ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev++.h
(Generate patch)

Comparing libev/ev++.h (file contents):
Revision 1.30 by llucax, Fri Jan 18 18:15:35 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_CXX_EXCEPTIONS 49#ifndef EV_USE_STDEXCEPT
50#define EV_CXX_EXCEPTIONS 1 50# define EV_USE_STDEXCEPT 1
51#endif 51#endif
52 52
53#undef EV_THROW 53#if EV_USE_STDEXCEPT
54#if EV_CXX_EXCEPTIONS
55# include <stdexcept> 54# include <stdexcept>
56# define EV_THROW(exception) throw (exception)
57#else
58# define EV_THROW(exception)
59#endif 55#endif
60 56
61namespace ev { 57namespace ev {
62 58
63 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
… …
65 enum { 61 enum {
66 UNDEF = EV_UNDEF, 62 UNDEF = EV_UNDEF,
67 NONE = EV_NONE, 63 NONE = EV_NONE,
68 READ = EV_READ, 64 READ = EV_READ,
69 WRITE = EV_WRITE, 65 WRITE = EV_WRITE,
66#if EV_COMPAT3
70 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
68#endif
69 TIMER = EV_TIMER,
71 PERIODIC = EV_PERIODIC, 70 PERIODIC = EV_PERIODIC,
72 SIGNAL = EV_SIGNAL, 71 SIGNAL = EV_SIGNAL,
73 CHILD = EV_CHILD, 72 CHILD = EV_CHILD,
74 STAT = EV_STAT, 73 STAT = EV_STAT,
75 IDLE = EV_IDLE, 74 IDLE = EV_IDLE,
76 CHECK = EV_CHECK, 75 CHECK = EV_CHECK,
77 PREPARE = EV_PREPARE, 76 PREPARE = EV_PREPARE,
78 FORK = EV_FORK, 77 FORK = EV_FORK,
78 ASYNC = EV_ASYNC,
79 EMBED = EV_EMBED, 79 EMBED = EV_EMBED,
80# undef ERROR // some systems stupidly #define ERROR
80 ERROR = EV_ERROR, 81 ERROR = EV_ERROR
81 }; 82 };
82 83
83 enum 84 enum
84 { 85 {
85 AUTO = EVFLAG_AUTO, 86 AUTO = EVFLAG_AUTO,
86 NOENV = EVFLAG_NOENV, 87 NOENV = EVFLAG_NOENV,
87 FORKCHECK = EVFLAG_FORKCHECK, 88 FORKCHECK = EVFLAG_FORKCHECK,
89
88 SELECT = EVBACKEND_SELECT, 90 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL, 91 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL, 92 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE, 93 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL, 94 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT 95 PORT = EVBACKEND_PORT
94 }; 96 };
95 97
96 enum 98 enum
97 { 99 {
100#if EV_COMPAT3
98 NONBLOCK = EVLOOP_NONBLOCK, 101 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT 102 ONESHOT = EVLOOP_ONESHOT,
103#endif
104 NOWAIT = EVRUN_NOWAIT,
105 ONCE = EVRUN_ONCE
100 }; 106 };
101 107
102 enum how_t 108 enum how_t
103 { 109 {
104 ONE = EVUNLOOP_ONE, 110 ONE = EVBREAK_ONE,
105 ALL = EVUNLOOP_ALL 111 ALL = EVBREAK_ALL
106 }; 112 };
107 113
108#if EV_CXX_EXCEPTIONS 114 struct bad_loop
109 struct bad_loop: std::runtime_error 115#if EV_USE_STDEXCEPT
116 : std::exception
117#endif
118 {
119#if EV_USE_STDEXCEPT
120 const char *what () const EV_NOEXCEPT
110 { 121 {
111 bad_loop() 122 return "libev event loop cannot be initialized, bad value of LIBEV_FLAGS?";
112 : std::runtime_error("loop can't be initialized") {} 123 }
113 };
114#endif 124#endif
125 };
115 126
116#ifdef EV_AX 127#ifdef EV_AX
117# undef EV_AX 128# undef EV_AX
118#endif 129#endif
119 130
… …
129# define EV_AX_ 140# define EV_AX_
130#endif 141#endif
131 142
132 struct loop_ref 143 struct loop_ref
133 { 144 {
134
135 loop_ref (EV_P) 145 loop_ref (EV_P) EV_NOEXCEPT
136#if EV_MULTIPLICITY 146#if EV_MULTIPLICITY
137 EV_THROW (bad_loop) : EV_AX (EV_A) 147 : EV_AX (EV_A)
138#endif 148#endif
139 {
140#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
141 if (!EV_A)
142 throw bad_loop ();
143#endif
144 } 149 {
150 }
145 151
146 bool operator== (const loop_ref &other) const EV_THROW () 152 bool operator == (const loop_ref &other) const EV_NOEXCEPT
147 { 153 {
148#if EV_MULTIPLICITY 154#if EV_MULTIPLICITY
149 return this->EV_AX == other.EV_AX; 155 return EV_AX == other.EV_AX;
