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 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 |
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197 | { |
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198 | return ev_loop_count (EV_AX); |
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199 | } |
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200 | |
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201 | unsigned int backend () const |
210 | unsigned int backend () const throw () |
202 | { |
211 | { |
203 | return ev_backend (EV_AX); |
212 | return ev_backend (EV_AX); |
204 | } |
213 | } |
205 | |
214 | |
206 | tstamp now () const |
215 | tstamp now () const throw () |
207 | { |
216 | { |
208 | return ev_now (EV_AX); |
217 | return ev_now (EV_AX); |
209 | } |
218 | } |
210 | |
219 | |
211 | void ref () |
220 | void ref () throw () |
212 | { |
221 | { |
213 | ev_ref (EV_AX); |
222 | ev_ref (EV_AX); |
214 | } |
223 | } |
215 | |
224 | |
216 | void unref () |
225 | void unref () throw () |
217 | { |
226 | { |
218 | ev_unref (EV_AX); |
227 | ev_unref (EV_AX); |
219 | } |
228 | } |
220 | |
229 | |
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230 | #if EV_FEATURE_API |
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231 | unsigned int iteration () const throw () |
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232 | { |
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233 | return ev_iteration (EV_AX); |
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234 | } |
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235 | |
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236 | unsigned int depth () const throw () |
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237 | { |
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238 | return ev_depth (EV_AX); |
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239 | } |
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240 | |
221 | void set_io_collect_interval (tstamp interval) |
241 | void set_io_collect_interval (tstamp interval) throw () |
222 | { |
242 | { |
223 | ev_set_io_collect_interval (EV_AX_ interval); |
243 | ev_set_io_collect_interval (EV_AX_ interval); |
224 | } |
244 | } |
225 | |
245 | |
226 | void set_timeout_collect_interval (tstamp interval) |
246 | void set_timeout_collect_interval (tstamp interval) throw () |
227 | { |
247 | { |
228 | ev_set_timeout_collect_interval (EV_AX_ interval); |
248 | ev_set_timeout_collect_interval (EV_AX_ interval); |
229 | } |
249 | } |
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250 | #endif |
230 | |
251 | |
231 | // function callback |
252 | // function callback |
232 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) |
253 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
233 | { |
254 | { |
234 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
255 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
235 | } |
256 | } |
236 | |
257 | |
237 | // method callback |
258 | // method callback |
238 | template<class K, void (K::*method)(int)> |
259 | template<class K, void (K::*method)(int)> |
239 | void once (int fd, int events, tstamp timeout, K *object) |
260 | void once (int fd, int events, tstamp timeout, K *object) throw () |
240 | { |
261 | { |
241 | once (fd, events, timeout, method_thunk<K, method>, object); |
262 | once (fd, events, timeout, method_thunk<K, method>, object); |
242 | } |
263 | } |
243 | |
264 | |
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265 | // default method == operator () |
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266 | template<class K> |
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267 | void once (int fd, int events, tstamp timeout, K *object) throw () |
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268 | { |
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269 | once (fd, events, timeout, method_thunk<K, &K::operator ()>, object); |
