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 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 | * |
… | |
… | |
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 | |
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49 | #ifndef EV_USE_STDEXCEPT |
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50 | # define EV_USE_STDEXCEPT 1 |
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51 | #endif |
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52 | |
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53 | #if EV_USE_STDEXCEPT |
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54 | # include <stdexcept> |
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55 | #endif |
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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 |
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62 | { |
54 | UNDEF = EV_UNDEF, |
63 | UNDEF = EV_UNDEF, |
55 | NONE = EV_NONE, |
64 | NONE = EV_NONE, |
56 | READ = EV_READ, |
65 | READ = EV_READ, |
57 | WRITE = EV_WRITE, |
66 | WRITE = EV_WRITE, |
58 | TIMEOUT = EV_TIMEOUT, |
67 | TIMEOUT = EV_TIMEOUT, |
… | |
… | |
62 | STAT = EV_STAT, |
71 | STAT = EV_STAT, |
63 | IDLE = EV_IDLE, |
72 | IDLE = EV_IDLE, |
64 | CHECK = EV_CHECK, |
73 | CHECK = EV_CHECK, |
65 | PREPARE = EV_PREPARE, |
74 | PREPARE = EV_PREPARE, |
66 | FORK = EV_FORK, |
75 | FORK = EV_FORK, |
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76 | ASYNC = EV_ASYNC, |
67 | EMBED = EV_EMBED, |
77 | EMBED = EV_EMBED, |
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78 | # undef ERROR // some systems stupidly #define ERROR |
68 | ERROR = EV_ERROR, |
79 | ERROR = EV_ERROR, |
69 | }; |
80 | }; |
70 | |
81 | |
71 | enum |
82 | enum |
72 | { |
83 | { |
73 | AUTO = EVFLAG_AUTO, |
84 | AUTO = EVFLAG_AUTO, |
74 | NOENV = EVFLAG_NOENV, |
85 | NOENV = EVFLAG_NOENV, |
75 | FORKCHECK = EVFLAG_FORKCHECK, |
86 | FORKCHECK = EVFLAG_FORKCHECK, |
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87 | |
76 | SELECT = EVBACKEND_SELECT, |
88 | SELECT = EVBACKEND_SELECT, |
77 | POLL = EVBACKEND_POLL, |
89 | POLL = EVBACKEND_POLL, |
78 | EPOLL = EVBACKEND_EPOLL, |
90 | EPOLL = EVBACKEND_EPOLL, |
79 | KQUEUE = EVBACKEND_KQUEUE, |
91 | KQUEUE = EVBACKEND_KQUEUE, |
80 | DEVPOLL = EVBACKEND_DEVPOLL, |
92 | DEVPOLL = EVBACKEND_DEVPOLL, |
81 | PORT = EVBACKEND_PORT |
93 | PORT = EVBACKEND_PORT |
82 | }; |
94 | }; |
83 | |
95 | |
84 | enum |
96 | enum |
85 | { |
97 | { |
86 | NONBLOCK = EVLOOP_NONBLOCK, |
98 | NONBLOCK = EVLOOP_NONBLOCK, |
87 | ONESHOT = EVLOOP_ONESHOT |
99 | ONESHOT = EVLOOP_ONESHOT |
88 | }; |
100 | }; |
89 | |
101 | |
90 | enum how_t |
102 | enum how_t |
91 | { |
103 | { |
92 | ONE = EVUNLOOP_ONE, |
104 | ONE = EVUNLOOP_ONE, |
93 | ALL = EVUNLOOP_ALL |
105 | ALL = EVUNLOOP_ALL |
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106 | }; |
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107 | |
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108 | struct bad_loop |
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109 | #if EV_USE_STDEXCEPT |
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110 | : std::runtime_error |
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111 | #endif |
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112 | { |
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113 | #if EV_USE_STDEXCEPT |
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114 | bad_loop () |
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115 | : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?") |
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116 | { |
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117 | } |
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118 | #endif |
94 | }; |
119 | }; |
95 | |
120 | |
96 | #ifdef EV_AX |
121 | #ifdef EV_AX |
97 | # undef EV_AX |
122 | # undef EV_AX |
98 | #endif |
123 | #endif |
… | |
… | |
109 | # define EV_AX_ |
134 | # define EV_AX_ |
110 | #endif |
135 | #endif |
111 | |
136 | |
112 | struct loop_ref |
137 | struct loop_ref |
113 | { |
138 | { |
114 | |
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115 | loop_ref (EV_P) |
139 | loop_ref (EV_P) throw () |
116 | #if EV_MULTIPLICITY |
140 | #if EV_MULTIPLICITY |
117 | : EV_AX (EV_A) |
141 | : EV_AX (EV_A) |
118 | #endif |
142 | #endif |
119 | { |
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120 | } |
143 | { |
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144 | } |
121 | |
145 | |
122 | bool operator== (const loop_ref &other) const |
146 | bool operator == (const loop_ref &other) const throw () |
123 | { |
147 | { |
124 | #if EV_MULTIPLICITY |
148 | #if EV_MULTIPLICITY |
125 | return this->EV_AX == other.EV_AX; |
149 | return EV_AX == other.EV_AX; |
126 | #else |
150 | #else |
127 | return true; |
151 | return true; |
128 | #endif |
152 | #endif |
129 | } |
153 | } |
130 | |
154 | |
131 | bool operator!= (const loop_ref &other) const |
155 | bool operator != (const loop_ref &other) const throw () |
