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