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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 1.42 by root, Mon Nov 3 14:27:06 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
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,
77# undef ERROR // some systems stupidly #define ERROR
62 ERROR = EV_ERROR, 78 ERROR = EV_ERROR,
63 }; 79 };
64 80
65 typedef ev_tstamp tstamp; 81 enum
82 {
83 AUTO = EVFLAG_AUTO,
84 NOENV = EVFLAG_NOENV,
85 FORKCHECK = EVFLAG_FORKCHECK,
66 86
67 inline ev_tstamp now (EV_P) 87 SELECT = EVBACKEND_SELECT,
88 POLL = EVBACKEND_POLL,
89 EPOLL = EVBACKEND_EPOLL,
90 KQUEUE = EVBACKEND_KQUEUE,
91 DEVPOLL = EVBACKEND_DEVPOLL,
92 PORT = EVBACKEND_PORT
93 };
94
95 enum
96 {
97 NONBLOCK = EVLOOP_NONBLOCK,
98 ONESHOT = EVLOOP_ONESHOT
99 };
100
101 enum how_t
102 {
103 ONE = EVUNLOOP_ONE,
104 ALL = EVUNLOOP_ALL
105 };
106
107 struct bad_loop
108#if EV_USE_STDEXCEPT
109 : std::runtime_error
110#endif
111 {
112#if EV_USE_STDEXCEPT
113 bad_loop ()
114 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
68 { 115 {
116 }
117#endif
118 };
119
120#ifdef EV_AX
121# undef EV_AX
122#endif
123
124#ifdef EV_AX_
125# undef EV_AX_
126#endif
127
128#if EV_MULTIPLICITY
129# define EV_AX raw_loop
130# define EV_AX_ raw_loop,
131#else
132# define EV_AX
133# define EV_AX_
134#endif
135
136 struct loop_ref
137 {
138 loop_ref (EV_P) throw ()
139#if EV_MULTIPLICITY
140 : EV_AX (EV_A)
141#endif
142 {
143 }
144
145 bool operator == (const loop_ref &other) const throw ()
146 {
147#if EV_MULTIPLICITY
148 return EV_AX == other.EV_AX;
149#else
150 return true;
151#endif
152 }
153
154 bool operator != (const loop_ref &other) const throw ()
155 {
156#if EV_MULTIPLICITY
157 return ! (*this == other);
158#else
159 return false;
160#endif
161 }
162
163#if EV_MULTIPLICITY
164 bool operator == (struct ev_loop *other) const throw ()
165 {
166 return this->EV_AX == other;
167 }
168
169 bool operator != (struct ev_loop *other) const throw ()
170 {
171 return ! (*this == other);
172 }
173
174 bool operator == (const struct ev_loop *other) const throw ()
175 {
176 return this->EV_AX == other;
177 }
178
179 bool operator != (const struct ev_loop *other) const throw ()
180 {
181 return (*this == other);
182 }
183
184 operator struct ev_loop * () const throw ()
185 {
186 return EV_AX;
187 }
188
189 operator const struct ev_loop * () const throw ()
190 {
191 return EV_AX;
192 }
193
194 bool is_default () const throw ()
195 {
196 return EV_AX == ev_default_loop (0);
197 }
198#endif
199
200 void loop (int flags = 0)
201 {
202 ev_loop (EV_AX_ flags);
203 }
204
205 void unloop (how_t how = ONE) throw ()
206 {
207 ev_unloop (EV_AX_ how);
208 }
209
210 void post_fork () throw ()
211 {
212#if EV_MULTIPLICITY
213 ev_loop_fork (EV_AX);
214#else
215 ev_default_fork ();
216#endif
217 }
218
219 unsigned int count () const throw ()
220 {
221 return ev_loop_count (EV_AX);
222 }
223
224 unsigned int backend () const throw ()
225 {
226 return ev_backend (EV_AX);
227 }
228
229 tstamp now () const throw ()
230 {
69 return ev_now (EV_A); 231 return ev_now (EV_AX);
232 }
233
234 void ref () throw ()
235 {
236 ev_ref (EV_AX);
237 }
238
239 void unref () throw ()
240 {
241 ev_unref (EV_AX);
242 }
243
244 void set_io_collect_interval (tstamp interval) throw ()
245 {
246 ev_set_io_collect_interval (EV_AX_ interval);
247 }
248
249 void set_timeout_collect_interval (tstamp interval) throw ()
250 {
