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Comparing libev/ev++.h (file contents):
Revision 1.7 by root, Sat Nov 24 09:48:37 2007 UTC vs.
Revision 1.64 by root, Thu Oct 25 03:11:04 2018 UTC

1/*
2 * libev simple C++ wrapper classes
3 *
4 * Copyright (c) 2007,2008,2010 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,
51 WRITE = EV_WRITE, 65 WRITE = EV_WRITE,
66#if EV_COMPAT3
52 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
68#endif
69 TIMER = EV_TIMER,
53 PERIODIC = EV_PERIODIC, 70 PERIODIC = EV_PERIODIC,
54 SIGNAL = EV_SIGNAL, 71 SIGNAL = EV_SIGNAL,
72 CHILD = EV_CHILD,
73 STAT = EV_STAT,
55 IDLE = EV_IDLE, 74 IDLE = EV_IDLE,
56 CHECK = EV_CHECK, 75 CHECK = EV_CHECK,
57 PREPARE = EV_PREPARE, 76 PREPARE = EV_PREPARE,
58 CHILD = EV_CHILD, 77 FORK = EV_FORK,
78 ASYNC = EV_ASYNC,
79 EMBED = EV_EMBED,
80# undef ERROR // some systems stupidly #define ERROR
59 ERROR = EV_ERROR, 81 ERROR = EV_ERROR
82 };
83
84 enum
85 {
86 AUTO = EVFLAG_AUTO,
87 NOENV = EVFLAG_NOENV,
88 FORKCHECK = EVFLAG_FORKCHECK,
89
90 SELECT = EVBACKEND_SELECT,
91 POLL = EVBACKEND_POLL,
92 EPOLL = EVBACKEND_EPOLL,
93 KQUEUE = EVBACKEND_KQUEUE,
94 DEVPOLL = EVBACKEND_DEVPOLL,
95 PORT = EVBACKEND_PORT
96 };
97
98 enum
99 {
100#if EV_COMPAT3
101 NONBLOCK = EVLOOP_NONBLOCK,
102 ONESHOT = EVLOOP_ONESHOT,
103#endif
104 NOWAIT = EVRUN_NOWAIT,
105 ONCE = EVRUN_ONCE
106 };
107
108 enum how_t
109 {
110 ONE = EVBREAK_ONE,
111 ALL = EVBREAK_ALL
112 };
113
114 struct bad_loop
115#if EV_USE_STDEXCEPT
116 : std::exception
117#endif
118 {
119#if EV_USE_STDEXCEPT
120 const char *what () const EV_NOEXCEPT
121 {
122 return "libev event loop cannot be initialized, bad value of LIBEV_FLAGS?";
123 }
124#endif
125 };
126
127#ifdef EV_AX
128# undef EV_AX
129#endif
130
131#ifdef EV_AX_
132# undef EV_AX_
133#endif
134
135#if EV_MULTIPLICITY
136# define EV_AX raw_loop
137# define EV_AX_ raw_loop,
138#else
139# define EV_AX
140# define EV_AX_
141#endif
142
143 struct loop_ref
144 {
145 loop_ref (EV_P) EV_NOEXCEPT
146#if EV_MULTIPLICITY
147 : EV_AX (EV_A)
148#endif
149 {
150 }
151
152 bool operator == (const loop_ref &other) const EV_NOEXCEPT
153 {
154#if EV_MULTIPLICITY
155 return EV_AX == other.EV_AX;
156#else
157 return true;
158#endif
159 }
160
161 bool operator != (const loop_ref &other) const EV_NOEXCEPT
162 {
163#if EV_MULTIPLICITY
164 return ! (*this == other);
165#else
166 return false;
167#endif
168 }
169
170#if EV_MULTIPLICITY
171 bool operator == (const EV_P) const EV_NOEXCEPT
172 {
173 return this->EV_AX == EV_A;
174 }
175
176 bool operator != (const EV_P) const EV_NOEXCEPT
177 {
178 return ! (*this == EV_A);
179 }
180
181 operator struct ev_loop * () const EV_NOEXCEPT
182 {
183 return EV_AX;
184 }
185
186 operator const struct ev_loop * () const EV_NOEXCEPT
187 {
188 return EV_AX;
189 }
190
191 bool is_default () const EV_NOEXCEPT
192 {
193 return EV_AX == ev_default_loop (0);
194 }
195#endif
196
197#if EV_COMPAT3
198 void loop (int flags = 0)
199 {
200 ev_run (EV_AX_ flags);
201 }
202
203 void unloop (how_t how = ONE) EV_NOEXCEPT
204 {
205 ev_break (EV_AX_ how);
206 }
207#endif
208
209 void run (int flags = 0)
210 {
211 ev_run (EV_AX_ flags);
212 }
213
214 void break_loop (how_t how = ONE) EV_NOEXCEPT
215 {
216 ev_break (EV_AX_ how);
217 }
218
219 void post_fork () EV_NOEXCEPT
220 {
221 ev_loop_fork (EV_AX);
222 }
223
224 unsigned int backend () const EV_NOEXCEPT
225 {
226 return ev_backend (EV_AX);
227 }
228
229 tstamp now () const EV_NOEXCEPT
