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Comparing libev/ev++.h (file contents):
Revision 1.28 by llucax, Fri Jan 18 18:14:41 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
69 }; 82 };
70 83
71 enum 84 enum
72 { 85 {
73 AUTO = EVFLAG_AUTO, 86 AUTO = EVFLAG_AUTO,
74 NOENV = EVFLAG_NOENV, 87 NOENV = EVFLAG_NOENV,
75 FORKCHECK = EVFLAG_FORKCHECK, 88 FORKCHECK = EVFLAG_FORKCHECK,
89
76 SELECT = EVBACKEND_SELECT, 90 SELECT = EVBACKEND_SELECT,
77 POLL = EVBACKEND_POLL, 91 POLL = EVBACKEND_POLL,
78 EPOLL = EVBACKEND_EPOLL, 92 EPOLL = EVBACKEND_EPOLL,
79 KQUEUE = EVBACKEND_KQUEUE, 93 KQUEUE = EVBACKEND_KQUEUE,
80 DEVPOLL = EVBACKEND_DEVPOLL, 94 DEVPOLL = EVBACKEND_DEVPOLL,
81 PORT = EVBACKEND_PORT 95 PORT = EVBACKEND_PORT
82 }; 96 };
83 97
84 enum 98 enum
85 { 99 {
100#if EV_COMPAT3
86 NONBLOCK = EVLOOP_NONBLOCK, 101 NONBLOCK = EVLOOP_NONBLOCK,
87 ONESHOT = EVLOOP_ONESHOT 102 ONESHOT = EVLOOP_ONESHOT,
103#endif
104 NOWAIT = EVRUN_NOWAIT,
105 ONCE = EVRUN_ONCE
88 }; 106 };
89 107
90 enum how_t 108 enum how_t
91 { 109 {
92 ONE = EVUNLOOP_ONE, 110 ONE = EVBREAK_ONE,
93 ALL = EVUNLOOP_ALL 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
94 }; 125 };
95 126
96#ifdef EV_AX 127#ifdef EV_AX
97# undef EV_AX 128# undef EV_AX
98#endif 129#endif
… …
109# define EV_AX_ 140# define EV_AX_
110#endif 141#endif
111 142
112 struct loop_ref 143 struct loop_ref
113 { 144 {
114
115 loop_ref (EV_P) 145 loop_ref (EV_P) EV_NOEXCEPT
116#if EV_MULTIPLICITY 146#if EV_MULTIPLICITY
117 : EV_AX (EV_A) 147 : EV_AX (EV_A)
118#endif 148#endif
119 {
120 } 149 {
150 }
121 151
122 bool operator== (const loop_ref &other) const 152 bool operator == (const loop_ref &other) const EV_NOEXCEPT
123 { 153 {
124#if EV_MULTIPLICITY 154#if EV_MULTIPLICITY
125 return this->EV_AX == other.EV_AX; 155 return EV_AX == other.EV_AX;
126#else 156#else
127 return true; 157 return true;
128#endif 158#endif
129 } 159 }
130 160
131 bool operator!= (const loop_ref &other) const 161 bool operator != (const loop_ref &other) const EV_NOEXCEPT
132 { 162 {
133#if EV_MULTIPLICITY 163#if EV_MULTIPLICITY
134 return ! (*this == other); 164 return ! (*this == other);
135#else 165#else
136 return false; 166 return false;
137#endif 167#endif
138 } 168 }
139 169
140#if EV_MULTIPLICITY 170#if EV_MULTIPLICITY
141 bool operator== (struct ev_loop *other) const 171 bool operator == (const EV_P) const EV_NOEXCEPT
142 { 172 {
143 return this->EV_AX == other; 173 return this->EV_AX == EV_A;
144 }
145
146 bool operator!= (struct ev_loop *other) const
147 { 174 }
175
176 bool operator != (const EV_P) const EV_NOEXCEPT
177 {
148 return ! (*this == other); 178 return ! (*this == EV_A);
149 }
150
151 bool operator== (const struct ev_loop *other) const
152 { 179 }
153 return this->EV_AX == other;
154 }
155 180
156 bool operator!= (const struct ev_loop *other) const
157 {
158 return (*this == other);
159 }
160
161 operator struct ev_loop * () const 181 operator struct ev_loop * () const EV_NOEXCEPT
162 { 182 {
163 return EV_AX; 183 return EV_AX;
164 } 184 }
165 185
166 operator const struct ev_loop * () const 186 operator const struct ev_loop * () const EV_NOEXCEPT
167 { 187 {
168 return EV_AX; 188 return EV_AX;
169 } 189 }
170 190
171 bool is_default () const 191 bool is_default () const EV_NOEXCEPT
172 { 192 {
173 return EV_AX == ev_default_loop (0); 193 return EV_AX == ev_default_loop (0);
174 } 194 }
175#endif 195#endif
176 196
197#if EV_COMPAT3
177 void loop (int flags = 0) 198 void loop (int flags = 0)
178 { 199 {
179 ev_loop (EV_AX_ flags); 200 ev_run (EV_AX_ flags);
