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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 1.44 by root, Wed Dec 3 15:23:44 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 60
13 void *obj;
14 void (object::*meth)(watcher &, int);
15
16 /* a proxy is a kind of recipe on how to call a specific class method */
17 struct proxy_base {
18 virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int) const = 0;
19 };
20 template<class O1, class O2>
21 struct proxy : proxy_base {
22 virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int e) const
23 {
24 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(watcher &, int)>(meth)))
25 (w, e);
26 }
27 };
28
29 proxy_base *prxy;
30
31 public:
32 template<class O1, class O2>
33 explicit callback (O1 *object, void (O2::*method)(watcher &, int))
34 {
35 static proxy<O1,O2> p;
36 obj = reinterpret_cast<void *>(object);
37 meth = reinterpret_cast<void (object::*)(watcher &, int)>(method);
38 prxy = &p;
39 }
40
41 void call (watcher *w, int e) const
42 {
43 return prxy->call (obj, meth, *w, e);
44 }
45 };
46
47 enum { 61 enum
62 {
48 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
49 NONE = EV_NONE, 64 NONE = EV_NONE,
50 READ = EV_READ, 65 READ = EV_READ,
51 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
52 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
53 PERIODIC = EV_PERIODIC, 68 PERIODIC = EV_PERIODIC,
54 SIGNAL = EV_SIGNAL, 69 SIGNAL = EV_SIGNAL,
70 CHILD = EV_CHILD,
71 STAT = EV_STAT,
55 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
56 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
57 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
58 CHILD = EV_CHILD, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
59 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
60 }; 80 };
61 81
62 typedef ev_tstamp tstamp; 82 enum
83 {
84 AUTO = EVFLAG_AUTO,
85 NOENV = EVFLAG_NOENV,
86 FORKCHECK = EVFLAG_FORKCHECK,
63 87
64 inline ev_tstamp now (EV_P) 88 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT
94 };
95
96 enum
97 {
98 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT
100 };
101
102 enum how_t
103 {
104 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL
106 };
107
108 struct bad_loop
109#if EV_USE_STDEXCEPT
110 : std::runtime_error
111#endif
112 {
113#if EV_USE_STDEXCEPT
114 bad_loop ()
115 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
65 { 116 {
117 }
118#endif
119 };
120
121#ifdef EV_AX
122# undef EV_AX
123#endif
124
125#ifdef EV_AX_
126# undef EV_AX_
127#endif
128
129#if EV_MULTIPLICITY
130# define EV_AX raw_loop
131# define EV_AX_ raw_loop,
132#else
133# define EV_AX
134# define EV_AX_
135#endif
136
137 struct loop_ref
138 {
139 loop_ref (EV_P) throw ()
140#if EV_MULTIPLICITY
141 : EV_AX (EV_A)
142#endif
143 {
144 }
145
146 bool operator == (const loop_ref &other) const throw ()
147 {
148#if EV_MULTIPLICITY
149 return EV_AX == other.EV_AX;
150#else
151 return true;
152#endif
153 }
154
155 bool operator != (const loop_ref &other) const throw ()
156 {
157#if EV_MULTIPLICITY
158 return ! (*this == other);
159#else
160 return false;
161#endif
162 }
163
164#if EV_MULTIPLICITY
165 bool operator == (const EV_P) const throw ()
166 {
167 return this->EV_AX == EV_A;
168 }
169
170 bool operator != (const EV_P) const throw ()
171 {
172 return (*this == EV_A);
173 }
174
175 operator struct ev_loop * () const throw ()
176 {
177 return EV_AX;
178 }
179
180 operator const struct ev_loop * () const throw ()
181 {
182 return EV_AX;
183 }
184
185 bool is_default () const throw ()
186 {
187 return EV_AX == ev_default_loop (0);
188 }
189#endif
190
191 void loop (int flags = 0)
192 {
193 ev_loop (EV_AX_ flags);
194 }
195
196 void unloop (how_t how = ONE) throw ()
197 {
198 ev_unloop (EV_AX_ how);
199 }
200
201 void post_fork () throw ()
202 {
203#if EV_MULTIPLICITY
204 ev_loop_fork (EV_AX);
205#else
206 ev_default_fork ();
207#endif
208 }
209
210 unsigned int count () const throw ()
211 {
212 return ev_loop_count (EV_AX);
213 }
214
215 unsigned int backend () const throw ()
216 {
217 return ev_backend (EV_AX);
218 }
219
220 tstamp now () const throw ()
