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Comparing libev/ev++.h (file contents):
Revision 1.24 by llucax, Fri Jan 18 18:13:21 2008 UTC vs.
Revision 1.69 by root, Sat Jun 3 08:53:03 2023 UTC

1/* 1/*
2 * libev simple C++ wrapper classes 2 * libev simple C++ wrapper classes
3 * 3 *
4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2010,2018,2020 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 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- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 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- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
44# include EV_H 44# include EV_H
45#else 45#else
46# include "ev.h" 46# include "ev.h"
47#endif 47#endif
48 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
56
49namespace ev { 57namespace ev {
50 58
51 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
52 60
53 enum { 61 enum {
54 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
55 NONE = EV_NONE, 63 NONE = EV_NONE,
56 READ = EV_READ, 64 READ = EV_READ,
57 WRITE = EV_WRITE, 65 WRITE = EV_WRITE,
66#if EV_COMPAT3
58 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
68#endif
69 TIMER = EV_TIMER,
59 PERIODIC = EV_PERIODIC, 70 PERIODIC = EV_PERIODIC,
60 SIGNAL = EV_SIGNAL, 71 SIGNAL = EV_SIGNAL,
61 CHILD = EV_CHILD, 72 CHILD = EV_CHILD,
62 STAT = EV_STAT, 73 STAT = EV_STAT,
63 IDLE = EV_IDLE, 74 IDLE = EV_IDLE,
64 CHECK = EV_CHECK, 75 CHECK = EV_CHECK,
65 PREPARE = EV_PREPARE, 76 PREPARE = EV_PREPARE,
66 FORK = EV_FORK, 77 FORK = EV_FORK,
78 ASYNC = EV_ASYNC,
67 EMBED = EV_EMBED, 79 EMBED = EV_EMBED,
80# undef ERROR // some systems stupidly #define ERROR
68 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
69 }; 406 }
407
408#undef EV_AX
409#undef EV_AX_
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
70 420
71 template<class ev_watcher, class watcher> 421 template<class ev_watcher, class watcher>
72 struct base : ev_watcher 422 struct base : ev_watcher
73 { 423 {
424 // scoped pause/unpause of a watcher
425 struct freeze_guard
426 {
427 watcher &w;
428 bool active;
429
430 freeze_guard (watcher *self) EV_NOEXCEPT
431 : w (*self), active (w.is_active ())
432 {
433 if (active) w.stop ();
434 }
435
436 ~freeze_guard ()
437 {
438 if (active) w.start ();
439 }
440 };
441
74 #if EV_MULTIPLICITY 442 #if EV_MULTIPLICITY
75 EV_P; 443 EV_PX;
76 444
445 // loop set
77 void set (EV_P) 446 void set (EV_P) EV_NOEXCEPT
78 { 447 {
79 this->EV_A = EV_A; 448 this->EV_A = EV_A;
80 } 449 }
81 #endif 450 #endif
82 451
83 base () 452 base (EV_PX) EV_NOEXCEPT
453 #if EV_MULTIPLICITY
454 : EV_A (EV_A)
455 #endif
84 { 456 {
85 ev_init (this, 0); 457 ev_init (this, 0);
86 } 458 }
87 459
88 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) 460 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_NOEXCEPT
89 { 461 {
90 this->data = data; 462 this->data = (void *)data;
91 ev_set_cb (static_cast<ev_watcher *>(this), cb); 463 ev_set_cb (static_cast<ev_watcher *>(this), cb);
464 }
465
466 // function callback
467 template<void (*function)(watcher &w, int)>
468 void set (void *data = 0) EV_NOEXCEPT
469 {
470 set_ (data, function_thunk<function>);
471 }
472
473 template<void (*function)(watcher &w, int)>
474 static void function_thunk (EV_P_ ev_watcher *w, int revents)
475 {
476 function
477 (*static_cast<watcher *>(w), revents);
92 } 478 }
93 479
94 // method callback 480 // method callback
95 template<class K, void (K::*method)(watcher &w, int)> 481 template<class K, void (K::*method)(watcher &w, int)>
