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 | |
49 | namespace ev { |
57 | namespace 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 |
|
|
125 | }; |
|
|
126 | |
|
|
127 | #ifdef EV_AX |
|
|
128 | # undef EV_AX |
|
|
129 | #endif |
|
|
130 | |
|
|
131 | #ifdef EV_AX_ |
|
|
132 | # undef EV_AX_ |
|
|
133 | #endif |
|
|
134 | |
|
|
135 | #if EV_MULTIPLICITY |
|
|
136 | # define EV_AX raw_loop |
|
|
137 | # define EV_AX_ raw_loop, |
|
|
138 | #else |
|
|
139 | # define EV_AX |
|
|
140 | # define EV_AX_ |
|
|
141 | #endif |
|
|
142 | |
|
|
143 | struct loop_ref |
|
|
144 | { |
|
|
145 | loop_ref (EV_P) EV_NOEXCEPT |
|
|
146 | #if EV_MULTIPLICITY |
|
|
147 | : EV_AX (EV_A) |
|
|
148 | #endif |
|
|
149 | { |
|
|
150 | } |
|
|
151 | |
|
|
152 | bool operator == (const loop_ref &other) const EV_NOEXCEPT |
|
|
153 | { |
|
|
154 | #if EV_MULTIPLICITY |
|
|
155 | return EV_AX == other.EV_AX; |
|
|
156 | #else |
|
|
157 | return true; |
|
|
158 | #endif |
|
|
159 | } |
|
|
160 | |
|
|
161 | bool operator != (const loop_ref &other) const EV_NOEXCEPT |
|
|
162 | { |
|
|
163 | #if EV_MULTIPLICITY |
|
|
164 | return ! (*this == other); |
|
|
165 | #else |
|
|
166 | return false; |
|
|
167 | #endif |
|
|
168 | } |
|
|
169 | |
|
|
170 | #if EV_MULTIPLICITY |
|
|
171 | bool operator == (const EV_P) const EV_NOEXCEPT |
|
|
172 | { |
|
|
173 | return this->EV_AX == EV_A; |
|
|
174 | } |
|
|
175 | |
|
|
176 | bool operator != (const EV_P) const EV_NOEXCEPT |
|
|
177 | { |
|
|
178 | return ! (*this == EV_A); |
|
|
179 | } |
|
|
180 | |
|
|
181 | operator struct ev_loop * () const EV_NOEXCEPT |
|
|
182 | { |
|
|
183 | return EV_AX; |
|
|
184 | } |
|
|
185 | |
|
|
186 | operator const struct ev_loop * () const EV_NOEXCEPT |
|
|
187 | { |
|
|
188 | return EV_AX; |
|
|
189 | } |
|
|
190 | |
|
|
191 | bool is_default () const EV_NOEXCEPT |
|
|
192 | { |
|
|
193 | return EV_AX == ev_default_loop (0); |
|
|
194 | } |
|
|
195 | #endif |
|
|
196 | |
|
|
197 | #if EV_COMPAT3 |
|
|
198 | void loop (int flags = 0) |
|
|
199 | { |
|
|
200 | ev_run (EV_AX_ flags); |
|
|
201 | } |
|
|
202 | |
|
|
203 | void unloop (how_t how = ONE) EV_NOEXCEPT |
|
|
204 | { |
|
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205 | ev_break (EV_AX_ how); |
|
|
206 | } |
|
|
207 | #endif |
|
|
208 | |
|
|
209 | void run (int flags = 0) |
|
|
210 | { |
|
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211 | ev_run (EV_AX_ flags); |
|
|
212 | } |
|
|
213 | |
|
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214 | void break_loop (how_t how = ONE) EV_NOEXCEPT |
|
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215 | { |
|
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216 | ev_break (EV_AX_ how); |
|
|
217 | } |
|
|
218 | |
|
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219 | void post_fork () EV_NOEXCEPT |
|
|
220 | { |
|
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221 | ev_loop_fork (EV_AX); |
|
|
222 | } |
|
|
223 | |
|
|
224 | unsigned int backend () const EV_NOEXCEPT |
|
|
225 | { |
|
|
226 | return ev_backend (EV_AX); |
|
|
227 | } |
|
|
228 | |
|
|
229 | tstamp now () const EV_NOEXCEPT |
|
|
230 | { |
|
|
231 | return ev_now (EV_AX); |
|
|
232 | } |
|
|
233 | |
|
|
234 | void ref () EV_NOEXCEPT |
|
|
235 | { |
|
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236 | ev_ref (EV_AX); |
|
|
237 | } |
|
|
238 | |
|
|
239 | void unref () EV_NOEXCEPT |
|
|
240 | { |
|
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241 | ev_unref (EV_AX); |
|
|
242 | } |
|
|
243 | |
|
|
244 | #if EV_FEATURE_API |
|
|
245 | unsigned int iteration () const EV_NOEXCEPT |
|
|
246 | { |
|
|
247 | return ev_iteration (EV_AX); |
|
|
248 | } |