150#else 156#else
151 return true; 157 return true;
152#endif 158#endif
153 } 159 }
154 160
155 bool operator!= (const loop_ref &other) const EV_THROW () 161 bool operator != (const loop_ref &other) const EV_NOEXCEPT
156 { 162 {
157#if EV_MULTIPLICITY 163#if EV_MULTIPLICITY
158 return ! (*this == other); 164 return ! (*this == other);
159#else 165#else
160 return false; 166 return false;
161#endif 167#endif
162 } 168 }
163 169
164#if EV_MULTIPLICITY 170#if EV_MULTIPLICITY
165 bool operator== (struct ev_loop *other) const EV_THROW () 171 bool operator == (const EV_P) const EV_NOEXCEPT
166 { 172 {
167 return this->EV_AX == other; 173 return this->EV_AX == EV_A;
168 }
169
170 bool operator!= (struct ev_loop *other) const EV_THROW ()
171 { 174 }
175
176 bool operator != (const EV_P) const EV_NOEXCEPT
177 {
172 return ! (*this == other); 178 return ! (*this == EV_A);
173 }
174
175 bool operator== (const struct ev_loop *other) const EV_THROW ()
176 { 179 }
177 return this->EV_AX == other;
178 }
179 180
180 bool operator!= (const struct ev_loop *other) const EV_THROW ()
181 {
182 return (*this == other);
183 }
184
185 operator struct ev_loop * () const EV_THROW () 181 operator struct ev_loop * () const EV_NOEXCEPT
186 { 182 {
187 return EV_AX; 183 return EV_AX;
188 } 184 }
189 185
190 operator const struct ev_loop * () const EV_THROW () 186 operator const struct ev_loop * () const EV_NOEXCEPT
191 { 187 {
192 return EV_AX; 188 return EV_AX;
193 } 189 }
194 190
195 bool is_default () const EV_THROW () 191 bool is_default () const EV_NOEXCEPT
196 { 192 {
197 return EV_AX == ev_default_loop (0); 193 return EV_AX == ev_default_loop (0);
198 } 194 }
199#endif 195#endif
200 196
197#if EV_COMPAT3
201 void loop (int flags = 0) 198 void loop (int flags = 0)
202 { 199 {
203 ev_loop (EV_AX_ flags); 200 ev_run (EV_AX_ flags);
204 } 201 }
205 202
206 void unloop (how_t how = ONE) EV_THROW () 203 void unloop (how_t how = ONE) EV_NOEXCEPT
207 { 204 {
208 ev_unloop (EV_AX_ how); 205 ev_break (EV_AX_ how);
209 }
210
211 void post_fork () EV_THROW ()
212 { 206 }
213#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 {
214 ev_loop_fork (EV_AX); 221 ev_loop_fork (EV_AX);
215#else
216 ev_default_fork ();
217#endif
218 }
219
220 unsigned int count () const EV_THROW ()
221 { 222 }
222 return ev_loop_count (EV_AX);
223 }
224 223
225 unsigned int backend () const EV_THROW () 224 unsigned int backend () const EV_NOEXCEPT
226 { 225 {
227 return ev_backend (EV_AX); 226 return ev_backend (EV_AX);
228 } 227 }
229 228
230 tstamp now () const EV_THROW () 229 tstamp now () const EV_NOEXCEPT
231 { 230 {
232 return ev_now (EV_AX); 231 return ev_now (EV_AX);
233 } 232 }
234 233
235 void ref () EV_THROW () 234 void ref () EV_NOEXCEPT
236 { 235 {
237 ev_ref (EV_AX); 236 ev_ref (EV_AX);
238 } 237 }
239 238
240 void unref () EV_THROW () 239 void unref () EV_NOEXCEPT
241 { 240 {
242 ev_unref (EV_AX); 241 ev_unref (EV_AX);
243 } 242 }
244 243
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
245 void set_io_collect_interval (tstamp interval) EV_THROW () 255 void set_io_collect_interval (tstamp interval) EV_NOEXCEPT
246 { 256 {
247 ev_set_io_collect_interval (EV_AX_ interval); 257 ev_set_io_collect_interval (EV_AX_ interval);
248 } 258 }
249 259
250 void set_timeout_collect_interval (tstamp interval) EV_THROW () 260 void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT
251 { 261 {
252 ev_set_timeout_collect_interval (EV_AX_ interval); 262 ev_set_timeout_collect_interval (EV_AX_ interval);
253 } 263 }
264#endif
254 265
255 // function callback 266 // function callback