221 {
66 return ev_now (EV_A); 222 return ev_now (EV_AX);
223 }
224
225 void ref () throw ()
226 {
227 ev_ref (EV_AX);
228 }
229
230 void unref () throw ()
231 {
232 ev_unref (EV_AX);
233 }
234
235 void set_io_collect_interval (tstamp interval) throw ()
236 {
237 ev_set_io_collect_interval (EV_AX_ interval);
238 }
239
240 void set_timeout_collect_interval (tstamp interval) throw ()
241 {
242 ev_set_timeout_collect_interval (EV_AX_ interval);
243 }
244
245 // function callback
246 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
247 {
248 ev_once (EV_AX_ fd, events, timeout, cb, arg);
249 }
250
251 // method callback
252 template<class K, void (K::*method)(int)>
253 void once (int fd, int events, tstamp timeout, K *object) throw ()
254 {
255 once (fd, events, timeout, method_thunk<K, method>, object);
256 }
257
258 // default method == operator ()
259 template<class K>
260 void once (int fd, int events, tstamp timeout, K *object) throw ()
261 {
262 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
263 }
264
265 template<class K, void (K::*method)(int)>
266 static void method_thunk (int revents, void *arg)
267 {
268 static_cast<K *>(arg)->*method
269 (revents);
270 }
271
272 // no-argument method callback
273 template<class K, void (K::*method)()>
274 void once (int fd, int events, tstamp timeout, K *object) throw ()
275 {
276 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
277 }
278
279 template<class K, void (K::*method)()>
280 static void method_noargs_thunk (int revents, void *arg)
281 {
282 static_cast<K *>(arg)->*method
283 ();
284 }
285
286 // simpler function callback
287 template<void (*cb)(int)>
288 void once (int fd, int events, tstamp timeout) throw ()
289 {
290 once (fd, events, timeout, simpler_func_thunk<cb>);
291 }
292
293 template<void (*cb)(int)>
294 static void simpler_func_thunk (int revents, void *arg)
295 {
296 (*cb)
297 (revents);
298 }
299
300 // simplest function callback
301 template<void (*cb)()>
302 void once (int fd, int events, tstamp timeout) throw ()
303 {
304 once (fd, events, timeout, simplest_func_thunk<cb>);
305 }
306
307 template<void (*cb)()>
308 static void simplest_func_thunk (int revents, void *arg)
309 {
310 (*cb)
311 ();
312 }
313
314 void feed_fd_event (int fd, int revents) throw ()
315 {
316 ev_feed_fd_event (EV_AX_ fd, revents);
317 }
318
319 void feed_signal_event (int signum) throw ()
320 {
321 ev_feed_signal_event (EV_AX_ signum);
322 }
323
324#if EV_MULTIPLICITY
325 struct ev_loop* EV_AX;
326#endif
327
328 };
329
330#if EV_MULTIPLICITY
331 struct dynamic_loop : loop_ref
332 {
333
334 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
335 : loop_ref (ev_loop_new (flags))
336 {
337 if (!EV_AX)
338 throw bad_loop ();
339 }
340
341 ~dynamic_loop () throw ()
342 {
343 ev_loop_destroy (EV_AX);
344 EV_AX = 0;
345 }
346
347 private:
348
349 dynamic_loop (const dynamic_loop &);
350
351 dynamic_loop & operator= (const dynamic_loop &);
352
353 };
354#endif
355
356 struct default_loop : loop_ref
357 {
358 default_loop (unsigned int flags = AUTO) throw (bad_loop)
359#if EV_MULTIPLICITY
360 : loop_ref (ev_default_loop (flags))
361#endif
362 {
363 if (
364#if EV_MULTIPLICITY
365 !EV_AX
366#else
367 !ev_default_loop (flags)
368#endif
369 )
370 throw bad_loop ();
371 }
372
373 ~default_loop () throw ()
374 {
375 ev_default_destroy ();
376 }
377
378 private:
379 default_loop (const default_loop &);
380 default_loop &operator = (const default_loop &);
381 };
382
383 inline loop_ref get_default_loop () throw ()
384 {
385#if EV_MULTIPLICITY
386 return ev_default_loop (0);
387#else
388 return loop_ref ();
389#endif
390 }
391
392#undef EV_AX
393#undef EV_AX_
394
395#undef EV_PX
396#undef EV_PX_
397#if EV_MULTIPLICITY
398# define EV_PX loop_ref EV_A
399# define EV_PX_ loop_ref EV_A_
400#else
401# define EV_PX
402# define EV_PX_
403#endif
404
405 template<class ev_watcher, class watcher>
406 struct base : ev_watcher
407 {
408 #if EV_MULTIPLICITY
409 EV_PX;
410
411 void set (EV_P) throw ()
412 {
413 this->EV_A = EV_A;
414 }
415 #endif
416
417 base (EV_PX) throw ()
418 #if EV_MULTIPLICITY
419 : EV_A (EV_A)