96 void set (K *object) 482 void set (K *object) EV_NOEXCEPT
97 { 483 {
98 set_ (object, method_thunk<K, method>); 484 set_ (object, method_thunk<K, method>);
485 }
486
487 // default method == operator ()
488 template<class K>
489 void set (K *object) EV_NOEXCEPT
490 {
491 set_ (object, method_thunk<K, &K::operator ()>);
99 } 492 }
100 493
101 template<class K, void (K::*method)(watcher &w, int)> 494 template<class K, void (K::*method)(watcher &w, int)>
102 static void method_thunk (EV_P_ ev_watcher *w, int revents) 495 static void method_thunk (EV_P_ ev_watcher *w, int revents)
103 { 496 {
104 K *obj = static_cast<K *>(w->data); 497 (static_cast<K *>(w->data)->*method)
105 (obj->*method) (*static_cast<watcher *>(w), revents);
106 }
107
108 // const method callback
109 template<class K, void (K::*method)(watcher &w, int) const>
110 void set (const K *object)
111 {
112 set_ (object, const_method_thunk<K, method>);
113 }
114
115 template<class K, void (K::*method)(watcher &w, int) const>
116 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
117 {
118 K *obj = static_cast<K *>(w->data);
119 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
120 }
121
122 // function callback
123 template<void (*function)(watcher &w, int)>
124 void set (void *data = 0)
125 {
126 set_ (data, function_thunk<function>);
127 }
128
129 template<void (*function)(watcher &w, int)>
130 static void function_thunk (EV_P_ ev_watcher *w, int revents)
131 {
132 function (*static_cast<watcher *>(w), revents); 498 (*static_cast<watcher *>(w), revents);
133 } 499 }
134 500
135 // simple callback 501 // no-argument callback
136 template<class K, void (K::*method)()> 502 template<class K, void (K::*method)()>
137 void set (K *object) 503 void set (K *object) EV_NOEXCEPT
138 { 504 {
139 set_ (object, method_noargs_thunk<K, method>); 505 set_ (object, method_noargs_thunk<K, method>);
140 } 506 }
141 507
142 template<class K, void (K::*method)()> 508 template<class K, void (K::*method)()>
143 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) 509 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
144 { 510 {
145 K *obj = static_cast<K *>(w->data); 511 (static_cast<K *>(w->data)->*method)
146 (obj->*method) (); 512 ();
147 } 513 }
148 514
149 void operator ()(int events = EV_UNDEF) 515 void operator ()(int events = EV_UNDEF)
150 { 516 {
517 return
151 return ev_cb (static_cast<ev_watcher *>(this)) 518 ev_cb (static_cast<ev_watcher *>(this))
152 (static_cast<ev_watcher *>(this), events); 519 (static_cast<ev_watcher *>(this), events);
153 } 520 }
154 521
155 bool is_active () const 522 bool is_active () const EV_NOEXCEPT
156 { 523 {
157 return ev_is_active (static_cast<const ev_watcher *>(this)); 524 return ev_is_active (static_cast<const ev_watcher *>(this));
158 } 525 }
159 526
160 bool is_pending () const 527 bool is_pending () const EV_NOEXCEPT
161 { 528 {
162 return ev_is_pending (static_cast<const ev_watcher *>(this)); 529 return ev_is_pending (static_cast<const ev_watcher *>(this));
163 } 530 }
164 };
165 531
532 void feed_event (int revents) EV_NOEXCEPT
533 {
534 ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents);
535 }
536 };
166 537
167 inline ev_tstamp now (EV_P) 538 inline tstamp now (EV_P) EV_NOEXCEPT
168 { 539 {
169 return ev_now (EV_A); 540 return ev_now (EV_A);
170 } 541 }
171 542
543 inline void delay (tstamp interval) EV_NOEXCEPT
544 {
545 ev_sleep (interval);
546 }
547