132 | { |
156 | { |
133 | #if EV_MULTIPLICITY |
157 | #if EV_MULTIPLICITY |
134 | return ! (*this == other); |
158 | return ! (*this == other); |
135 | #else |
159 | #else |
136 | return false; |
160 | return false; |
137 | #endif |
161 | #endif |
138 | } |
162 | } |
139 | |
163 | |
140 | #if EV_MULTIPLICITY |
164 | #if EV_MULTIPLICITY |
141 | bool operator== (struct ev_loop *other) const |
165 | bool operator == (const EV_P) const throw () |
142 | { |
166 | { |
143 | return this->EV_AX == other; |
167 | return this->EV_AX == EV_A; |
144 | } |
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145 | |
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146 | bool operator!= (struct ev_loop *other) const |
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147 | { |
168 | } |
148 | return ! (*this == other); |
169 | |
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170 | bool operator != (const EV_P) const throw () |
149 | } |
171 | { |
150 | |
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151 | bool operator== (const struct ev_loop *other) const |
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152 | { |
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153 | return this->EV_AX == other; |
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154 | } |
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155 | |
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156 | bool operator!= (const struct ev_loop *other) const |
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157 | { |
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158 | return (*this == other); |
172 | return (*this == EV_A); |
159 | } |
173 | } |
160 | |
174 | |
161 | operator struct ev_loop * () const |
175 | operator struct ev_loop * () const throw () |
162 | { |
176 | { |
163 | return EV_AX; |
177 | return EV_AX; |
164 | } |
178 | } |
165 | |
179 | |
166 | operator const struct ev_loop * () const |
180 | operator const struct ev_loop * () const throw () |
167 | { |
181 | { |
168 | return EV_AX; |
182 | return EV_AX; |
169 | } |
183 | } |
170 | |
184 | |
171 | bool is_default () const |
185 | bool is_default () const throw () |
172 | { |
186 | { |
173 | return EV_AX == ev_default_loop (0); |
187 | return EV_AX == ev_default_loop (0); |
174 | } |
188 | } |
175 | #endif |
189 | #endif |
176 | |
190 | |
177 | void loop (int flags = 0) |
191 | void loop (int flags = 0) |
178 | { |
192 | { |
179 | ev_loop (EV_AX_ flags); |
193 | ev_loop (EV_AX_ flags); |
180 | } |
194 | } |
181 | |
195 | |
182 | void unloop (how_t how = ONE) |
196 | void unloop (how_t how = ONE) throw () |
183 | { |
197 | { |
184 | ev_unloop (EV_AX_ how); |
198 | ev_unloop (EV_AX_ how); |
185 | } |
199 | } |
186 | |
200 | |
187 | void post_fork () |
201 | void post_fork () throw () |
188 | { |
202 | { |
189 | #if EV_MULTIPLICITY |
203 | #if EV_MULTIPLICITY |
190 | ev_loop_fork (EV_AX); |
204 | ev_loop_fork (EV_AX); |
191 | #else |
205 | #else |
192 | ev_default_fork (); |
206 | ev_default_fork (); |
193 | #endif |
207 | #endif |
194 | } |
208 | } |
195 | |
209 | |
196 | unsigned int count () const |
210 | unsigned int count () const throw () |
197 | { |
211 | { |
198 | return ev_loop_count (EV_AX); |
212 | return ev_loop_count (EV_AX); |
199 | } |
213 | } |
200 | |
214 | |
201 | unsigned int backend () const |
215 | unsigned int backend () const throw () |
202 | { |
216 | { |
203 | return ev_backend (EV_AX); |
217 | return ev_backend (EV_AX); |
204 | } |
218 | } |
205 | |
219 | |
206 | tstamp now () const |
220 | tstamp now () const throw () |
207 | { |
221 | { |
208 | return ev_now (EV_AX); |
222 | return ev_now (EV_AX); |
209 | } |
223 | } |
210 | |
224 | |
211 | void ref () |
225 | void ref () throw () |
212 | { |
226 | { |
213 | ev_ref (EV_AX); |
227 | ev_ref (EV_AX); |
214 | } |
228 | } |
215 | |
229 | |
216 | void unref () |
230 | void unref () throw () |
217 | { |
231 | { |
218 | ev_unref (EV_AX); |
232 | ev_unref (EV_AX); |
219 | } |
233 | } |
220 | |
234 | |
221 | void set_io_collect_interval (tstamp interval) |
235 | void set_io_collect_interval (tstamp interval) throw () |
222 | { |
236 | { |
223 | ev_set_io_collect_interval (EV_AX_ interval); |
237 | ev_set_io_collect_interval (EV_AX_ interval); |
224 | } |
238 | } |
225 | |
239 | |
226 | void set_timeout_collect_interval (tstamp interval) |
240 | void set_timeout_collect_interval (tstamp interval) throw () |
227 | { |
241 | { |
228 | ev_set_timeout_collect_interval (EV_AX_ interval); |
242 | ev_set_timeout_collect_interval (EV_AX_ interval); |
229 | } |
243 | } |
230 | |
244 | |
231 | // function callback |
245 | // function callback |
232 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) |
246 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
233 | { |
247 | { |
234 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
248 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
235 | } |
249 | } |
236 | |
250 | |
237 | // method callback |
251 | // method callback |
238 | template<class K, void (K::*method)(int)> |