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270 | } |
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271 | |
244 | template<class K, void (K::*method)(int)> |
272 | template<class K, void (K::*method)(int)> |
245 | static void method_thunk (int revents, void* arg) |
273 | 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 | } |
274 | { |
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275 | static_cast<K *>(arg)->*method |
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276 | (revents); |
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277 | } |
250 | |
278 | |
251 | // const method callback |
279 | // 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)()> |
280 | template<class K, void (K::*method)()> |
267 | void once (int fd, int events, tstamp timeout, K *object) |
281 | void once (int fd, int events, tstamp timeout, K *object) throw () |
268 | { |
282 | { |
269 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
283 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
270 | } |
284 | } |
271 | |
285 | |
272 | template<class K, void (K::*method)()> |
286 | template<class K, void (K::*method)()> |
273 | static void method_noargs_thunk (int revents, void* arg) |
287 | static void method_noargs_thunk (int revents, void *arg) |
274 | { |
288 | { |
275 | K *obj = static_cast<K *>(arg); |
289 | static_cast<K *>(arg)->*method |
276 | (obj->*method) (); |
290 | (); |
277 | } |
291 | } |
278 | |
292 | |
279 | // simpler function callback |
293 | // simpler function callback |
280 | template<void (*cb)(int)> |
294 | template<void (*cb)(int)> |
281 | void once (int fd, int events, tstamp timeout) |
295 | void once (int fd, int events, tstamp timeout) throw () |
282 | { |
296 | { |
283 | once (fd, events, timeout, simpler_func_thunk<cb>); |
297 | once (fd, events, timeout, simpler_func_thunk<cb>); |
284 | } |
298 | } |
285 | |
299 | |
286 | template<void (*cb)(int)> |
300 | template<void (*cb)(int)> |
287 | static void simpler_func_thunk (int revents, void* arg) |
301 | static void simpler_func_thunk (int revents, void *arg) |
288 | { |
302 | { |
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303 | (*cb) |
289 | (*cb) (revents); |
304 | (revents); |
290 | } |
305 | } |
291 | |
306 | |
292 | // simplest function callback |
307 | // simplest function callback |
293 | template<void (*cb)()> |
308 | template<void (*cb)()> |
294 | void once (int fd, int events, tstamp timeout) |
309 | void once (int fd, int events, tstamp timeout) throw () |
295 | { |
310 | { |
296 | once (fd, events, timeout, simplest_func_thunk<cb>); |
311 | once (fd, events, timeout, simplest_func_thunk<cb>); |
297 | } |
312 | } |
298 | |
313 | |
299 | template<void (*cb)()> |
314 | template<void (*cb)()> |
300 | static void simplest_func_thunk (int revents, void* arg) |
315 | static void simplest_func_thunk (int revents, void *arg) |
301 | { |
316 | { |
302 | (*cb) (); |
317 | (*cb) |
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318 | (); |
303 | } |
319 | } |
304 | |
320 | |
305 | void feed_fd_event (int fd, int revents) |
321 | void feed_fd_event (int fd, int revents) throw () |
306 | { |
322 | { |
307 | ev_feed_fd_event (EV_AX_ fd, revents); |
323 | ev_feed_fd_event (EV_AX_ fd, revents); |
308 | } |
324 | } |
309 | |
325 | |
310 | void feed_signal_event (int signum) |
326 | void feed_signal_event (int signum) throw () |
311 | { |
327 | { |
312 | ev_feed_signal_event (EV_AX_ signum); |
328 | ev_feed_signal_event (EV_AX_ signum); |
313 | } |
329 | } |
314 | |
330 | |
315 | #if EV_MULTIPLICITY |
331 | #if EV_MULTIPLICITY |
… | |
… | |
317 | #endif |
333 | #endif |
318 | |
334 | |
319 | }; |
335 | }; |
320 | |
336 | |
321 | #if EV_MULTIPLICITY |
337 | #if EV_MULTIPLICITY |
322 | struct dynamic_loop: loop_ref |
338 | struct dynamic_loop : loop_ref |
323 | { |
339 | { |
324 | |
340 | |