|
|
249 | |
|
|
250 | unsigned int depth () const EV_NOEXCEPT |
|
|
251 | { |
|
|
252 | return ev_depth (EV_AX); |
|
|
253 | } |
|
|
254 | |
|
|
255 | void set_io_collect_interval (tstamp interval) EV_NOEXCEPT |
|
|
256 | { |
|
|
257 | ev_set_io_collect_interval (EV_AX_ interval); |
|
|
258 | } |
|
|
259 | |
|
|
260 | void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT |
|
|
261 | { |
|
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262 | ev_set_timeout_collect_interval (EV_AX_ interval); |
|
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263 | } |
|
|
264 | #endif |
|
|
265 | |
|
|
266 | // function callback |
|
|
267 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT |
|
|
268 | { |
|
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269 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
|
|
270 | } |
|
|
271 | |
|
|
272 | // method callback |
|
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273 | template<class K, void (K::*method)(int)> |
|
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274 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
|
|
275 | { |
|
|
276 | once (fd, events, timeout, method_thunk<K, method>, object); |
|
|
277 | } |
|
|
278 | |
|
|
279 | // default method == operator () |
|
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280 | template<class K> |
|
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281 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
|
|
282 | { |
|
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283 | once (fd, events, timeout, method_thunk<K, &K::operator ()>, object); |
|
|
284 | } |
|
|
285 | |
|
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286 | template<class K, void (K::*method)(int)> |
|
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287 | static void method_thunk (int revents, void *arg) |
|
|
288 | { |
|
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289 | (static_cast<K *>(arg)->*method) |
|
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290 | (revents); |
|
|
291 | } |
|
|
292 | |
|
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293 | // no-argument method callback |
|
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294 | template<class K, void (K::*method)()> |
|
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295 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
|
|
296 | { |
|
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297 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
|
|
298 | } |
|
|
299 | |
|
|
300 | template<class K, void (K::*method)()> |
|
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301 | static void method_noargs_thunk (int revents, void *arg) |
|
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302 | { |
|
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303 | (static_cast<K *>(arg)->*method) |
|
|
304 | (); |
|
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305 | } |
|
|
306 | |
|
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307 | // simpler function callback |
|
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308 | template<void (*cb)(int)> |
|
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309 | void once (int fd, int events, tstamp timeout) EV_NOEXCEPT |
|
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310 | { |
|
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311 | once (fd, events, timeout, simpler_func_thunk<cb>); |
|
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312 | } |
|
|
313 | |
|
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314 | template<void (*cb)(int)> |
|
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315 | static void simpler_func_thunk (int revents, void *arg) |