251 ev_set_timeout_collect_interval (EV_AX_ interval);
252 }
253
254 // function callback
255 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) throw ()
256 {
257 ev_once (EV_AX_ fd, events, timeout, cb, arg);
258 }
259
260 // method callback
261 template<class K, void (K::*method)(int)>
262 void once (int fd, int events, tstamp timeout, K *object) throw ()
263 {
264 once (fd, events, timeout, method_thunk<K, method>, object);
265 }
266
267 template<class K, void (K::*method)(int)>
268 static void method_thunk (int revents, void* arg)
269 {
270 K *obj = static_cast<K *>(arg);
271 (obj->*method) (revents);
272 }
273
274 // const method callback
275 template<class K, void (K::*method)(int) const>
276 void once (int fd, int events, tstamp timeout, const K *object) throw ()
277 {
278 once (fd, events, timeout, const_method_thunk<K, method>, object);
279 }
280
281 template<class K, void (K::*method)(int) const>
282 static void const_method_thunk (int revents, void* arg)
283 {
284 K *obj = static_cast<K *>(arg);
285 (obj->*method) (revents);
286 }
287
288 // simple method callback
289 template<class K, void (K::*method)()>
290 void once (int fd, int events, tstamp timeout, K *object) throw ()
291 {
292 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
293 }
294
295 template<class K, void (K::*method)()>
296 static void method_noargs_thunk (int revents, void* arg)
297 {
298 K *obj = static_cast<K *>(arg);
299 (obj->*method) ();
300 }
301
302 // simpler function callback
303 template<void (*cb)(int)>
304 void once (int fd, int events, tstamp timeout) throw ()
305 {
306 once (fd, events, timeout, simpler_func_thunk<cb>);
307 }
308
309 template<void (*cb)(int)>
310 static void simpler_func_thunk (int revents, void* arg)
311 {
312 (*cb) (revents);
313 }
314
315 // simplest function callback
316 template<void (*cb)()>
317 void once (int fd, int events, tstamp timeout) throw ()
318 {
319 once (fd, events, timeout, simplest_func_thunk<cb>);
320 }
321
322 template<void (*cb)()>
323 static void simplest_func_thunk (int revents, void* arg)
324 {
325 (*cb) ();
326 }
327
328 void feed_fd_event (int fd, int revents) throw ()
329 {
330 ev_feed_fd_event (EV_AX_ fd, revents);
331 }
332
333 void feed_signal_event (int signum) throw ()
334 {
335 ev_feed_signal_event (EV_AX_ signum);
336 }
337
338#if EV_MULTIPLICITY
339 struct ev_loop* EV_AX;
340#endif
341
342 };
343
344#if EV_MULTIPLICITY
345 struct dynamic_loop : loop_ref
346 {
347
348 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
349 : loop_ref (ev_loop_new (flags))
350 {
351 if (!EV_AX)
352 throw bad_loop ();
353 }
354
355 ~dynamic_loop () throw ()
356 {
357 ev_loop_destroy (EV_AX);
358 EV_AX = 0;
359 }
360
361 private:
362
363 dynamic_loop (const dynamic_loop &);
364
365 dynamic_loop & operator= (const dynamic_loop &);
366
367 };
368#endif
369
370 struct default_loop : loop_ref
371 {
372 default_loop (unsigned int flags = AUTO) throw (bad_loop)
373#if EV_MULTIPLICITY
374 : loop_ref (ev_default_loop (flags))
375#endif
376 {
377 if (
378#if EV_MULTIPLICITY
379 !EV_AX
380#else
381 !ev_default_loop (flags)
382#endif
383 )
384 throw bad_loop ();
385 }
386
387 ~default_loop () throw ()
388 {
389 ev_default_destroy ();
390 }
391
392 private:
393 default_loop (const default_loop &);
394 default_loop &operator = (const default_loop &);
395 };
396
397 inline loop_ref get_default_loop () throw ()
398 {
399#if EV_MULTIPLICITY
400 return ev_default_loop (0);