252 | template<class K, void (K::*method)(int)> |
239 | void once (int fd, int events, tstamp timeout, K *object) |
253 | void once (int fd, int events, tstamp timeout, K *object) throw () |
240 | { |
254 | { |
241 | once (fd, events, timeout, method_thunk<K, method>, object); |
255 | once (fd, events, timeout, method_thunk<K, method>, object); |
242 | } |
256 | } |
243 | |
257 | |
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258 | // default method == operator () |
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259 | template<class K> |
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260 | void once (int fd, int events, tstamp timeout, K *object) throw () |
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261 | { |
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262 | once (fd, events, timeout, method_thunk<K, &K::operator ()>, object); |
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263 | } |
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264 | |
244 | template<class K, void (K::*method)(int)> |
265 | template<class K, void (K::*method)(int)> |
245 | static void method_thunk (int revents, void* arg) |
266 | static void method_thunk (int revents, void *arg) |
246 | { |
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247 | K *obj = static_cast<K *>(arg); |
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248 | (obj->*method) (revents); |
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249 | } |
267 | { |
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268 | static_cast<K *>(arg)->*method |
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269 | (revents); |
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270 | } |
250 | |
271 | |
251 | // const method callback |
272 | // no-argument method callback |
252 | template<class K, void (K::*method)(int) const> |
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253 | void once (int fd, int events, tstamp timeout, const K *object) |
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254 | { |
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255 | once (fd, events, timeout, const_method_thunk<K, method>, object); |
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256 | } |
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257 | |
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258 | template<class K, void (K::*method)(int) const> |
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259 | static void const_method_thunk (int revents, void* arg) |
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260 | { |
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261 | K *obj = static_cast<K *>(arg); |
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262 | (obj->*method) (revents); |
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263 | } |
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264 | |
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265 | // simple method callback |
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266 | template<class K, void (K::*method)()> |
273 | template<class K, void (K::*method)()> |
267 | void once (int fd, int events, tstamp timeout, K *object) |
274 | void once (int fd, int events, tstamp timeout, K *object) throw () |
268 | { |
275 | { |
269 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
276 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
270 | } |
277 | } |
271 | |
278 | |
272 | template<class K, void (K::*method)()> |
279 | template<class K, void (K::*method)()> |
273 | static void method_noargs_thunk (int revents, void* arg) |
280 | static void method_noargs_thunk (int revents, void *arg) |
274 | { |
281 | { |
275 | K *obj = static_cast<K *>(arg); |
282 | static_cast<K *>(arg)->*method |
276 | (obj->*method) (); |
283 | (); |
277 | } |
284 | } |
278 | |
285 | |
279 | // simpler function callback |
286 | // simpler function callback |
280 | template<void (*cb)(int)> |
287 | template<void (*cb)(int)> |
281 | void once (int fd, int events, tstamp timeout) |
288 | void once (int fd, int events, tstamp timeout) throw () |
282 | { |
289 | { |
283 | once (fd, events, timeout, simpler_func_thunk<cb>); |
290 | once (fd, events, timeout, simpler_func_thunk<cb>); |
284 | } |
291 | } |
285 | |
292 | |
286 | template<void (*cb)(int)> |
293 | template<void (*cb)(int)> |
287 | static void simpler_func_thunk (int revents, void* arg) |
294 | static void simpler_func_thunk (int revents, void *arg) |
288 | { |
295 | { |
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296 | (*cb) |
289 | (*cb) (revents); |
297 | (revents); |
290 | } |
298 | } |
291 | |
299 | |
292 | // simplest function callback |
300 | // simplest function callback |
293 | template<void (*cb)()> |
301 | template<void (*cb)()> |
294 | void once (int fd, int events, tstamp timeout) |
302 | void once (int fd, int events, tstamp timeout) throw () |
295 | { |
303 | { |
296 | once (fd, events, timeout, simplest_func_thunk<cb>); |
304 | once (fd, events, timeout, simplest_func_thunk<cb>); |