256 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) EV_THROW () 267 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT
257 { 268 {
258 ev_once (EV_AX_ fd, events, timeout, cb, arg); 269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
259 } 270 }
260 271
261 // method callback 272 // method callback
262 template<class K, void (K::*method)(int)> 273 template<class K, void (K::*method)(int)>
263 void once (int fd, int events, tstamp timeout, K *object) EV_THROW () 274 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
264 { 275 {
265 once (fd, events, timeout, method_thunk<K, method>, object); 276 once (fd, events, timeout, method_thunk<K, method>, object);
266 } 277 }
267 278
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
268 template<class K, void (K::*method)(int)> 286 template<class K, void (K::*method)(int)>
269 static void method_thunk (int revents, void* arg) 287 static void method_thunk (int revents, void *arg)
270 {
271 K *obj = static_cast<K *>(arg);
272 (obj->*method) (revents);
273 } 288 {
289 (static_cast<K *>(arg)->*method)
290 (revents);
291 }
274 292
275 // const method callback 293 // no-argument method callback
276 template<class K, void (K::*method)(int) const>
277 void once (int fd, int events, tstamp timeout, const K *object) EV_THROW ()
278 {
279 once (fd, events, timeout, const_method_thunk<K, method>, object);
280 }
281
282 template<class K, void (K::*method)(int) const>
283 static void const_method_thunk (int revents, void* arg)
284 {
285 K *obj = static_cast<K *>(arg);
286 (obj->*method) (revents);
287 }
288
289 // simple method callback
290 template<class K, void (K::*method)()> 294 template<class K, void (K::*method)()>
291 void once (int fd, int events, tstamp timeout, K *object) EV_THROW () 295 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
292 { 296 {
293 once (fd, events, timeout, method_noargs_thunk<K, method>, object); 297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
294 } 298 }
295 299
296 template<class K, void (K::*method)()> 300 template<class K, void (K::*method)()>
297 static void method_noargs_thunk (int revents, void* arg) 301 static void method_noargs_thunk (int revents, void *arg)
298 { 302 {
299 K *obj = static_cast<K *>(arg); 303 (static_cast<K *>(arg)->*method)
300 (obj->*method) (); 304 ();
301 } 305 }
302 306
303 // simpler function callback 307 // simpler function callback
304 template<void (*cb)(int)> 308 template<void (*cb)(int)>
305 void once (int fd, int events, tstamp timeout) EV_THROW () 309 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
306 { 310 {
307 once (fd, events, timeout, simpler_func_thunk<cb>); 311 once (fd, events, timeout, simpler_func_thunk<cb>);
308 } 312 }
309 313
310 template<void (*cb)(int)> 314 template<void (*cb)(int)>
311 static void simpler_func_thunk (int revents, void* arg) 315 static void simpler_func_thunk (int revents, void *arg)
312 { 316 {
317 (*cb)
313 (*cb) (revents); 318 (revents);
314 } 319 }
315 320
316 // simplest function callback 321 // simplest function callback
317 template<void (*cb)()> 322 template<void (*cb)()>
318 void once (int fd, int events, tstamp timeout) EV_THROW () 323 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
319 { 324 {
320 once (fd, events, timeout, simplest_func_thunk<cb>); 325 once (fd, events, timeout, simplest_func_thunk<cb>);
321 } 326 }
322 327
323 template<void (*cb)()> 328 template<void (*cb)()>
324 static void simplest_func_thunk (int revents, void* arg) 329 static void simplest_func_thunk (int revents, void *arg)
325 { 330 {
326 (*cb) (); 331 (*cb)
332 ();
327 } 333 }
328 334
329 void feed_fd_event (int fd, int revents) EV_THROW () 335 void feed_fd_event (int fd, int revents) EV_NOEXCEPT