548 inline int version_major () EV_NOEXCEPT
549 {
550 return ev_version_major ();
551 }
552
553 inline int version_minor () EV_NOEXCEPT
554 {
555 return ev_version_minor ();
556 }
557
558 inline unsigned int supported_backends () EV_NOEXCEPT
559 {
560 return ev_supported_backends ();
561 }
562
563 inline unsigned int recommended_backends () EV_NOEXCEPT
564 {
565 return ev_recommended_backends ();
566 }
567
568 inline unsigned int embeddable_backends () EV_NOEXCEPT
569 {
570 return ev_embeddable_backends ();
571 }
572
573 inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
574 {
575 ev_set_allocator (cb);
576 }
577
578 inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
579 {
580 ev_set_syserr_cb (cb);
581 }
582
172 #if EV_MULTIPLICITY 583 #if EV_MULTIPLICITY
173 #define EV_CONSTRUCT \ 584 #define EV_CONSTRUCT(cppstem,cstem) \
174 (EV_P = EV_DEFAULT) \ 585 (EV_PX = get_default_loop ()) EV_NOEXCEPT \
586 : base<ev_ ## cstem, cppstem> (EV_A) \
175 { \ 587 { \
176 set (EV_A); \
177 } 588 }
178 #else 589 #else
179 #define EV_CONSTRUCT \ 590 #define EV_CONSTRUCT(cppstem,cstem) \
180 () \ 591 () EV_NOEXCEPT \
181 { \ 592 { \
182 } 593 }
183 #endif 594 #endif
184 595
185 /* using a template here would require quite a bit more lines, 596 /* using a template here would require quite a few more lines,
186 * so a macro solution was chosen */ 597 * so a macro solution was chosen */
187 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 598 #define EV_BEGIN_WATCHER(cppstem,cstem) \
188 \ 599 \
189 struct cppstem : base<ev_ ## cstem, cppstem> \ 600 struct cppstem : base<ev_ ## cstem, cppstem> \
190 { \ 601 { \
191 void start () \ 602 void start () EV_NOEXCEPT \
192 { \ 603 { \
193 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 604 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
194 } \ 605 } \
195 \ 606 \
196 void stop () \ 607 void stop () EV_NOEXCEPT \
197 { \ 608 { \
198 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 609 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
199 } \ 610 } \
200 \ 611 \
201 cppstem EV_CONSTRUCT \ 612 cppstem EV_CONSTRUCT(cppstem,cstem) \
202 \ 613 \
203 ~cppstem () \ 614 ~cppstem () EV_NOEXCEPT \
204 { \ 615 { \
205 stop (); \ 616 stop (); \
206 } \ 617 } \
207 \ 618 \
208 using base<ev_ ## cstem, cppstem>::set; \ 619 using base<ev_ ## cstem, cppstem>::set; \
209 \ 620 \
210 private: \ 621 private: \
211 \ 622 \
212 cppstem (const cppstem &o); \ 623 cppstem (const cppstem &o); \
213 \ 624 \
214 cppstem & operator =(const cppstem &o); \ 625 cppstem &operator =(const cppstem &o); \
215 \ 626 \
216 public: 627 public:
217 628
218 #define EV_END_WATCHER(cppstem,cstem) \ 629 #define EV_END_WATCHER(cppstem,cstem) \
219 }; 630 };
631 //TODO: https://paste.debian.net/1268417/
220 632
221 EV_BEGIN_WATCHER (io, io) 633 EV_BEGIN_WATCHER (io, io)
222 void set (int fd, int events) 634 void set (int fd, int events) EV_NOEXCEPT
223 { 635 {
224 int active = is_active (); 636 freeze_guard freeze (this);
225 if (active) stop ();
226 ev_io_set (static_cast<ev_io *>(this), fd, events); 637 ev_io_set (static_cast<ev_io *>(this), fd, events);
227 if (active) start ();
228 } 638 }
229 639
230 void set (int events) 640 void set (int events) EV_NOEXCEPT
231 { 641 {
232 int active = is_active (); 642 freeze_guard freeze (this);
233 if (active) stop ();
234 ev_io_set (static_cast<ev_io *>(this), fd, events); 643 ev_io_modify (static_cast<ev_io *>(this), events);
235 if (active) start ();
236 } 644 }
237 645