230 {
231 return ev_now (EV_AX);
232 }
233
234 void ref () EV_NOEXCEPT
235 {
236 ev_ref (EV_AX);
237 }
238
239 void unref () EV_NOEXCEPT
240 {
241 ev_unref (EV_AX);
242 }
243
244#if EV_FEATURE_API
245 unsigned int iteration () const EV_NOEXCEPT
246 {
247 return ev_iteration (EV_AX);
248 }
249
250 unsigned int depth () const EV_NOEXCEPT
251 {
252 return ev_depth (EV_AX);
253 }
254
255 void set_io_collect_interval (tstamp interval) EV_NOEXCEPT
256 {
257 ev_set_io_collect_interval (EV_AX_ interval);
258 }
259
260 void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT
261 {
262 ev_set_timeout_collect_interval (EV_AX_ interval);
263 }
264#endif
265
266 // function callback
267 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT
268 {
269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
270 }
271
272 // method callback
273 template<class K, void (K::*method)(int)>
274 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
275 {
276 once (fd, events, timeout, method_thunk<K, method>, object);
277 }
278
279 // default method == operator ()
280 template<class K>
281 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
282 {
283 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
284 }
285
286 template<class K, void (K::*method)(int)>
287 static void method_thunk (int revents, void *arg)
288 {
289 (static_cast<K *>(arg)->*method)
290 (revents);
291 }
292
293 // no-argument method callback
294 template<class K, void (K::*method)()>
295 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
296 {
297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
298 }
299
300 template<class K, void (K::*method)()>
301 static void method_noargs_thunk (int revents, void *arg)
302 {
303 (static_cast<K *>(arg)->*method)
304 ();
305 }
306
307 // simpler function callback
308 template<void (*cb)(int)>
309 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
310 {
311 once (fd, events, timeout, simpler_func_thunk<cb>);
312 }
313
314 template<void (*cb)(int)>
315 static void simpler_func_thunk (int revents, void *arg)
316 {
317 (*cb)
318 (revents);
319 }
320
321 // simplest function callback
322 template<void (*cb)()>
323 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
324 {
325 once (fd, events, timeout, simplest_func_thunk<cb>);
326 }
327
328 template<void (*cb)()>
329 static void simplest_func_thunk (int revents, void *arg)
330 {
331 (*cb)
332 ();
333 }
334
335 void feed_fd_event (int fd, int revents) EV_NOEXCEPT
336 {
337 ev_feed_fd_event (EV_AX_ fd, revents);
338 }
339
340 void feed_signal_event (int signum) EV_NOEXCEPT
341 {
342 ev_feed_signal_event (EV_AX_ signum);
343 }
344
345#if EV_MULTIPLICITY
346 struct ev_loop* EV_AX;
347#endif
348
349 };
350
351#if EV_MULTIPLICITY
352 struct dynamic_loop : loop_ref
353 {
354
355 dynamic_loop (unsigned int flags = AUTO)
356 : loop_ref (ev_loop_new (flags))
357 {
358 if (!EV_AX)
359 throw bad_loop ();
360 }
361
362 ~dynamic_loop () EV_NOEXCEPT
363 {
364 ev_loop_destroy (EV_AX);
365 EV_AX = 0;
366 }
367
368 private:
369
370 dynamic_loop (const dynamic_loop &);
371
372 dynamic_loop & operator= (const dynamic_loop &);
373
374 };
375#endif
376
377 struct default_loop : loop_ref
378 {
379 default_loop (unsigned int flags = AUTO)
380#if EV_MULTIPLICITY
381 : loop_ref (ev_default_loop (flags))
382#endif
383 {
384 if (
385#if EV_MULTIPLICITY
386 !EV_AX
387#else
388 !ev_default_loop (flags)
389#endif
390 )
391 throw bad_loop ();
392 }
393
394 private:
395 default_loop (const default_loop &);