|
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316 | { |
|
|
317 | (*cb) |
|
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318 | (revents); |
|
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319 | } |
|
|
320 | |
|
|
321 | // simplest function callback |
|
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322 | template<void (*cb)()> |
|
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323 | void once (int fd, int events, tstamp timeout) EV_NOEXCEPT |
|
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324 | { |
|
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325 | once (fd, events, timeout, simplest_func_thunk<cb>); |
|
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326 | } |
|
|
327 | |
|
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328 | template<void (*cb)()> |
|
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329 | static void simplest_func_thunk (int revents, void *arg) |
|
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330 | { |
|
|
331 | (*cb) |
|
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332 | (); |
|
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333 | } |
|
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334 | |
|
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335 | void feed_fd_event (int fd, int revents) EV_NOEXCEPT |
|
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336 | { |
|
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337 | ev_feed_fd_event (EV_AX_ fd, revents); |
|
|
338 | } |
|
|
339 | |
|
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340 | void feed_signal_event (int signum) EV_NOEXCEPT |
|
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341 | { |
|
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342 | ev_feed_signal_event (EV_AX_ signum); |
|
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343 | } |
|
|
344 | |
|
|
345 | #if EV_MULTIPLICITY |
|
|
346 | struct ev_loop* EV_AX; |
|
|
347 | #endif |
|
|
348 | |
|
|
349 | }; |
|
|
350 | |
|
|
351 | #if EV_MULTIPLICITY |
|
|
352 | struct dynamic_loop : loop_ref |
|
|
353 | { |
|
|
354 | |
|
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355 | dynamic_loop (unsigned int flags = AUTO) |
|
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356 | : loop_ref (ev_loop_new (flags)) |
|
|
357 | { |
|
|
358 | if (!EV_AX) |
|
|
359 | throw bad_loop (); |
|
|
360 | } |
|
|
361 | |
|
|
362 | ~dynamic_loop () EV_NOEXCEPT |
|
|
363 | { |
|
|
364 | ev_loop_destroy (EV_AX); |
|
|
365 | EV_AX = 0; |
|
|
366 | } |
|
|
367 | |
|
|
368 | private: |
|
|
369 | |
|
|
370 | dynamic_loop (const dynamic_loop &); |
|
|
371 | |
|
|
372 | dynamic_loop & operator= (const dynamic_loop &); |
|
|
373 | |
|
|
374 | }; |
|
|
375 | #endif |
|
|
376 | |
|
|
377 | struct default_loop : loop_ref |
|
|
378 | { |
|
|
379 | default_loop (unsigned int flags = AUTO) |
|
|
380 | #if EV_MULTIPLICITY |
|
|
381 | : loop_ref (ev_default_loop (flags)) |
|
|
382 | #endif |
|
|
383 | { |
|
|
384 | if ( |
|
|
385 | #if EV_MULTIPLICITY |
|
|
386 | !EV_AX |
|
|
387 | #else |
|
|
388 | !ev_default_loop (flags) |
|
|
389 | #endif |
|
|
390 | ) |
|
|
391 | throw bad_loop (); |
|
|
392 | } |
|
|
393 | |
|
|
394 | private: |
|
|
395 | default_loop (const default_loop &); |
|
|
396 | default_loop &operator = (const default_loop &); |
|
|
397 | }; |
|
|
398 | |
|
|
399 | inline loop_ref get_default_loop () EV_NOEXCEPT |
|
|
400 | { |
|
|
401 | #if EV_MULTIPLICITY |
|
|
402 | return ev_default_loop (0); |
|
|
403 | #else |
|
|
404 | return loop_ref (); |
|
|
405 | #endif |
94 | }; |
406 | } |
|
|
407 | |
|
|
408 | #undef EV_AX |
|
|
409 | #undef EV_AX_ |
|
|
410 | |
|
|
