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Comparing libev/ev++.h (file contents):
Revision 1.2 by root, Sun Nov 11 00:05:59 2007 UTC vs.
Revision 1.28 by llucax, Fri Jan 18 18:14:41 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
4/* work in progress, don't use unless you know what you are doing */ 43#ifdef EV_H
44# include EV_H
45#else
46# include "ev.h"
47#endif
5 48
6namespace ev { 49namespace ev {
7 50
8 template<class watcher> 51 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
47 #include "ev.h"
48 52
49 enum { 53 enum {
50 UNDEF = EV_UNDEF, 54 UNDEF = EV_UNDEF,
51 NONE = EV_NONE, 55 NONE = EV_NONE,
52 READ = EV_READ, 56 READ = EV_READ,
53 WRITE = EV_WRITE, 57 WRITE = EV_WRITE,
54 TIMEOUT = EV_TIMEOUT, 58 TIMEOUT = EV_TIMEOUT,
55 PERIODIC = EV_PERIODIC, 59 PERIODIC = EV_PERIODIC,
56 SIGNAL = EV_SIGNAL, 60 SIGNAL = EV_SIGNAL,
61 CHILD = EV_CHILD,
62 STAT = EV_STAT,
57 IDLE = EV_IDLE, 63 IDLE = EV_IDLE,
58 CHECK = EV_CHECK, 64 CHECK = EV_CHECK,
59 PREPARE = EV_PREPARE, 65 PREPARE = EV_PREPARE,
60 CHILD = EV_CHILD, 66 FORK = EV_FORK,
67 EMBED = EV_EMBED,
61 ERROR = EV_ERROR, 68 ERROR = EV_ERROR,
62 }; 69 };
63 70
64 typedef ev_tstamp tstamp; 71 enum
72 {
73 AUTO = EVFLAG_AUTO,
74 NOENV = EVFLAG_NOENV,
75 FORKCHECK = EVFLAG_FORKCHECK,
76 SELECT = EVBACKEND_SELECT,
77 POLL = EVBACKEND_POLL,
78 EPOLL = EVBACKEND_EPOLL,
79 KQUEUE = EVBACKEND_KQUEUE,
80 DEVPOLL = EVBACKEND_DEVPOLL,
81 PORT = EVBACKEND_PORT
82 };
65 83
66 inline ev_tstamp now (EV_P) 84 enum
85 {
86 NONBLOCK = EVLOOP_NONBLOCK,
87 ONESHOT = EVLOOP_ONESHOT
88 };
89
90 enum how_t
91 {
92 ONE = EVUNLOOP_ONE,
93 ALL = EVUNLOOP_ALL
94 };
95
96#ifdef EV_AX
97# undef EV_AX
98#endif
99
100#ifdef EV_AX_
101# undef EV_AX_
102#endif
103
104#if EV_MULTIPLICITY
105# define EV_AX raw_loop
106# define EV_AX_ raw_loop,
107#else
108# define EV_AX
109# define EV_AX_
110#endif
111
112 struct loop_ref
113 {
114
115 loop_ref (EV_P)
116#if EV_MULTIPLICITY
117 : EV_AX (EV_A)
118#endif
67 { 119 {
120 }
121
122 bool operator== (const loop_ref &other) const
123 {
124#if EV_MULTIPLICITY
125 return this->EV_AX == other.EV_AX;
126#else
127 return true;
128#endif
129 }
130
131 bool operator!= (const loop_ref &other) const
132 {
133#if EV_MULTIPLICITY
134 return ! (*this == other);
135#else
136 return false;
137#endif
138 }
139
140#if EV_MULTIPLICITY
141 bool operator== (struct ev_loop *other) const
142 {
143 return this->EV_AX == other;
144 }
145
146 bool operator!= (struct ev_loop *other) const
147 {
148 return ! (*this == other);
149 }
150
151 bool operator== (const struct ev_loop *other) const
152 {
153 return this->EV_AX == other;
154 }
155
156 bool operator!= (const struct ev_loop *other) const
157 {
158 return (*this == other);
159 }
160
161 operator struct ev_loop * () const
162 {
163 return EV_AX;
164 }
165
166 operator const struct ev_loop * () const
167 {
168 return EV_AX;
169 }
170
171 bool is_default () const
172 {
173 return EV_AX == ev_default_loop (0);
174 }
175#endif
176
177 void loop (int flags = 0)
178 {
179 ev_loop (EV_AX_ flags);
180 }
181
182 void unloop (how_t how = ONE)
183 {
184 ev_unloop (EV_AX_ how);
185 }
186
187 void post_fork ()
188 {
189#if EV_MULTIPLICITY
190 ev_loop_fork (EV_AX);
191#else
192 ev_default_fork ();
193#endif
194 }
195
196 unsigned int count () const
197 {
198 return ev_loop_count (EV_AX);
199 }
200
201 unsigned int backend () const
202 {
203 return ev_backend (EV_AX);
204 }
205
206 tstamp now () const
207 {
68 return ev_now (EV_A); 208 return ev_now (EV_AX);