238 void start (int fd, int events) 646 void start (int fd, int events) EV_NOEXCEPT
239 { 647 {
240 set (fd, events); 648 set (fd, events);
241 start (); 649 start ();
242 } 650 }
243 EV_END_WATCHER (io, io) 651 EV_END_WATCHER (io, io)
244 652
245 EV_BEGIN_WATCHER (timer, timer) 653 EV_BEGIN_WATCHER (timer, timer)
246 void set (ev_tstamp after, ev_tstamp repeat = 0.) 654 void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
247 { 655 {
248 int active = is_active (); 656 freeze_guard freeze (this);
249 if (active) stop ();
250 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 657 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
251 if (active) start ();
252 } 658 }
253 659
254 void start (ev_tstamp after, ev_tstamp repeat = 0.) 660 void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
255 { 661 {
256 set (after, repeat); 662 set (after, repeat);
257 start (); 663 start ();
258 } 664 }
259 665
260 void again () 666 void again () EV_NOEXCEPT
261 { 667 {
262 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 668 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
669 }
670
671 ev_tstamp remaining ()
672 {
673 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
263 } 674 }
264 EV_END_WATCHER (timer, timer) 675 EV_END_WATCHER (timer, timer)
265 676
266 #if EV_PERIODIC_ENABLE 677 #if EV_PERIODIC_ENABLE
267 EV_BEGIN_WATCHER (periodic, periodic) 678 EV_BEGIN_WATCHER (periodic, periodic)
268 void set (ev_tstamp at, ev_tstamp interval = 0.) 679 void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
269 { 680 {
270 int active = is_active (); 681 freeze_guard freeze (this);
271 if (active) stop ();
272 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 682 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
273 if (active) start ();
274 } 683 }
275 684
276 void start (ev_tstamp at, ev_tstamp interval = 0.) 685 void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
277 { 686 {
278 set (at, interval); 687 set (at, interval);
279 start (); 688 start ();
280 } 689 }
281 690
282 void again () 691 void again () EV_NOEXCEPT
283 { 692 {
284 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 693 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
285 } 694 }
286 EV_END_WATCHER (periodic, periodic) 695 EV_END_WATCHER (periodic, periodic)
287 #endif 696 #endif
288 697
698 #if EV_SIGNAL_ENABLE
289 EV_BEGIN_WATCHER (sig, signal) 699 EV_BEGIN_WATCHER (sig, signal)
290 void set (int signum) 700 void set (int signum) EV_NOEXCEPT
291 { 701 {
292 int active = is_active (); 702 freeze_guard freeze (this);
293 if (active) stop ();
294 ev_signal_set (static_cast<ev_signal *>(this), signum); 703 ev_signal_set (static_cast<ev_signal *>(this), signum);
295 if (active) start ();
296 } 704 }
297 705
298 void start (int signum) 706 void start (int signum) EV_NOEXCEPT
299 { 707 {
300 set (signum); 708 set (signum);
301 start (); 709 start ();
302 } 710 }
303 EV_END_WATCHER (sig, signal) 711 EV_END_WATCHER (sig, signal)
712 #endif
304 713
714 #if EV_CHILD_ENABLE
305 EV_BEGIN_WATCHER (child, child) 715 EV_BEGIN_WATCHER (child, child)
306 void set (int pid) 716 void set (int pid, int trace = 0) EV_NOEXCEPT
307 { 717 {
308 int active = is_active (); 718 freeze_guard freeze (this);
309 if (active) stop ();
310 ev_child_set (static_cast<ev_child *>(this), pid); 719 ev_child_set (static_cast<ev_child *>(this), pid, trace);
311 if (active) start ();
312 }
313
314 void start (int pid)
315 { 720 }
721
722 void start (int pid, int trace = 0) EV_NOEXCEPT