401#else
402 return loop_ref ();
403#endif
404 }
405
406#undef EV_AX
407#undef EV_AX_
408
409#undef EV_PX
410#undef EV_PX_
411#if EV_MULTIPLICITY
412# define EV_PX loop_ref EV_A
413# define EV_PX_ loop_ref EV_A_
414#else
415# define EV_PX
416# define EV_PX_
417#endif
418
419 template<class ev_watcher, class watcher>
420 struct base : ev_watcher
421 {
422 #if EV_MULTIPLICITY
423 EV_PX;
424
425 void set (EV_PX) throw ()
426 {
427 this->EV_A = EV_A;
428 }
429 #endif
430
431 base (EV_PX) throw ()
432 #if EV_MULTIPLICITY
433 : EV_A (EV_A)
434 #endif
435 {
436 ev_init (this, 0);
437 }
438
439 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
440 {
441 this->data = data;
442 ev_set_cb (static_cast<ev_watcher *>(this), cb);
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 template<class K, void (K::*method)(watcher &w, int)>
453 static void method_thunk (EV_P_ ev_watcher *w, int revents)
454 {
455 K *obj = static_cast<K *>(w->data);
456 (obj->*method) (*static_cast<watcher *>(w), revents);
457 }
458
459 // const method callback
460 template<class K, void (K::*method)(watcher &w, int) const>
461 void set (const K *object) throw ()
462 {
463 set_ (object, const_method_thunk<K, method>);
464 }
465
466 template<class K, void (K::*method)(watcher &w, int) const>
467 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
468 {
469 K *obj = static_cast<K *>(w->data);
470 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
471 }
472
473 // function callback
474 template<void (*function)(watcher &w, int)>
475 void set (void *data = 0) throw ()
476 {
477 set_ (data, function_thunk<function>);
478 }
479
480 template<void (*function)(watcher &w, int)>
481 static void function_thunk (EV_P_ ev_watcher *w, int revents)
482 {
483 function (*static_cast<watcher *>(w), revents);
484 }
485
486 // simple callback
487 template<class K, void (K::*method)()>
488 void set (K *object) throw ()
489 {
490 set_ (object, method_noargs_thunk<K, method>);
491 }
492
493 template<class K, void (K::*method)()>
494 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
495 {
496 K *obj = static_cast<K *>(w->data);
497 (obj->*method) ();
498 }
499
500 void operator ()(int events = EV_UNDEF)
501 {
502 return ev_cb (static_cast<ev_watcher *>(this))
503 (static_cast<ev_watcher *>(this), events);
504 }
505
506 bool is_active () const throw ()
507 {
508 return ev_is_active (static_cast<const ev_watcher *>(this));
509 }
510
511 bool is_pending () const throw ()
512 {
513 return ev_is_pending (static_cast<const ev_watcher *>(this));
514 }
515
516 void feed_event (int revents) throw ()
517 {
518 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
519 }
520 };
521
522 inline tstamp now () throw ()
523 {
524 return ev_time ();
525 }
526
527 inline void delay (tstamp interval) throw ()
528 {
529 ev_sleep (interval);
530 }
531
532 inline int version_major () throw ()
533 {
534 return ev_version_major ();
535 }
536
537 inline int version_minor () throw ()
538 {
539 return ev_version_minor ();
540 }
541
542 inline unsigned int supported_backends () throw ()
543 {
544 return ev_supported_backends ();
545 }
546
547 inline unsigned int recommended_backends () throw ()
548 {
549 return ev_recommended_backends ();
550 }
551
552 inline unsigned int embeddable_backends () throw ()
553 {
554 return ev_embeddable_backends ();
555 }
556
557 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
558 {
559 ev_set_allocator (cb);
560 }