209 }
210
211 void ref ()
212 {
213 ev_ref (EV_AX);
214 }
215
216 void unref ()
217 {
218 ev_unref (EV_AX);
219 }
220
221 void set_io_collect_interval (tstamp interval)
222 {
223 ev_set_io_collect_interval (EV_AX_ interval);
224 }
225
226 void set_timeout_collect_interval (tstamp interval)
227 {
228 ev_set_timeout_collect_interval (EV_AX_ interval);
229 }
230
231 // function callback
232 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0)
233 {
234 ev_once (EV_AX_ fd, events, timeout, cb, arg);
235 }
236
237 // method callback
238 template<class K, void (K::*method)(int)>
239 void once (int fd, int events, tstamp timeout, K *object)
240 {
241 once (fd, events, timeout, method_thunk<K, method>, object);
242 }
243
244 template<class K, void (K::*method)(int)>
245 static void method_thunk (int revents, void* arg)
246 {
247 K *obj = static_cast<K *>(arg);
248 (obj->*method) (revents);
249 }
250
251 // const method callback
252 template<class K, void (K::*method)(int) const>
253 void once (int fd, int events, tstamp timeout, const K *object)
254 {
255 once (fd, events, timeout, const_method_thunk<K, method>, object);
256 }
257
258 template<class K, void (K::*method)(int) const>
259 static void const_method_thunk (int revents, void* arg)
260 {
261 K *obj = static_cast<K *>(arg);
262 (obj->*method) (revents);
263 }
264
265 // simple method callback
266 template<class K, void (K::*method)()>
267 void once (int fd, int events, tstamp timeout, K *object)
268 {
269 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
270 }
271
272 template<class K, void (K::*method)()>
273 static void method_noargs_thunk (int revents, void* arg)
274 {
275 K *obj = static_cast<K *>(arg);
276 (obj->*method) ();
277 }
278
279 // simpler function callback
280 template<void (*cb)(int)>
281 void once (int fd, int events, tstamp timeout)
282 {
283 once (fd, events, timeout, simpler_func_thunk<cb>);
284 }
285
286 template<void (*cb)(int)>
287 static void simpler_func_thunk (int revents, void* arg)
288 {
289 (*cb) (revents);
290 }
291
292 // simplest function callback
293 template<void (*cb)()>
294 void once (int fd, int events, tstamp timeout)
295 {
296 once (fd, events, timeout, simplest_func_thunk<cb>);
297 }
298
299 template<void (*cb)()>
300 static void simplest_func_thunk (int revents, void* arg)
301 {
302 (*cb) ();
303 }
304
305 void feed_fd_event (int fd, int revents)
306 {
307 ev_feed_fd_event (EV_AX_ fd, revents);
308 }
309
310 void feed_signal_event (int signum)
311 {
312 ev_feed_signal_event (EV_AX_ signum);
313 }
314
315#if EV_MULTIPLICITY
316 struct ev_loop* EV_AX;
317#endif
318
319 };
320
321#if EV_MULTIPLICITY
322 struct dynamic_loop: loop_ref
323 {
324
325 dynamic_loop (unsigned int flags = AUTO)
326 : loop_ref (ev_loop_new (flags))
327 {
328 }
329
330 ~dynamic_loop ()
331 {
332 ev_loop_destroy (EV_AX);
333 EV_AX = 0;
334 }
335
336 private:
337
338 dynamic_loop (const dynamic_loop &);
339
340 dynamic_loop & operator= (const dynamic_loop &);
341
342 };
343#endif
344
345 struct default_loop: loop_ref
346 {
347
348 default_loop (unsigned int flags = AUTO)
349#if EV_MULTIPLICITY
350 : loop_ref (ev_default_loop (flags))
351 {
352 }
353#else
354 {
355 ev_default_loop (flags);
356 }
357#endif
358
359 ~default_loop ()
360 {
361 ev_default_destroy ();
362#if EV_MULTIPLICITY
363 EV_AX = 0;
364#endif
365 }
366
367 private:
368
369 default_loop (const default_loop &);
370
371 default_loop & operator= (const default_loop &);
372
373 };
374
