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, |
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67 | #if EV_COMPAT3 |
58 | TIMEOUT = EV_TIMEOUT, |
68 | TIMEOUT = EV_TIMEOUT, |
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69 | #endif |
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70 | TIMER = EV_TIMER, |
59 | PERIODIC = EV_PERIODIC, |
71 | PERIODIC = EV_PERIODIC, |
60 | SIGNAL = EV_SIGNAL, |
72 | SIGNAL = EV_SIGNAL, |
61 | CHILD = EV_CHILD, |
73 | CHILD = EV_CHILD, |
62 | STAT = EV_STAT, |
74 | STAT = EV_STAT, |
63 | IDLE = EV_IDLE, |
75 | IDLE = EV_IDLE, |
64 | CHECK = EV_CHECK, |
76 | CHECK = EV_CHECK, |
65 | PREPARE = EV_PREPARE, |
77 | PREPARE = EV_PREPARE, |
66 | FORK = EV_FORK, |
78 | FORK = EV_FORK, |
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79 | ASYNC = EV_ASYNC, |
67 | EMBED = EV_EMBED, |
80 | EMBED = EV_EMBED, |
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81 | # undef ERROR // some systems stupidly #define ERROR |
68 | ERROR = EV_ERROR, |
82 | ERROR = EV_ERROR |
69 | }; |
83 | }; |
70 | |
84 | |
71 | enum |
85 | enum |
72 | { |
86 | { |
73 | AUTO = EVFLAG_AUTO, |
87 | AUTO = EVFLAG_AUTO, |
74 | NOENV = EVFLAG_NOENV, |
88 | NOENV = EVFLAG_NOENV, |
75 | FORKCHECK = EVFLAG_FORKCHECK, |
89 | FORKCHECK = EVFLAG_FORKCHECK, |
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90 | |
76 | SELECT = EVBACKEND_SELECT, |
91 | SELECT = EVBACKEND_SELECT, |
77 | POLL = EVBACKEND_POLL, |
92 | POLL = EVBACKEND_POLL, |
78 | EPOLL = EVBACKEND_EPOLL, |
93 | EPOLL = EVBACKEND_EPOLL, |
79 | KQUEUE = EVBACKEND_KQUEUE, |
94 | KQUEUE = EVBACKEND_KQUEUE, |
80 | DEVPOLL = EVBACKEND_DEVPOLL, |
95 | DEVPOLL = EVBACKEND_DEVPOLL, |
81 | PORT = EVBACKEND_PORT |
96 | PORT = EVBACKEND_PORT |
82 | }; |
97 | }; |
83 | |
98 | |
84 | enum |
99 | enum |
85 | { |
100 | { |
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101 | #if EV_COMPAT3 |
86 | NONBLOCK = EVLOOP_NONBLOCK, |
102 | NONBLOCK = EVLOOP_NONBLOCK, |
87 | ONESHOT = EVLOOP_ONESHOT |
103 | ONESHOT = EVLOOP_ONESHOT, |
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104 | #endif |
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105 | NOWAIT = EVRUN_NOWAIT, |
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106 | ONCE = EVRUN_ONCE |
88 | }; |
107 | }; |
89 | |
108 | |
90 | enum how_t |
109 | enum how_t |
91 | { |
110 | { |
92 | ONE = EVUNLOOP_ONE, |
111 | ONE = EVBREAK_ONE, |
93 | ALL = EVUNLOOP_ALL |
112 | ALL = EVBREAK_ALL |
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113 | }; |
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114 | |
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115 | struct bad_loop |
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116 | #if EV_USE_STDEXCEPT |
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117 | : std::runtime_error |
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118 | #endif |
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119 | { |
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120 | #if EV_USE_STDEXCEPT |
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121 | bad_loop () |
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122 | : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?") |
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123 | { |
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124 | } |
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125 | #endif |
94 | }; |
126 | }; |
95 | |
127 | |
96 | #ifdef EV_AX |
128 | #ifdef EV_AX |
97 | # undef EV_AX |
129 | # undef EV_AX |
98 | #endif |
130 | #endif |
… | |
… | |
109 | # define EV_AX_ |
141 | # define EV_AX_ |
110 | #endif |
142 | #endif |
111 | |
143 | |
112 | struct loop_ref |
144 | struct loop_ref |
113 | { |
145 | { |
114 | |
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115 | loop_ref (EV_P) |
146 | loop_ref (EV_P) throw () |
116 | #if EV_MULTIPLICITY |
147 | #if EV_MULTIPLICITY |
117 | : EV_AX (EV_A) |
148 | : EV_AX (EV_A) |
118 | #endif |
149 | #endif |
119 | { |
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120 | } |
150 | { |
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151 | } |
121 | |
152 | |
122 | bool operator== (const loop_ref &other) const |
153 | bool operator == (const loop_ref &other) const throw () |
123 | { |
154 | { |
124 | #if EV_MULTIPLICITY |
155 | #if EV_MULTIPLICITY |
125 | return this->EV_AX == other.EV_AX; |
156 | return EV_AX == other.EV_AX; |
126 | #else |
157 | #else |
127 | return true; |
158 | return true; |
128 | #endif |
159 | #endif |
129 | } |
160 | } |
130 | |
161 | |
131 | bool operator!= (const loop_ref &other) const |
162 | bool operator != (const loop_ref &other) const throw () |
132 | { |
163 | { |
133 | #if EV_MULTIPLICITY |
164 | #if EV_MULTIPLICITY |
134 | return ! (*this == other); |
165 | return ! (*this == other); |
135 | #else |
166 | #else |
136 | return false; |
167 | return false; |
137 | #endif |
168 | #endif |
138 | } |
169 | } |
139 | |
170 | |
140 | #if EV_MULTIPLICITY |
171 | #if EV_MULTIPLICITY |