330 { 336 {
331 ev_feed_fd_event (EV_AX_ fd, revents); 337 ev_feed_fd_event (EV_AX_ fd, revents);
332 } 338 }
333 339
334 void feed_signal_event (int signum) EV_THROW () 340 void feed_signal_event (int signum) EV_NOEXCEPT
335 { 341 {
336 ev_feed_signal_event (EV_AX_ signum); 342 ev_feed_signal_event (EV_AX_ signum);
337 } 343 }
338 344
339#if EV_MULTIPLICITY 345#if EV_MULTIPLICITY
… …
341#endif 347#endif
342 348
343 }; 349 };
344 350
345#if EV_MULTIPLICITY 351#if EV_MULTIPLICITY
346 struct dynamic_loop: loop_ref 352 struct dynamic_loop : loop_ref
347 { 353 {
348 354
349 dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 355 dynamic_loop (unsigned int flags = AUTO)
350 : loop_ref (ev_loop_new (flags)) 356 : loop_ref (ev_loop_new (flags))
351 {
352 } 357 {
358 if (!EV_AX)
359 throw bad_loop ();
360 }
353 361
354 ~dynamic_loop () EV_THROW () 362 ~dynamic_loop () EV_NOEXCEPT
355 { 363 {
356 ev_loop_destroy (EV_AX); 364 ev_loop_destroy (EV_AX);
357 EV_AX = 0; 365 EV_AX = 0;
358 } 366 }
359 367
… …
364 dynamic_loop & operator= (const dynamic_loop &); 372 dynamic_loop & operator= (const dynamic_loop &);
365 373
366 }; 374 };
367#endif 375#endif
368 376
369 struct default_loop: loop_ref 377 struct default_loop : loop_ref
370 { 378 {
371
372 default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 379 default_loop (unsigned int flags = AUTO)
373#if EV_MULTIPLICITY 380#if EV_MULTIPLICITY
374 : loop_ref (ev_default_loop (flags)) 381 : loop_ref (ev_default_loop (flags))
375 { 382#endif
376 } 383 {
384 if (
385#if EV_MULTIPLICITY
386 !EV_AX
377#else 387#else
378 {
379 #if EV_CXX_EXCEPTIONS
380 int r =
381 #endif
382 ev_default_loop (flags); 388 !ev_default_loop (flags)
383 #if EV_CXX_EXCEPTIONS 389#endif
384 if (!r) 390 )
385 throw bad_loop (); 391 throw bad_loop ();
386 #endif
387 }
388#endif
389
390 ~default_loop () EV_THROW ()
391 {
392 ev_default_destroy ();
393#if EV_MULTIPLICITY
394 EV_AX = 0;
395#endif
396 } 392 }
397 393
398 private: 394 private:
399
400 default_loop (const default_loop &); 395 default_loop (const default_loop &);
401
402 default_loop & operator= (const default_loop &); 396 default_loop &operator = (const default_loop &);
403
404 }; 397 };
405 398
406 inline loop_ref get_default_loop () EV_THROW () 399 inline loop_ref get_default_loop () EV_NOEXCEPT
407 { 400 {
408#if EV_MULTIPLICITY 401#if EV_MULTIPLICITY
409 return ev_default_loop (0); 402 return ev_default_loop (0);
410#else 403#else
411 return loop_ref (); 404 return loop_ref ();
… …
426#endif 419#endif
427 420
428 template<class ev_watcher, class watcher> 421 template<class ev_watcher, class watcher>
429 struct base : ev_watcher 422 struct base : ev_watcher
430 { 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
431 #if EV_MULTIPLICITY 442 #if EV_MULTIPLICITY
432 EV_PX; 443 EV_PX;
433 444
445 // loop set
434 void set (EV_PX) EV_THROW () 446 void set (EV_P) EV_NOEXCEPT
435 { 447 {
436 this->EV_A = EV_A; 448 this->EV_A = EV_A;
437 } 449 }
438 #endif 450 #endif
439 451
440 base (EV_PX) EV_THROW () 452 base (EV_PX) EV_NOEXCEPT
441 #if EV_MULTIPLICITY 453 #if EV_MULTIPLICITY
442 : EV_A (EV_A) 454 : EV_A (EV_A)
443 #endif 455 #endif
444 { 456 {
445 ev_init (this, 0); 457 ev_init (this, 0);
446 } 458 }
447 459
448 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_THROW () 460 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_NOEXCEPT
449 { 461 {
450 this->data = data; 462 this->data = (void *)data;
451 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);
452 } 478 }
453 479
454 // method callback 480 // method callback
455 template<class K, void (K::*method)(watcher &w, int)> 481 template<class K, void (K::*method)(watcher &w, int)>