411 | #undef EV_PX |
|
|
412 | #undef EV_PX_ |
|
|
413 | #if EV_MULTIPLICITY |
|
|
414 | # define EV_PX loop_ref EV_A |
|
|
415 | # define EV_PX_ loop_ref EV_A_ |
|
|
416 | #else |
|
|
417 | # define EV_PX |
|
|
418 | # define EV_PX_ |
|
|
419 | #endif |
95 | |
420 | |
96 | template<class ev_watcher, class watcher> |
421 | template<class ev_watcher, class watcher> |
97 | struct base : ev_watcher |
422 | struct base : ev_watcher |
98 | { |
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 | |
99 | #if EV_MULTIPLICITY |
442 | #if EV_MULTIPLICITY |
100 | EV_P; |
443 | EV_PX; |
101 | |
444 | |
|
|
445 | // loop set |
102 | void set (EV_P) |
446 | void set (EV_P) EV_NOEXCEPT |
103 | { |
447 | { |
104 | this->EV_A = EV_A; |
448 | this->EV_A = EV_A; |
105 | } |
449 | } |
106 | #endif |
450 | #endif |
107 | |
451 | |
108 | base () |
452 | base (EV_PX) EV_NOEXCEPT |
|
|
453 | #if EV_MULTIPLICITY |
|
|
454 | : EV_A (EV_A) |
|
|
455 | #endif |
109 | { |
456 | { |
110 | ev_init (this, 0); |
457 | ev_init (this, 0); |
111 | } |
458 | } |
112 | |
459 | |
113 | 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 |
114 | { |
461 | { |
115 | this->data = data; |
462 | this->data = (void *)data; |
116 | 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); |
117 | } |
478 | } |
118 | |
479 | |
119 | // method callback |
480 | // method callback |
120 | template<class K, void (K::*method)(watcher &w, int)> |
481 | template<class K, void (K::*method)(watcher &w, int)> |
121 | void set (K *object) |
482 | void set (K *object) EV_NOEXCEPT |
122 | { |
483 | { |
123 | 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 ()>); |
124 | } |
492 | } |
125 | |
493 | |
126 | template<class K, void (K::*method)(watcher &w, int)> |
494 | template<class K, void (K::*method)(watcher &w, int)> |
127 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
495 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
128 | { |
496 | { |
129 | K *obj = static_cast<K *>(w->data); |
497 | (static_cast<K *>(w->data)->*method) |
130 | (obj->*method) (*static_cast<watcher *>(w), revents); |
|
|
131 | } |
|
|
132 | |
|
|
133 | // const method callback |
|
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134 | template<class K, void (K::*method)(watcher &w, int) const> |
|
|
135 | void set (const K *object) |
|
|
136 | { |
|
|
137 | set_ (object, const_method_thunk<K, method>); |
|
|
138 | } |
|
|
139 | |
|
|
140 | template<class K, void (K::*method)(watcher &w, int) const> |
|
|
141 | static void const_method_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
142 | { |
|
|
143 | K *obj = static_cast<K *>(w->data); |
|
|
144 | (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); |
|
|
145 | } |
|
|
146 | |
|
|
147 | // function callback |
|
|
148 | template<void (*function)(watcher &w, int)> |
|
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149 | void set (void *data = 0) |
|
|
150 | { |
|
|
151 | set_ (data, function_thunk<function>); |
|
|
152 | } |
|
|
153 | |
|
|
154 | template<void (*function)(watcher &w, int)> |
|
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155 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
156 | { |
|
|
157 | function (*static_cast<watcher *>(w), revents); |
498 | (*static_cast<watcher *>(w), revents); |
158 | } |
499 | } |
159 | |
500 | |
160 | // simple callback |
501 | // no-argument callback |
161 | template<class K, void (K::*method)()> |
502 | template<class K, void (K::*method)()> |
162 | void set (K *object) |
503 | void set (K *object) EV_NOEXCEPT |
163 | { |
504 | { |
164 | set_ (object, method_noargs_thunk<K, method>); |
505 | set_ (object, method_noargs_thunk<K, method>); |
165 | } |
506 | } |
166 | |