141 | bool operator== (struct ev_loop *other) const |
172 | bool operator == (const EV_P) const throw () |
142 | { |
173 | { |
143 | return this->EV_AX == other; |
174 | 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 | { |
175 | } |
148 | return ! (*this == other); |
176 | |
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177 | bool operator != (const EV_P) const throw () |
149 | } |
178 | { |
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); |
179 | return (*this == EV_A); |
159 | } |
180 | } |
160 | |
181 | |
161 | operator struct ev_loop * () const |
182 | operator struct ev_loop * () const throw () |
162 | { |
183 | { |
163 | return EV_AX; |
184 | return EV_AX; |
164 | } |
185 | } |
165 | |
186 | |
166 | operator const struct ev_loop * () const |
187 | operator const struct ev_loop * () const throw () |
167 | { |
188 | { |
168 | return EV_AX; |
189 | return EV_AX; |
169 | } |
190 | } |
170 | |
191 | |
171 | bool is_default () const |
192 | bool is_default () const throw () |
172 | { |
193 | { |
173 | return EV_AX == ev_default_loop (0); |
194 | return EV_AX == ev_default_loop (0); |
174 | } |
195 | } |
175 | #endif |
196 | #endif |
176 | |
197 | |
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198 | #if EV_COMPAT3 |
177 | void loop (int flags = 0) |
199 | void loop (int flags = 0) |
178 | { |
200 | { |
179 | ev_loop (EV_AX_ flags); |
201 | ev_run (EV_AX_ flags); |
180 | } |
202 | } |
181 | |
203 | |
182 | void unloop (how_t how = ONE) |
204 | void unloop (how_t how = ONE) throw () |
183 | { |
205 | { |
184 | ev_unloop (EV_AX_ how); |
206 | ev_break (EV_AX_ how); |
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207 | } |
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208 | #endif |
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209 | |
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210 | void run (int flags = 0) |
185 | } |
211 | { |
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212 | ev_run (EV_AX_ flags); |
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213 | } |
186 | |
214 | |
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215 | void break_loop (how_t how = ONE) throw () |
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216 | { |
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217 | ev_break (EV_AX_ how); |
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218 | } |
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219 | |
187 | void post_fork () |
220 | void post_fork () throw () |
188 | { |
221 | { |
189 | #if EV_MULTIPLICITY |
222 | #if EV_MULTIPLICITY |
190 | ev_loop_fork (EV_AX); |
223 | ev_loop_fork (EV_AX); |
191 | #else |
224 | #else |
192 | ev_default_fork (); |
225 | ev_default_fork (); |
193 | #endif |
226 | #endif |
194 | } |
227 | } |
195 | |
228 | |
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 |
229 | unsigned int backend () const throw () |
202 | { |
230 | { |
203 | return ev_backend (EV_AX); |
231 | return ev_backend (EV_AX); |
204 | } |
232 | } |
205 | |
233 | |
206 | tstamp now () const |
234 | tstamp now () const throw () |
207 | { |
235 | { |
208 | return ev_now (EV_AX); |
236 | return ev_now (EV_AX); |
209 | } |
237 | } |
210 | |
238 | |
211 | void ref () |
239 | void ref () throw () |
212 | { |
240 | { |
213 | ev_ref (EV_AX); |
241 | ev_ref (EV_AX); |
214 | } |
242 | } |
215 | |
243 | |
216 | void unref () |
244 | void unref () throw () |
217 | { |
245 | { |
218 | ev_unref (EV_AX); |
246 | ev_unref (EV_AX); |
219 | } |
247 | } |
220 | |
248 | |
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249 | #if EV_FEATURE_API |
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250 | unsigned int iteration () const throw () |
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251 | { |
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252 | return ev_iteration (EV_AX); |
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253 | } |
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254 | |
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255 | unsigned int depth () const throw () |
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256 | { |
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257 | return ev_depth (EV_AX); |
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258 | } |
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259 | |
221 | void set_io_collect_interval (tstamp interval) |
260 | void set_io_collect_interval (tstamp interval) throw () |
222 | { |
261 | { |
223 | ev_set_io_collect_interval (EV_AX_ interval); |
262 | ev_set_io_collect_interval (EV_AX_ interval); |
224 | } |
263 | } |
225 | |
264 | |
226 | void set_timeout_collect_interval (tstamp interval) |
265 | void set_timeout_collect_interval (tstamp interval) throw () |
227 | { |
266 | { |
228 | ev_set_timeout_collect_interval (EV_AX_ interval); |
267 | ev_set_timeout_collect_interval (EV_AX_ interval); |
229 | } |
268 | } |
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269 | #endif |
230 | |
270 | |
231 | // function callback |
271 | // function callback |