325 | dynamic_loop (unsigned int flags = AUTO) |
341 | dynamic_loop (unsigned int flags = AUTO) throw (bad_loop) |
326 | : loop_ref (ev_loop_new (flags)) |
342 | : loop_ref (ev_loop_new (flags)) |
327 | { |
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328 | } |
343 | { |
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344 | if (!EV_AX) |
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345 | throw bad_loop (); |
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346 | } |
329 | |
347 | |
330 | ~dynamic_loop () |
348 | ~dynamic_loop () throw () |
331 | { |
349 | { |
332 | ev_loop_destroy (EV_AX); |
350 | ev_loop_destroy (EV_AX); |
333 | EV_AX = 0; |
351 | EV_AX = 0; |
334 | } |
352 | } |
335 | |
353 | |
… | |
… | |
340 | dynamic_loop & operator= (const dynamic_loop &); |
358 | dynamic_loop & operator= (const dynamic_loop &); |
341 | |
359 | |
342 | }; |
360 | }; |
343 | #endif |
361 | #endif |
344 | |
362 | |
345 | struct default_loop: loop_ref |
363 | struct default_loop : loop_ref |
346 | { |
364 | { |
347 | |
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348 | default_loop (unsigned int flags = AUTO) |
365 | default_loop (unsigned int flags = AUTO) throw (bad_loop) |
349 | #if EV_MULTIPLICITY |
366 | #if EV_MULTIPLICITY |
350 | : loop_ref (ev_default_loop (flags)) |
367 | : loop_ref (ev_default_loop (flags)) |
351 | { |
368 | #endif |
352 | } |
369 | { |
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370 | if ( |
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371 | #if EV_MULTIPLICITY |
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372 | !EV_AX |
353 | #else |
373 | #else |
354 | { |
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355 | ev_default_loop (flags); |
374 | !ev_default_loop (flags) |
356 | } |
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357 | #endif |
375 | #endif |
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376 | ) |
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377 | throw bad_loop (); |
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378 | } |
358 | |
379 | |
359 | ~default_loop () |
380 | ~default_loop () throw () |
360 | { |
381 | { |
361 | ev_default_destroy (); |
382 | 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 | } |
383 | } |
366 | |
384 | |
367 | private: |
385 | private: |
368 | |
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369 | default_loop (const default_loop &); |
386 | default_loop (const default_loop &); |
370 | |
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371 | default_loop & operator= (const default_loop &); |
387 | default_loop &operator = (const default_loop &); |
372 | |
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373 | }; |
388 | }; |
374 | |
389 | |
375 | inline loop_ref get_default_loop () |
390 | inline loop_ref get_default_loop () throw () |
376 | { |
391 | { |
377 | #if EV_MULTIPLICITY |
392 | #if EV_MULTIPLICITY |
378 | return ev_default_loop (0); |
393 | return ev_default_loop (0); |
379 | #else |
394 | #else |
380 | return loop_ref (); |
395 | return loop_ref (); |
… | |
… | |
398 | struct base : ev_watcher |
413 | struct base : ev_watcher |
399 | { |
414 | { |
400 | #if EV_MULTIPLICITY |
415 | #if EV_MULTIPLICITY |
401 | EV_PX; |
416 | EV_PX; |
402 | |
417 | |
403 | void set (EV_PX) |
418 | void set (EV_P) throw () |
404 | { |
419 | { |
405 | this->EV_A = EV_A; |
420 | this->EV_A = EV_A; |
406 | } |
421 | } |
407 | #endif |
422 | #endif |
408 | |
423 | |
409 | base (EV_PX) |
424 | base (EV_PX) throw () |
410 | #if EV_MULTIPLICITY |
425 | #if EV_MULTIPLICITY |
411 | : EV_A (EV_A) |
426 | : EV_A (EV_A) |
412 | #endif |
427 | #endif |
413 | { |
428 | { |
414 | ev_init (this, 0); |
429 | ev_init (this, 0); |
415 | } |
430 | } |
416 | |
431 | |
417 | void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) |
432 | void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw () |
418 | { |