396 default_loop &operator = (const default_loop &);
397 };
398
399 inline loop_ref get_default_loop () EV_NOEXCEPT
400 {
401#if EV_MULTIPLICITY
402 return ev_default_loop (0);
403#else
404 return loop_ref ();
405#endif
60 }; 406 }
61 407
62 typedef ev_tstamp tstamp; 408#undef EV_AX
409#undef EV_AX_
63 410
411#undef EV_PX
412#undef EV_PX_
413#if EV_MULTIPLICITY
414# define EV_PX loop_ref EV_A
415# define EV_PX_ loop_ref EV_A_
416#else
417# define EV_PX
418# define EV_PX_
419#endif
420
421 template<class ev_watcher, class watcher>
422 struct base : ev_watcher
423 {
424 #if EV_MULTIPLICITY
425 EV_PX;
426
427 // loop set
428 void set (EV_P) EV_NOEXCEPT
429 {
430 this->EV_A = EV_A;
431 }
432 #endif
433
434 base (EV_PX) EV_NOEXCEPT
435 #if EV_MULTIPLICITY
436 : EV_A (EV_A)
437 #endif
438 {
439 ev_init (this, 0);
440 }
441
442 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_NOEXCEPT
443 {
444 this->data = (void *)data;
445 ev_set_cb (static_cast<ev_watcher *>(this), cb);
446 }
447
448 // function callback
449 template<void (*function)(watcher &w, int)>
450 void set (void *data = 0) EV_NOEXCEPT
451 {
452 set_ (data, function_thunk<function>);
453 }
454
455 template<void (*function)(watcher &w, int)>
456 static void function_thunk (EV_P_ ev_watcher *w, int revents)
457 {
458 function
459 (*static_cast<watcher *>(w), revents);
460 }
461
462 // method callback
463 template<class K, void (K::*method)(watcher &w, int)>
464 void set (K *object) EV_NOEXCEPT
465 {
466 set_ (object, method_thunk<K, method>);
467 }
468
469 // default method == operator ()
470 template<class K>
471 void set (K *object) EV_NOEXCEPT
472 {
473 set_ (object, method_thunk<K, &K::operator ()>);
474 }
475
476 template<class K, void (K::*method)(watcher &w, int)>
477 static void method_thunk (EV_P_ ev_watcher *w, int revents)
478 {
479 (static_cast<K *>(w->data)->*method)
480 (*static_cast<watcher *>(w), revents);
481 }
482
483 // no-argument callback
484 template<class K, void (K::*method)()>
485 void set (K *object) EV_NOEXCEPT
486 {
487 set_ (object, method_noargs_thunk<K, method>);
488 }
489
490 template<class K, void (K::*method)()>
491 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
492 {
493 (static_cast<K *>(w->data)->*method)
494 ();
495 }
496
497 void operator ()(int events = EV_UNDEF)
498 {
499 return
500 ev_cb (static_cast<ev_watcher *>(this))
501 (static_cast<ev_watcher *>(this), events);
502 }
503
504 bool is_active () const EV_NOEXCEPT
505 {
506 return ev_is_active (static_cast<const ev_watcher *>(this));
507 }
508
509 bool is_pending () const EV_NOEXCEPT
510 {
511 return ev_is_pending (static_cast<const ev_watcher *>(this));
512 }
513
514 void feed_event (int revents) EV_NOEXCEPT
515 {
516 ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents);
517 }
518 };
519
64 inline ev_tstamp now (EV_P) 520 inline tstamp now (EV_P) EV_NOEXCEPT
65 { 521 {
66 return ev_now (EV_A); 522 return ev_now (EV_A);
67 } 523 }
68 524
525 inline void delay (tstamp interval) EV_NOEXCEPT
526 {
527 ev_sleep (interval);
528 }
529
530 inline int version_major () EV_NOEXCEPT
531 {
532 return ev_version_major ();
533 }
534
535 inline int version_minor () EV_NOEXCEPT
536 {
537 return ev_version_minor ();
538 }
539
540 inline unsigned int supported_backends () EV_NOEXCEPT
541 {
542 return ev_supported_backends ();
543 }
544
545 inline unsigned int recommended_backends () EV_NOEXCEPT
546 {
547 return ev_recommended_backends ();
548 }
549
550 inline unsigned int embeddable_backends () EV_NOEXCEPT