507 | |
167 | template<class K, void (K::*method)()> |
508 | template<class K, void (K::*method)()> |
168 | 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) |
169 | { |
510 | { |
170 | K *obj = static_cast<K *>(w->data); |
511 | (static_cast<K *>(w->data)->*method) |
171 | (obj->*method) (); |
512 | (); |
172 | } |
513 | } |
173 | |
514 | |
174 | void operator ()(int events = EV_UNDEF) |
515 | void operator ()(int events = EV_UNDEF) |
175 | { |
516 | { |
|
|
517 | return |
176 | return ev_cb (static_cast<ev_watcher *>(this)) |
518 | ev_cb (static_cast<ev_watcher *>(this)) |
177 | (static_cast<ev_watcher *>(this), events); |
519 | (static_cast<ev_watcher *>(this), events); |
178 | } |
520 | } |
179 | |
521 | |
180 | bool is_active () const |
522 | bool is_active () const EV_NOEXCEPT |
181 | { |
523 | { |
182 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
524 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
183 | } |
525 | } |
184 | |
526 | |
185 | bool is_pending () const |
527 | bool is_pending () const EV_NOEXCEPT |
186 | { |
528 | { |
187 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
529 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
188 | } |
530 | } |
189 | |
531 | |
190 | void feed_event (int revents) |
532 | void feed_event (int revents) EV_NOEXCEPT |
191 | { |
533 | { |
192 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
534 | ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents); |
193 | } |
535 | } |
|
|
536 | }; |
|
|
537 | |
|
|
538 | inline tstamp now (EV_P) EV_NOEXCEPT |
|
|
539 | { |
|
|
540 | return ev_now (EV_A); |
194 | }; |
541 | } |
195 | |
542 | |
196 | inline void delay (tstamp interval) |
543 | inline void delay (tstamp interval) EV_NOEXCEPT |
197 | { |
544 | { |
198 | ev_sleep (interval); |
545 | ev_sleep (interval); |
199 | } |
546 | } |
200 | |
547 | |
201 | inline int version_major () |
548 | inline int version_major () EV_NOEXCEPT |
202 | { |
549 | { |
203 | return ev_version_major (); |
550 | return ev_version_major (); |
204 | } |
551 | } |
205 | |
552 | |
206 | inline int version_minor () |
553 | inline int version_minor () EV_NOEXCEPT |
207 | { |
554 | { |
208 | return ev_version_minor (); |
555 | return ev_version_minor (); |
209 | } |
556 | } |
210 | |
557 | |
211 | inline unsigned int supported_backends () |
558 | inline unsigned int supported_backends () EV_NOEXCEPT |
212 | { |
559 | { |
213 | return ev_supported_backends (); |
560 | return ev_supported_backends (); |
214 | } |
561 | } |
215 | |
562 | |
216 | inline unsigned int recommended_backends () |
563 | inline unsigned int recommended_backends () EV_NOEXCEPT |
217 | { |
564 | { |
218 | return ev_recommended_backends (); |
565 | return ev_recommended_backends (); |
219 | } |
566 | } |
220 | |
567 | |
221 | inline unsigned int embeddable_backends () |
568 | inline unsigned int embeddable_backends () EV_NOEXCEPT |
222 | { |
569 | { |
223 | return ev_embeddable_backends (); |
570 | return ev_embeddable_backends (); |
224 | } |
571 | } |
225 | |
572 | |
226 | 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 |
227 | { |
574 | { |
228 | ev_set_allocator (cb); |
575 | ev_set_allocator (cb); |
229 | } |
576 | } |
230 | |
577 | |
231 | 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 |
232 | { |
579 | { |
233 | ev_set_syserr_cb (cb); |
580 | ev_set_syserr_cb (cb); |
234 | } |
581 | } |
235 | |
582 | |
236 | |
|
|
237 | inline ev_tstamp now (EV_P) |
|
|
238 | { |
|
|
239 | return ev_now (EV_A); |
|
|
240 | } |
|
|
241 | |
|
|
242 | #if EV_MULTIPLICITY |
583 | #if EV_MULTIPLICITY |
243 | #define EV_CONSTRUCT \ |
584 | #define EV_CONSTRUCT(cppstem,cstem) \ |
244 | (EV_P = EV_DEFAULT) \ |