456 void set (K *object) EV_THROW () 482 void set (K *object) EV_NOEXCEPT
457 { 483 {
458 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 ()>);
459 } 492 }
460 493
461 template<class K, void (K::*method)(watcher &w, int)> 494 template<class K, void (K::*method)(watcher &w, int)>
462 static void method_thunk (EV_P_ ev_watcher *w, int revents) 495 static void method_thunk (EV_P_ ev_watcher *w, int revents)
463 { 496 {
464 K *obj = static_cast<K *>(w->data); 497 (static_cast<K *>(w->data)->*method)
465 (obj->*method) (*static_cast<watcher *>(w), revents);
466 }
467
468 // const method callback
469 template<class K, void (K::*method)(watcher &w, int) const>
470 void set (const K *object) EV_THROW ()
471 {
472 set_ (object, const_method_thunk<K, method>);
473 }
474
475 template<class K, void (K::*method)(watcher &w, int) const>
476 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
477 {
478 K *obj = static_cast<K *>(w->data);
479 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
480 }
481
482 // function callback
483 template<void (*function)(watcher &w, int)>
484 void set (void *data = 0) EV_THROW ()
485 {
486 set_ (data, function_thunk<function>);
487 }
488
489 template<void (*function)(watcher &w, int)>
490 static void function_thunk (EV_P_ ev_watcher *w, int revents)
491 {
492 function (*static_cast<watcher *>(w), revents); 498 (*static_cast<watcher *>(w), revents);
493 } 499 }
494 500
495 // simple callback 501 // no-argument callback
496 template<class K, void (K::*method)()> 502 template<class K, void (K::*method)()>
497 void set (K *object) EV_THROW () 503 void set (K *object) EV_NOEXCEPT
498 { 504 {
499 set_ (object, method_noargs_thunk<K, method>); 505 set_ (object, method_noargs_thunk<K, method>);
500 } 506 }
501 507
502 template<class K, void (K::*method)()> 508 template<class K, void (K::*method)()>
503 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)
504 { 510 {
505 K *obj = static_cast<K *>(w->data); 511 (static_cast<K *>(w->data)->*method)
506 (obj->*method) (); 512 ();
507 } 513 }
508 514
509 void operator ()(int events = EV_UNDEF) 515 void operator ()(int events = EV_UNDEF)
510 { 516 {
517 return
511 return ev_cb (static_cast<ev_watcher *>(this)) 518 ev_cb (static_cast<ev_watcher *>(this))
512 (static_cast<ev_watcher *>(this), events); 519 (static_cast<ev_watcher *>(this), events);
513 } 520 }
514 521
515 bool is_active () const EV_THROW () 522 bool is_active () const EV_NOEXCEPT
516 { 523 {
517 return ev_is_active (static_cast<const ev_watcher *>(this)); 524 return ev_is_active (static_cast<const ev_watcher *>(this));
518 } 525 }
519 526
520 bool is_pending () const EV_THROW () 527 bool is_pending () const EV_NOEXCEPT
521 { 528 {
522 return ev_is_pending (static_cast<const ev_watcher *>(this)); 529 return ev_is_pending (static_cast<const ev_watcher *>(this));
523 } 530 }
524 531
525 void feed_event (int revents) EV_THROW () 532 void feed_event (int revents) EV_NOEXCEPT
526 { 533 {
527 ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); 534 ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents);
528 } 535 }
529 };
530
531 inline tstamp now () EV_THROW ()
532 {
533 return ev_time ();
534 } 536 };
535 537
538 inline tstamp now (EV_P) EV_NOEXCEPT
539 {
540 return ev_now (EV_A);
541 }
542
536 inline void delay (tstamp interval) EV_THROW () 543 inline void delay (tstamp interval) EV_NOEXCEPT
537 { 544 {
538 ev_sleep (interval); 545 ev_sleep (interval);
539 } 546 }
540 547
541 inline int version_major () EV_THROW () 548 inline int version_major () EV_NOEXCEPT
542 { 549 {
543 return ev_version_major (); 550 return ev_version_major ();