297 | } |
305 | } |
298 | |
306 | |
299 | template<void (*cb)()> |
307 | template<void (*cb)()> |
300 | static void simplest_func_thunk (int revents, void* arg) |
308 | static void simplest_func_thunk (int revents, void *arg) |
301 | { |
309 | { |
302 | (*cb) (); |
310 | (*cb) |
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311 | (); |
303 | } |
312 | } |
304 | |
313 | |
305 | void feed_fd_event (int fd, int revents) |
314 | void feed_fd_event (int fd, int revents) throw () |
306 | { |
315 | { |
307 | ev_feed_fd_event (EV_AX_ fd, revents); |
316 | ev_feed_fd_event (EV_AX_ fd, revents); |
308 | } |
317 | } |
309 | |
318 | |
310 | void feed_signal_event (int signum) |
319 | void feed_signal_event (int signum) throw () |
311 | { |
320 | { |
312 | ev_feed_signal_event (EV_AX_ signum); |
321 | ev_feed_signal_event (EV_AX_ signum); |
313 | } |
322 | } |
314 | |
323 | |
315 | #if EV_MULTIPLICITY |
324 | #if EV_MULTIPLICITY |
… | |
… | |
317 | #endif |
326 | #endif |
318 | |
327 | |
319 | }; |
328 | }; |
320 | |
329 | |
321 | #if EV_MULTIPLICITY |
330 | #if EV_MULTIPLICITY |
322 | struct dynamic_loop: loop_ref |
331 | struct dynamic_loop : loop_ref |
323 | { |
332 | { |
324 | |
333 | |
325 | dynamic_loop (unsigned int flags = AUTO) |
334 | dynamic_loop (unsigned int flags = AUTO) throw (bad_loop) |
326 | : loop_ref (ev_loop_new (flags)) |
335 | : loop_ref (ev_loop_new (flags)) |
327 | { |
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328 | } |
336 | { |
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337 | if (!EV_AX) |
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338 | throw bad_loop (); |
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339 | } |
329 | |
340 | |
330 | ~dynamic_loop () |
341 | ~dynamic_loop () throw () |
331 | { |
342 | { |
332 | ev_loop_destroy (EV_AX); |
343 | ev_loop_destroy (EV_AX); |
333 | EV_AX = 0; |
344 | EV_AX = 0; |
334 | } |
345 | } |
335 | |
346 | |
… | |
… | |
340 | dynamic_loop & operator= (const dynamic_loop &); |
351 | dynamic_loop & operator= (const dynamic_loop &); |
341 | |
352 | |
342 | }; |
353 | }; |
343 | #endif |
354 | #endif |
344 | |
355 | |
345 | struct default_loop: loop_ref |
356 | struct default_loop : loop_ref |
346 | { |
357 | { |
347 | |
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348 | default_loop (unsigned int flags = AUTO) |
358 | default_loop (unsigned int flags = AUTO) throw (bad_loop) |
349 | #if EV_MULTIPLICITY |
359 | #if EV_MULTIPLICITY |
350 | : loop_ref (ev_default_loop (flags)) |
360 | : loop_ref (ev_default_loop (flags)) |
351 | { |
361 | #endif |
352 | } |
362 | { |
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363 | if ( |
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364 | #if EV_MULTIPLICITY |
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365 | !EV_AX |
353 | #else |
366 | #else |
354 | { |
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355 | ev_default_loop (flags); |
367 | !ev_default_loop (flags) |
356 | } |
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357 | #endif |
368 | #endif |
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369 | ) |
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370 | throw bad_loop (); |
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371 | } |
358 | |
372 | |
359 | ~default_loop () |
373 | ~default_loop () throw () |
360 | { |
374 | { |
361 | ev_default_destroy (); |
375 | ev_default_destroy (); |
362 | #if EV_MULTIPLICITY |
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363 | EV_AX = 0; |
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364 | #endif |
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365 | } |
376 | } |
366 | |
377 | |
367 | private: |
378 | private: |
368 | |
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369 | default_loop (const default_loop &); |
379 | default_loop (const default_loop &); |
370 | |
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371 | default_loop & operator= (const default_loop &); |
380 | default_loop &operator = (const default_loop &); |
372 | |
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373 | }; |
381 | }; |
374 | |
382 | |
375 | inline loop_ref get_default_loop () |
383 | inline loop_ref get_default_loop () throw () |
376 | { |
384 | { |
377 | #if EV_MULTIPLICITY |
385 | #if EV_MULTIPLICITY |
378 | return ev_default_loop (0); |
386 | return ev_default_loop (0); |
379 | #else |
387 | #else |
380 | return loop_ref (); |
388 | return loop_ref (); |
… | |
… | |
398 | struct base : ev_watcher |
406 | struct base : ev_watcher |
399 | { |
407 | { |
400 | #if EV_MULTIPLICITY |
408 | #if EV_MULTIPLICITY |
401 | EV_PX; |
409 | EV_PX; |
402 | |
410 | |
403 | void set (EV_PX) |
411 | void set (EV_P) throw () |
404 | { |
412 | { |
405 | this->EV_A = EV_A; |
413 | this->EV_A = EV_A; |
406 | } |
414 | } |
407 | #endif |
415 | #endif |
408 | |
416 | |
409 | base (EV_PX) |
417 | base (EV_PX) throw () |
410 | #if EV_MULTIPLICITY |
418 | #if EV_MULTIPLICITY |
411 | : EV_A (EV_A) |
419 | : EV_A (EV_A) |