561
562 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
563 {
564 ev_set_syserr_cb (cb);
70 } 565 }
71 566
72 #if EV_MULTIPLICITY 567 #if EV_MULTIPLICITY
73 568 #define EV_CONSTRUCT(cppstem,cstem) \
74 #define EV_CONSTRUCT(cppstem) \ 569 (EV_PX = get_default_loop ()) throw () \
75 EV_P; \ 570 : base<ev_ ## cstem, cppstem> (EV_A) \
76 \
77 void set (EV_P) \
78 { \ 571 { \
79 this->EV_A = EV_A; \ 572 }
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 573 #else
87 574 #define EV_CONSTRUCT(cppstem,cstem) \
88 #define EV_CONSTRUCT(cppstem) \ 575 () throw () \
89 template<class O1, class O2> \ 576 { \
90 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 577 }
91 : callback<cppstem> (object, method)
92
93 #endif 578 #endif
94 579
95 /* using a template here would require quite a bit more lines, 580 /* using a template here would require quite a bit more lines,
96 * so a macro solution was chosen */ 581 * so a macro solution was chosen */
97 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 582 #define EV_BEGIN_WATCHER(cppstem,cstem) \
98 \ 583 \
99 struct cppstem : ev_ ## cstem, callback<cppstem> \ 584 struct cppstem : base<ev_ ## cstem, cppstem> \
100 { \ 585 { \
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 () \ 586 void start () throw () \
117 { \ 587 { \
118 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 588 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
119 } \ 589 } \
120 \ 590 \
121 void stop () \ 591 void stop () throw () \
122 { \ 592 { \
123 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 593 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
124 } \ 594 } \
125 \ 595 \
126 void operator ()(int events = EV_UNDEF) \ 596 cppstem EV_CONSTRUCT(cppstem,cstem) \
127 { \
128 return call (this, events); \
129 } \
130 \ 597 \
131 ~cppstem () \ 598 ~cppstem () throw () \
132 { \ 599 { \
133 stop (); \ 600 stop (); \
134 } \ 601 } \
135 \ 602 \
603 using base<ev_ ## cstem, cppstem>::set; \
604 \
136 private: \ 605 private: \
137 \ 606 \
138 cppstem (const cppstem &o) \ 607 cppstem (const cppstem &o); \
139 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
140 { /* disabled */ } \
141 \ 608 \
142 void operator =(const cppstem &o) { /* disabled */ } \ 609 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 \ 610 \
149 public: 611 public:
150 612
151 #define EV_END_WATCHER(cppstem,cstem) \ 613 #define EV_END_WATCHER(cppstem,cstem) \
152 }; 614 };
153 615
154 EV_BEGIN_WATCHER (io, io) 616 EV_BEGIN_WATCHER (io, io)
155 void set (int fd, int events) 617 void set (int fd, int events) throw ()
156 { 618 {
157 int active = is_active (); 619 int active = is_active ();
158 if (active) stop (); 620 if (active) stop ();
159 ev_io_set (static_cast<ev_io *>(this), fd, events); 621 ev_io_set (static_cast<ev_io *>(this), fd, events);
160 if (active) start (); 622 if (active) start ();
161 } 623 }
162 624
163 void set (int events) 625 void set (int events) throw ()
164 { 626 {
165 int active = is_active (); 627 int active = is_active ();
166 if (active) stop (); 628 if (active) stop ();
167 ev_io_set (static_cast<ev_io *>(this), fd, events); 629 ev_io_set (static_cast<ev_io *>(this), fd, events);
168 if (active) start (); 630 if (active) start ();
169 } 631 }
170 632
171 void start (int fd, int events) 633 void start (int fd, int events) throw ()
172 { 634 {
173 set (fd, events); 635 set (fd, events);
174 start (); 636 start ();
175 } 637 }