420 #endif
421 {
422 ev_init (this, 0);
423 }
424
425 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
426 {
427 this->data = (void *)data;
428 ev_set_cb (static_cast<ev_watcher *>(this), cb);
429 }
430
431 // function callback
432 template<void (*function)(watcher &w, int)>
433 void set (void *data = 0) throw ()
434 {
435 set_ (data, function_thunk<function>);
436 }
437
438 template<void (*function)(watcher &w, int)>
439 static void function_thunk (EV_P_ ev_watcher *w, int revents)
440 {
441 function
442 (*static_cast<watcher *>(w), revents);
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 // default method == operator ()
453 template<class K>
454 void set (K *object) throw ()
455 {
456 set_ (object, method_thunk<K, &K::operator ()>);
457 }
458
459 template<class K, void (K::*method)(watcher &w, int)>
460 static void method_thunk (EV_P_ ev_watcher *w, int revents)
461 {
462 (static_cast<K *>(w->data)->*method)
463 (*static_cast<watcher *>(w), revents);
464 }
465
466 // no-argument callback
467 template<class K, void (K::*method)()>
468 void set (K *object) throw ()
469 {
470 set_ (object, method_noargs_thunk<K, method>);
471 }
472
473 template<class K, void (K::*method)()>
474 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
475 {
476 static_cast<K *>(w->data)->*method
477 ();
478 }
479
480 void operator ()(int events = EV_UNDEF)
481 {
482 return
483 ev_cb (static_cast<ev_watcher *>(this))
484 (static_cast<ev_watcher *>(this), events);
485 }
486
487 bool is_active () const throw ()
488 {
489 return ev_is_active (static_cast<const ev_watcher *>(this));
490 }
491
492 bool is_pending () const throw ()
493 {
494 return ev_is_pending (static_cast<const ev_watcher *>(this));
495 }
496
497 void feed_event (int revents) throw ()
498 {
499 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
500 }
501 };
502
503 inline tstamp now () throw ()
504 {
505 return ev_time ();
506 }
507
508 inline void delay (tstamp interval) throw ()
509 {
510 ev_sleep (interval);
511 }
512
513 inline int version_major () throw ()
514 {
515 return ev_version_major ();
516 }
517
518 inline int version_minor () throw ()
519 {
520 return ev_version_minor ();
521 }
522
523 inline unsigned int supported_backends () throw ()
524 {
525 return ev_supported_backends ();
526 }
527
528 inline unsigned int recommended_backends () throw ()
529 {
530 return ev_recommended_backends ();
531 }
532
533 inline unsigned int embeddable_backends () throw ()
534 {
535 return ev_embeddable_backends ();
536 }
537
538 inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
539 {
540 ev_set_allocator (cb);
541 }
542
543 inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
544 {
545 ev_set_syserr_cb (cb);
67 } 546 }
68 547
69 #if EV_MULTIPLICITY 548 #if EV_MULTIPLICITY
70 549 #define EV_CONSTRUCT(cppstem,cstem) \
71 #define EV_CONSTRUCT(cppstem) \ 550 (EV_PX = get_default_loop ()) throw () \
72 EV_P; \ 551 : base<ev_ ## cstem, cppstem> (EV_A) \
73 \
74 void set (EV_P) \
75 { \ 552 { \
76 this->EV_A = EV_A; \ 553 }
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 554 #else
84 555 #define EV_CONSTRUCT(cppstem,cstem) \
85 #define EV_CONSTRUCT(cppstem) \ 556 () throw () \
86 template<class O1, class O2> \ 557 { \
87 explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ 558 }
88 : callback<cppstem> (object, method)
89
90 #endif 559 #endif
91 560
92 /* using a template here would require quite a bit more lines, 561 /* using a template here would require quite a bit more lines,
93 * so a macro solution was chosen */ 562 * so a macro solution was chosen */
94 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 563 #define EV_BEGIN_WATCHER(cppstem,cstem) \
95 \ 564 \
96 struct cppstem : ev_ ## cstem, callback<cppstem> \ 565 struct cppstem : base<ev_ ## cstem, cppstem> \
97 { \ 566 { \
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 () \ 567 void start () throw () \
114 { \ 568 { \
115 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 569 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
116 } \ 570 } \
117 \ 571 \
118 void stop () \ 572 void stop () throw () \