544 } 551 }
545 552
546 inline int version_minor () EV_THROW () 553 inline int version_minor () EV_NOEXCEPT
547 { 554 {
548 return ev_version_minor (); 555 return ev_version_minor ();
549 } 556 }
550 557
551 inline unsigned int supported_backends () EV_THROW () 558 inline unsigned int supported_backends () EV_NOEXCEPT
552 { 559 {
553 return ev_supported_backends (); 560 return ev_supported_backends ();
554 } 561 }
555 562
556 inline unsigned int recommended_backends () EV_THROW () 563 inline unsigned int recommended_backends () EV_NOEXCEPT
557 { 564 {
558 return ev_recommended_backends (); 565 return ev_recommended_backends ();
559 } 566 }
560 567
561 inline unsigned int embeddable_backends () EV_THROW () 568 inline unsigned int embeddable_backends () EV_NOEXCEPT
562 { 569 {
563 return ev_embeddable_backends (); 570 return ev_embeddable_backends ();
564 } 571 }
565 572
566 inline void set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW () 573 inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
567 { 574 {
568 ev_set_allocator (cb); 575 ev_set_allocator (cb);
569 } 576 }
570 577
571 inline void set_syserr_cb (void (*cb)(const char *msg)) EV_THROW () 578 inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
572 { 579 {
573 ev_set_syserr_cb (cb); 580 ev_set_syserr_cb (cb);
574 } 581 }
575 582
576 #if EV_MULTIPLICITY 583 #if EV_MULTIPLICITY
577 #define EV_CONSTRUCT(cppstem,cstem) \ 584 #define EV_CONSTRUCT(cppstem,cstem) \
578 (EV_PX = get_default_loop ()) EV_THROW () \ 585 (EV_PX = get_default_loop ()) EV_NOEXCEPT \
579 : base<ev_ ## cstem, cppstem> (EV_A) \ 586 : base<ev_ ## cstem, cppstem> (EV_A) \
580 { \ 587 { \
581 } 588 }
582 #else 589 #else
583 #define EV_CONSTRUCT(cppstem,cstem) \ 590 #define EV_CONSTRUCT(cppstem,cstem) \
584 () EV_THROW () \ 591 () EV_NOEXCEPT \
585 { \ 592 { \
586 } 593 }
587 #endif 594 #endif
588 595
589 /* using a template here would require quite a bit more lines, 596 /* using a template here would require quite a few more lines,
590 * so a macro solution was chosen */ 597 * so a macro solution was chosen */
591 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 598 #define EV_BEGIN_WATCHER(cppstem,cstem) \
592 \ 599 \
593 struct cppstem : base<ev_ ## cstem, cppstem> \ 600 struct cppstem : base<ev_ ## cstem, cppstem> \
594 { \ 601 { \
595 void start () EV_THROW () \ 602 void start () EV_NOEXCEPT \
596 { \ 603 { \
597 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 604 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
598 } \ 605 } \
599 \ 606 \
600 void stop () EV_THROW () \ 607 void stop () EV_NOEXCEPT \
601 { \ 608 { \
602 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 609 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
603 } \ 610 } \
604 \ 611 \
605 cppstem EV_CONSTRUCT(cppstem,cstem) \ 612 cppstem EV_CONSTRUCT(cppstem,cstem) \
606 \ 613 \
607 ~cppstem () EV_THROW () \ 614 ~cppstem () EV_NOEXCEPT \
608 { \ 615 { \
609 stop (); \ 616 stop (); \
610 } \ 617 } \
611 \ 618 \
612 using base<ev_ ## cstem, cppstem>::set; \ 619 using base<ev_ ## cstem, cppstem>::set; \
613 \ 620 \
614 private: \ 621 private: \
615 \ 622 \
616 cppstem (const cppstem &o); \ 623 cppstem (const cppstem &o); \
617 \ 624 \
618 cppstem & operator =(const cppstem &o); \ 625 cppstem &operator =(const cppstem &o); \
619 \ 626 \
620 public: 627 public:
621 628
622 #define EV_END_WATCHER(cppstem,cstem) \ 629 #define EV_END_WATCHER(cppstem,cstem) \
623 }; 630 };
631 //TODO: https://paste.debian.net/1268417/
624 632
625 EV_BEGIN_WATCHER (io, io) 633 EV_BEGIN_WATCHER (io, io)
626 void set (int fd, int events) EV_THROW () 634 void set (int fd, int events) EV_NOEXCEPT