232 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void* arg = 0) |
272 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw () |
233 | { |
273 | { |
234 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
274 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
235 | } |
275 | } |
236 | |
276 | |
237 | // method callback |
277 | // method callback |
238 | template<class K, void (K::*method)(int)> |
278 | template<class K, void (K::*method)(int)> |
239 | void once (int fd, int events, tstamp timeout, K *object) |
279 | void once (int fd, int events, tstamp timeout, K *object) throw () |
240 | { |
280 | { |
241 | once (fd, events, timeout, method_thunk<K, method>, object); |
281 | once (fd, events, timeout, method_thunk<K, method>, object); |
242 | } |
282 | } |
243 | |
283 | |
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284 | // default method == operator () |
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285 | template<class K> |
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286 | void once (int fd, int events, tstamp timeout, K *object) throw () |
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287 | { |
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288 | once (fd, events, timeout, method_thunk<K, &K::operator ()>, object); |
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289 | } |
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290 | |
244 | template<class K, void (K::*method)(int)> |
291 | template<class K, void (K::*method)(int)> |
245 | static void method_thunk (int revents, void* arg) |
292 | 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 | } |
293 | { |
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294 | static_cast<K *>(arg)->*method |
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295 | (revents); |
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296 | } |
250 | |
297 | |
251 | // const method callback |
298 | // 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)()> |
299 | template<class K, void (K::*method)()> |
267 | void once (int fd, int events, tstamp timeout, K *object) |
300 | void once (int fd, int events, tstamp timeout, K *object) throw () |
268 | { |
301 | { |
269 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
302 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
270 | } |
303 | } |
271 | |
304 | |
272 | template<class K, void (K::*method)()> |
305 | template<class K, void (K::*method)()> |
273 | static void method_noargs_thunk (int revents, void* arg) |
306 | static void method_noargs_thunk (int revents, void *arg) |
274 | { |
307 | { |
275 | K *obj = static_cast<K *>(arg); |
308 | static_cast<K *>(arg)->*method |
276 | (obj->*method) (); |
309 | (); |
277 | } |
310 | } |
278 | |
311 | |
279 | // simpler function callback |
312 | // simpler function callback |
280 | template<void (*cb)(int)> |
313 | template<void (*cb)(int)> |
281 | void once (int fd, int events, tstamp timeout) |
314 | void once (int fd, int events, tstamp timeout) throw () |
282 | { |
315 | { |
283 | once (fd, events, timeout, simpler_func_thunk<cb>); |
316 | once (fd, events, timeout, simpler_func_thunk<cb>); |
284 | } |
317 | } |
285 | |
318 | |
286 | template<void (*cb)(int)> |
319 | template<void (*cb)(int)> |
287 | static void simpler_func_thunk (int revents, void* arg) |
320 | static void simpler_func_thunk (int revents, void *arg) |
288 | { |
321 | { |
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322 | (*cb) |
289 | (*cb) (revents); |
323 | (revents); |
290 | } |
324 | } |
291 | |
325 | |
292 | // simplest function callback |
326 | // simplest function callback |
293 | template<void (*cb)()> |
327 | template<void (*cb)()> |
294 | void once (int fd, int events, tstamp timeout) |
328 | void once (int fd, int events, tstamp timeout) throw () |
295 | { |
329 | { |
296 | once (fd, events, timeout, simplest_func_thunk<cb>); |
330 | once (fd, events, timeout, simplest_func_thunk<cb>); |
297 | } |
331 | } |
298 | |
332 | |
299 | template<void (*cb)()> |
333 | template<void (*cb)()> |
300 | static void simplest_func_thunk (int revents, void* arg) |
334 | static void simplest_func_thunk (int revents, void *arg) |
301 | { |
335 | { |
302 | (*cb) (); |
336 | (*cb) |
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337 | (); |
303 | } |
338 | } |
304 | |
339 | |
305 | void feed_fd_event (int fd, int revents) |
340 | void feed_fd_event (int fd, int revents) throw () |
306 | { |
341 | { |
307 | ev_feed_fd_event (EV_AX_ fd, revents); |
342 | ev_feed_fd_event (EV_AX_ fd, revents); |
308 | } |
343 | } |
309 | |
344 | |
310 | void feed_signal_event (int signum) |
345 | void feed_signal_event (int signum) throw () |
311 | { |
346 | { |
312 | ev_feed_signal_event (EV_AX_ signum); |
347 | ev_feed_signal_event (EV_AX_ signum); |
313 | } |
348 | } |
314 | |
349 | |
315 | #if EV_MULTIPLICITY |
350 | #if EV_MULTIPLICITY |
… | |
… | |
317 | #endif |
352 | #endif |
318 | |
353 | |
319 | }; |
354 | }; |
320 | |
355 | |
321 | #if EV_MULTIPLICITY |
356 | #if EV_MULTIPLICITY |
322 | struct dynamic_loop: loop_ref |