433 | { |
419 | this->data = data; |
434 | this->data = (void *)data; |
420 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
435 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
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436 | } |
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437 | |
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438 | // function callback |
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439 | template<void (*function)(watcher &w, int)> |
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440 | void set (void *data = 0) throw () |
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441 | { |
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442 | set_ (data, function_thunk<function>); |
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|
443 | } |
|
|
444 | |
|
|
445 | template<void (*function)(watcher &w, int)> |
|
|
446 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
447 | { |
|
|
448 | function |
|
|
449 | (*static_cast<watcher *>(w), revents); |
421 | } |
450 | } |
422 | |
451 | |
423 | // method callback |
452 | // method callback |
424 | template<class K, void (K::*method)(watcher &w, int)> |
453 | template<class K, void (K::*method)(watcher &w, int)> |
425 | void set (K *object) |
454 | void set (K *object) throw () |
426 | { |
455 | { |
427 | set_ (object, method_thunk<K, method>); |
456 | set_ (object, method_thunk<K, method>); |
|
|
457 | } |
|
|
458 | |
|
|
459 | // default method == operator () |
|
|
460 | template<class K> |
|
|
461 | void set (K *object) throw () |
|
|
462 | { |
|
|
463 | set_ (object, method_thunk<K, &K::operator ()>); |
428 | } |
464 | } |
429 | |
465 | |
430 | template<class K, void (K::*method)(watcher &w, int)> |
466 | template<class K, void (K::*method)(watcher &w, int)> |
431 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
467 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
432 | { |
468 | { |
433 | K *obj = static_cast<K *>(w->data); |
469 | (static_cast<K *>(w->data)->*method) |
434 | (obj->*method) (*static_cast<watcher *>(w), revents); |
|
|
435 | } |
|
|
436 | |
|
|
437 | // const method callback |
|
|
438 | template<class K, void (K::*method)(watcher &w, int) const> |
|
|
439 | void set (const K *object) |
|
|
440 | { |
|
|
441 | set_ (object, const_method_thunk<K, method>); |
|
|
442 | } |
|
|
443 | |
|
|
444 | template<class K, void (K::*method)(watcher &w, int) const> |
|
|
445 | static void const_method_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
446 | { |
|
|
447 | K *obj = static_cast<K *>(w->data); |
|
|
448 | (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); |
|
|
449 | } |
|
|
450 | |
|
|
451 | // function callback |
|
|
452 | template<void (*function)(watcher &w, int)> |
|
|
453 | void set (void *data = 0) |
|
|
454 | { |
|
|
455 | set_ (data, function_thunk<function>); |
|
|
456 | } |
|
|
457 | |
|
|
458 | template<void (*function)(watcher &w, int)> |
|
|
459 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
460 | { |
|
|
461 | function (*static_cast<watcher *>(w), revents); |
470 | (*static_cast<watcher *>(w), revents); |
462 | } |
471 | } |
463 | |
472 | |
464 | // simple callback |
473 | // no-argument callback |
465 | template<class K, void (K::*method)()> |
474 | template<class K, void (K::*method)()> |
466 | void set (K *object) |
475 | void set (K *object) throw () |
467 | { |
476 | { |
468 | set_ (object, method_noargs_thunk<K, method>); |
477 | set_ (object, method_noargs_thunk<K, method>); |
469 | } |
478 | } |
470 | |
479 | |
471 | template<class K, void (K::*method)()> |
480 | template<class K, void (K::*method)()> |
472 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
481 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
473 | { |
482 | { |
474 | K *obj = static_cast<K *>(w->data); |
483 | (static_cast<K *>(w->data)->*method) |
475 | (obj->*method) (); |
484 | (); |