412 | #endif |
420 | #endif |
413 | { |
421 | { |
414 | ev_init (this, 0); |
422 | ev_init (this, 0); |
415 | } |
423 | } |
416 | |
424 | |
417 | void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) |
425 | void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw () |
418 | { |
426 | { |
419 | this->data = data; |
427 | this->data = (void *)data; |
420 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
428 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
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429 | } |
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430 | |
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431 | // function callback |
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432 | template<void (*function)(watcher &w, int)> |
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433 | void set (void *data = 0) throw () |
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434 | { |
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435 | set_ (data, function_thunk<function>); |
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436 | } |
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437 | |
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438 | template<void (*function)(watcher &w, int)> |
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439 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
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440 | { |
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441 | function |
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442 | (*static_cast<watcher *>(w), revents); |
421 | } |
443 | } |
422 | |
444 | |
423 | // method callback |
445 | // method callback |
424 | template<class K, void (K::*method)(watcher &w, int)> |
446 | template<class K, void (K::*method)(watcher &w, int)> |
425 | void set (K *object) |
447 | void set (K *object) throw () |
426 | { |
448 | { |
427 | set_ (object, method_thunk<K, method>); |
449 | set_ (object, method_thunk<K, method>); |
|
|
450 | } |
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|
451 | |
|
|
452 | // default method == operator () |
|
|
453 | template<class K> |
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|
454 | void set (K *object) throw () |
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|
455 | { |
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|
456 | set_ (object, method_thunk<K, &K::operator ()>); |
428 | } |
457 | } |
429 | |
458 | |
430 | template<class K, void (K::*method)(watcher &w, int)> |
459 | template<class K, void (K::*method)(watcher &w, int)> |
431 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
460 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
432 | { |
461 | { |
433 | K *obj = static_cast<K *>(w->data); |
462 | (static_cast<K *>(w->data)->*method) |
434 | (obj->*method) (*static_cast<watcher *>(w), revents); |
|
|
435 | } |
|
|
436 | |
|
|
437 | // const method callback |
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|
438 | template<class K, void (K::*method)(watcher &w, int) const> |
|
|
439 | void set (const K *object) |
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|
440 | { |
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|
441 | set_ (object, const_method_thunk<K, method>); |
|
|
442 | } |
|
|
443 | |
|
|
444 | template<class K, void (K::*method)(watcher &w, int) const> |
|
|
445 | static void const_method_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
446 | { |
|
|
447 | K *obj = static_cast<K *>(w->data); |
|
|
448 | (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); |
|
|
449 | } |
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|
450 | |
|
|
451 | // function callback |
|
|
452 | template<void (*function)(watcher &w, int)> |
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|
453 | void set (void *data = 0) |
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|
454 | { |
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|
455 | set_ (data, function_thunk<function>); |
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|
456 | } |
|
|
457 | |
|
|
458 | template<void (*function)(watcher &w, int)> |
|
|
459 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
460 | { |
|
|
461 | function (*static_cast<watcher *>(w), revents); |
463 | (*static_cast<watcher *>(w), revents); |
462 | } |
464 | } |
463 | |
465 | |
464 | // simple callback |
466 | // no-argument callback |
465 | template<class K, void (K::*method)()> |
467 | template<class K, void (K::*method)()> |
466 | void set (K *object) |
468 | void set (K *object) throw () |
467 | { |
469 | { |
468 | set_ (object, method_noargs_thunk<K, method>); |
470 | set_ (object, method_noargs_thunk<K, method>); |
469 | } |
471 | } |
470 | |
472 | |
471 | template<class K, void (K::*method)()> |
473 | template<class K, void (K::*method)()> |
472 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
474 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
473 | { |
475 | { |
474 | K *obj = static_cast<K *>(w->data); |