357 | struct dynamic_loop : loop_ref |
323 | { |
358 | { |
324 | |
359 | |
325 | dynamic_loop (unsigned int flags = AUTO) |
360 | dynamic_loop (unsigned int flags = AUTO) throw (bad_loop) |
326 | : loop_ref (ev_loop_new (flags)) |
361 | : loop_ref (ev_loop_new (flags)) |
327 | { |
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328 | } |
362 | { |
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363 | if (!EV_AX) |
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364 | throw bad_loop (); |
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365 | } |
329 | |
366 | |
330 | ~dynamic_loop () |
367 | ~dynamic_loop () throw () |
331 | { |
368 | { |
332 | ev_loop_destroy (EV_AX); |
369 | ev_loop_destroy (EV_AX); |
333 | EV_AX = 0; |
370 | EV_AX = 0; |
334 | } |
371 | } |
335 | |
372 | |
… | |
… | |
340 | dynamic_loop & operator= (const dynamic_loop &); |
377 | dynamic_loop & operator= (const dynamic_loop &); |
341 | |
378 | |
342 | }; |
379 | }; |
343 | #endif |
380 | #endif |
344 | |
381 | |
345 | struct default_loop: loop_ref |
382 | struct default_loop : loop_ref |
346 | { |
383 | { |
347 | |
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348 | default_loop (unsigned int flags = AUTO) |
384 | default_loop (unsigned int flags = AUTO) throw (bad_loop) |
349 | #if EV_MULTIPLICITY |
385 | #if EV_MULTIPLICITY |
350 | : loop_ref (ev_default_loop (flags)) |
386 | : loop_ref (ev_default_loop (flags)) |
351 | { |
387 | #endif |
352 | } |
388 | { |
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389 | if ( |
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390 | #if EV_MULTIPLICITY |
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391 | !EV_AX |
353 | #else |
392 | #else |
354 | { |
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355 | ev_default_loop (flags); |
393 | !ev_default_loop (flags) |
356 | } |
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357 | #endif |
394 | #endif |
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395 | ) |
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396 | throw bad_loop (); |
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397 | } |
358 | |
398 | |
359 | ~default_loop () |
399 | ~default_loop () throw () |
360 | { |
400 | { |
361 | ev_default_destroy (); |
401 | 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 | } |
402 | } |
366 | |
403 | |
367 | private: |
404 | private: |
368 | |
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369 | default_loop (const default_loop &); |
405 | default_loop (const default_loop &); |
370 | |
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371 | default_loop & operator= (const default_loop &); |
406 | default_loop &operator = (const default_loop &); |
372 | |
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373 | }; |
407 | }; |
374 | |
408 | |
375 | inline loop_ref get_default_loop () |
409 | inline loop_ref get_default_loop () throw () |
376 | { |
410 | { |
377 | #if EV_MULTIPLICITY |
411 | #if EV_MULTIPLICITY |
378 | return ev_default_loop (0); |
412 | return ev_default_loop (0); |
379 | #else |
413 | #else |
380 | return loop_ref (); |
414 | return loop_ref (); |
… | |
… | |
398 | struct base : ev_watcher |
432 | struct base : ev_watcher |
399 | { |
433 | { |
400 | #if EV_MULTIPLICITY |
434 | #if EV_MULTIPLICITY |
401 | EV_PX; |
435 | EV_PX; |
402 | |
436 | |
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437 | // loop set |
403 | void set (EV_PX) |
438 | void set (EV_P) throw () |
404 | { |
439 | { |
405 | this->EV_A = EV_A; |
440 | this->EV_A = EV_A; |
406 | } |
441 | } |
407 | #endif |
442 | #endif |
408 | |
443 | |
409 | base (EV_PX) |
444 | base (EV_PX) throw () |
410 | #if EV_MULTIPLICITY |
445 | #if EV_MULTIPLICITY |
411 | : EV_A (EV_A) |
446 | : EV_A (EV_A) |
412 | #endif |
447 | #endif |
413 | { |
448 | { |
414 | ev_init (this, 0); |
449 | ev_init (this, 0); |
415 | } |
450 | } |
416 | |
451 | |
417 | void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) |
452 | void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw () |
418 | { |
453 | { |
419 | this->data = data; |
454 | this->data = (void *)data; |
420 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
455 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
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456 | } |
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457 | |
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458 | // function callback |
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459 | template<void (*function)(watcher &w, int)> |
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460 | void set (void *data = 0) throw () |
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461 | { |
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462 | set_ (data, function_thunk<function>); |
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463 | } |
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464 | |
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465 | template<void (*function)(watcher &w, int)> |