476 | } |
485 | } |
477 | |
486 | |
478 | void operator ()(int events = EV_UNDEF) |
487 | void operator ()(int events = EV_UNDEF) |
479 | { |
488 | { |
|
|
489 | return |
480 | return ev_cb (static_cast<ev_watcher *>(this)) |
490 | ev_cb (static_cast<ev_watcher *>(this)) |
481 | (static_cast<ev_watcher *>(this), events); |
491 | (static_cast<ev_watcher *>(this), events); |
482 | } |
492 | } |
483 | |
493 | |
484 | bool is_active () const |
494 | bool is_active () const throw () |
485 | { |
495 | { |
486 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
496 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
487 | } |
497 | } |
488 | |
498 | |
489 | bool is_pending () const |
499 | bool is_pending () const throw () |
490 | { |
500 | { |
491 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
501 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
492 | } |
502 | } |
493 | |
503 | |
494 | void feed_event (int revents) |
504 | void feed_event (int revents) throw () |
495 | { |
505 | { |
496 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
506 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
497 | } |
507 | } |
498 | }; |
508 | }; |
499 | |
509 | |
500 | inline tstamp now () |
510 | inline tstamp now () throw () |
501 | { |
511 | { |
502 | return ev_time (); |
512 | return ev_time (); |
503 | } |
513 | } |
504 | |
514 | |
505 | inline void delay (tstamp interval) |
515 | inline void delay (tstamp interval) throw () |
506 | { |
516 | { |
507 | ev_sleep (interval); |
517 | ev_sleep (interval); |
508 | } |
518 | } |
509 | |
519 | |
510 | inline int version_major () |
520 | inline int version_major () throw () |
511 | { |
521 | { |
512 | return ev_version_major (); |
522 | return ev_version_major (); |
513 | } |
523 | } |
514 | |
524 | |
515 | inline int version_minor () |
525 | inline int version_minor () throw () |
516 | { |
526 | { |
517 | return ev_version_minor (); |
527 | return ev_version_minor (); |
518 | } |
528 | } |
519 | |
529 | |
520 | inline unsigned int supported_backends () |
530 | inline unsigned int supported_backends () throw () |
521 | { |
531 | { |
522 | return ev_supported_backends (); |
532 | return ev_supported_backends (); |
523 | } |
533 | } |
524 | |
534 | |
525 | inline unsigned int recommended_backends () |
535 | inline unsigned int recommended_backends () throw () |
526 | { |
536 | { |
527 | return ev_recommended_backends (); |
537 | return ev_recommended_backends (); |
528 | } |
538 | } |
529 | |
539 | |
530 | inline unsigned int embeddable_backends () |
540 | inline unsigned int embeddable_backends () throw () |
531 | { |
541 | { |
532 | return ev_embeddable_backends (); |
542 | return ev_embeddable_backends (); |
533 | } |
543 | } |
534 | |
544 | |
535 | inline void set_allocator (void *(*cb)(void *ptr, long size)) |
545 | inline void set_allocator (void *(*cb)(void *ptr, long size)) throw () |
536 | { |
546 | { |
537 | ev_set_allocator (cb); |
547 | ev_set_allocator (cb); |
538 | } |
548 | } |
539 | |
549 | |
540 | inline void set_syserr_cb (void (*cb)(const char *msg)) |
550 | inline void set_syserr_cb (void (*cb)(const char *msg)) throw () |
541 | { |
551 | { |
542 | ev_set_syserr_cb (cb); |
552 | ev_set_syserr_cb (cb); |
543 | } |
553 | } |
544 | |
554 | |
545 | #if EV_MULTIPLICITY |
555 | #if EV_MULTIPLICITY |
546 | #define EV_CONSTRUCT(cppstem,cstem) \ |
556 | #define EV_CONSTRUCT(cppstem,cstem) \ |
547 | (EV_PX = get_default_loop ()) \ |
557 | (EV_PX = get_default_loop ()) throw () \ |
548 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
558 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
549 | { \ |
559 | { \ |
550 | } |
560 | } |
551 | #else |
561 | #else |
552 | #define EV_CONSTRUCT(cppstem,cstem) \ |
562 | #define EV_CONSTRUCT(cppstem,cstem) \ |
553 | () \ |
563 | () throw () \ |
554 | { \ |
564 | { \ |
555 | } |
565 | } |
556 | #endif |
566 | #endif |
557 | |
567 | |