119 { \ 573 { \
120 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 574 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
121 } \ 575 } \
122 \ 576 \
123 void operator ()(int events = EV_UNDEF) \ 577 cppstem EV_CONSTRUCT(cppstem,cstem) \
124 { \ 578 \
125 return call (this, events); \
126 } \
127 \
128 ~cppstem () \ 579 ~cppstem () throw () \
129 { \ 580 { \
130 stop (); \ 581 stop (); \
131 } \ 582 } \
132 \ 583 \
584 using base<ev_ ## cstem, cppstem>::set; \
585 \
133 private: \ 586 private: \
134 \ 587 \
135 cppstem (const cppstem &o) \ 588 cppstem (const cppstem &o); \
136 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
137 { /* disabled */ } \
138 \
139 void operator =(const cppstem &o) { /* disabled */ } \
140 \
141 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
142 { \ 589 \
143 (*static_cast<cppstem *>(w))(revents); \ 590 cppstem &operator =(const cppstem &o); \
144 } \
145 \ 591 \
146 public: 592 public:
147 593
148 #define EV_END_WATCHER(cppstem,cstem) \ 594 #define EV_END_WATCHER(cppstem,cstem) \
149 }; 595 };
150 596
151 EV_BEGIN_WATCHER (io, io) 597 EV_BEGIN_WATCHER (io, io)
152 void set (int fd, int events) 598 void set (int fd, int events) throw ()
153 { 599 {
154 int active = is_active (); 600 int active = is_active ();
155 if (active) stop (); 601 if (active) stop ();
156 ev_io_set (static_cast<ev_io *>(this), fd, events); 602 ev_io_set (static_cast<ev_io *>(this), fd, events);
157 if (active) start (); 603 if (active) start ();
158 } 604 }
159 605
160 void set (int events) 606 void set (int events) throw ()
161 { 607 {
162 int active = is_active (); 608 int active = is_active ();
163 if (active) stop (); 609 if (active) stop ();
164 ev_io_set (static_cast<ev_io *>(this), fd, events); 610 ev_io_set (static_cast<ev_io *>(this), fd, events);
165 if (active) start (); 611 if (active) start ();
166 } 612 }
167 613
168 void start (int fd, int events) 614 void start (int fd, int events) throw ()
169 { 615 {
170 set (fd, events); 616 set (fd, events);
171 start (); 617 start ();
172 } 618 }
173 EV_END_WATCHER (io, io) 619 EV_END_WATCHER (io, io)
174 620
175 EV_BEGIN_WATCHER (timer, timer) 621 EV_BEGIN_WATCHER (timer, timer)
176 void set (ev_tstamp after, ev_tstamp repeat = 0.) 622 void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
177 { 623 {
178 int active = is_active (); 624 int active = is_active ();
179 if (active) stop (); 625 if (active) stop ();
180 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 626 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
181 if (active) start (); 627 if (active) start ();
182 } 628 }
183 629
184 void start (ev_tstamp after, ev_tstamp repeat = 0.) 630 void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
185 { 631 {
186 set (after, repeat); 632 set (after, repeat);
187 start (); 633 start ();
188 } 634 }
189 635
190 void again () 636 void again () throw ()
191 { 637 {
192 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 638 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
193 } 639 }
194 EV_END_WATCHER (timer, timer) 640 EV_END_WATCHER (timer, timer)
195 641
196 #if EV_PERIODICS 642 #if EV_PERIODIC_ENABLE
197 EV_BEGIN_WATCHER (periodic, periodic) 643 EV_BEGIN_WATCHER (periodic, periodic)
198 void set (ev_tstamp at, ev_tstamp interval = 0.) 644 void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
199 { 645 {
200 int active = is_active (); 646 int active = is_active ();
201 if (active) stop (); 647 if (active) stop ();
202 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 648 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
203 if (active) start (); 649 if (active) start ();
204 } 650 }
205 651
206 void start (ev_tstamp at, ev_tstamp interval = 0.) 652 void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
207 { 653 {
208 set (at, interval); 654 set (at, interval);
209 start (); 655 start ();
210 } 656 }
211 657
212 void again () 658 void again () throw ()
213 { 659 {
214 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 660 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
215 } 661 }
216 EV_END_WATCHER (periodic, periodic) 662 EV_END_WATCHER (periodic, periodic)