476 | static_cast<K *>(w->data)->*method |
475 | (obj->*method) (); |
477 | (); |
476 | } |
478 | } |
477 | |
479 | |
478 | void operator ()(int events = EV_UNDEF) |
480 | void operator ()(int events = EV_UNDEF) |
479 | { |
481 | { |
|
|
482 | return |
480 | return ev_cb (static_cast<ev_watcher *>(this)) |
483 | ev_cb (static_cast<ev_watcher *>(this)) |
481 | (static_cast<ev_watcher *>(this), events); |
484 | (static_cast<ev_watcher *>(this), events); |
482 | } |
485 | } |
483 | |
486 | |
484 | bool is_active () const |
487 | bool is_active () const throw () |
485 | { |
488 | { |
486 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
489 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
487 | } |
490 | } |
488 | |
491 | |
489 | bool is_pending () const |
492 | bool is_pending () const throw () |
490 | { |
493 | { |
491 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
494 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
492 | } |
495 | } |
493 | |
496 | |
494 | void feed_event (int revents) |
497 | void feed_event (int revents) throw () |
495 | { |
498 | { |
496 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
499 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
497 | } |
500 | } |
498 | }; |
501 | }; |
499 | |
502 | |
500 | inline tstamp now () |
503 | inline tstamp now () throw () |
501 | { |
504 | { |
502 | return ev_time (); |
505 | return ev_time (); |
503 | } |
506 | } |
504 | |
507 | |
505 | inline void delay (tstamp interval) |
508 | inline void delay (tstamp interval) throw () |
506 | { |
509 | { |
507 | ev_sleep (interval); |
510 | ev_sleep (interval); |
508 | } |
511 | } |
509 | |
512 | |
510 | inline int version_major () |
513 | inline int version_major () throw () |
511 | { |
514 | { |
512 | return ev_version_major (); |
515 | return ev_version_major (); |
513 | } |
516 | } |
514 | |
517 | |
515 | inline int version_minor () |
518 | inline int version_minor () throw () |
516 | { |
519 | { |
517 | return ev_version_minor (); |
520 | return ev_version_minor (); |
518 | } |
521 | } |
519 | |
522 | |
520 | inline unsigned int supported_backends () |
523 | inline unsigned int supported_backends () throw () |
521 | { |
524 | { |
522 | return ev_supported_backends (); |
525 | return ev_supported_backends (); |
523 | } |
526 | } |
524 | |
527 | |
525 | inline unsigned int recommended_backends () |
528 | inline unsigned int recommended_backends () throw () |
526 | { |
529 | { |
527 | return ev_recommended_backends (); |
530 | return ev_recommended_backends (); |
528 | } |
531 | } |
529 | |
532 | |
530 | inline unsigned int embeddable_backends () |
533 | inline unsigned int embeddable_backends () throw () |
531 | { |
534 | { |
532 | return ev_embeddable_backends (); |
535 | return ev_embeddable_backends (); |
533 | } |
536 | } |
534 | |
537 | |
535 | inline void set_allocator (void *(*cb)(void *ptr, long size)) |
538 | inline void set_allocator (void *(*cb)(void *ptr, long size)) throw () |
536 | { |
539 | { |
537 | ev_set_allocator (cb); |
540 | ev_set_allocator (cb); |
538 | } |
541 | } |
539 | |
542 | |
540 | inline void set_syserr_cb (void (*cb)(const char *msg)) |
543 | inline void set_syserr_cb (void (*cb)(const char *msg)) throw () |
541 | { |
544 | { |
542 | ev_set_syserr_cb (cb); |
545 | ev_set_syserr_cb (cb); |
543 | } |
546 | } |
544 | |
547 | |
545 | #if EV_MULTIPLICITY |
548 | #if EV_MULTIPLICITY |
546 | #define EV_CONSTRUCT(cppstem,cstem) \ |
549 | #define EV_CONSTRUCT(cppstem,cstem) \ |
547 | (EV_PX = get_default_loop ()) \ |
550 | (EV_PX = get_default_loop ()) throw () \ |
548 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
551 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
549 | { \ |
552 | { \ |
550 | } |
553 | } |
551 | #else |
554 | #else |
552 | #define EV_CONSTRUCT(cppstem,cstem) \ |
555 | #define EV_CONSTRUCT(cppstem,cstem) \ |
553 | () \ |
556 | () throw () \ |
554 | { \ |
557 | { \ |
555 | } |
558 | } |
556 | #endif |
559 | #endif |
557 | |
560 | |
558 | /* using a template here would require quite a bit more lines, |
561 | /* using a template here would require quite a bit more lines, |
559 | * so a macro solution was chosen */ |
562 | * so a macro solution was chosen */ |
560 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
563 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
561 | \ |
564 | \ |
562 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
565 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
563 | { \ |
566 | { \ |
564 | void start () \ |
567 | void start () throw () \ |
565 | { \ |
568 | { \ |
566 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
569 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
567 | } \ |
570 | } \ |
568 | \ |
571 | \ |
569 | void stop () \ |
572 | void stop () throw () \ |
570 | { \ |
573 | { \ |
571 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
574 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
572 | } \ |
575 | } \ |
573 | \ |
576 | \ |
574 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
