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Comparing libev/ev++.h (file contents):
Revision 1.12 by root, Thu Nov 29 17:36:35 2007 UTC vs.
Revision 1.36 by root, Tue Jan 22 18:09:23 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 klass; // it is vital that this is never defined
12
13 klass *o;
14 void (klass::*m)(watcher &, int);
15
16 public:
17 template<class O1, class O2>
18 explicit callback (O1 *object, void (O2::*method)(watcher &, int))
19 {
20 o = reinterpret_cast<klass *>(object);
21 m = reinterpret_cast<void (klass::*)(watcher &, int)>(method);
22 }
23
24 // this works because a standards-compliant C++ compiler
25 // basically can't help it: it doesn't have the knowledge
26 // required to miscompile (klass is not defined anywhere
27 // and nothing is known about the constructor arguments) :)
28 void call (watcher *w, int revents)
29 {
30 (o->*m) (*w, revents);
31 }
32 };
33 60
34 enum { 61 enum {
35 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
36 NONE = EV_NONE, 63 NONE = EV_NONE,
37 READ = EV_READ, 64 READ = EV_READ,
… …
47 FORK = EV_FORK, 74 FORK = EV_FORK,
48 EMBED = EV_EMBED, 75 EMBED = EV_EMBED,
49 ERROR = EV_ERROR, 76 ERROR = EV_ERROR,
50 }; 77 };
51 78
52 typedef ev_tstamp tstamp; 79 enum
80 {
81 AUTO = EVFLAG_AUTO,
82 NOENV = EVFLAG_NOENV,
83 FORKCHECK = EVFLAG_FORKCHECK,
84 SELECT = EVBACKEND_SELECT,
85 POLL = EVBACKEND_POLL,
86 EPOLL = EVBACKEND_EPOLL,
87 KQUEUE = EVBACKEND_KQUEUE,
88 DEVPOLL = EVBACKEND_DEVPOLL,
89 PORT = EVBACKEND_PORT
90 };
53 91
54 inline ev_tstamp now (EV_P) 92 enum
93 {
94 NONBLOCK = EVLOOP_NONBLOCK,
95 ONESHOT = EVLOOP_ONESHOT
96 };
97
98 enum how_t
99 {
100 ONE = EVUNLOOP_ONE,
101 ALL = EVUNLOOP_ALL
102 };
103
104 struct bad_loop
105#if EV_USE_STDEXCEPT
106 : std::runtime_error
107#endif
108 {
109#if EV_USE_STDEXCEPT
110 bad_loop ()
111 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
55 { 112 {
113 }
114#endif
115 };
116
117#ifdef EV_AX
118# undef EV_AX
119#endif
120
121#ifdef EV_AX_
122# undef EV_AX_
123#endif
124
125#if EV_MULTIPLICITY
126# define EV_AX raw_loop
127# define EV_AX_ raw_loop,
128#else
129# define EV_AX
130# define EV_AX_
131#endif
132
133 struct loop_ref
134 {
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 {
56 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
371 default_loop (unsigned int flags = AUTO) throw (bad_loop)
372#if EV_MULTIPLICITY
373 : loop_ref (ev_default_loop (flags))
374#endif
375 {
376 if (
377#if EV_MULTIPLICITY
378 !EV_AX
379#else
380 !ev_default_loop (flags)
381#endif
382 )
383 throw bad_loop ();
384 }
385
386 ~default_loop () throw ()
387 {
388 ev_default_destroy ();
389 }
390
391 private:
392 default_loop (const default_loop &);
393 default_loop &operator = (const default_loop &);
394 };
395
396 inline loop_ref get_default_loop () throw ()
397 {
398#if EV_MULTIPLICITY
399 return ev_default_loop (0);
400#else
401 return loop_ref ();
402#endif
403 }
404
405#undef EV_AX
406#undef EV_AX_
407
408#undef EV_PX
409#undef EV_PX_
410#if EV_MULTIPLICITY
411# define EV_PX loop_ref EV_A
412# define EV_PX_ loop_ref EV_A_
413#else
414# define EV_PX
415# define EV_PX_
416#endif
417
418 template<class ev_watcher, class watcher>
419 struct base : ev_watcher
420 {
421 #if EV_MULTIPLICITY
422 EV_PX;
423
424 void set (EV_PX) throw ()
425 {
426 this->EV_A = EV_A;
427 }
428 #endif
429
430 base (EV_PX) throw ()
431 #if EV_MULTIPLICITY
432 : EV_A (EV_A)
433 #endif
434 {
435 ev_init (this, 0);
436 }
437
438 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
439 {
440 this->data = data;
441 ev_set_cb (static_cast<ev_watcher *>(this), cb);
442 }
443
444 // method callback
445 template<class K, void (K::*method)(watcher &w, int)>
446 void set (K *object) throw ()
447 {
448 set_ (object, method_thunk<K, method>);
449 }
450
451 template<class K, void (K::*method)(watcher &w, int)>
452 static void method_thunk (EV_P_ ev_watcher *w, int revents)
453 {
454 K *obj = static_cast<K *>(w->data);
455 (obj->*method) (*static_cast<watcher *>(w), revents);
456 }
457
458 // const method callback
459 template<class K, void (K::*method)(watcher &w, int) const>
460 void set (const K *object) throw ()