217 #endif 663 #endif
218 664
219 EV_BEGIN_WATCHER (idle, idle)
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) 665 EV_BEGIN_WATCHER (sig, signal)
232 void set (int signum) 666 void set (int signum) throw ()
233 { 667 {
234 int active = is_active (); 668 int active = is_active ();
235 if (active) stop (); 669 if (active) stop ();
236 ev_signal_set (static_cast<ev_signal *>(this), signum); 670 ev_signal_set (static_cast<ev_signal *>(this), signum);
237 if (active) start (); 671 if (active) start ();
238 } 672 }
239 673
240 void start (int signum) 674 void start (int signum) throw ()
241 { 675 {
242 set (signum); 676 set (signum);
243 start (); 677 start ();
244 } 678 }
245 EV_END_WATCHER (sig, signal) 679 EV_END_WATCHER (sig, signal)
246 680
247 EV_BEGIN_WATCHER (child, child) 681 EV_BEGIN_WATCHER (child, child)
248 void set (int pid) 682 void set (int pid, int trace = 0) throw ()
249 { 683 {
250 int active = is_active (); 684 int active = is_active ();
251 if (active) stop (); 685 if (active) stop ();
252 ev_child_set (static_cast<ev_child *>(this), pid); 686 ev_child_set (static_cast<ev_child *>(this), pid, trace);
253 if (active) start (); 687 if (active) start ();
254 } 688 }
255 689
256 void start (int pid) 690 void start (int pid, int trace = 0) throw ()
257 { 691 {
258 set (pid); 692 set (pid, trace);
259 start (); 693 start ();
260 } 694 }
261 EV_END_WATCHER (child, child) 695 EV_END_WATCHER (child, child)
262 696
263 #if EV_MULTIPLICITY 697 #if EV_STAT_ENABLE
264 698 EV_BEGIN_WATCHER (stat, stat)
265 EV_BEGIN_WATCHER (embed, embed) 699 void set (const char *path, ev_tstamp interval = 0.) throw ()
266 void set (struct ev_loop *loop)
267 { 700 {
268 int active = is_active (); 701 int active = is_active ();
269 if (active) stop (); 702 if (active) stop ();
270 ev_embed_set (static_cast<ev_embed *>(this), loop); 703 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
271 if (active) start (); 704 if (active) start ();
272 } 705 }
273 706
707 void start (const char *path, ev_tstamp interval = 0.) throw ()
708 {
709 stop ();
710 set (path, interval);
711 start ();
712 }
713
714 void update () throw ()
715 {
716 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
717 }
718 EV_END_WATCHER (stat, stat)
719 #endif
720
721 EV_BEGIN_WATCHER (idle, idle)
722 void set () throw () { }
723 EV_END_WATCHER (idle, idle)
724
725 EV_BEGIN_WATCHER (prepare, prepare)
726 void set () throw () { }
727 EV_END_WATCHER (prepare, prepare)
728
729 EV_BEGIN_WATCHER (check, check)
730 void set () throw () { }
731 EV_END_WATCHER (check, check)
732
733 #if EV_EMBED_ENABLE
734 EV_BEGIN_WATCHER (embed, embed)
735 void set (struct ev_loop *embedded_loop) throw ()
736 {
737 int active = is_active ();
738 if (active) stop ();
739 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
740 if (active) start ();
741 }
742
274 void start (struct ev_loop *embedded_loop) 743 void start (struct ev_loop *embedded_loop) throw ()
275 { 744 {
276 set (embedded_loop); 745 set (embedded_loop);
277 start (); 746 start ();
278 } 747 }
279 748
280 void sweep () 749 void sweep ()
281 { 750 {
282 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); 751 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
283 } 752 }
284 EV_END_WATCHER (embed, embed) 753 EV_END_WATCHER (embed, embed)
285
286 #endif 754 #endif
287 755
756 #if EV_FORK_ENABLE
757 EV_BEGIN_WATCHER (fork, fork)
758 void set () throw () { }
759 EV_END_WATCHER (fork, fork)
760 #endif
761
762 #if EV_ASYNC_ENABLE
763 EV_BEGIN_WATCHER (async, async)
764 void set () throw () { }
765
766 void send () throw ()
767 {
768 ev_async_send (EV_A_ static_cast<ev_async *>(this));
769 }
770
771 bool async_pending () throw ()
772 {
773 return ev_async_pending (static_cast<ev_async *>(this));
774 }
775 EV_END_WATCHER (async, async)
776 #endif
777
778 #undef EV_PX
779 #undef EV_PX_
288 #undef EV_CONSTRUCT 780 #undef EV_CONSTRUCT
289 #undef EV_BEGIN_WATCHER 781 #undef EV_BEGIN_WATCHER
290 #undef EV_END_WATCHER 782 #undef EV_END_WATCHER
291} 783}
292 784

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