551 {
552 return ev_embeddable_backends ();
553 }
554
555 inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
556 {
557 ev_set_allocator (cb);
558 }
559
560 inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
561 {
562 ev_set_syserr_cb (cb);
563 }
564
69 #if EV_MULTIPLICITY 565 #if EV_MULTIPLICITY
70 566 #define EV_CONSTRUCT(cppstem,cstem) \
71 #define EV_CONSTRUCT(cppstem) \ 567 (EV_PX = get_default_loop ()) EV_NOEXCEPT \
72 EV_P; \ 568 : base<ev_ ## cstem, cppstem> (EV_A) \
73 \
74 void set (EV_P) \
75 { \ 569 { \
76 this->EV_A = EV_A; \ 570 }
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 571 #else
84 572 #define EV_CONSTRUCT(cppstem,cstem) \
85 #define EV_CONSTRUCT(cppstem) \ 573 () EV_NOEXCEPT \
86 template<class O1, class O2> \ 574 { \
87 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 575 }
88 : callback<cppstem> (object, method)
89
90 #endif 576 #endif
91 577
92 /* using a template here would require quite a bit more lines, 578 /* using a template here would require quite a few more lines,
93 * so a macro solution was chosen */ 579 * so a macro solution was chosen */
94 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 580 #define EV_BEGIN_WATCHER(cppstem,cstem) \
95 \ 581 \
96 struct cppstem : ev_ ## cstem, callback<cppstem> \ 582 struct cppstem : base<ev_ ## cstem, cppstem> \
97 { \ 583 { \
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 () \ 584 void start () EV_NOEXCEPT \
114 { \ 585 { \
115 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 586 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
116 } \ 587 } \
117 \ 588 \
118 void stop () \ 589 void stop () EV_NOEXCEPT \
119 { \ 590 { \
120 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 591 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
121 } \ 592 } \
122 \ 593 \
123 void operator ()(int events = EV_UNDEF) \ 594 cppstem EV_CONSTRUCT(cppstem,cstem) \
124 { \
125 return call (this, events); \
126 } \
127 \ 595 \
128 ~cppstem () \ 596 ~cppstem () EV_NOEXCEPT \
129 { \ 597 { \
130 stop (); \ 598 stop (); \
131 } \ 599 } \
132 \ 600 \
601 using base<ev_ ## cstem, cppstem>::set; \
602 \
133 private: \ 603 private: \
134 \ 604 \
135 cppstem (const cppstem &o) \ 605 cppstem (const cppstem &o); \
136 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
137 { /* disabled */ } \
138 \ 606 \
139 void operator =(const cppstem &o) { /* disabled */ } \ 607 cppstem &operator =(const cppstem &o); \
140 \
141 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
142 { \
143 (*static_cast<cppstem *>(w))(revents); \
144 } \
145 \ 608 \
146 public: 609 public:
147 610
148 #define EV_END_WATCHER(cppstem,cstem) \ 611 #define EV_END_WATCHER(cppstem,cstem) \
149 }; 612 };
150 613
151 EV_BEGIN_WATCHER (io, io) 614 EV_BEGIN_WATCHER (io, io)
152 void set (int fd, int events) 615 void set (int fd, int events) EV_NOEXCEPT
153 { 616 {
154 int active = is_active (); 617 int active = is_active ();
155 if (active) stop (); 618 if (active) stop ();
156 ev_io_set (static_cast<ev_io *>(this), fd, events); 619 ev_io_set (static_cast<ev_io *>(this), fd, events);
157 if (active) start (); 620 if (active) start ();
158 } 621 }
159 622
160 void set (int events) 623 void set (int events) EV_NOEXCEPT
161 { 624 {
162 int active = is_active (); 625 int active = is_active ();
163 if (active) stop (); 626 if (active) stop ();
164 ev_io_set (static_cast<ev_io *>(this), fd, events); 627 ev_io_set (static_cast<ev_io *>(this), fd, events);