627 { 635 {
628 int active = is_active (); 636 freeze_guard freeze (this);
629 if (active) stop ();
630 ev_io_set (static_cast<ev_io *>(this), fd, events); 637 ev_io_set (static_cast<ev_io *>(this), fd, events);
631 if (active) start ();
632 } 638 }
633 639
634 void set (int events) EV_THROW () 640 void set (int events) EV_NOEXCEPT
635 { 641 {
636 int active = is_active (); 642 freeze_guard freeze (this);
637 if (active) stop ();
638 ev_io_set (static_cast<ev_io *>(this), fd, events); 643 ev_io_modify (static_cast<ev_io *>(this), events);
639 if (active) start ();
640 } 644 }
641 645
642 void start (int fd, int events) EV_THROW () 646 void start (int fd, int events) EV_NOEXCEPT
643 { 647 {
644 set (fd, events); 648 set (fd, events);
645 start (); 649 start ();
646 } 650 }
647 EV_END_WATCHER (io, io) 651 EV_END_WATCHER (io, io)
648 652
649 EV_BEGIN_WATCHER (timer, timer) 653 EV_BEGIN_WATCHER (timer, timer)
650 void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_THROW () 654 void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
651 { 655 {
652 int active = is_active (); 656 freeze_guard freeze (this);
653 if (active) stop ();
654 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 657 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
655 if (active) start ();
656 } 658 }
657 659
658 void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_THROW () 660 void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
659 { 661 {
660 set (after, repeat); 662 set (after, repeat);
661 start (); 663 start ();
662 } 664 }
663 665
664 void again () EV_THROW () 666 void again () EV_NOEXCEPT
665 { 667 {
666 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));
667 } 674 }
668 EV_END_WATCHER (timer, timer) 675 EV_END_WATCHER (timer, timer)
669 676
670 #if EV_PERIODIC_ENABLE 677 #if EV_PERIODIC_ENABLE
671 EV_BEGIN_WATCHER (periodic, periodic) 678 EV_BEGIN_WATCHER (periodic, periodic)
672 void set (ev_tstamp at, ev_tstamp interval = 0.) EV_THROW () 679 void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
673 { 680 {
674 int active = is_active (); 681 freeze_guard freeze (this);
675 if (active) stop ();
676 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 682 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
677 if (active) start ();
678 } 683 }
679 684
680 void start (ev_tstamp at, ev_tstamp interval = 0.) EV_THROW () 685 void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
681 { 686 {
682 set (at, interval); 687 set (at, interval);
683 start (); 688 start ();
684 } 689 }
685 690
686 void again () EV_THROW () 691 void again () EV_NOEXCEPT
687 { 692 {
688 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 693 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
689 } 694 }
690 EV_END_WATCHER (periodic, periodic) 695 EV_END_WATCHER (periodic, periodic)
691 #endif 696 #endif
692 697
698 #if EV_SIGNAL_ENABLE
693 EV_BEGIN_WATCHER (sig, signal) 699 EV_BEGIN_WATCHER (sig, signal)
694 void set (int signum) EV_THROW () 700 void set (int signum) EV_NOEXCEPT
695 { 701 {
696 int active = is_active (); 702 freeze_guard freeze (this);
697 if (active) stop ();
698 ev_signal_set (static_cast<ev_signal *>(this), signum); 703 ev_signal_set (static_cast<ev_signal *>(this), signum);
699 if (active) start ();
700 } 704 }
701 705
702 void start (int signum) EV_THROW () 706 void start (int signum) EV_NOEXCEPT
703 { 707 {
704 set (signum); 708 set (signum);
705 start (); 709 start ();
706 } 710 }
707 EV_END_WATCHER (sig, signal) 711 EV_END_WATCHER (sig, signal)
712 #endif
708 713
714 #if EV_CHILD_ENABLE
709 EV_BEGIN_WATCHER (child, child) 715 EV_BEGIN_WATCHER (child, child)