585 | (EV_PX = get_default_loop ()) EV_NOEXCEPT \ |
|
|
586 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
245 | { \ |
587 | { \ |
246 | set (EV_A); \ |
|
|
247 | } |
588 | } |
248 | #else |
589 | #else |
249 | #define EV_CONSTRUCT \ |
590 | #define EV_CONSTRUCT(cppstem,cstem) \ |
250 | () \ |
591 | () EV_NOEXCEPT \ |
251 | { \ |
592 | { \ |
252 | } |
593 | } |
253 | #endif |
594 | #endif |
254 | |
595 | |
255 | /* using a template here would require quite a bit more lines, |
596 | /* using a template here would require quite a few more lines, |
256 | * so a macro solution was chosen */ |
597 | * so a macro solution was chosen */ |
257 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
598 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
258 | \ |
599 | \ |
259 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
600 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
260 | { \ |
601 | { \ |
261 | void start () \ |
602 | void start () EV_NOEXCEPT \ |
262 | { \ |
603 | { \ |
263 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
604 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
264 | } \ |
605 | } \ |
265 | \ |
606 | \ |
266 | void stop () \ |
607 | void stop () EV_NOEXCEPT \ |
267 | { \ |
608 | { \ |
268 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
609 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
269 | } \ |
610 | } \ |
270 | \ |
611 | \ |
271 | cppstem EV_CONSTRUCT \ |
612 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
272 | \ |
613 | \ |
273 | ~cppstem () \ |
614 | ~cppstem () EV_NOEXCEPT \ |
274 | { \ |
615 | { \ |
275 | stop (); \ |
616 | stop (); \ |
276 | } \ |
617 | } \ |
277 | \ |
618 | \ |
278 | using base<ev_ ## cstem, cppstem>::set; \ |
619 | using base<ev_ ## cstem, cppstem>::set; \ |
279 | \ |
620 | \ |
280 | private: \ |
621 | private: \ |
281 | \ |
622 | \ |
282 | cppstem (const cppstem &o); \ |
623 | cppstem (const cppstem &o); \ |
283 | \ |
624 | \ |
284 | cppstem & operator =(const cppstem &o); \ |
625 | cppstem &operator =(const cppstem &o); \ |
285 | \ |
626 | \ |
286 | public: |
627 | public: |
287 | |
628 | |
288 | #define EV_END_WATCHER(cppstem,cstem) \ |
629 | #define EV_END_WATCHER(cppstem,cstem) \ |
289 | }; |
630 | }; |
|
|
631 | //TODO: https://paste.debian.net/1268417/ |
290 | |
632 | |
291 | EV_BEGIN_WATCHER (io, io) |
633 | EV_BEGIN_WATCHER (io, io) |
292 | void set (int fd, int events) |
634 | void set (int fd, int events) EV_NOEXCEPT |
293 | { |
635 | { |
294 | int active = is_active (); |
636 | freeze_guard freeze (this); |
295 | if (active) stop (); |
|
|
296 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
637 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
297 | if (active) start (); |
|
|
298 | } |
638 | } |
299 | |
639 | |
300 | void set (int events) |
640 | void set (int events) EV_NOEXCEPT |
301 | { |
641 | { |
302 | int active = is_active (); |
642 | freeze_guard freeze (this); |
303 | if (active) stop (); |
|
|
304 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
643 | ev_io_modify (static_cast<ev_io *>(this), events); |
305 | if (active) start (); |
|
|
306 | } |
644 | } |
307 | |
645 | |
308 | void start (int fd, int events) |
646 | void start (int fd, int events) EV_NOEXCEPT |
309 | { |
647 | { |
310 | set (fd, events); |
648 | set (fd, events); |
311 | start (); |
649 | start (); |
312 | } |
650 | } |
313 | EV_END_WATCHER (io, io) |
651 | EV_END_WATCHER (io, io) |
314 | |
652 | |
315 | EV_BEGIN_WATCHER (timer, timer) |
653 | EV_BEGIN_WATCHER (timer, timer) |
316 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
654 | void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT |
317 | { |
655 | { |
318 | int active = is_active (); |