180 } 201 }
181 202
182 void unloop (how_t how = ONE) 203 void unloop (how_t how = ONE) EV_NOEXCEPT
183 { 204 {
184 ev_unloop (EV_AX_ how); 205 ev_break (EV_AX_ how);
185 }
186
187 void post_fork ()
188 { 206 }
189#if EV_MULTIPLICITY 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 {
190 ev_loop_fork (EV_AX); 221 ev_loop_fork (EV_AX);
191#else
192 ev_default_fork ();
193#endif
194 }
195
196 unsigned int count () const
197 { 222 }
198 return ev_loop_count (EV_AX);
199 }
200 223
201 unsigned int backend () const 224 unsigned int backend () const EV_NOEXCEPT
202 { 225 {
203 return ev_backend (EV_AX); 226 return ev_backend (EV_AX);
204 } 227 }
205 228
206 tstamp now () const 229 tstamp now () const EV_NOEXCEPT
207 { 230 {
208 return ev_now (EV_AX); 231 return ev_now (EV_AX);
209 } 232 }
210 233
211 void ref () 234 void ref () EV_NOEXCEPT
212 { 235 {
213 ev_ref (EV_AX); 236 ev_ref (EV_AX);
214 } 237 }
215 238
216 void unref () 239 void unref () EV_NOEXCEPT
217 { 240 {
218 ev_unref (EV_AX); 241 ev_unref (EV_AX);
219 } 242 }
220 243
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
221 void set_io_collect_interval (tstamp interval) 255 void set_io_collect_interval (tstamp interval) EV_NOEXCEPT
222 { 256 {
223 ev_set_io_collect_interval (EV_AX_ interval); 257 ev_set_io_collect_interval (EV_AX_ interval);
224 } 258 }
225 259
226 void set_timeout_collect_interval (tstamp interval) 260 void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT
227 { 261 {
228 ev_set_timeout_collect_interval (EV_AX_ interval); 262 ev_set_timeout_collect_interval (EV_AX_ interval);
229 } 263 }
264#endif
230 265
231 // function callback 266 // function callback
232 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) 267 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT
233 { 268 {
234 ev_once (EV_AX_ fd, events, timeout, cb, arg); 269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
235 } 270 }
236 271
237 // method callback 272 // method callback
238 template<class K, void (K::*method)(int)> 273 template<class K, void (K::*method)(int)>
239 void once (int fd, int events, tstamp timeout, K *object) 274 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
240 { 275 {
241 once (fd, events, timeout, method_thunk<K, method>, object); 276 once (fd, events, timeout, method_thunk<K, method>, object);
242 } 277 }
243 278
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
244 template<class K, void (K::*method)(int)> 286 template<class K, void (K::*method)(int)>
245 static void method_thunk (int revents, void* arg) 287 static void method_thunk (int revents, void *arg)
246 {
247 K *obj = static_cast<K *>(arg);
248 (obj->*method) (revents);
249 } 288 {
289 (static_cast<K *>(arg)->*method)
290 (revents);
291 }
250 292
251 // const method callback 293 // no-argument 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)()> 294 template<class K, void (K::*method)()>
267 void once (int fd, int events, tstamp timeout, K *object) 295 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
268 { 296 {
269 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
270 } 298 }
271 299
272 template<class K, void (K::*method)()> 300 template<class K, void (K::*method)()>
273 static void method_noargs_thunk (int revents, void* arg) 301 static void method_noargs_thunk (int revents, void *arg)
274 { 302 {
275 K *obj = static_cast<K *>(arg); 303 (static_cast<K *>(arg)->*method)
276 (obj->*method) (); 304 ();
277 } 305 }
278 306
279 // simpler function callback 307 // simpler function callback
280 template<void (*cb)(int)> 308 template<void (*cb)(int)>