710 void set (int pid) EV_THROW () 716 void set (int pid, int trace = 0) EV_NOEXCEPT
711 { 717 {
712 int active = is_active (); 718 freeze_guard freeze (this);
713 if (active) stop ();
714 ev_child_set (static_cast<ev_child *>(this), pid); 719 ev_child_set (static_cast<ev_child *>(this), pid, trace);
715 if (active) start ();
716 }
717
718 void start (int pid) EV_THROW ()
719 { 720 }
721
722 void start (int pid, int trace = 0) EV_NOEXCEPT
723 {
720 set (pid); 724 set (pid, trace);
721 start (); 725 start ();
722 } 726 }
723 EV_END_WATCHER (child, child) 727 EV_END_WATCHER (child, child)
728 #endif
724 729
725 #if EV_STAT_ENABLE 730 #if EV_STAT_ENABLE
726 EV_BEGIN_WATCHER (stat, stat) 731 EV_BEGIN_WATCHER (stat, stat)
727 void set (const char *path, ev_tstamp interval = 0.) EV_THROW () 732 void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
728 { 733 {
729 int active = is_active (); 734 freeze_guard freeze (this);
730 if (active) stop ();
731 ev_stat_set (static_cast<ev_stat *>(this), path, interval); 735 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
732 if (active) start ();
733 } 736 }
734 737
735 void start (const char *path, ev_tstamp interval = 0.) EV_THROW () 738 void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
736 { 739 {
737 stop (); 740 stop ();
738 set (path, interval); 741 set (path, interval);
739 start (); 742 start ();
740 } 743 }
741 744
742 void update () EV_THROW () 745 void update () EV_NOEXCEPT
743 { 746 {
744 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); 747 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
745 } 748 }
746 EV_END_WATCHER (stat, stat) 749 EV_END_WATCHER (stat, stat)
747 #endif 750 #endif
748 751
752 #if EV_IDLE_ENABLE
749 EV_BEGIN_WATCHER (idle, idle) 753 EV_BEGIN_WATCHER (idle, idle)
750 void set () EV_THROW () { } 754 void set () EV_NOEXCEPT { }
751 EV_END_WATCHER (idle, idle) 755 EV_END_WATCHER (idle, idle)
756 #endif
752 757
758 #if EV_PREPARE_ENABLE
753 EV_BEGIN_WATCHER (prepare, prepare) 759 EV_BEGIN_WATCHER (prepare, prepare)
754 void set () EV_THROW () { } 760 void set () EV_NOEXCEPT { }
755 EV_END_WATCHER (prepare, prepare) 761 EV_END_WATCHER (prepare, prepare)
762 #endif
756 763
764 #if EV_CHECK_ENABLE
757 EV_BEGIN_WATCHER (check, check) 765 EV_BEGIN_WATCHER (check, check)
758 void set () EV_THROW () { } 766 void set () EV_NOEXCEPT { }
759 EV_END_WATCHER (check, check) 767 EV_END_WATCHER (check, check)
768 #endif
760 769
761 #if EV_EMBED_ENABLE 770 #if EV_EMBED_ENABLE
762 EV_BEGIN_WATCHER (embed, embed) 771 EV_BEGIN_WATCHER (embed, embed)
763 void start (struct ev_loop *embedded_loop) EV_THROW () 772 void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT
764 { 773 {
765 stop (); 774 freeze_guard freeze (this);
766 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);
767 start (); 781 start ();
768 } 782 }
769 783
770 void sweep () 784 void sweep ()
771 { 785 {
… …
774 EV_END_WATCHER (embed, embed) 788 EV_END_WATCHER (embed, embed)
775 #endif 789 #endif
776 790
777 #if EV_FORK_ENABLE 791 #if EV_FORK_ENABLE
778 EV_BEGIN_WATCHER (fork, fork) 792 EV_BEGIN_WATCHER (fork, fork)
779 void set () EV_THROW () { } 793 void set () EV_NOEXCEPT { }
780 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)
781 #endif 809 #endif
782 810
783 #undef EV_PX 811 #undef EV_PX
784 #undef EV_PX_ 812 #undef EV_PX_
785 #undef EV_CONSTRUCT 813 #undef EV_CONSTRUCT
786 #undef EV_BEGIN_WATCHER 814 #undef EV_BEGIN_WATCHER
787 #undef EV_END_WATCHER 815 #undef EV_END_WATCHER
788
789} 816}
790 817
791#undef EV_THROW
792
793#endif 818#endif
794 819

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines