *>(this));
497 }
498
499 bool is_pending () const throw ()
500 {
501 return ev_is_pending (static_cast<const ev_watcher *>(this));
502 }
503
504 void feed_event (int revents) throw ()
505 {
506 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
507 }
508 };
509
510 inline tstamp now () throw ()
511 {
512 return ev_time ();
513 }
514
515 inline void delay (tstamp interval) throw ()
516 {
517 ev_sleep (interval);
518 }
519
520 inline int version_major () throw ()
521 {
522 return ev_version_major ();
523 }
524
525 inline int version_minor () throw ()
526 {
527 return ev_version_minor ();
528 }
529
530 inline unsigned int supported_backends () throw ()
531 {
532 return ev_supported_backends ();
533 }
534
535 inline unsigned int recommended_backends () throw ()
536 {
537 return ev_recommended_backends ();
538 }
539
540 inline unsigned int embeddable_backends () throw ()
541 {
542 return ev_embeddable_backends ();
543 }
544
545 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
546 {
547 ev_set_allocator (cb);
548 }
549
550 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
551 {
552 ev_set_syserr_cb (cb);
67 } 553 }
68 554
69 #if EV_MULTIPLICITY 555 #if EV_MULTIPLICITY
70 556 #define EV_CONSTRUCT(cppstem,cstem) \
71 #define EV_CONSTRUCT(cppstem) \ 557 (EV_PX = get_default_loop ()) throw () \
72 EV_P; \ 558 : base<ev_ ## cstem, cppstem> (EV_A) \
73 \
74 void set (EV_P) \
75 { \ 559 { \
76 this->EV_A = EV_A; \ 560 }
77 } \
78 \
79 template<class O1, class O2> \
80 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \
81 : callback<cppstem> (object, method), EV_A (EV_A)
82
83 #else 561 #else
84 562 #define EV_CONSTRUCT(cppstem,cstem) \
85 #define EV_CONSTRUCT(cppstem) \ 563 () throw () \
86 template<class O1, class O2> \ 564 { \
87 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 565 }
88 : callback<cppstem> (object, method)
89
90 #endif 566 #endif
91 567
92 /* using a template here would require quite a bit more lines, 568 /* using a template here would require quite a bit more lines,
93 * so a macro solution was chosen */ 569 * so a macro solution was chosen */
94 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 570 #define EV_BEGIN_WATCHER(cppstem,cstem) \
95 \ 571 \
96 struct cppstem : ev_ ## cstem, callback<cppstem> \ 572 struct cppstem : base<ev_ ## cstem, cppstem> \
97 { \ 573 { \
98 EV_CONSTRUCT (cppstem) \
99 { \
100 ev_init (static_cast<ev_ ## cstem *>(this), thunk); \
101 } \
102 \
103 bool is_active () const \
104 { \
105 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
106 } \
107 \
108 bool is_pending () const \
109 { \
110 return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \
111 } \
112 \
113 void start () \ 574 void start () throw () \
114 { \ 575 { \
115 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 576 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
116 } \ 577 } \
117 \ 578 \
118 void stop () \ 579 void stop () throw () \
119 { \ 580 { \
120 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 581 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
121 } \ 582 } \
122 \ 583 \
123 void operator ()(int events = EV_UNDEF) \ 584 cppstem EV_CONSTRUCT(cppstem,cstem) \
124 { \ 585 \
125 return call (this, events); \
126 } \
127 \
128 ~cppstem () \ 586 ~cppstem () throw () \
129 { \ 587 { \
130 stop (); \ 588 stop (); \
131 } \ 589 } \
132 \ 590 \
591 using base<ev_ ## cstem, cppstem>::set; \
592 \
133 private: \ 593 private: \
134 \ 594 \
135 cppstem (const cppstem &o) \ 595 cppstem (const cppstem &o); \
136 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
137 { /* disabled */ } \
138 \
139 void operator =(const cppstem &o) { /* disabled */ } \
140 \
141 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
142 { \ 596 \
143 (*static_cast<cppstem *>(w))(revents); \ 597 cppstem &operator =(const cppstem &o); \
144 } \
145 \ 598 \
146 public: 599 public:
147 600
148 #define EV_END_WATCHER(cppstem,cstem) \ 601 #define EV_END_WATCHER(cppstem,cstem) \
149 }; 602 };
150 603
151 EV_BEGIN_WATCHER (io, io) 604 EV_BEGIN_WATCHER (io, io)
152 void set (int fd, int events) 605 void set (int fd, int events) throw ()
153 { 606 {
154 int active = is_active (); 607 int active = is_active ();
155 if (active) stop (); 608 if (active) stop ();
156 ev_io_set (static_cast<ev_io *>(this), fd, events); 609 ev_io_set (static_cast<ev_io *>(this), fd, events);
157 if (active) start (); 610 if (active) start ();
158 } 611 }
159 612
160 void set (int events) 613 void set (int events) throw ()
161 { 614 {
162 int active = is_active (); 615 int active = is_active ();
163 if (active) stop (); 616 if (active) stop ();
164 ev_io_set (static_cast<ev_io *>(this), fd, events); 617 ev_io_set (static_cast<ev_io *>(this), fd, events);
165 if (active) start (); 618 if (active) start ();
166 } 619 }
167 620
168 void start (int fd, int events) 621 void start (int fd, int events) throw ()
169 { 622 {
170 set (fd, events); 623 set (fd, events);
171 start (); 624 start ();
172 } 625 }
173 EV_END_WATCHER (io, io) 626 EV_END_WATCHER (io, io)
174 627
175 EV_BEGIN_WATCHER (timer, timer) 628 EV_BEGIN_WATCHER (timer, timer)
176 void set (ev_tstamp after, ev_tstamp repeat = 0.) 629 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
177 { 630 {
178 int active = is_active (); 631 int active = is_active ();
179 if (active) stop (); 632 if (active) stop ();
180 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 633 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
181 if (active) start (); 634 if (active) start ();
182 } 635 }
183 636
184 void start (ev_tstamp after, ev_tstamp repeat = 0.) 637 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
185 { 638 {
186 set (after, repeat); 639 set (after, repeat);
187 start (); 640 start ();
188 } 641 }
189 642
190 void again () 643 void again () throw ()
191 { 644 {
192 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 645 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
193 } 646 }
194 EV_END_WATCHER (timer, timer) 647 EV_END_WATCHER (timer, timer)
195 648
196 #if EV_PERIODIC_ENABLE 649 #if EV_PERIODIC_ENABLE
197 EV_BEGIN_WATCHER (periodic, periodic) 650 EV_BEGIN_WATCHER (periodic, periodic)
198 void set (ev_tstamp at, ev_tstamp interval = 0.) 651 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
199 { 652 {
200 int active = is_active (); 653 int active = is_active ();
201 if (active) stop (); 654 if (active) stop ();
202 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 655 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
203 if (active) start (); 656 if (active) start ();
204 } 657 }
205 658
206 void start (ev_tstamp at, ev_tstamp interval = 0.) 659 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
207 { 660 {
208 set (at, interval); 661 set (at, interval);
209 start (); 662 start ();
210 } 663 }
211 664
212 void again () 665 void again () throw ()
213 { 666 {
214 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 667 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
215 } 668 }
216 EV_END_WATCHER (periodic, periodic) 669 EV_END_WATCHER (periodic, periodic)
217 #endif 670 #endif
218 671
219 EV_BEGIN_WATCHER (sig, signal) 672 EV_BEGIN_WATCHER (sig, signal)
220 void set (int signum) 673 void set (int signum) throw ()
221 { 674 {
222 int active = is_active (); 675 int active = is_active ();
223 if (active) stop (); 676 if (active) stop ();
224 ev_signal_set (static_cast<ev_signal *>(this), signum); 677 ev_signal_set (static_cast<ev_signal *>(this), signum);
225 if (active) start (); 678 if (active) start ();
226 } 679 }
227 680
228 void start (int signum) 681 void start (int signum) throw ()
229 { 682 {
230 set (signum); 683 set (signum);
231 start (); 684 start ();
232 } 685 }
233 EV_END_WATCHER (sig, signal) 686 EV_END_WATCHER (sig, signal)
234 687
235 EV_BEGIN_WATCHER (child, child) 688 EV_BEGIN_WATCHER (child, child)
236 void set (int pid) 689 void set (int pid, int trace = 0) throw ()