558 | /* using a template here would require quite a bit more lines, |
568 | /* using a template here would require quite a bit more lines, |
559 | * so a macro solution was chosen */ |
569 | * so a macro solution was chosen */ |
560 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
570 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
561 | \ |
571 | \ |
562 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
572 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
563 | { \ |
573 | { \ |
564 | void start () \ |
574 | void start () throw () \ |
565 | { \ |
575 | { \ |
566 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
576 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
567 | } \ |
577 | } \ |
568 | \ |
578 | \ |
569 | void stop () \ |
579 | void stop () throw () \ |
570 | { \ |
580 | { \ |
571 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
581 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
572 | } \ |
582 | } \ |
573 | \ |
583 | \ |
574 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
584 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
575 | \ |
585 | \ |
576 | ~cppstem () \ |
586 | ~cppstem () throw () \ |
577 | { \ |
587 | { \ |
578 | stop (); \ |
588 | stop (); \ |
579 | } \ |
589 | } \ |
580 | \ |
590 | \ |
581 | using base<ev_ ## cstem, cppstem>::set; \ |
591 | using base<ev_ ## cstem, cppstem>::set; \ |
582 | \ |
592 | \ |
583 | private: \ |
593 | private: \ |
584 | \ |
594 | \ |
585 | cppstem (const cppstem &o); \ |
595 | cppstem (const cppstem &o); \ |
586 | \ |
596 | \ |
587 | cppstem & operator =(const cppstem &o); \ |
597 | cppstem &operator =(const cppstem &o); \ |
588 | \ |
598 | \ |
589 | public: |
599 | public: |
590 | |
600 | |
591 | #define EV_END_WATCHER(cppstem,cstem) \ |
601 | #define EV_END_WATCHER(cppstem,cstem) \ |
592 | }; |
602 | }; |
593 | |
603 | |
594 | EV_BEGIN_WATCHER (io, io) |
604 | EV_BEGIN_WATCHER (io, io) |
595 | void set (int fd, int events) |
605 | void set (int fd, int events) throw () |
596 | { |
606 | { |
597 | int active = is_active (); |
607 | int active = is_active (); |
598 | if (active) stop (); |
608 | if (active) stop (); |
599 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
609 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
600 | if (active) start (); |
610 | if (active) start (); |
601 | } |
611 | } |
602 | |
612 | |
603 | void set (int events) |
613 | void set (int events) throw () |
604 | { |
614 | { |
605 | int active = is_active (); |
615 | int active = is_active (); |
606 | if (active) stop (); |
616 | if (active) stop (); |
607 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
617 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
608 | if (active) start (); |
618 | if (active) start (); |
609 | } |
619 | } |
610 | |
620 | |
611 | void start (int fd, int events) |
621 | void start (int fd, int events) throw () |
612 | { |
622 | { |
613 | set (fd, events); |
623 | set (fd, events); |
614 | start (); |
624 | start (); |
615 | } |
625 | } |
616 | EV_END_WATCHER (io, io) |
626 | EV_END_WATCHER (io, io) |
617 | |
627 | |
618 | EV_BEGIN_WATCHER (timer, timer) |
628 | EV_BEGIN_WATCHER (timer, timer) |
619 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
629 | void set (ev_tstamp after, ev_tstamp repeat = 0.) throw () |
620 | { |
630 | { |
621 | int active = is_active (); |
631 | int active = is_active (); |
622 | if (active) stop (); |
632 | if (active) stop (); |
623 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
633 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
624 | if (active) start (); |
634 | if (active) start (); |
625 | } |
635 | } |
626 | |
636 | |
627 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
637 | void start (ev_tstamp after, ev_tstamp repeat = 0.) throw () |
628 | { |
638 | { |
629 | set (after, repeat); |
639 | set (after, repeat); |
630 | start (); |
640 | start (); |
631 | } |
641 | } |
632 | |