461 {
462 set_ (object, const_method_thunk<K, method>);
463 }
464
465 template<class K, void (K::*method)(watcher &w, int) const>
466 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
467 {
468 K *obj = static_cast<K *>(w->data);
469 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
470 }
471
472 // function callback
473 template<void (*function)(watcher &w, int)>
474 void set (void *data = 0) throw ()
475 {
476 set_ (data, function_thunk<function>);
477 }
478
479 template<void (*function)(watcher &w, int)>
480 static void function_thunk (EV_P_ ev_watcher *w, int revents)
481 {
482 function (*static_cast<watcher *>(w), revents);
483 }
484
485 // simple callback
486 template<class K, void (K::*method)()>
487 void set (K *object) throw ()
488 {
489 set_ (object, method_noargs_thunk<K, method>);
490 }
491
492 template<class K, void (K::*method)()>
493 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
494 {
495 K *obj = static_cast<K *>(w->data);
496 (obj->*method) ();
497 }
498
499 void operator ()(int events = EV_UNDEF)
500 {
501 return ev_cb (static_cast<ev_watcher *>(this))
502 (static_cast<ev_watcher *>(this), events);
503 }
504
505 bool is_active () const throw ()
506 {
507 return ev_is_active (static_cast<const ev_watcher *>(this));
508 }
509
510 bool is_pending () const throw ()
511 {
512 return ev_is_pending (static_cast<const ev_watcher *>(this));
513 }
514
515 void feed_event (int revents) throw ()
516 {
517 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
518 }
519 };
520
521 inline tstamp now () throw ()
522 {
523 return ev_time ();
524 }
525
526 inline void delay (tstamp interval) throw ()
527 {
528 ev_sleep (interval);
529 }
530
531 inline int version_major () throw ()
532 {
533 return ev_version_major ();
534 }
535
536 inline int version_minor () throw ()
537 {
538 return ev_version_minor ();
539 }
540
541 inline unsigned int supported_backends () throw ()
542 {
543 return ev_supported_backends ();
544 }
545
546 inline unsigned int recommended_backends () throw ()
547 {
548 return ev_recommended_backends ();
549 }
550
551 inline unsigned int embeddable_backends () throw ()
552 {
553 return ev_embeddable_backends ();
554 }
555
556 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
557 {
558 ev_set_allocator (cb);
559 }
560
561 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
562 {
563 ev_set_syserr_cb (cb);
57 } 564 }
58 565
59 #if EV_MULTIPLICITY 566 #if EV_MULTIPLICITY
60 567 #define EV_CONSTRUCT(cppstem,cstem) \
61 #define EV_CONSTRUCT(cppstem) \ 568 (EV_PX = get_default_loop ()) throw () \
62 EV_P; \ 569 : base<ev_ ## cstem, cppstem> (EV_A) \
63 \
64 void set (EV_P) \
65 { \ 570 { \
66 this->EV_A = EV_A; \ 571 }
67 } \
68 \
69 template<class O1, class O2> \
70 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \
71 : callback<cppstem> (object, method), EV_A (EV_A)
72
73 #else 572 #else
74 573 #define EV_CONSTRUCT(cppstem,cstem) \
75 #define EV_CONSTRUCT(cppstem) \ 574 () throw () \
76 template<class O1, class O2> \ 575 { \
77 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 576 }
78 : callback<cppstem> (object, method)
79
80 #endif 577 #endif
81 578
82 /* using a template here would require quite a bit more lines, 579 /* using a template here would require quite a bit more lines,
83 * so a macro solution was chosen */ 580 * so a macro solution was chosen */
84 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 581 #define EV_BEGIN_WATCHER(cppstem,cstem) \
85 \ 582 \
86 struct cppstem : ev_ ## cstem, callback<cppstem> \ 583 struct cppstem : base<ev_ ## cstem, cppstem> \
87 { \ 584 { \
88 EV_CONSTRUCT (cppstem) \
89 { \
90 ev_init (static_cast<ev_ ## cstem *>(this), thunk); \
91 } \
92 \
93 bool is_active () const \
94 { \
95 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
96 } \
97 \
98 bool is_pending () const \
99 { \
100 return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \
101 } \
102 \
103 void start () \ 585 void start () throw () \
104 { \ 586 { \
105 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 587 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
106 } \ 588 } \
107 \ 589 \
108 void stop () \ 590 void stop () throw () \
109 { \ 591 { \
110 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 592 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
111 } \ 593 } \
112 \ 594 \
113 void operator ()(int events = EV_UNDEF) \ 595 cppstem EV_CONSTRUCT(cppstem,cstem) \
114 { \ 596 \
115 return call (this, events); \
116 } \
117 \
118 ~cppstem () \ 597 ~cppstem () throw () \
119 { \ 598 { \
120 stop (); \ 599 stop (); \
121 } \ 600 } \
122 \ 601 \
602 using base<ev_ ## cstem, cppstem>::set; \
603 \
123 private: \ 604 private: \
124 \ 605 \
125 cppstem (const cppstem &o) \ 606 cppstem (const cppstem &o); \
126 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
127 { /* disabled */ } \
128 \
129 void operator =(const cppstem &o) { /* disabled */ } \
130 \
131 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
132 { \ 607 \
133 (*static_cast<cppstem *>(w))(revents); \ 608 cppstem & operator =(const cppstem &o); \
134 } \
135 \ 609 \
136 public: 610 public:
137 611
138 #define EV_END_WATCHER(cppstem,cstem) \ 612 #define EV_END_WATCHER(cppstem,cstem) \
139 }; 613 };
140 614
141 EV_BEGIN_WATCHER (io, io) 615 EV_BEGIN_WATCHER (io, io)
142 void set (int fd, int events) 616 void set (int fd, int events) throw ()
143 { 617 {
144 int active = is_active (); 618 int active = is_active ();
145 if (active) stop (); 619 if (active) stop ();
146 ev_io_set (static_cast<ev_io *>(this), fd, events); 620 ev_io_set (static_cast<ev_io *>(this), fd, events);
147 if (active) start (); 621 if (active) start ();
148 } 622 }
149 623
150 void set (int events) 624 void set (int events) throw ()
151 { 625 {
152 int active = is_active (); 626 int active = is_active ();
153 if (active) stop (); 627 if (active) stop ();
154 ev_io_set (static_cast<ev_io *>(this), fd, events); 628 ev_io_set (static_cast<ev_io *>(this), fd, events);
155 if (active) start (); 629 if (active) start ();
156 } 630 }
157 631
158 void start (int fd, int events) 632 void start (int fd, int events) throw ()
159 { 633 {
160 set (fd, events); 634 set (fd, events);
161 start (); 635 start ();
162 } 636 }
163 EV_END_WATCHER (io, io) 637 EV_END_WATCHER (io, io)
164 638
165 EV_BEGIN_WATCHER (timer, timer) 639 EV_BEGIN_WATCHER (timer, timer)
166 void set (ev_tstamp after, ev_tstamp repeat = 0.) 640 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
167 { 641 {
168 int active = is_active (); 642 int active = is_active ();
169 if (active) stop (); 643 if (active) stop ();
170 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 644 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
171 if (active) start (); 645 if (active) start ();
172 } 646 }
173 647
174 void start (ev_tstamp after, ev_tstamp repeat = 0.) 648 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
175 { 649 {
176 set (after, repeat); 650 set (after, repeat);
177 start (); 651 start ();
178 } 652 }
179 653
180 void again () 654 void again () throw ()
181 { 655 {
182 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 656 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
183 } 657 }
184 EV_END_WATCHER (timer, timer) 658 EV_END_WATCHER (timer, timer)
185 659
186 #if EV_PERIODIC_ENABLE 660 #if EV_PERIODIC_ENABLE
187 EV_BEGIN_WATCHER (periodic, periodic) 661 EV_BEGIN_WATCHER (periodic, periodic)
188 void set (ev_tstamp at, ev_tstamp interval = 0.) 662 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
189 { 663 {
190 int active = is_active (); 664 int active = is_active ();
191 if (active) stop (); 665 if (active) stop ();
192 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 666 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
193 if (active) start (); 667 if (active) start ();
194 } 668 }
195 669
196 void start (ev_tstamp at, ev_tstamp interval = 0.) 670 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
197 { 671 {
198 set (at, interval); 672 set (at, interval);
199 start (); 673 start ();
200 } 674 }
201 675
202 void again () 676 void again () throw ()
203 { 677 {
204 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 678 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
205 } 679 }
206 EV_END_WATCHER (periodic, periodic) 680 EV_END_WATCHER (periodic, periodic)
207 #endif 681 #endif
208 682
209 EV_BEGIN_WATCHER (sig, signal) 683 EV_BEGIN_WATCHER (sig, signal)
210 void set (int signum) 684 void set (int signum) throw ()
211 { 685 {
212 int active = is_active (); 686 int active = is_active ();
213 if (active) stop (); 687 if (active) stop ();
214 ev_signal_set (static_cast<ev_signal *>(this), signum); 688 ev_signal_set (static_cast<ev_signal *>(this), signum);
215 if (active) start (); 689 if (active) start ();
216 } 690 }
217 691
218 void start (int signum) 692 void start (int signum) throw ()
219 { 693 {
220 set (signum); 694 set (signum);
221 start (); 695 start ();
222 } 696 }
223 EV_END_WATCHER (sig, signal) 697 EV_END_WATCHER (sig, signal)
224 698
225 EV_BEGIN_WATCHER (child, child) 699 EV_BEGIN_WATCHER (child, child)
226 void set (int pid) 700 void set (int pid) throw ()
227 { 701 {
228 int active = is_active (); 702 int active = is_active ();
229 if (active) stop (); 703 if (active) stop ();
230 ev_child_set (static_cast<ev_child *>(this), pid); 704 ev_child_set (static_cast<ev_child *>(this), pid);
231 if (active) start (); 705 if (active) start ();
232 } 706 }
233 707
234 void start (int pid) 708 void start (int pid) throw ()
235 { 709 {
236 set (pid); 710 set (pid);
237 start (); 711 start ();
238 } 712 }
239 EV_END_WATCHER (child, child) 713 EV_END_WATCHER (child, child)
240 714
241 #if EV_STAT_ENABLE 715 #if EV_STAT_ENABLE
242 EV_BEGIN_WATCHER (stat, stat) 716 EV_BEGIN_WATCHER (stat, stat)
243 void set (const char *path, ev_tstamp interval = 0.) 717 void set (const char *path, ev_tstamp interval = 0.) throw ()
244 { 718 {
245 int active = is_active (); 719 int active = is_active ();
246 if (active) stop (); 720 if (active) stop ();
247 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 721 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
248 if (active) start (); 722 if (active) start ();
249 } 723 }
250 724
251 void start (const char *path, ev_tstamp interval = 0.) 725 void start (const char *path, ev_tstamp interval = 0.) throw ()
252 { 726 {
253 stop (); 727 stop ();
254 set (path, interval); 728 set (path, interval);
255 start (); 729 start ();
256 } 730 }
257 731
258 void update () 732 void update () throw ()
259 { 733 {
260 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 734 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
261 } 735 }
262 EV_END_WATCHER (stat, stat) 736 EV_END_WATCHER (stat, stat)
263 #endif 737 #endif
264 738
265 EV_BEGIN_WATCHER (idle, idle) 739 EV_BEGIN_WATCHER (idle, idle)
266 void set () { } 740 void set () throw () { }
267 EV_END_WATCHER (idle, idle) 741 EV_END_WATCHER (idle, idle)
268 742
269 EV_BEGIN_WATCHER (prepare, prepare) 743 EV_BEGIN_WATCHER (prepare, prepare)
270 void set () { } 744 void set () throw () { }
271 EV_END_WATCHER (prepare, prepare) 745 EV_END_WATCHER (prepare, prepare)
272 746
273 EV_BEGIN_WATCHER (check, check) 747 EV_BEGIN_WATCHER (check, check)
274 void set () { } 748 void set () throw () { }
275 EV_END_WATCHER (check, check) 749 EV_END_WATCHER (check, check)
276 750
277 #if EV_EMBED_ENABLE 751 #if EV_EMBED_ENABLE
278 EV_BEGIN_WATCHER (embed, embed) 752 EV_BEGIN_WATCHER (embed, embed)
279 void start (struct ev_loop *embedded_loop) 753 void start (struct ev_loop *embedded_loop) throw ()
280 { 754 {
281 stop (); 755 stop ();
282 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 756 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
283 start (); 757 start ();
284 } 758 }
… …
290 EV_END_WATCHER (embed, embed) 764 EV_END_WATCHER (embed, embed)
291 #endif 765 #endif
292 766
293 #if EV_FORK_ENABLE 767 #if EV_FORK_ENABLE
294 EV_BEGIN_WATCHER (fork, fork) 768 EV_BEGIN_WATCHER (fork, fork)
295 void set () { } 769 void set () throw () { }
296 EV_END_WATCHER (fork, fork) 770 EV_END_WATCHER (fork, fork)
297 #endif 771 #endif
298 772
773 #undef EV_PX
774 #undef EV_PX_
299 #undef EV_CONSTRUCT 775 #undef EV_CONSTRUCT
300 #undef EV_BEGIN_WATCHER 776 #undef EV_BEGIN_WATCHER
301 #undef EV_END_WATCHER 777 #undef EV_END_WATCHER
778
302} 779}
303 780
304#endif 781#endif
305 782

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