165 if (active) start (); 628 if (active) start ();
166 } 629 }
167 630
168 void start (int fd, int events) 631 void start (int fd, int events) EV_NOEXCEPT
169 { 632 {
170 set (fd, events); 633 set (fd, events);
171 start (); 634 start ();
172 } 635 }
173 EV_END_WATCHER (io, io) 636 EV_END_WATCHER (io, io)
174 637
175 EV_BEGIN_WATCHER (timer, timer) 638 EV_BEGIN_WATCHER (timer, timer)
176 void set (ev_tstamp after, ev_tstamp repeat = 0.) 639 void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
177 { 640 {
178 int active = is_active (); 641 int active = is_active ();
179 if (active) stop (); 642 if (active) stop ();
180 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 643 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
181 if (active) start (); 644 if (active) start ();
182 } 645 }
183 646
184 void start (ev_tstamp after, ev_tstamp repeat = 0.) 647 void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
185 { 648 {
186 set (after, repeat); 649 set (after, repeat);
187 start (); 650 start ();
188 } 651 }
189 652
190 void again () 653 void again () EV_NOEXCEPT
191 { 654 {
192 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 655 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
193 } 656 }
657
658 ev_tstamp remaining ()
659 {
660 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
661 }
194 EV_END_WATCHER (timer, timer) 662 EV_END_WATCHER (timer, timer)
195 663
196 #if EV_PERIODICS 664 #if EV_PERIODIC_ENABLE
197 EV_BEGIN_WATCHER (periodic, periodic) 665 EV_BEGIN_WATCHER (periodic, periodic)
198 void set (ev_tstamp at, ev_tstamp interval = 0.) 666 void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
199 { 667 {
200 int active = is_active (); 668 int active = is_active ();
201 if (active) stop (); 669 if (active) stop ();
202 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 670 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
203 if (active) start (); 671 if (active) start ();
204 } 672 }
205 673
206 void start (ev_tstamp at, ev_tstamp interval = 0.) 674 void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
207 { 675 {
208 set (at, interval); 676 set (at, interval);
209 start (); 677 start ();
210 } 678 }
211 679
212 void again () 680 void again () EV_NOEXCEPT
213 { 681 {
214 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 682 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
215 } 683 }
216 EV_END_WATCHER (periodic, periodic) 684 EV_END_WATCHER (periodic, periodic)
217 #endif 685 #endif
218 686
219 EV_BEGIN_WATCHER (idle, idle) 687 #if EV_SIGNAL_ENABLE
220 void set () { }
221 EV_END_WATCHER (idle, idle)
222
223 EV_BEGIN_WATCHER (prepare, prepare)
224 void set () { }
225 EV_END_WATCHER (prepare, prepare)
226
227 EV_BEGIN_WATCHER (check, check)
228 void set () { }
229 EV_END_WATCHER (check, check)
230
231 EV_BEGIN_WATCHER (sig, signal) 688 EV_BEGIN_WATCHER (sig, signal)
232 void set (int signum) 689 void set (int signum) EV_NOEXCEPT
233 { 690 {
234 int active = is_active (); 691 int active = is_active ();
235 if (active) stop (); 692 if (active) stop ();
236 ev_signal_set (static_cast<ev_signal *>(this), signum); 693 ev_signal_set (static_cast<ev_signal *>(this), signum);
237 if (active) start (); 694 if (active) start ();
238 } 695 }
239 696
240 void start (int signum) 697 void start (int signum) EV_NOEXCEPT
241 { 698 {
242 set (signum); 699 set (signum);
243 start (); 700 start ();
244 } 701 }
245 EV_END_WATCHER (sig, signal) 702 EV_END_WATCHER (sig, signal)