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466 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
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467 | { |
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468 | function |
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469 | (*static_cast<watcher *>(w), revents); |
421 | } |
470 | } |
422 | |
471 | |
423 | // method callback |
472 | // method callback |
424 | template<class K, void (K::*method)(watcher &w, int)> |
473 | template<class K, void (K::*method)(watcher &w, int)> |
425 | void set (K *object) |
474 | void set (K *object) throw () |
426 | { |
475 | { |
427 | set_ (object, method_thunk<K, method>); |
476 | set_ (object, method_thunk<K, method>); |
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477 | } |
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478 | |
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479 | // default method == operator () |
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480 | template<class K> |
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481 | void set (K *object) throw () |
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482 | { |
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483 | set_ (object, method_thunk<K, &K::operator ()>); |
428 | } |
484 | } |
429 | |
485 | |
430 | template<class K, void (K::*method)(watcher &w, int)> |
486 | template<class K, void (K::*method)(watcher &w, int)> |
431 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
487 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
432 | { |
488 | { |
433 | K *obj = static_cast<K *>(w->data); |
489 | (static_cast<K *>(w->data)->*method) |
434 | (obj->*method) (*static_cast<watcher *>(w), revents); |
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435 | } |
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436 | |
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|
437 | // const method callback |
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438 | template<class K, void (K::*method)(watcher &w, int) const> |
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439 | void set (const K *object) |
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440 | { |
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441 | set_ (object, const_method_thunk<K, method>); |
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442 | } |
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443 | |
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444 | template<class K, void (K::*method)(watcher &w, int) const> |
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445 | static void const_method_thunk (EV_P_ ev_watcher *w, int revents) |
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446 | { |
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447 | K *obj = static_cast<K *>(w->data); |
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448 | (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents); |
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449 | } |
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450 | |
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451 | // function callback |
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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 | } |
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457 | |
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458 | template<void (*function)(watcher &w, int)> |
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459 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
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460 | { |
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461 | function (*static_cast<watcher *>(w), revents); |
490 | (*static_cast<watcher *>(w), revents); |
462 | } |
491 | } |
463 | |
492 | |
464 | // simple callback |
493 | // no-argument callback |
465 | template<class K, void (K::*method)()> |
494 | template<class K, void (K::*method)()> |
466 | void set (K *object) |
495 | void set (K *object) throw () |
467 | { |
496 | { |
468 | set_ (object, method_noargs_thunk<K, method>); |
497 | set_ (object, method_noargs_thunk<K, method>); |
469 | } |
498 | } |
470 | |
499 | |
471 | template<class K, void (K::*method)()> |
500 | template<class K, void (K::*method)()> |
472 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
501 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
473 | { |
502 | { |
474 | K *obj = static_cast<K *>(w->data); |
503 | (static_cast<K *>(w->data)->*method) |
475 | (obj->*method) (); |
504 | (); |
476 | } |
505 | } |
477 | |
506 | |
478 | void operator ()(int events = EV_UNDEF) |
507 | void operator ()(int events = EV_UNDEF) |
479 | { |
508 | { |
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|
509 | return |
480 | return ev_cb (static_cast<ev_watcher *>(this)) |
510 | ev_cb (static_cast<ev_watcher *>(this)) |
481 | (static_cast<ev_watcher *>(this), events); |
511 | (static_cast<ev_watcher *>(this), events); |
482 | } |
512 | } |
483 | |