375 inline loop_ref get_default_loop ()
376 {
377#if EV_MULTIPLICITY
378 return ev_default_loop (0);
379#else
380 return loop_ref ();
381#endif
382 }
383
384#undef EV_AX
385#undef EV_AX_
386
387#undef EV_PX
388#undef EV_PX_
389#if EV_MULTIPLICITY
390# define EV_PX loop_ref EV_A
391# define EV_PX_ loop_ref EV_A_
392#else
393# define EV_PX
394# define EV_PX_
395#endif
396
397 template<class ev_watcher, class watcher>
398 struct base : ev_watcher
399 {
400 #if EV_MULTIPLICITY
401 EV_PX;
402
403 void set (EV_PX)
404 {
405 this->EV_A = EV_A;
406 }
407 #endif
408
409 base (EV_PX)
410 #if EV_MULTIPLICITY
411 : EV_A (EV_A)
412 #endif
413 {
414 ev_init (this, 0);
415 }
416
417 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
418 {
419 this->data = data;
420 ev_set_cb (static_cast<ev_watcher *>(this), cb);
421 }
422
423 // method callback
424 template<class K, void (K::*method)(watcher &w, int)>
425 void set (K *object)
426 {
427 set_ (object, method_thunk<K, method>);
428 }
429
430 template<class K, void (K::*method)(watcher &w, int)>
431 static void method_thunk (EV_P_ ev_watcher *w, int revents)
432 {
433 K *obj = static_cast<K *>(w->data);
434 (obj->*method) (*static_cast<watcher *>(w), revents);
435 }
436
437 // const method callback
438 template<class K, void (K::*method)(watcher &w, int) const>
439 void set (const K *object)
440 {
441 set_ (object, const_method_thunk<K, method>);
442 }
443
444 template<class K, void (K::*method)(watcher &w, int) const>
445 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
446 {
447 K *obj = static_cast<K *>(w->data);
448 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
449 }
450
451 // function callback
452 template<void (*function)(watcher &w, int)>
453 void set (void *data = 0)
454 {
455 set_ (data, function_thunk<function>);
456 }
457
458 template<void (*function)(watcher &w, int)>
459 static void function_thunk (EV_P_ ev_watcher *w, int revents)
460 {
461 function (*static_cast<watcher *>(w), revents);
462 }
463
464 // simple callback
465 template<class K, void (K::*method)()>
466 void set (K *object)
467 {
468 set_ (object, method_noargs_thunk<K, method>);
469 }
470
471 template<class K, void (K::*method)()>
472 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
473 {
474 K *obj = static_cast<K *>(w->data);
475 (obj->*method) ();
476 }
477
478 void operator ()(int events = EV_UNDEF)
479 {
480 return ev_cb (static_cast<ev_watcher *>(this))
481 (static_cast<ev_watcher *>(this), events);
482 }
483
484 bool is_active () const
485 {
486 return ev_is_active (static_cast<const ev_watcher *>(this));
487 }
488
489 bool is_pending () const
490 {
491 return ev_is_pending (static_cast<const ev_watcher *>(this));
492 }
493
494 void feed_event (int revents)
495 {
496 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
497 }
498 };
499
500 inline void delay (tstamp interval)
501 {
502 ev_sleep (interval);
503 }
504
505 inline int version_major ()
506 {
507 return ev_version_major ();
508 }
509
510 inline int version_minor ()
511 {
512 return ev_version_minor ();
513 }
514
515 inline unsigned int supported_backends ()
516 {
517 return ev_supported_backends ();
518 }
519
520 inline unsigned int recommended_backends ()
521 {
522 return ev_recommended_backends ();
523 }
524
525 inline unsigned int embeddable_backends ()
526 {
527 return ev_embeddable_backends ();
528 }
529
530 inline void set_allocator (void *(*cb)(void *ptr, long size))
531 {
532 ev_set_allocator (cb);
533 }
534