237 { 690 {
238 int active = is_active (); 691 int active = is_active ();
239 if (active) stop (); 692 if (active) stop ();
240 ev_child_set (static_cast<ev_child *>(this), pid); 693 ev_child_set (static_cast<ev_child *>(this), pid, trace);
241 if (active) start (); 694 if (active) start ();
242 } 695 }
243 696
244 void start (int pid) 697 void start (int pid, int trace = 0) throw ()
245 { 698 {
246 set (pid); 699 set (pid, trace);
247 start (); 700 start ();
248 } 701 }
249 EV_END_WATCHER (child, child) 702 EV_END_WATCHER (child, child)
250 703
251 #if EV_STAT_ENABLE 704 #if EV_STAT_ENABLE
252 EV_BEGIN_WATCHER (stat, stat) 705 EV_BEGIN_WATCHER (stat, stat)
253 void set (const char *path, ev_tstamp interval = 0.) 706 void set (const char *path, ev_tstamp interval = 0.) throw ()
254 { 707 {
255 int active = is_active (); 708 int active = is_active ();
256 if (active) stop (); 709 if (active) stop ();
257 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 710 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
258 if (active) start (); 711 if (active) start ();
259 } 712 }
260 713
261 void start (const char *path, ev_tstamp interval = 0.) 714 void start (const char *path, ev_tstamp interval = 0.) throw ()
262 { 715 {
716 stop ();
263 set (path, interval); 717 set (path, interval);
264 start (); 718 start ();
265 } 719 }
266 720
267 void update () 721 void update () throw ()
268 { 722 {
269 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 723 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
270 } 724 }
271 EV_END_WATCHER (stat, stat) 725 EV_END_WATCHER (stat, stat)
272 #endif 726 #endif
273 727
274 EV_BEGIN_WATCHER (idle, idle) 728 EV_BEGIN_WATCHER (idle, idle)
275 void set () { } 729 void set () throw () { }
276 EV_END_WATCHER (idle, idle) 730 EV_END_WATCHER (idle, idle)
277 731
278 EV_BEGIN_WATCHER (prepare, prepare) 732 EV_BEGIN_WATCHER (prepare, prepare)
279 void set () { } 733 void set () throw () { }
280 EV_END_WATCHER (prepare, prepare) 734 EV_END_WATCHER (prepare, prepare)
281 735
282 EV_BEGIN_WATCHER (check, check) 736 EV_BEGIN_WATCHER (check, check)
283 void set () { } 737 void set () throw () { }
284 EV_END_WATCHER (check, check) 738 EV_END_WATCHER (check, check)
285 739
286 #if EV_EMBED_ENABLE 740 #if EV_EMBED_ENABLE
287 EV_BEGIN_WATCHER (embed, embed) 741 EV_BEGIN_WATCHER (embed, embed)
288 void set (struct ev_loop *loop) 742 void set (struct ev_loop *embedded_loop) throw ()
289 { 743 {
290 int active = is_active (); 744 int active = is_active ();
291 if (active) stop (); 745 if (active) stop ();
292 ev_embed_set (static_cast<ev_embed *>(this), loop); 746 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
293 if (active) start (); 747 if (active) start ();
294 } 748 }
295 749
296 void start (struct ev_loop *embedded_loop) 750 void start (struct ev_loop *embedded_loop) throw ()
297 { 751 {
298 set (embedded_loop); 752 set (embedded_loop);
299 start (); 753 start ();
300 } 754 }
301 755
… …
304 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); 758 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
305 } 759 }
306 EV_END_WATCHER (embed, embed) 760 EV_END_WATCHER (embed, embed)
307 #endif 761 #endif
308 762
763 #if EV_FORK_ENABLE
764 EV_BEGIN_WATCHER (fork, fork)
765 void set () throw () { }
766 EV_END_WATCHER (fork, fork)
767 #endif
768
769 #if EV_ASYNC_ENABLE
770 EV_BEGIN_WATCHER (async, async)
771 void set () throw () { }
772
773 void send () throw ()
774 {
775 ev_async_send (EV_A_ static_cast<ev_async *>(this));
776 }
777
778 bool async_pending () throw ()
779 {
780 return ev_async_pending (static_cast<ev_async *>(this));
781 }
782 EV_END_WATCHER (async, async)
783 #endif
784
785 #undef EV_PX
786 #undef EV_PX_
309 #undef EV_CONSTRUCT 787 #undef EV_CONSTRUCT
310 #undef EV_BEGIN_WATCHER 788 #undef EV_BEGIN_WATCHER
311 #undef EV_END_WATCHER 789 #undef EV_END_WATCHER
312} 790}
313 791

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