513 | |
484 | bool is_active () const |
514 | bool is_active () const throw () |
485 | { |
515 | { |
486 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
516 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
487 | } |
517 | } |
488 | |
518 | |
489 | bool is_pending () const |
519 | bool is_pending () const throw () |
490 | { |
520 | { |
491 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
521 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
492 | } |
522 | } |
493 | |
523 | |
494 | void feed_event (int revents) |
524 | void feed_event (int revents) throw () |
495 | { |
525 | { |
496 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
526 | ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents); |
497 | } |
527 | } |
498 | }; |
528 | }; |
499 | |
529 | |
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530 | inline tstamp now () throw () |
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531 | { |
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532 | return ev_time (); |
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533 | } |
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534 | |
500 | inline void delay (tstamp interval) |
535 | inline void delay (tstamp interval) throw () |
501 | { |
536 | { |
502 | ev_sleep (interval); |
537 | ev_sleep (interval); |
503 | } |
538 | } |
504 | |
539 | |
505 | inline int version_major () |
540 | inline int version_major () throw () |
506 | { |
541 | { |
507 | return ev_version_major (); |
542 | return ev_version_major (); |
508 | } |
543 | } |
509 | |
544 | |
510 | inline int version_minor () |
545 | inline int version_minor () throw () |
511 | { |
546 | { |
512 | return ev_version_minor (); |
547 | return ev_version_minor (); |
513 | } |
548 | } |
514 | |
549 | |
515 | inline unsigned int supported_backends () |
550 | inline unsigned int supported_backends () throw () |
516 | { |
551 | { |
517 | return ev_supported_backends (); |
552 | return ev_supported_backends (); |
518 | } |
553 | } |
519 | |
554 | |
520 | inline unsigned int recommended_backends () |
555 | inline unsigned int recommended_backends () throw () |
521 | { |
556 | { |
522 | return ev_recommended_backends (); |
557 | return ev_recommended_backends (); |
523 | } |
558 | } |
524 | |
559 | |
525 | inline unsigned int embeddable_backends () |
560 | inline unsigned int embeddable_backends () throw () |
526 | { |
561 | { |
527 | return ev_embeddable_backends (); |
562 | return ev_embeddable_backends (); |
528 | } |
563 | } |
529 | |
564 | |
530 | inline void set_allocator (void *(*cb)(void *ptr, long size)) |
565 | inline void set_allocator (void *(*cb)(void *ptr, long size)) throw () |
531 | { |
566 | { |
532 | ev_set_allocator (cb); |
567 | ev_set_allocator (cb); |
533 | } |
568 | } |
534 | |
569 | |
535 | inline void set_syserr_cb (void (*cb)(const char *msg)) |
570 | inline void set_syserr_cb (void (*cb)(const char *msg)) throw () |
536 | { |
571 | { |
537 | ev_set_syserr_cb (cb); |
572 | ev_set_syserr_cb (cb); |
538 | } |
573 | } |
539 | |
574 | |
540 | #if EV_MULTIPLICITY |
575 | #if EV_MULTIPLICITY |
541 | #define EV_CONSTRUCT(cppstem,cstem) \ |
576 | #define EV_CONSTRUCT(cppstem,cstem) \ |
542 | (EV_PX = get_default_loop ()) \ |
577 | (EV_PX = get_default_loop ()) throw () \ |
543 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
578 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
544 | { \ |
579 | { \ |
545 | } |
580 | } |
546 | #else |
581 | #else |
547 | #define EV_CONSTRUCT(cppstem,cstem) \ |
582 | #define EV_CONSTRUCT(cppstem,cstem) \ |
548 | () \ |
583 | () throw () \ |
549 | { \ |
584 | { \ |
550 | } |
585 | } |
551 | #endif |
586 | #endif |
552 | |
587 | |
553 | /* using a template here would require quite a bit more lines, |
588 | /* using a template here would require quite a bit more lines, |
554 | * so a macro solution was chosen */ |
589 | * so a macro solution was chosen */ |
555 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
590 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
556 | \ |
591 | \ |
557 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
592 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
558 | { \ |
593 | { \ |
559 | void start () \ |
594 | void start () throw () \ |
560 | { \ |
595 | { \ |
561 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
596 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
562 | } \ |
597 | } \ |
563 | \ |
598 | \ |
564 | void stop () \ |
599 | void stop () throw () \ |
565 | { \ |
600 | { \ |
566 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
601 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
567 | } \ |
602 | } \ |
568 | \ |
603 | \ |
569 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
604 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
570 | \ |
605 | \ |
571 | ~cppstem () \ |
606 | ~cppstem () throw () \ |
572 | { \ |
607 | { \ |
573 | stop (); \ |
608 | stop (); \ |
574 | } \ |
609 | } \ |
575 | \ |
610 | \ |
576 | using base<ev_ ## cstem, cppstem>::set; \ |
611 | using base<ev_ ## cstem, cppstem>::set; \ |