703 #endif
246 704
705 #if EV_CHILD_ENABLE
247 EV_BEGIN_WATCHER (child, child) 706 EV_BEGIN_WATCHER (child, child)
248 void set (int pid) 707 void set (int pid, int trace = 0) EV_NOEXCEPT
249 { 708 {
250 int active = is_active (); 709 int active = is_active ();
251 if (active) stop (); 710 if (active) stop ();
252 ev_child_set (static_cast<ev_child *>(this), pid); 711 ev_child_set (static_cast<ev_child *>(this), pid, trace);
253 if (active) start (); 712 if (active) start ();
254 } 713 }
255 714
256 void start (int pid) 715 void start (int pid, int trace = 0) EV_NOEXCEPT
257 { 716 {
258 set (pid); 717 set (pid, trace);
259 start (); 718 start ();
260 } 719 }
261 EV_END_WATCHER (child, child) 720 EV_END_WATCHER (child, child)
721 #endif
262 722
263 #if EV_MULTIPLICITY 723 #if EV_STAT_ENABLE
264 724 EV_BEGIN_WATCHER (stat, stat)
265 EV_BEGIN_WATCHER (embed, embed) 725 void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
266 void set (struct ev_loop *loop)
267 { 726 {
268 int active = is_active (); 727 int active = is_active ();
269 if (active) stop (); 728 if (active) stop ();
270 ev_embed_set (static_cast<ev_embed *>(this), loop); 729 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
271 if (active) start (); 730 if (active) start ();
272 } 731 }
273 732
733 void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
734 {
735 stop ();
736 set (path, interval);
737 start ();
738 }
739
740 void update () EV_NOEXCEPT
741 {
742 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
743 }
744 EV_END_WATCHER (stat, stat)
745 #endif
746
747 #if EV_IDLE_ENABLE
748 EV_BEGIN_WATCHER (idle, idle)
749 void set () EV_NOEXCEPT { }
750 EV_END_WATCHER (idle, idle)
751 #endif
752
753 #if EV_PREPARE_ENABLE
754 EV_BEGIN_WATCHER (prepare, prepare)
755 void set () EV_NOEXCEPT { }
756 EV_END_WATCHER (prepare, prepare)
757 #endif
758
759 #if EV_CHECK_ENABLE
760 EV_BEGIN_WATCHER (check, check)
761 void set () EV_NOEXCEPT { }
762 EV_END_WATCHER (check, check)
763 #endif
764
765 #if EV_EMBED_ENABLE
766 EV_BEGIN_WATCHER (embed, embed)
767 void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT
768 {
769 int active = is_active ();
770 if (active) stop ();
771 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
772 if (active) start ();
773 }
774
274 void start (struct ev_loop *embedded_loop) 775 void start (struct ev_loop *embedded_loop) EV_NOEXCEPT
275 { 776 {
276 set (embedded_loop); 777 set (embedded_loop);
277 start (); 778 start ();
278 } 779 }
279 780
280 void sweep () 781 void sweep ()
281 { 782 {
282 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); 783 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
283 } 784 }
284 EV_END_WATCHER (embed, embed) 785 EV_END_WATCHER (embed, embed)
285
286 #endif 786 #endif
287 787
788 #if EV_FORK_ENABLE
789 EV_BEGIN_WATCHER (fork, fork)
790 void set () EV_NOEXCEPT { }
791 EV_END_WATCHER (fork, fork)
792 #endif
793
794 #if EV_ASYNC_ENABLE
795 EV_BEGIN_WATCHER (async, async)
796 void send () EV_NOEXCEPT
797 {
798 ev_async_send (EV_A_ static_cast<ev_async *>(this));
799 }
800
801 bool async_pending () EV_NOEXCEPT
802 {
803 return ev_async_pending (static_cast<ev_async *>(this));
804 }
805 EV_END_WATCHER (async, async)
806 #endif
807
808 #undef EV_PX
809 #undef EV_PX_
288 #undef EV_CONSTRUCT 810 #undef EV_CONSTRUCT
289 #undef EV_BEGIN_WATCHER 811 #undef EV_BEGIN_WATCHER
290 #undef EV_END_WATCHER 812 #undef EV_END_WATCHER
291} 813}
292 814

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