642 | |
633 | void again () |
643 | void again () throw () |
634 | { |
644 | { |
635 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
645 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
|
|
646 | } |
|
|
647 | |
|
|
648 | ev_tstamp remaining () |
|
|
649 | { |
|
|
650 | return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this)); |
636 | } |
651 | } |
637 | EV_END_WATCHER (timer, timer) |
652 | EV_END_WATCHER (timer, timer) |
638 | |
653 | |
639 | #if EV_PERIODIC_ENABLE |
654 | #if EV_PERIODIC_ENABLE |
640 | EV_BEGIN_WATCHER (periodic, periodic) |
655 | EV_BEGIN_WATCHER (periodic, periodic) |
641 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
656 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
642 | { |
657 | { |
643 | int active = is_active (); |
658 | int active = is_active (); |
644 | if (active) stop (); |
659 | if (active) stop (); |
645 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
660 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
646 | if (active) start (); |
661 | if (active) start (); |
647 | } |
662 | } |
648 | |
663 | |
649 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
664 | void start (ev_tstamp at, ev_tstamp interval = 0.) throw () |
650 | { |
665 | { |
651 | set (at, interval); |
666 | set (at, interval); |
652 | start (); |
667 | start (); |
653 | } |
668 | } |
654 | |
669 | |
655 | void again () |
670 | void again () throw () |
656 | { |
671 | { |
657 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
672 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
658 | } |
673 | } |
659 | EV_END_WATCHER (periodic, periodic) |
674 | EV_END_WATCHER (periodic, periodic) |
660 | #endif |
675 | #endif |
661 | |
676 | |
|
|
677 | #if EV_SIGNAL_ENABLE |
662 | EV_BEGIN_WATCHER (sig, signal) |
678 | EV_BEGIN_WATCHER (sig, signal) |
663 | void set (int signum) |
679 | void set (int signum) throw () |
664 | { |
680 | { |
665 | int active = is_active (); |
681 | int active = is_active (); |
666 | if (active) stop (); |
682 | if (active) stop (); |
667 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
683 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
668 | if (active) start (); |
684 | if (active) start (); |
669 | } |
685 | } |
670 | |
686 | |
671 | void start (int signum) |
687 | void start (int signum) throw () |
672 | { |
688 | { |
673 | set (signum); |
689 | set (signum); |
674 | start (); |
690 | start (); |
675 | } |
691 | } |
676 | EV_END_WATCHER (sig, signal) |
692 | EV_END_WATCHER (sig, signal) |
|
|
693 | #endif |
677 | |
694 | |
|
|
695 | #if EV_CHILD_ENABLE |
678 | EV_BEGIN_WATCHER (child, child) |
696 | EV_BEGIN_WATCHER (child, child) |
679 | void set (int pid) |
697 | void set (int pid, int trace = 0) throw () |
680 | { |
698 | { |
681 | int active = is_active (); |
699 | int active = is_active (); |
682 | if (active) stop (); |
700 | if (active) stop (); |
683 | ev_child_set (static_cast<ev_child *>(this), pid); |
701 | ev_child_set (static_cast<ev_child *>(this), pid, trace); |
684 | if (active) start (); |
702 | if (active) start (); |
685 | } |
703 | } |
686 | |
704 | |
687 | void start (int pid) |
705 | void start (int pid, int trace = 0) throw () |
688 | { |
706 | { |
689 | set (pid); |
707 | set (pid, trace); |
690 | start (); |
708 | start (); |
691 | } |
709 | } |
692 | EV_END_WATCHER (child, child) |
710 | EV_END_WATCHER (child, child) |
|
|
711 | #endif |
693 | |
712 | |
694 | #if EV_STAT_ENABLE |
713 | #if EV_STAT_ENABLE |
695 | EV_BEGIN_WATCHER (stat, stat) |
714 | EV_BEGIN_WATCHER (stat, stat) |
696 | void set (const char *path, ev_tstamp interval = 0.) |
715 | void set (const char *path, ev_tstamp interval = 0.) throw () |
697 | { |
716 | { |
698 | int active = is_active (); |
717 | int active = is_active (); |
699 | if (active) stop (); |
718 | if (active) stop (); |
700 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