577 | \ |
612 | \ |
578 | private: \ |
613 | private: \ |
579 | \ |
614 | \ |
580 | cppstem (const cppstem &o); \ |
615 | cppstem (const cppstem &o); \ |
581 | \ |
616 | \ |
582 | cppstem & operator =(const cppstem &o); \ |
617 | cppstem &operator =(const cppstem &o); \ |
583 | \ |
618 | \ |
584 | public: |
619 | public: |
585 | |
620 | |
586 | #define EV_END_WATCHER(cppstem,cstem) \ |
621 | #define EV_END_WATCHER(cppstem,cstem) \ |
587 | }; |
622 | }; |
588 | |
623 | |
589 | EV_BEGIN_WATCHER (io, io) |
624 | EV_BEGIN_WATCHER (io, io) |
590 | void set (int fd, int events) |
625 | void set (int fd, int events) throw () |
591 | { |
626 | { |
592 | int active = is_active (); |
627 | int active = is_active (); |
593 | if (active) stop (); |
628 | if (active) stop (); |
594 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
629 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
595 | if (active) start (); |
630 | if (active) start (); |
596 | } |
631 | } |
597 | |
632 | |
598 | void set (int events) |
633 | void set (int events) throw () |
599 | { |
634 | { |
600 | int active = is_active (); |
635 | int active = is_active (); |
601 | if (active) stop (); |
636 | if (active) stop (); |
602 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
637 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
603 | if (active) start (); |
638 | if (active) start (); |
604 | } |
639 | } |
605 | |
640 | |
606 | void start (int fd, int events) |
641 | void start (int fd, int events) throw () |
607 | { |
642 | { |
608 | set (fd, events); |
643 | set (fd, events); |
609 | start (); |
644 | start (); |
610 | } |
645 | } |
611 | EV_END_WATCHER (io, io) |
646 | EV_END_WATCHER (io, io) |
612 | |
647 | |
613 | EV_BEGIN_WATCHER (timer, timer) |
648 | EV_BEGIN_WATCHER (timer, timer) |
614 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
649 | void set (ev_tstamp after, ev_tstamp repeat = 0.) throw () |
615 | { |
650 | { |
616 | int active = is_active (); |
651 | int active = is_active (); |
617 | if (active) stop (); |
652 | if (active) stop (); |
618 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
653 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
619 | if (active) start (); |
654 | if (active) start (); |
620 | } |
655 | } |
621 | |
656 | |
622 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
657 | void start (ev_tstamp after, ev_tstamp repeat = 0.) throw () |
623 | { |
658 | { |
624 | set (after, repeat); |
659 | set (after, repeat); |
625 | start (); |
660 | start (); |
626 | } |
661 | } |
627 | |
662 | |
628 | void again () |
663 | void again () throw () |
629 | { |
664 | { |
630 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
665 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
|
|
666 | } |
|
|
667 | |
|
|
668 | ev_tstamp remaining () |
|
|
669 | { |
|
|
670 | return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this)); |
631 | } |
671 | } |
632 | EV_END_WATCHER (timer, timer) |
672 | EV_END_WATCHER (timer, timer) |
633 | |
673 | |
634 | #if EV_PERIODIC_ENABLE |
674 | #if EV_PERIODIC_ENABLE |
635 | EV_BEGIN_WATCHER (periodic, periodic) |
675 | EV_BEGIN_WATCHER (periodic, periodic) |
636 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
676 | void set (ev_tstamp at, ev_tstamp interval = 0.) throw () |
637 | { |
677 | { |
638 | int active = is_active (); |
678 | int active = is_active (); |
639 | if (active) stop (); |
679 | if (active) stop (); |
640 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
680 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
641 | if (active) start (); |
681 | if (active) start (); |
642 | } |
682 | } |
643 | |
683 | |
644 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
684 | void start (ev_tstamp at, ev_tstamp interval = 0.) throw () |
645 | { |
685 | { |
646 | set (at, interval); |
686 | set (at, interval); |
647 | start (); |
687 | start (); |
648 | } |
688 | } |
649 | |
689 | |
650 | void again () |
690 | void again () throw () |
651 | { |
691 | { |
652 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
692 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
653 | } |
693 | } |
654 | EV_END_WATCHER (periodic, periodic) |
694 | EV_END_WATCHER (periodic, periodic) |
655 | #endif |
695 | #endif |
656 | |
696 | |
|
|
697 | #if EV_SIGNAL_ENABLE |
657 | EV_BEGIN_WATCHER (sig, signal) |
698 | EV_BEGIN_WATCHER (sig, signal) |
658 | void set (int signum) |
699 | void set (int signum) throw () |
659 | { |
700 | { |
660 | int active = is_active (); |
701 | int active = is_active (); |
661 | if (active) stop (); |
702 | if (active) stop (); |
662 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
703 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
663 | if (active) start (); |
704 | if (active) start (); |
664 | } |
705 | } |
665 | |
706 | |
666 | void start (int signum) |
707 | void start (int signum) throw () |
667 | { |
708 | { |
668 | set (signum); |
709 | set (signum); |
669 | start (); |
710 | start (); |
670 | } |
711 | } |
671 | EV_END_WATCHER (sig, signal) |