656 | freeze_guard freeze (this); |
319 | if (active) stop (); |
|
|
320 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
657 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
321 | if (active) start (); |
|
|
322 | } |
658 | } |
323 | |
659 | |
324 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
660 | void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT |
325 | { |
661 | { |
326 | set (after, repeat); |
662 | set (after, repeat); |
327 | start (); |
663 | start (); |
328 | } |
664 | } |
329 | |
665 | |
330 | void again () |
666 | void again () EV_NOEXCEPT |
331 | { |
667 | { |
332 | 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)); |
333 | } |
674 | } |
334 | EV_END_WATCHER (timer, timer) |
675 | EV_END_WATCHER (timer, timer) |
335 | |
676 | |
336 | #if EV_PERIODIC_ENABLE |
677 | #if EV_PERIODIC_ENABLE |
337 | EV_BEGIN_WATCHER (periodic, periodic) |
678 | EV_BEGIN_WATCHER (periodic, periodic) |
338 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
679 | void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT |
339 | { |
680 | { |
340 | int active = is_active (); |
681 | freeze_guard freeze (this); |
341 | if (active) stop (); |
|
|
342 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
682 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
343 | if (active) start (); |
|
|
344 | } |
683 | } |
345 | |
684 | |
346 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
685 | void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT |
347 | { |
686 | { |
348 | set (at, interval); |
687 | set (at, interval); |
349 | start (); |
688 | start (); |
350 | } |
689 | } |
351 | |
690 | |
352 | void again () |
691 | void again () EV_NOEXCEPT |
353 | { |
692 | { |
354 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
693 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
355 | } |
694 | } |
356 | EV_END_WATCHER (periodic, periodic) |
695 | EV_END_WATCHER (periodic, periodic) |
357 | #endif |
696 | #endif |
358 | |
697 | |
|
|
698 | #if EV_SIGNAL_ENABLE |
359 | EV_BEGIN_WATCHER (sig, signal) |
699 | EV_BEGIN_WATCHER (sig, signal) |
360 | void set (int signum) |
700 | void set (int signum) EV_NOEXCEPT |
361 | { |
701 | { |
362 | int active = is_active (); |
702 | freeze_guard freeze (this); |
363 | if (active) stop (); |
|
|
364 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
703 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
365 | if (active) start (); |
|
|
366 | } |
704 | } |
367 | |
705 | |
368 | void start (int signum) |
706 | void start (int signum) EV_NOEXCEPT |
369 | { |
707 | { |
370 | set (signum); |
708 | set (signum); |
371 | start (); |
709 | start (); |
372 | } |
710 | } |
373 | EV_END_WATCHER (sig, signal) |
711 | EV_END_WATCHER (sig, signal) |
|
|
712 | #endif |
374 | |
713 | |
|
|
714 | #if EV_CHILD_ENABLE |
375 | EV_BEGIN_WATCHER (child, child) |
715 | EV_BEGIN_WATCHER (child, child) |
376 | void set (int pid) |
716 | void set (int pid, int trace = 0) EV_NOEXCEPT |
377 | { |
717 | { |
378 | int active = is_active (); |
718 | freeze_guard freeze (this); |
379 | if (active) stop (); |
|
|
380 | ev_child_set (static_cast<ev_child *>(this), pid); |
719 | ev_child_set (static_cast<ev_child *>(this), pid, trace); |
381 | if (active) start (); |
|
|
382 | } |
|
|
383 | |
|
|
384 | void start (int pid) |
|
|
385 | { |
720 | } |
|
|
721 | |
|
|
722 | void start (int pid, int trace = 0) EV_NOEXCEPT |
|
|
723 | { |
386 | set (pid); |
724 | set (pid, trace); |
387 | start (); |
725 | start (); |
388 | } |
726 | } |
389 | EV_END_WATCHER (child, child) |
727 | EV_END_WATCHER (child, child) |
|
|
728 | #endif |
390 | |
729 | |
391 | #if EV_STAT_ENABLE |
730 | #if EV_STAT_ENABLE |