176 EV_END_WATCHER (io, io) 638 EV_END_WATCHER (io, io)
177 639
178 EV_BEGIN_WATCHER (timer, timer) 640 EV_BEGIN_WATCHER (timer, timer)
179 void set (ev_tstamp after, ev_tstamp repeat = 0.) 641 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
180 { 642 {
181 int active = is_active (); 643 int active = is_active ();
182 if (active) stop (); 644 if (active) stop ();
183 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 645 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
184 if (active) start (); 646 if (active) start ();
185 } 647 }
186 648
187 void start (ev_tstamp after, ev_tstamp repeat = 0.) 649 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
188 { 650 {
189 set (after, repeat); 651 set (after, repeat);
190 start (); 652 start ();
191 } 653 }
192 654
193 void again () 655 void again () throw ()
194 { 656 {
195 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 657 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
196 } 658 }
197 EV_END_WATCHER (timer, timer) 659 EV_END_WATCHER (timer, timer)
198 660
199 #if EV_PERIODIC_ENABLE 661 #if EV_PERIODIC_ENABLE
200 EV_BEGIN_WATCHER (periodic, periodic) 662 EV_BEGIN_WATCHER (periodic, periodic)
201 void set (ev_tstamp at, ev_tstamp interval = 0.) 663 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
202 { 664 {
203 int active = is_active (); 665 int active = is_active ();
204 if (active) stop (); 666 if (active) stop ();
205 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 667 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
206 if (active) start (); 668 if (active) start ();
207 } 669 }
208 670
209 void start (ev_tstamp at, ev_tstamp interval = 0.) 671 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
210 { 672 {
211 set (at, interval); 673 set (at, interval);
212 start (); 674 start ();
213 } 675 }
214 676
215 void again () 677 void again () throw ()
216 { 678 {
217 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 679 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
218 } 680 }
219 EV_END_WATCHER (periodic, periodic) 681 EV_END_WATCHER (periodic, periodic)
220 #endif 682 #endif
221 683
222 EV_BEGIN_WATCHER (sig, signal) 684 EV_BEGIN_WATCHER (sig, signal)
223 void set (int signum) 685 void set (int signum) throw ()
224 { 686 {
225 int active = is_active (); 687 int active = is_active ();
226 if (active) stop (); 688 if (active) stop ();
227 ev_signal_set (static_cast<ev_signal *>(this), signum); 689 ev_signal_set (static_cast<ev_signal *>(this), signum);
228 if (active) start (); 690 if (active) start ();
229 } 691 }
230 692
231 void start (int signum) 693 void start (int signum) throw ()
232 { 694 {
233 set (signum); 695 set (signum);
234 start (); 696 start ();
235 } 697 }
236 EV_END_WATCHER (sig, signal) 698 EV_END_WATCHER (sig, signal)
237 699
238 EV_BEGIN_WATCHER (child, child) 700 EV_BEGIN_WATCHER (child, child)
239 void set (int pid) 701 void set (int pid, int trace = 0) throw ()
240 { 702 {
241 int active = is_active (); 703 int active = is_active ();
242 if (active) stop (); 704 if (active) stop ();
243 ev_child_set (static_cast<ev_child *>(this), pid); 705 ev_child_set (static_cast<ev_child *>(this), pid, trace);
244 if (active) start (); 706 if (active) start ();
245 } 707 }
246 708
247 void start (int pid) 709 void start (int pid, int trace = 0) throw ()
248 { 710 {
249 set (pid); 711 set (pid, trace);
250 start (); 712 start ();
251 } 713 }