712 | EV_END_WATCHER (sig, signal) |
|
|
713 | #endif |
672 | |
714 | |
|
|
715 | #if EV_CHILD_ENABLE |
673 | EV_BEGIN_WATCHER (child, child) |
716 | EV_BEGIN_WATCHER (child, child) |
674 | void set (int pid) |
717 | void set (int pid, int trace = 0) throw () |
675 | { |
718 | { |
676 | int active = is_active (); |
719 | int active = is_active (); |
677 | if (active) stop (); |
720 | if (active) stop (); |
678 | ev_child_set (static_cast<ev_child *>(this), pid); |
721 | ev_child_set (static_cast<ev_child *>(this), pid, trace); |
679 | if (active) start (); |
722 | if (active) start (); |
680 | } |
723 | } |
681 | |
724 | |
682 | void start (int pid) |
725 | void start (int pid, int trace = 0) throw () |
683 | { |
726 | { |
684 | set (pid); |
727 | set (pid, trace); |
685 | start (); |
728 | start (); |
686 | } |
729 | } |
687 | EV_END_WATCHER (child, child) |
730 | EV_END_WATCHER (child, child) |
|
|
731 | #endif |
688 | |
732 | |
689 | #if EV_STAT_ENABLE |
733 | #if EV_STAT_ENABLE |
690 | EV_BEGIN_WATCHER (stat, stat) |
734 | EV_BEGIN_WATCHER (stat, stat) |
691 | void set (const char *path, ev_tstamp interval = 0.) |
735 | void set (const char *path, ev_tstamp interval = 0.) throw () |
692 | { |
736 | { |
693 | int active = is_active (); |
737 | int active = is_active (); |
694 | if (active) stop (); |
738 | if (active) stop (); |
695 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
739 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
696 | if (active) start (); |
740 | if (active) start (); |
697 | } |
741 | } |
698 | |
742 | |
699 | void start (const char *path, ev_tstamp interval = 0.) |
743 | void start (const char *path, ev_tstamp interval = 0.) throw () |
700 | { |
744 | { |
701 | stop (); |
745 | stop (); |
702 | set (path, interval); |
746 | set (path, interval); |
703 | start (); |
747 | start (); |
704 | } |
748 | } |
705 | |
749 | |
706 | void update () |
750 | void update () throw () |
707 | { |
751 | { |
708 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
752 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
709 | } |
753 | } |
710 | EV_END_WATCHER (stat, stat) |
754 | EV_END_WATCHER (stat, stat) |
711 | #endif |
755 | #endif |
712 | |
756 | |
|
|
757 | #if EV_IDLE_ENABLE |
713 | EV_BEGIN_WATCHER (idle, idle) |
758 | EV_BEGIN_WATCHER (idle, idle) |
714 | void set () { } |
759 | void set () throw () { } |
715 | EV_END_WATCHER (idle, idle) |
760 | EV_END_WATCHER (idle, idle) |
|
|
761 | #endif |
716 | |
762 | |
|
|
763 | #if EV_PREPARE_ENABLE |
717 | EV_BEGIN_WATCHER (prepare, prepare) |
764 | EV_BEGIN_WATCHER (prepare, prepare) |
718 | void set () { } |
765 | void set () throw () { } |
719 | EV_END_WATCHER (prepare, prepare) |
766 | EV_END_WATCHER (prepare, prepare) |
|
|
767 | #endif |
720 | |
768 | |
|
|
769 | #if EV_CHECK_ENABLE |
721 | EV_BEGIN_WATCHER (check, check) |
770 | EV_BEGIN_WATCHER (check, check) |
722 | void set () { } |
771 | void set () throw () { } |
723 | EV_END_WATCHER (check, check) |
772 | EV_END_WATCHER (check, check) |
|
|
773 | #endif |
724 | |
774 | |
725 | #if EV_EMBED_ENABLE |
775 | #if EV_EMBED_ENABLE |
726 | EV_BEGIN_WATCHER (embed, embed) |
776 | EV_BEGIN_WATCHER (embed, embed) |
727 | void start (struct ev_loop *embedded_loop) |
777 | void set (struct ev_loop *embedded_loop) throw () |
728 | { |
778 | { |
729 | stop (); |
779 | int active = is_active (); |
|
|
780 | if (active) stop (); |
730 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
781 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
|
|
782 | if (active) start (); |
|
|
783 | } |
|
|
784 | |
|
|
785 | void start (struct ev_loop *embedded_loop) throw () |
|
|
786 | { |
|
|
787 | set (embedded_loop); |
731 | start (); |
788 | start (); |
732 | } |
789 | } |
733 | |
790 | |
734 | void sweep () |
791 | void sweep () |
735 | { |
792 | { |
… | |
… | |
738 | EV_END_WATCHER (embed, embed) |
795 | EV_END_WATCHER (embed, embed) |
739 | #endif |
796 | #endif |
740 | |
797 | |
741 | #if EV_FORK_ENABLE |
798 | #if EV_FORK_ENABLE |
742 | EV_BEGIN_WATCHER (fork, fork) |
799 | EV_BEGIN_WATCHER (fork, fork) |
743 | void set () { } |
800 | void set () throw () { } |
744 | EV_END_WATCHER (fork, fork) |
801 | EV_END_WATCHER (fork, fork) |
|
|
802 | #endif |
|
|
803 | |
|
|
804 | #if EV_ASYNC_ENABLE |
|
|
805 | EV_BEGIN_WATCHER (async, async) |
|
|
806 | void send () throw () |
|
|
807 | { |
|
|
808 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
|
|
809 | } |
|
|
810 | |
|
|
811 | bool async_pending () throw () |
|
|
812 | { |
|
|
813 | return ev_async_pending (static_cast<ev_async *>(this)); |
|
|
814 | } |
|
|
815 | EV_END_WATCHER (async, async) |
745 | #endif |
816 | #endif |
746 | |
817 | |
747 | #undef EV_PX |
818 | #undef EV_PX |
748 | #undef EV_PX_ |
819 | #undef EV_PX_ |
749 | #undef EV_CONSTRUCT |
820 | #undef EV_CONSTRUCT |
750 | #undef EV_BEGIN_WATCHER |
821 | #undef EV_BEGIN_WATCHER |
751 | #undef EV_END_WATCHER |
822 | #undef EV_END_WATCHER |
752 | |
|
|
753 | } |
823 | } |
754 | |
824 | |
755 | #endif |
825 | #endif |
756 | |
826 | |