577 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
575 | \ |
578 | \ |
576 | ~cppstem () \ |
579 | ~cppstem () throw () \ |
577 | { \ |
580 | { \ |
578 | stop (); \ |
581 | stop (); \ |
579 | } \ |
582 | } \ |
580 | \ |
583 | \ |
581 | using base<ev_ ## cstem, cppstem>::set; \ |
584 | using base<ev_ ## cstem, cppstem>::set; \ |
582 | \ |
585 | \ |
583 | private: \ |
586 | private: \ |
584 | \ |
587 | \ |
585 | cppstem (const cppstem &o); \ |
588 | cppstem (const cppstem &o); \ |
586 | \ |
589 | \ |
587 | cppstem & operator =(const cppstem &o); \ |
590 | cppstem &operator =(const cppstem &o); \ |
588 | \ |
591 | \ |
589 | public: |
592 | public: |
590 | |
593 | |
591 | #define EV_END_WATCHER(cppstem,cstem) \ |
594 | #define EV_END_WATCHER(cppstem,cstem) \ |
592 | }; |
595 | }; |
593 | |
596 | |
594 | EV_BEGIN_WATCHER (io, io) |
597 | EV_BEGIN_WATCHER (io, io) |
595 | void set (int fd, int events) |
598 | void set (int fd, int events) throw () |
596 | { |
599 | { |
597 | int active = is_active (); |
600 | int active = is_active (); |
598 | if (active) stop (); |
601 | if (active) stop (); |
599 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
602 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
600 | if (active) start (); |
603 | if (active) start (); |
601 | } |
604 | } |
602 | |
605 | |
603 | void set (int events) |
606 | void set (int events) throw () |
604 | { |
607 | { |
605 | int active = is_active (); |
608 | int active = is_active (); |
606 | if (active) stop (); |
609 | if (active) stop (); |
607 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
610 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
608 | if (active) start (); |
611 | if (active) start (); |
609 | } |
612 | } |
610 | |
613 | |
611 | void start (int fd, int events) |
614 | void start (int fd, int events) throw () |
612 | { |
615 | { |
613 | set (fd, events); |
616 | set (fd, events); |
614 | start (); |
617 | start (); |
615 | } |
618 | } |
616 | EV_END_WATCHER (io, io) |
619 | EV_END_WATCHER (io, io) |
617 | |
620 | |
618 | EV_BEGIN_WATCHER (timer, timer) |
621 | EV_BEGIN_WATCHER (timer, timer) |
619 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
622 | void set (ev_tstamp after, ev_tstamp repeat = 0.) throw () |
620 | { |
623 | { |
621 | int active = is_active (); |
624 | int active = is_active (); |
622 | if (active) stop (); |
625 | if (active) stop (); |
623 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
626 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
624 | if (active) start (); |
627 | if (active) start (); |
625 | } |
628 | } |
626 | |
629 | |
627 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
630 | void start (ev_tstamp after, ev_tstamp repeat = 0.) throw () |
628 | { |
631 | { |
629 | set (after, repeat); |
632 | set (after, repeat); |
630 | start (); |
633 | start (); |
631 | } |
634 | } |
632 | |
635 | |
633 | void again () |
636 | void again () throw () |
634 | { |
637 | { |
635 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
638 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
636 | } |
639 | } |
637 | EV_END_WATCHER (timer, timer) |
640 | EV_END_WATCHER (timer, timer) |
638 | |
641 | |
639 | #if EV_PERIODIC_ENABLE |
642 | #if EV_PERIODIC_ENABLE |
640 | EV_BEGIN_WATCHER (periodic, periodic) |
643 | EV_BEGIN_WATCHER (periodic, periodic) |
641 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
644 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
642 | { |
645 | { |
643 | int active = is_active (); |
646 | int active = is_active (); |
644 | if (active) stop (); |
647 | if (active) stop (); |
645 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
648 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
646 | if (active) start (); |
649 | if (active) start (); |
647 | } |
650 | } |
648 | |
651 | |
649 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
652 | void start (ev_tstamp at, ev_tstamp interval = 0.) throw () |
650 | { |
653 | { |
651 | set (at, interval); |
654 | set (at, interval); |
652 | start (); |
655 | start (); |
653 | } |
656 | } |
654 | |
657 | |
655 | void again () |
658 | void again () throw () |
656 | { |
659 | { |
657 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
660 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
658 | } |
661 | } |
659 | EV_END_WATCHER (periodic, periodic) |
662 | EV_END_WATCHER (periodic, periodic) |
660 | #endif |
663 | #endif |
661 | |
664 | |
662 | EV_BEGIN_WATCHER (sig, signal) |
665 | EV_BEGIN_WATCHER (sig, signal) |
663 | void set (int signum) |
666 | void set (int signum) throw () |
664 | { |
667 | { |
665 | int active = is_active (); |
668 | int active = is_active (); |
666 | if (active) stop (); |
669 | if (active) stop (); |
667 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
670 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
668 | if (active) start (); |
671 | if (active) start (); |
669 | } |
672 | } |
670 | |
673 | |
671 | void start (int signum) |
674 | void start (int signum) throw () |
672 | { |