723 {
316 set (pid); 724 set (pid, trace);
317 start (); 725 start ();
318 } 726 }
319 EV_END_WATCHER (child, child) 727 EV_END_WATCHER (child, child)
728 #endif
320 729
321 #if EV_STAT_ENABLE 730 #if EV_STAT_ENABLE
322 EV_BEGIN_WATCHER (stat, stat) 731 EV_BEGIN_WATCHER (stat, stat)
323 void set (const char *path, ev_tstamp interval = 0.) 732 void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
324 { 733 {
325 int active = is_active (); 734 freeze_guard freeze (this);
326 if (active) stop ();
327 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 735 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
328 if (active) start ();
329 } 736 }
330 737
331 void start (const char *path, ev_tstamp interval = 0.) 738 void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
332 { 739 {
333 stop (); 740 stop ();
334 set (path, interval); 741 set (path, interval);
335 start (); 742 start ();
336 } 743 }
337 744
338 void update () 745 void update () EV_NOEXCEPT
339 { 746 {
340 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 747 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
341 } 748 }
342 EV_END_WATCHER (stat, stat) 749 EV_END_WATCHER (stat, stat)
343 #endif 750 #endif
344 751
752 #if EV_IDLE_ENABLE
345 EV_BEGIN_WATCHER (idle, idle) 753 EV_BEGIN_WATCHER (idle, idle)
346 void set () { } 754 void set () EV_NOEXCEPT { }
347 EV_END_WATCHER (idle, idle) 755 EV_END_WATCHER (idle, idle)
756 #endif
348 757
758 #if EV_PREPARE_ENABLE
349 EV_BEGIN_WATCHER (prepare, prepare) 759 EV_BEGIN_WATCHER (prepare, prepare)
350 void set () { } 760 void set () EV_NOEXCEPT { }
351 EV_END_WATCHER (prepare, prepare) 761 EV_END_WATCHER (prepare, prepare)
762 #endif
352 763
764 #if EV_CHECK_ENABLE
353 EV_BEGIN_WATCHER (check, check) 765 EV_BEGIN_WATCHER (check, check)
354 void set () { } 766 void set () EV_NOEXCEPT { }
355 EV_END_WATCHER (check, check) 767 EV_END_WATCHER (check, check)
768 #endif
356 769
357 #if EV_EMBED_ENABLE 770 #if EV_EMBED_ENABLE
358 EV_BEGIN_WATCHER (embed, embed) 771 EV_BEGIN_WATCHER (embed, embed)
359 void start (struct ev_loop *embedded_loop) 772 void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT
360 { 773 {
361 stop (); 774 freeze_guard freeze (this);
362 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); 775 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
776 }
777
778 void start (struct ev_loop *embedded_loop) EV_NOEXCEPT
779 {
780 set (embedded_loop);
363 start (); 781 start ();
364 } 782 }
365 783
366 void sweep () 784 void sweep ()
367 { 785 {
… …
370 EV_END_WATCHER (embed, embed) 788 EV_END_WATCHER (embed, embed)
371 #endif 789 #endif
372 790
373 #if EV_FORK_ENABLE 791 #if EV_FORK_ENABLE
374 EV_BEGIN_WATCHER (fork, fork) 792 EV_BEGIN_WATCHER (fork, fork)
375 void set () { } 793 void set () EV_NOEXCEPT { }
376 EV_END_WATCHER (fork, fork) 794 EV_END_WATCHER (fork, fork)
377 #endif 795 #endif
378 796
797 #if EV_ASYNC_ENABLE
798 EV_BEGIN_WATCHER (async, async)
799 void send () EV_NOEXCEPT
800 {
801 ev_async_send (EV_A_ static_cast<ev_async *>(this));
802 }
803
804 bool async_pending () EV_NOEXCEPT
805 {
806 return ev_async_pending (static_cast<ev_async *>(this));
807 }
808 EV_END_WATCHER (async, async)
809 #endif
810
811 #undef EV_PX
812 #undef EV_PX_
379 #undef EV_CONSTRUCT 813 #undef EV_CONSTRUCT
380 #undef EV_BEGIN_WATCHER 814 #undef EV_BEGIN_WATCHER
381 #undef EV_END_WATCHER 815 #undef EV_END_WATCHER
382} 816}
383 817

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