535 inline void set_syserr_cb (void (*cb)(const char *msg))
536 {
537 ev_set_syserr_cb (cb);
69 } 538 }
70 539
71 #if EV_MULTIPLICITY 540 #if EV_MULTIPLICITY
72 541 #define EV_CONSTRUCT(cppstem,cstem) \
73 #define EV_CONSTRUCT(cppstem) \ 542 (EV_PX = get_default_loop ()) \
74 EV_P; \ 543 : base<ev_ ## cstem, cppstem> (EV_A) \
75 \
76 void set (EV_P) \
77 { \ 544 { \
78 this->EV_A = EV_A; \ 545 }
79 } \
80 \
81 template<class O1, class O2> \
82 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \
83 : callback<cppstem> (object, method), EV_A (EV_A)
84
85 #else 546 #else
86 547 #define EV_CONSTRUCT(cppstem,cstem) \
87 #define EV_CONSTRUCT(cppstem) \ 548 () \
88 template<class O1, class O2> \ 549 { \
89 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 550 }
90 : callback<cppstem> (object, method)
91
92 #endif 551 #endif
93 552
94 /* using a template here would require quite a bit more lines, 553 /* using a template here would require quite a bit more lines,
95 * so a macro solution was chosen */ 554 * so a macro solution was chosen */
96 #define EV_DECLARE_WATCHER(cppstem,cstem) \ 555 #define EV_BEGIN_WATCHER(cppstem,cstem) \
97 \ 556 \
98 extern "C" void cb_ ## cppstem (struct ev_ ## cstem *w, int revents); \
99 \
100 struct cppstem : ev_ ## cstem, callback<cppstem> \ 557 struct cppstem : base<ev_ ## cstem, cppstem> \
101 { \ 558 { \
102 EV_CONSTRUCT (cppstem) \
103 { \
104 ev_init (static_cast<ev_ ## cstem *>(this), cb_ ## cppstem); \
105 } \
106 \
107 bool is_active () const \
108 { \
109 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
110 } \
111 \
112 bool is_pending () const \
113 { \
114 return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \
115 } \
116 \
117 void start () \ 559 void start () \
118 { \ 560 { \
119 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 561 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
120 } \ 562 } \
121 \ 563 \
122 void stop () \ 564 void stop () \
123 { \ 565 { \
124 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 566 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
125 } \ 567 } \
126 \ 568 \
127 void operator ()(int events = EV_UNDEF) \ 569 cppstem EV_CONSTRUCT(cppstem,cstem) \
570 \
571 ~cppstem () \
128 { \ 572 { \
129 return call (this, events); \ 573 stop (); \
130 } \ 574 } \
131 \ 575 \
576 using base<ev_ ## cstem, cppstem>::set; \
577 \
132 private: \ 578 private: \
133 \ 579 \
134 cppstem (const cppstem &o) \ 580 cppstem (const cppstem &o); \
135 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ 581 \
136 { /* disabled */ } \ 582 cppstem & operator =(const cppstem &o); \
137 void operator =(const cppstem &o) { /* disabled */ } \
138 \ 583 \
139 public: 584 public:
140 585
586 #define EV_END_WATCHER(cppstem,cstem) \
587 };
588
141 EV_DECLARE_WATCHER (io, io) 589 EV_BEGIN_WATCHER (io, io)
142 void set (int fd, int events) 590 void set (int fd, int events)
143 { 591 {
144 int active = is_active (); 592 int active = is_active ();
145 if (active) stop (); 593 if (active) stop ();
146 ev_io_set (static_cast<ev_io *>(this), fd, events); 594 ev_io_set (static_cast<ev_io *>(this), fd, events);
… …
158 void start (int fd, int events) 606 void start (int fd, int events)
159 { 607 {
160 set (fd, events); 608 set (fd, events);
161 start (); 609 start ();
162 } 610 }
163 }; 611 EV_END_WATCHER (io, io)
164 612
165 EV_DECLARE_WATCHER (timer, timer) 613 EV_BEGIN_WATCHER (timer, timer)
166 void set (ev_tstamp after, ev_tstamp repeat = 0.) 614 void set (ev_tstamp after, ev_tstamp repeat = 0.)