675 | { |
673 | set (signum); |
676 | set (signum); |
674 | start (); |
677 | start (); |
675 | } |
678 | } |
676 | EV_END_WATCHER (sig, signal) |
679 | EV_END_WATCHER (sig, signal) |
677 | |
680 | |
678 | EV_BEGIN_WATCHER (child, child) |
681 | EV_BEGIN_WATCHER (child, child) |
679 | void set (int pid) |
682 | void set (int pid, int trace = 0) throw () |
680 | { |
683 | { |
681 | int active = is_active (); |
684 | int active = is_active (); |
682 | if (active) stop (); |
685 | if (active) stop (); |
683 | ev_child_set (static_cast<ev_child *>(this), pid); |
686 | ev_child_set (static_cast<ev_child *>(this), pid, trace); |
684 | if (active) start (); |
687 | if (active) start (); |
685 | } |
688 | } |
686 | |
689 | |
687 | void start (int pid) |
690 | void start (int pid, int trace = 0) throw () |
688 | { |
691 | { |
689 | set (pid); |
692 | set (pid, trace); |
690 | start (); |
693 | start (); |
691 | } |
694 | } |
692 | EV_END_WATCHER (child, child) |
695 | EV_END_WATCHER (child, child) |
693 | |
696 | |
694 | #if EV_STAT_ENABLE |
697 | #if EV_STAT_ENABLE |
695 | EV_BEGIN_WATCHER (stat, stat) |
698 | EV_BEGIN_WATCHER (stat, stat) |
696 | void set (const char *path, ev_tstamp interval = 0.) |
699 | void set (const char *path, ev_tstamp interval = 0.) throw () |
697 | { |
700 | { |
698 | int active = is_active (); |
701 | int active = is_active (); |
699 | if (active) stop (); |
702 | if (active) stop (); |
700 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
703 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
701 | if (active) start (); |
704 | if (active) start (); |
702 | } |
705 | } |
703 | |
706 | |
704 | void start (const char *path, ev_tstamp interval = 0.) |
707 | void start (const char *path, ev_tstamp interval = 0.) throw () |
705 | { |
708 | { |
706 | stop (); |
709 | stop (); |
707 | set (path, interval); |
710 | set (path, interval); |
708 | start (); |
711 | start (); |
709 | } |
712 | } |
710 | |
713 | |
711 | void update () |
714 | void update () throw () |
712 | { |
715 | { |
713 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
716 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
714 | } |
717 | } |
715 | EV_END_WATCHER (stat, stat) |
718 | EV_END_WATCHER (stat, stat) |
716 | #endif |
719 | #endif |
717 | |
720 | |
718 | EV_BEGIN_WATCHER (idle, idle) |
721 | EV_BEGIN_WATCHER (idle, idle) |
719 | void set () { } |
722 | void set () throw () { } |
720 | EV_END_WATCHER (idle, idle) |
723 | EV_END_WATCHER (idle, idle) |
721 | |
724 | |
722 | EV_BEGIN_WATCHER (prepare, prepare) |
725 | EV_BEGIN_WATCHER (prepare, prepare) |
723 | void set () { } |
726 | void set () throw () { } |
724 | EV_END_WATCHER (prepare, prepare) |
727 | EV_END_WATCHER (prepare, prepare) |
725 | |
728 | |
726 | EV_BEGIN_WATCHER (check, check) |
729 | EV_BEGIN_WATCHER (check, check) |
727 | void set () { } |
730 | void set () throw () { } |
728 | EV_END_WATCHER (check, check) |
731 | EV_END_WATCHER (check, check) |
729 | |
732 | |
730 | #if EV_EMBED_ENABLE |
733 | #if EV_EMBED_ENABLE |
731 | EV_BEGIN_WATCHER (embed, embed) |
734 | EV_BEGIN_WATCHER (embed, embed) |
732 | void start (struct ev_loop *embedded_loop) |
735 | void set (struct ev_loop *embedded_loop) throw () |
733 | { |
736 | { |
734 | stop (); |
737 | int active = is_active (); |
|
|
738 | if (active) stop (); |
735 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
739 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
|
|
740 | if (active) start (); |
|
|
741 | } |
|
|
742 | |
|
|
743 | void start (struct ev_loop *embedded_loop) throw () |
|
|
744 | { |
|
|
745 | set (embedded_loop); |
736 | start (); |
746 | start (); |
737 | } |
747 | } |
738 | |
748 | |
739 | void sweep () |
749 | void sweep () |
740 | { |
750 | { |
… | |
… | |
743 | EV_END_WATCHER (embed, embed) |
753 | EV_END_WATCHER (embed, embed) |
744 | #endif |
754 | #endif |
745 | |
755 | |
746 | #if EV_FORK_ENABLE |
756 | #if EV_FORK_ENABLE |
747 | EV_BEGIN_WATCHER (fork, fork) |
757 | EV_BEGIN_WATCHER (fork, fork) |
748 | void set () { } |
758 | void set () throw () { } |
749 | EV_END_WATCHER (fork, fork) |
759 | EV_END_WATCHER (fork, fork) |
|
|
760 | #endif |
|
|
761 | |
|
|
762 | #if EV_ASYNC_ENABLE |
|
|
763 | EV_BEGIN_WATCHER (async, async) |
|
|
764 | void set () throw () { } |
|
|
765 | |
|
|
766 | void send () throw () |
|
|
767 | { |
|
|
768 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
|
|
769 | } |
|
|
770 | |
|
|
771 | bool async_pending () throw () |
|
|
772 | { |
|
|
773 | return ev_async_pending (static_cast<ev_async *>(this)); |
|
|
774 | } |
|
|
775 | EV_END_WATCHER (async, async) |
750 | #endif |
776 | #endif |
751 | |
777 | |
752 | #undef EV_PX |
778 | #undef EV_PX |
753 | #undef EV_PX_ |
779 | #undef EV_PX_ |
754 | #undef EV_CONSTRUCT |
780 | #undef EV_CONSTRUCT |
755 | #undef EV_BEGIN_WATCHER |
781 | #undef EV_BEGIN_WATCHER |
756 | #undef EV_END_WATCHER |
782 | #undef EV_END_WATCHER |
757 | |
|
|
758 | } |
783 | } |
759 | |
784 | |
760 | #endif |
785 | #endif |
761 | |
786 | |