392 | EV_BEGIN_WATCHER (stat, stat) |
731 | EV_BEGIN_WATCHER (stat, stat) |
393 | void set (const char *path, ev_tstamp interval = 0.) |
732 | void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT |
394 | { |
733 | { |
395 | int active = is_active (); |
734 | freeze_guard freeze (this); |
396 | if (active) stop (); |
|
|
397 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
735 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
398 | if (active) start (); |
|
|
399 | } |
736 | } |
400 | |
737 | |
401 | void start (const char *path, ev_tstamp interval = 0.) |
738 | void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT |
402 | { |
739 | { |
403 | stop (); |
740 | stop (); |
404 | set (path, interval); |
741 | set (path, interval); |
405 | start (); |
742 | start (); |
406 | } |
743 | } |
407 | |
744 | |
408 | void update () |
745 | void update () EV_NOEXCEPT |
409 | { |
746 | { |
410 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
747 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
411 | } |
748 | } |
412 | EV_END_WATCHER (stat, stat) |
749 | EV_END_WATCHER (stat, stat) |
413 | #endif |
750 | #endif |
414 | |
751 | |
|
|
752 | #if EV_IDLE_ENABLE |
415 | EV_BEGIN_WATCHER (idle, idle) |
753 | EV_BEGIN_WATCHER (idle, idle) |
416 | void set () { } |
754 | void set () EV_NOEXCEPT { } |
417 | EV_END_WATCHER (idle, idle) |
755 | EV_END_WATCHER (idle, idle) |
|
|
756 | #endif |
418 | |
757 | |
|
|
758 | #if EV_PREPARE_ENABLE |
419 | EV_BEGIN_WATCHER (prepare, prepare) |
759 | EV_BEGIN_WATCHER (prepare, prepare) |
420 | void set () { } |
760 | void set () EV_NOEXCEPT { } |
421 | EV_END_WATCHER (prepare, prepare) |
761 | EV_END_WATCHER (prepare, prepare) |
|
|
762 | #endif |
422 | |
763 | |
|
|
764 | #if EV_CHECK_ENABLE |
423 | EV_BEGIN_WATCHER (check, check) |
765 | EV_BEGIN_WATCHER (check, check) |
424 | void set () { } |
766 | void set () EV_NOEXCEPT { } |
425 | EV_END_WATCHER (check, check) |
767 | EV_END_WATCHER (check, check) |
|
|
768 | #endif |
426 | |
769 | |
427 | #if EV_EMBED_ENABLE |
770 | #if EV_EMBED_ENABLE |
428 | EV_BEGIN_WATCHER (embed, embed) |
771 | EV_BEGIN_WATCHER (embed, embed) |
429 | void start (struct ev_loop *embedded_loop) |
772 | void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT |
430 | { |
773 | { |
431 | stop (); |
774 | freeze_guard freeze (this); |
432 | 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); |
433 | start (); |
781 | start (); |
434 | } |
782 | } |
435 | |
783 | |
436 | void sweep () |
784 | void sweep () |
437 | { |
785 | { |
… | |
… | |
440 | EV_END_WATCHER (embed, embed) |
788 | EV_END_WATCHER (embed, embed) |
441 | #endif |
789 | #endif |
442 | |
790 | |
443 | #if EV_FORK_ENABLE |
791 | #if EV_FORK_ENABLE |
444 | EV_BEGIN_WATCHER (fork, fork) |
792 | EV_BEGIN_WATCHER (fork, fork) |
445 | void set () { } |
793 | void set () EV_NOEXCEPT { } |
446 | EV_END_WATCHER (fork, fork) |
794 | EV_END_WATCHER (fork, fork) |
447 | #endif |
795 | #endif |
448 | |
796 | |
|
|
797 | #if EV_ASYNC_ENABLE |
|
|
798 | EV_BEGIN_WATCHER (async, async) |
|
|
799 | void send () EV_NOEXCEPT |
|
|
800 | { |
|
|
801 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
|
|
802 | } |
|
|
803 | |
|
|
804 | bool async_pending () EV_NOEXCEPT |
|
|
805 | { |
|
|
806 | return ev_async_pending (static_cast<ev_async *>(this)); |
|
|
807 | } |
|
|
808 | EV_END_WATCHER (async, async) |
|
|
809 | #endif |
|
|
810 | |
|
|
811 | #undef EV_PX |
|
|
812 | #undef EV_PX_ |
449 | #undef EV_CONSTRUCT |
813 | #undef EV_CONSTRUCT |
450 | #undef EV_BEGIN_WATCHER |
814 | #undef EV_BEGIN_WATCHER |
451 | #undef EV_END_WATCHER |
815 | #undef EV_END_WATCHER |
452 | } |
816 | } |
453 | |
817 | |