281 void once (int fd, int events, tstamp timeout) 309 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
282 { 310 {
283 once (fd, events, timeout, simpler_func_thunk<cb>); 311 once (fd, events, timeout, simpler_func_thunk<cb>);
284 } 312 }
285 313
286 template<void (*cb)(int)> 314 template<void (*cb)(int)>
287 static void simpler_func_thunk (int revents, void* arg) 315 static void simpler_func_thunk (int revents, void *arg)
288 { 316 {
317 (*cb)
289 (*cb) (revents); 318 (revents);
290 } 319 }
291 320
292 // simplest function callback 321 // simplest function callback
293 template<void (*cb)()> 322 template<void (*cb)()>
294 void once (int fd, int events, tstamp timeout) 323 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
295 { 324 {
296 once (fd, events, timeout, simplest_func_thunk<cb>); 325 once (fd, events, timeout, simplest_func_thunk<cb>);
297 } 326 }
298 327
299 template<void (*cb)()> 328 template<void (*cb)()>
300 static void simplest_func_thunk (int revents, void* arg) 329 static void simplest_func_thunk (int revents, void *arg)
301 { 330 {
302 (*cb) (); 331 (*cb)
332 ();
303 } 333 }
304 334
305 void feed_fd_event (int fd, int revents) 335 void feed_fd_event (int fd, int revents) EV_NOEXCEPT
306 { 336 {
307 ev_feed_fd_event (EV_AX_ fd, revents); 337 ev_feed_fd_event (EV_AX_ fd, revents);
308 } 338 }
309 339
310 void feed_signal_event (int signum) 340 void feed_signal_event (int signum) EV_NOEXCEPT
311 { 341 {
312 ev_feed_signal_event (EV_AX_ signum); 342 ev_feed_signal_event (EV_AX_ signum);
313 } 343 }
314 344
315#if EV_MULTIPLICITY 345#if EV_MULTIPLICITY
… …
317#endif 347#endif
318 348
319 }; 349 };
320 350
321#if EV_MULTIPLICITY 351#if EV_MULTIPLICITY
322 struct dynamic_loop: loop_ref 352 struct dynamic_loop : loop_ref
323 { 353 {
324 354
325 dynamic_loop (unsigned int flags = AUTO) 355 dynamic_loop (unsigned int flags = AUTO)
326 : loop_ref (ev_loop_new (flags)) 356 : loop_ref (ev_loop_new (flags))
327 {
328 } 357 {
358 if (!EV_AX)
359 throw bad_loop ();
360 }
329 361
330 ~dynamic_loop () 362 ~dynamic_loop () EV_NOEXCEPT
331 { 363 {
332 ev_loop_destroy (EV_AX); 364 ev_loop_destroy (EV_AX);
333 EV_AX = 0; 365 EV_AX = 0;
334 } 366 }
335 367
… …
340 dynamic_loop & operator= (const dynamic_loop &); 372 dynamic_loop & operator= (const dynamic_loop &);
341 373
342 }; 374 };
343#endif 375#endif
344 376
345 struct default_loop: loop_ref 377 struct default_loop : loop_ref
346 { 378 {
347
348 default_loop (unsigned int flags = AUTO) 379 default_loop (unsigned int flags = AUTO)
349#if EV_MULTIPLICITY 380#if EV_MULTIPLICITY
350 : loop_ref (ev_default_loop (flags)) 381 : loop_ref (ev_default_loop (flags))
351 { 382#endif
352 } 383 {
384 if (
385#if EV_MULTIPLICITY
386 !EV_AX
353#else 387#else
354 {
355 ev_default_loop (flags); 388 !ev_default_loop (flags)
356 }
357#endif 389#endif
358 390 )
359 ~default_loop () 391 throw bad_loop ();
360 {
361 ev_default_destroy ();
362#if EV_MULTIPLICITY
363 EV_AX = 0;
364#endif
365 } 392 }
366 393
367 private: 394 private:
368
369 default_loop (const default_loop &); 395 default_loop (const default_loop &);
370
371 default_loop & operator= (const default_loop &); 396 default_loop &operator = (const default_loop &);
372
373 }; 397 };
374 398
375 inline loop_ref get_default_loop () 399 inline loop_ref get_default_loop () EV_NOEXCEPT
376 { 400 {
377#if EV_MULTIPLICITY 401#if EV_MULTIPLICITY
378 return ev_default_loop (0); 402 return ev_default_loop (0);
379#else 403#else
380 return loop_ref (); 404 return loop_ref ();
… …
395#endif 419#endif
396 420
397 template<class ev_watcher, class watcher> 421 template<class ev_watcher, class watcher>
398 struct base : ev_watcher 422 struct base : ev_watcher
399 { 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
400 #if EV_MULTIPLICITY 442 #if EV_MULTIPLICITY
401 EV_PX; 443 EV_PX;
402 444
445 // loop set
403 void set (EV_PX) 446 void set (EV_P) EV_NOEXCEPT
404 { 447 {
405 this->EV_A = EV_A; 448 this->EV_A = EV_A;
406 } 449 }
407 #endif 450 #endif
408 451
409 base (EV_PX) 452 base (EV_PX) EV_NOEXCEPT
410 #if EV_MULTIPLICITY 453 #if EV_MULTIPLICITY
411 : EV_A (EV_A) 454 : EV_A (EV_A)
412 #endif 455 #endif
413 { 456 {
414 ev_init (this, 0); 457 ev_init (this, 0);
415 } 458 }
416 459
417 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
418 { 461 {
419 this->data = data; 462 this->data = (void *)data;
420 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);
421 } 478 }
422 479
423 // method callback 480 // method callback
424 template<class K, void (K::*method)(watcher &w, int)> 481 template<class K, void (K::*method)(watcher &w, int)>
425 void set (K *object) 482 void set (K *object) EV_NOEXCEPT
426 { 483 {
427 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 ()>);
428 } 492 }
429 493
430 template<class K, void (K::*method)(watcher &w, int)> 494 template<class K, void (K::*method)(watcher &w, int)>
431 static void method_thunk (EV_P_ ev_watcher *w, int revents) 495 static void method_thunk (EV_P_ ev_watcher *w, int revents)
432 { 496 {
433 K *obj = static_cast<K *>(w->data); 497 (static_cast<K *>(w->data)->*method)
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); 498 (*static_cast<watcher *>(w), revents);
462 } 499 }
463 500
464 // simple callback 501 // no-argument callback
465 template<class K, void (K::*method)()> 502 template<class K, void (K::*method)()>
466 void set (K *object) 503 void set (K *object) EV_NOEXCEPT
467 { 504 {
468 set_ (object, method_noargs_thunk<K, method>); 505 set_ (object, method_noargs_thunk<K, method>);
469 } 506 }
470 507
471 template<class K, void (K::*method)()> 508 template<class K, void (K::*method)()>
472 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)
473 { 510 {
474 K *obj = static_cast<K *>(w->data); 511 (static_cast<K *>(w->data)->*method)
475 (obj->*method) (); 512 ();
476 } 513 }
477 514
478 void operator ()(int events = EV_UNDEF) 515 void operator ()(int events = EV_UNDEF)
479 { 516 {
517 return
480 return ev_cb (static_cast<ev_watcher *>(this)) 518 ev_cb (static_cast<ev_watcher *>(this))
481 (static_cast<ev_watcher *>(this), events); 519 (static_cast<ev_watcher *>(this), events);
482 } 520 }
483 521
484 bool is_active () const 522 bool is_active () const EV_NOEXCEPT
485 { 523 {
486 return ev_is_active (static_cast<const ev_watcher *>(this)); 524 return ev_is_active (static_cast<const ev_watcher *>(this));
487 } 525 }
488 526
489 bool is_pending () const 527 bool is_pending () const EV_NOEXCEPT
490 { 528 {
491 return ev_is_pending (static_cast<const ev_watcher *>(this)); 529 return ev_is_pending (static_cast<const ev_watcher *>(this));
492 } 530 }
493 531
494 void feed_event (int revents) 532 void feed_event (int revents) EV_NOEXCEPT
495 { 533 {
496 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); 534 ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents);
497 } 535 }
536 };
537
538 inline tstamp now (EV_P) EV_NOEXCEPT
539 {
540 return ev_now (EV_A);
498 }; 541 }
499 542
500 inline void delay (tstamp interval) 543 inline void delay (tstamp interval) EV_NOEXCEPT
501 { 544 {
502 ev_sleep (interval); 545 ev_sleep (interval);
503 } 546 }
504 547
505 inline int version_major () 548 inline int version_major () EV_NOEXCEPT
506 { 549 {
507 return ev_version_major (); 550 return ev_version_major ();
508 } 551 }
509 552
510 inline int version_minor () 553 inline int version_minor () EV_NOEXCEPT
511 { 554 {
512 return ev_version_minor (); 555 return ev_version_minor ();
513 } 556 }
514 557
515 inline unsigned int supported_backends () 558 inline unsigned int supported_backends () EV_NOEXCEPT
516 { 559 {
517 return ev_supported_backends (); 560 return ev_supported_backends ();
518 } 561 }
519 562
520 inline unsigned int recommended_backends () 563 inline unsigned int recommended_backends () EV_NOEXCEPT
521 { 564 {
522 return ev_recommended_backends (); 565 return ev_recommended_backends ();
523 } 566 }
524 567
525 inline unsigned int embeddable_backends () 568 inline unsigned int embeddable_backends () EV_NOEXCEPT
526 { 569 {
527 return ev_embeddable_backends (); 570 return ev_embeddable_backends ();
528 } 571 }
529 572
530 inline void set_allocator (void *(*cb)(void *ptr, long size)) 573 inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
531 { 574 {
532 ev_set_allocator (cb); 575 ev_set_allocator (cb);
533 } 576 }
534 577
535 inline void set_syserr_cb (void (*cb)(const char *msg)) 578 inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
536 { 579 {
537 ev_set_syserr_cb (cb); 580 ev_set_syserr_cb (cb);
538 } 581 }
539 582
540 #if EV_MULTIPLICITY 583 #if EV_MULTIPLICITY
541 #define EV_CONSTRUCT(cppstem,cstem) \ 584 #define EV_CONSTRUCT(cppstem,cstem) \
542 (EV_PX = get_default_loop ()) \ 585 (EV_PX = get_default_loop ()) EV_NOEXCEPT \
543 : base<ev_ ## cstem, cppstem> (EV_A) \ 586 : base<ev_ ## cstem, cppstem> (EV_A) \
544 { \ 587 { \
545 } 588 }
546 #else 589 #else
547 #define EV_CONSTRUCT(cppstem,cstem) \ 590 #define EV_CONSTRUCT(cppstem,cstem) \
548 () \ 591 () EV_NOEXCEPT \
549 { \ 592 { \
550 } 593 }
551 #endif 594 #endif
552 595
553 /* using a template here would require quite a bit more lines, 596 /* using a template here would require quite a few more lines,
554 * so a macro solution was chosen */ 597 * so a macro solution was chosen */
555 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 598 #define EV_BEGIN_WATCHER(cppstem,cstem) \
556 \ 599 \
557 struct cppstem : base<ev_ ## cstem, cppstem> \ 600 struct cppstem : base<ev_ ## cstem, cppstem> \
558 { \ 601 { \
559 void start () \ 602 void start () EV_NOEXCEPT \
560 { \ 603 { \
561 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 604 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
562 } \ 605 } \
563 \ 606 \
564 void stop () \ 607 void stop () EV_NOEXCEPT \
565 { \ 608 { \
566 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 609 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
567 } \ 610 } \
568 \ 611 \
569 cppstem EV_CONSTRUCT(cppstem,cstem) \ 612 cppstem EV_CONSTRUCT(cppstem,cstem) \
570 \ 613 \
571 ~cppstem () \ 614 ~cppstem () EV_NOEXCEPT \
572 { \ 615 { \
573 stop (); \ 616 stop (); \
574 } \ 617 } \
575 \ 618 \
576 using base<ev_ ## cstem, cppstem>::set; \ 619 using base<ev_ ## cstem, cppstem>::set; \
577 \ 620 \
578 private: \ 621 private: \
579 \ 622 \
580 cppstem (const cppstem &o); \ 623 cppstem (const cppstem &o); \
581 \ 624 \
582 cppstem & operator =(const cppstem &o); \ 625 cppstem &operator =(const cppstem &o); \
583 \ 626 \
584 public: 627 public:
585 628
586 #define EV_END_WATCHER(cppstem,cstem) \ 629 #define EV_END_WATCHER(cppstem,cstem) \
587 }; 630 };
631 //TODO: https://paste.debian.net/1268417/
588 632
589 EV_BEGIN_WATCHER (io, io) 633 EV_BEGIN_WATCHER (io, io)
590 void set (int fd, int events) 634 void set (int fd, int events) EV_NOEXCEPT
591 { 635 {
592 int active = is_active (); 636 freeze_guard freeze (this);
593 if (active) stop ();
594 ev_io_set (static_cast<ev_io *>(this), fd, events); 637 ev_io_set (static_cast<ev_io *>(this), fd, events);
595 if (active) start ();
596 } 638 }
597 639
598 void set (int events) 640 void set (int events) EV_NOEXCEPT
599 { 641 {
600 int active = is_active (); 642 freeze_guard freeze (this);
601 if (active) stop ();
602 ev_io_set (static_cast<ev_io *>(this), fd, events); 643 ev_io_modify (static_cast<ev_io *>(this), events);
603 if (active) start ();
604 } 644 }
605 645
606 void start (int fd, int events) 646 void start (int fd, int events) EV_NOEXCEPT
607 { 647 {
608 set (fd, events); 648 set (fd, events);
609 start (); 649 start ();
610 } 650 }
611 EV_END_WATCHER (io, io) 651 EV_END_WATCHER (io, io)
612 652
613 EV_BEGIN_WATCHER (timer, timer) 653 EV_BEGIN_WATCHER (timer, timer)
614 void set (ev_tstamp after, ev_tstamp repeat = 0.) 654 void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
615 { 655 {
616 int active = is_active (); 656 freeze_guard freeze (this);
617 if (active) stop ();
618 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 657 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
619 if (active) start ();
620 } 658 }
621 659
622 void start (ev_tstamp after, ev_tstamp repeat = 0.) 660 void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
623 { 661 {
624 set (after, repeat); 662 set (after, repeat);
625 start (); 663 start ();
626 } 664 }
627 665
628 void again () 666 void again () EV_NOEXCEPT
629 { 667 {
630 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));
631 } 674 }
632 EV_END_WATCHER (timer, timer) 675 EV_END_WATCHER (timer, timer)
633 676
634 #if EV_PERIODIC_ENABLE 677 #if EV_PERIODIC_ENABLE
635 EV_BEGIN_WATCHER (periodic, periodic) 678 EV_BEGIN_WATCHER (periodic, periodic)
636 void set (ev_tstamp at, ev_tstamp interval = 0.) 679 void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
637 { 680 {
638 int active = is_active (); 681 freeze_guard freeze (this);
639 if (active) stop ();
640 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 682 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
641 if (active) start ();
642 } 683 }
643 684
644 void start (ev_tstamp at, ev_tstamp interval = 0.) 685 void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
645 { 686 {
646 set (at, interval); 687 set (at, interval);
647 start (); 688 start ();
648 } 689 }
649 690
650 void again () 691 void again () EV_NOEXCEPT
651 { 692 {
652 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 693 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
653 } 694 }
654 EV_END_WATCHER (periodic, periodic) 695 EV_END_WATCHER (periodic, periodic)
655 #endif 696 #endif
656 697
698 #if EV_SIGNAL_ENABLE
657 EV_BEGIN_WATCHER (sig, signal) 699 EV_BEGIN_WATCHER (sig, signal)
658 void set (int signum) 700 void set (int signum) EV_NOEXCEPT
659 { 701 {
660 int active = is_active (); 702 freeze_guard freeze (this);
661 if (active) stop ();
662 ev_signal_set (static_cast<ev_signal *>(this), signum); 703 ev_signal_set (static_cast<ev_signal *>(this), signum);
663 if (active) start ();
664 } 704 }
665 705
666 void start (int signum) 706 void start (int signum) EV_NOEXCEPT
667 { 707 {
668 set (signum); 708 set (signum);
669 start (); 709 start ();
670 } 710 }
671 EV_END_WATCHER (sig, signal) 711 EV_END_WATCHER (sig, signal)
712 #endif
672 713
714 #if EV_CHILD_ENABLE
673 EV_BEGIN_WATCHER (child, child) 715 EV_BEGIN_WATCHER (child, child)
674 void set (int pid) 716 void set (int pid, int trace = 0) EV_NOEXCEPT
675 { 717 {
676 int active = is_active (); 718 freeze_guard freeze (this);
677 if (active) stop ();
678 ev_child_set (static_cast<ev_child *>(this), pid); 719 ev_child_set (static_cast<ev_child *>(this), pid, trace);
679 if (active) start ();
680 }
681
682 void start (int pid)
683 { 720 }
721
722 void start (int pid, int trace = 0) EV_NOEXCEPT
723 {
684 set (pid); 724 set (pid, trace);
685 start (); 725 start ();
686 } 726 }
687 EV_END_WATCHER (child, child) 727 EV_END_WATCHER (child, child)
728 #endif
688 729
689 #if EV_STAT_ENABLE 730 #if EV_STAT_ENABLE
690 EV_BEGIN_WATCHER (stat, stat) 731 EV_BEGIN_WATCHER (stat, stat)
691 void set (const char *path, ev_tstamp interval = 0.) 732 void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
692 { 733 {
693 int active = is_active (); 734 freeze_guard freeze (this);
694 if (active) stop ();
695 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 735 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
696 if (active) start ();
697 } 736 }
698 737
699 void start (const char *path, ev_tstamp interval = 0.) 738 void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
700 { 739 {
701 stop (); 740 stop ();
702 set (path, interval); 741 set (path, interval);
703 start (); 742 start ();
704 } 743 }
705 744
706 void update () 745 void update () EV_NOEXCEPT
707 { 746 {
708 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 747 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
709 } 748 }
710 EV_END_WATCHER (stat, stat) 749 EV_END_WATCHER (stat, stat)
711 #endif 750 #endif
712 751
752 #if EV_IDLE_ENABLE
713 EV_BEGIN_WATCHER (idle, idle) 753 EV_BEGIN_WATCHER (idle, idle)
714 void set () { } 754 void set () EV_NOEXCEPT { }
715 EV_END_WATCHER (idle, idle) 755 EV_END_WATCHER (idle, idle)
756 #endif
716 757
758 #if EV_PREPARE_ENABLE
717 EV_BEGIN_WATCHER (prepare, prepare) 759 EV_BEGIN_WATCHER (prepare, prepare)
718 void set () { } 760 void set () EV_NOEXCEPT { }
719 EV_END_WATCHER (prepare, prepare) 761 EV_END_WATCHER (prepare, prepare)
762 #endif
720 763
764 #if EV_CHECK_ENABLE
721 EV_BEGIN_WATCHER (check, check) 765 EV_BEGIN_WATCHER (check, check)
722 void set () { } 766 void set () EV_NOEXCEPT { }
723 EV_END_WATCHER (check, check) 767 EV_END_WATCHER (check, check)
768 #endif
724 769
725 #if EV_EMBED_ENABLE 770 #if EV_EMBED_ENABLE
726 EV_BEGIN_WATCHER (embed, embed) 771 EV_BEGIN_WATCHER (embed, embed)
727 void start (struct ev_loop *embedded_loop) 772 void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT
728 { 773 {
729 stop (); 774 freeze_guard freeze (this);
730 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);
731 start (); 781 start ();
732 } 782 }
733 783
734 void sweep () 784 void sweep ()
735 { 785 {
… …
738 EV_END_WATCHER (embed, embed) 788 EV_END_WATCHER (embed, embed)
739 #endif 789 #endif
740 790
741 #if EV_FORK_ENABLE 791 #if EV_FORK_ENABLE
742 EV_BEGIN_WATCHER (fork, fork) 792 EV_BEGIN_WATCHER (fork, fork)
743 void set () { } 793 void set () EV_NOEXCEPT { }
744 EV_END_WATCHER (fork, fork) 794 EV_END_WATCHER (fork, fork)
795 #endif
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)
745 #endif 809 #endif
746 810
747 #undef EV_PX 811 #undef EV_PX
748 #undef EV_PX_ 812 #undef EV_PX_
749 #undef EV_CONSTRUCT 813 #undef EV_CONSTRUCT
750 #undef EV_BEGIN_WATCHER 814 #undef EV_BEGIN_WATCHER
751 #undef EV_END_WATCHER 815 #undef EV_END_WATCHER
752
753} 816}
754 817
755#endif 818#endif
756 819

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