252 EV_END_WATCHER (child, child) 714 EV_END_WATCHER (child, child)
253 715
254 #if EV_STAT_ENABLE 716 #if EV_STAT_ENABLE
255 EV_BEGIN_WATCHER (stat, stat) 717 EV_BEGIN_WATCHER (stat, stat)
256 void set (const char *path, ev_tstamp interval = 0.) 718 void set (const char *path, ev_tstamp interval = 0.) throw ()
257 { 719 {
258 int active = is_active (); 720 int active = is_active ();
259 if (active) stop (); 721 if (active) stop ();
260 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 722 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
261 if (active) start (); 723 if (active) start ();
262 } 724 }
263 725
264 void start (const char *path, ev_tstamp interval = 0.) 726 void start (const char *path, ev_tstamp interval = 0.) throw ()
265 { 727 {
728 stop ();
266 set (path, interval); 729 set (path, interval);
267 start (); 730 start ();
268 } 731 }
269 732
270 void update () 733 void update () throw ()
271 { 734 {
272 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 735 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
273 } 736 }
274 EV_END_WATCHER (stat, stat) 737 EV_END_WATCHER (stat, stat)
275 #endif 738 #endif
276 739
277 EV_BEGIN_WATCHER (idle, idle) 740 EV_BEGIN_WATCHER (idle, idle)
278 void set () { } 741 void set () throw () { }
279 EV_END_WATCHER (idle, idle) 742 EV_END_WATCHER (idle, idle)
280 743
281 EV_BEGIN_WATCHER (prepare, prepare) 744 EV_BEGIN_WATCHER (prepare, prepare)
282 void set () { } 745 void set () throw () { }
283 EV_END_WATCHER (prepare, prepare) 746 EV_END_WATCHER (prepare, prepare)
284 747
285 EV_BEGIN_WATCHER (check, check) 748 EV_BEGIN_WATCHER (check, check)
286 void set () { } 749 void set () throw () { }
287 EV_END_WATCHER (check, check) 750 EV_END_WATCHER (check, check)
288 751
289 #if EV_EMBED_ENABLE 752 #if EV_EMBED_ENABLE
290 EV_BEGIN_WATCHER (embed, embed) 753 EV_BEGIN_WATCHER (embed, embed)
291 void set (struct ev_loop *loop) 754 void set (struct ev_loop *embedded_loop) throw ()
292 { 755 {
293 int active = is_active (); 756 int active = is_active ();
294 if (active) stop (); 757 if (active) stop ();
295 ev_embed_set (static_cast<ev_embed *>(this), loop); 758 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
296 if (active) start (); 759 if (active) start ();
297 } 760 }
298 761
299 void start (struct ev_loop *embedded_loop) 762 void start (struct ev_loop *embedded_loop) throw ()
300 { 763 {
301 set (embedded_loop); 764 set (embedded_loop);
302 start (); 765 start ();
303 } 766 }
304 767
… …
307 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); 770 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
308 } 771 }
309 EV_END_WATCHER (embed, embed) 772 EV_END_WATCHER (embed, embed)
310 #endif 773 #endif
311 774
775 #if EV_FORK_ENABLE
776 EV_BEGIN_WATCHER (fork, fork)
777 void set () throw () { }
778 EV_END_WATCHER (fork, fork)
779 #endif
780
781 #if EV_ASYNC_ENABLE
782 EV_BEGIN_WATCHER (async, async)
783 void set () throw () { }
784
785 void send () throw ()
786 {
787 ev_async_send (EV_A_ static_cast<ev_async *>(this));
788 }
789
790 bool async_pending () throw ()
791 {
792 return ev_async_pending (static_cast<ev_async *>(this));
793 }
794 EV_END_WATCHER (async, async)
795 #endif
796
797 #undef EV_PX
798 #undef EV_PX_
312 #undef EV_CONSTRUCT 799 #undef EV_CONSTRUCT
313 #undef EV_BEGIN_WATCHER 800 #undef EV_BEGIN_WATCHER
314 #undef EV_END_WATCHER 801 #undef EV_END_WATCHER
315} 802}
316 803

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