719 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
701 | if (active) start (); |
720 | if (active) start (); |
702 | } |
721 | } |
703 | |
722 | |
704 | void start (const char *path, ev_tstamp interval = 0.) |
723 | void start (const char *path, ev_tstamp interval = 0.) throw () |
705 | { |
724 | { |
706 | stop (); |
725 | stop (); |
707 | set (path, interval); |
726 | set (path, interval); |
708 | start (); |
727 | start (); |
709 | } |
728 | } |
710 | |
729 | |
711 | void update () |
730 | void update () throw () |
712 | { |
731 | { |
713 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
732 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
714 | } |
733 | } |
715 | EV_END_WATCHER (stat, stat) |
734 | EV_END_WATCHER (stat, stat) |
716 | #endif |
735 | #endif |
717 | |
736 | |
|
|
737 | #if EV_IDLE_ENABLE |
718 | EV_BEGIN_WATCHER (idle, idle) |
738 | EV_BEGIN_WATCHER (idle, idle) |
719 | void set () { } |
739 | void set () throw () { } |
720 | EV_END_WATCHER (idle, idle) |
740 | EV_END_WATCHER (idle, idle) |
|
|
741 | #endif |
721 | |
742 | |
|
|
743 | #if EV_PREPARE_ENABLE |
722 | EV_BEGIN_WATCHER (prepare, prepare) |
744 | EV_BEGIN_WATCHER (prepare, prepare) |
723 | void set () { } |
745 | void set () throw () { } |
724 | EV_END_WATCHER (prepare, prepare) |
746 | EV_END_WATCHER (prepare, prepare) |
|
|
747 | #endif |
725 | |
748 | |
|
|
749 | #if EV_CHECK_ENABLE |
726 | EV_BEGIN_WATCHER (check, check) |
750 | EV_BEGIN_WATCHER (check, check) |
727 | void set () { } |
751 | void set () throw () { } |
728 | EV_END_WATCHER (check, check) |
752 | EV_END_WATCHER (check, check) |
|
|
753 | #endif |
729 | |
754 | |
730 | #if EV_EMBED_ENABLE |
755 | #if EV_EMBED_ENABLE |
731 | EV_BEGIN_WATCHER (embed, embed) |
756 | EV_BEGIN_WATCHER (embed, embed) |
732 | void start (struct ev_loop *embedded_loop) |
757 | void set (struct ev_loop *embedded_loop) throw () |
733 | { |
758 | { |
734 | stop (); |
759 | int active = is_active (); |
|
|
760 | if (active) stop (); |
735 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
761 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
|
|
762 | if (active) start (); |
|
|
763 | } |
|
|
764 | |
|
|
765 | void start (struct ev_loop *embedded_loop) throw () |
|
|
766 | { |
|
|
767 | set (embedded_loop); |
736 | start (); |
768 | start (); |
737 | } |
769 | } |
738 | |
770 | |
739 | void sweep () |
771 | void sweep () |
740 | { |
772 | { |
… | |
… | |
743 | EV_END_WATCHER (embed, embed) |
775 | EV_END_WATCHER (embed, embed) |
744 | #endif |
776 | #endif |
745 | |
777 | |
746 | #if EV_FORK_ENABLE |
778 | #if EV_FORK_ENABLE |
747 | EV_BEGIN_WATCHER (fork, fork) |
779 | EV_BEGIN_WATCHER (fork, fork) |
748 | void set () { } |
780 | void set () throw () { } |
749 | EV_END_WATCHER (fork, fork) |
781 | EV_END_WATCHER (fork, fork) |
|
|
782 | #endif |
|
|
783 | |
|
|
784 | #if EV_ASYNC_ENABLE |
|
|
785 | EV_BEGIN_WATCHER (async, async) |
|
|
786 | void set () throw () { } |
|
|
787 | |
|
|
788 | void send () throw () |
|
|
789 | { |
|
|
790 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
|
|
791 | } |
|
|
792 | |
|
|
793 | bool async_pending () throw () |
|
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794 | { |
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795 | return ev_async_pending (static_cast<ev_async *>(this)); |
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796 | } |
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797 | EV_END_WATCHER (async, async) |
750 | #endif |
798 | #endif |
751 | |
799 | |
752 | #undef EV_PX |
800 | #undef EV_PX |
753 | #undef EV_PX_ |
801 | #undef EV_PX_ |
754 | #undef EV_CONSTRUCT |
802 | #undef EV_CONSTRUCT |
755 | #undef EV_BEGIN_WATCHER |
803 | #undef EV_BEGIN_WATCHER |
756 | #undef EV_END_WATCHER |
804 | #undef EV_END_WATCHER |
757 | |
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758 | } |
805 | } |
759 | |
806 | |
760 | #endif |
807 | #endif |
761 | |
808 | |