167 { 615 {
168 int active = is_active (); 616 int active = is_active ();
169 if (active) stop (); 617 if (active) stop ();
170 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 618 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
… …
179 627
180 void again () 628 void again ()
181 { 629 {
182 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 630 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
183 } 631 }
184 }; 632 EV_END_WATCHER (timer, timer)
185 633
634 #if EV_PERIODIC_ENABLE
186 EV_DECLARE_WATCHER (periodic, periodic) 635 EV_BEGIN_WATCHER (periodic, periodic)
187 void set (ev_tstamp at, ev_tstamp interval = 0.) 636 void set (ev_tstamp at, ev_tstamp interval = 0.)
188 { 637 {
189 int active = is_active (); 638 int active = is_active ();
190 if (active) stop (); 639 if (active) stop ();
191 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 640 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
… …
200 649
201 void again () 650 void again ()
202 { 651 {
203 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 652 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
204 } 653 }
205 }; 654 EV_END_WATCHER (periodic, periodic)
655 #endif
206 656
207 EV_DECLARE_WATCHER (idle, idle)
208 };
209
210 EV_DECLARE_WATCHER (prepare, prepare)
211 };
212
213 EV_DECLARE_WATCHER (check, check)
214 };
215
216 EV_DECLARE_WATCHER (sig, signal) 657 EV_BEGIN_WATCHER (sig, signal)
217 void set (int signum) 658 void set (int signum)
218 { 659 {
219 int active = is_active (); 660 int active = is_active ();
220 if (active) stop (); 661 if (active) stop ();
221 ev_signal_set (static_cast<ev_signal *>(this), signum); 662 ev_signal_set (static_cast<ev_signal *>(this), signum);
… …
225 void start (int signum) 666 void start (int signum)
226 { 667 {
227 set (signum); 668 set (signum);
228 start (); 669 start ();
229 } 670 }
230 }; 671 EV_END_WATCHER (sig, signal)
231 672
232 EV_DECLARE_WATCHER (child, child) 673 EV_BEGIN_WATCHER (child, child)
233 void set (int pid) 674 void set (int pid)
234 { 675 {
235 int active = is_active (); 676 int active = is_active ();
236 if (active) stop (); 677 if (active) stop ();
237 ev_child_set (static_cast<ev_child *>(this), pid); 678 ev_child_set (static_cast<ev_child *>(this), pid);
… …
241 void start (int pid) 682 void start (int pid)
242 { 683 {
243 set (pid); 684 set (pid);
244 start (); 685 start ();
245 } 686 }
246 }; 687 EV_END_WATCHER (child, child)
247 688
689 #if EV_STAT_ENABLE
690 EV_BEGIN_WATCHER (stat, stat)
691 void set (const char *path, ev_tstamp interval = 0.)
692 {
693 int active = is_active ();
694 if (active) stop ();
695 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
696 if (active) start ();
697 }
698
699 void start (const char *path, ev_tstamp interval = 0.)
700 {
701 stop ();
702 set (path, interval);
703 start ();
704 }
705
706 void update ()
707 {
708 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
709 }
710 EV_END_WATCHER (stat, stat)
711 #endif
712
713 EV_BEGIN_WATCHER (idle, idle)
714 void set () { }
715 EV_END_WATCHER (idle, idle)
716
717 EV_BEGIN_WATCHER (prepare, prepare)
718 void set () { }
719 EV_END_WATCHER (prepare, prepare)
720
721 EV_BEGIN_WATCHER (check, check)
722 void set () { }
723 EV_END_WATCHER (check, check)
724
725 #if EV_EMBED_ENABLE
726 EV_BEGIN_WATCHER (embed, embed)
727 void start (struct ev_loop *embedded_loop)
728 {
729 stop ();
730 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
731 start ();
732 }
733
734 void sweep ()
735 {
736 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
737 }
738 EV_END_WATCHER (embed, embed)
739 #endif
740
741 #if EV_FORK_ENABLE
742 EV_BEGIN_WATCHER (fork, fork)
743 void set () { }
744 EV_END_WATCHER (fork, fork)
745 #endif
746
747 #undef EV_PX
748 #undef EV_PX_
248 #undef EV_CONSTRUCT 749 #undef EV_CONSTRUCT
750 #undef EV_BEGIN_WATCHER
249 #undef EV_DECLARE_WATCHER 751 #undef EV_END_WATCHER
752
250} 753}
251 754
252#endif 755#endif
253 756

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