1 | /* |
1 | /* |
|
|
2 | * libev native API header |
|
|
3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
6 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
7 | * met: |
|
|
8 | * |
9 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
11 | * |
12 | * |
12 | * * Redistributions in binary form must reproduce the above |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * copyright notice, this list of conditions and the following |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * disclaimer in the documentation and/or other materials provided |
15 | * documentation and/or other materials provided with the distribution. |
15 | * with the distribution. |
|
|
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
|
22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
27 | * |
|
|
28 | * Alternatively, the contents of this file may be used under the terms of |
|
|
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
30 | * in which case the provisions of the GPL are applicable instead of |
|
|
31 | * the above. If you wish to allow the use of your version of this file |
|
|
32 | * only under the terms of the GPL and not to allow others to use your |
|
|
33 | * version of this file under the BSD license, indicate your decision |
|
|
34 | * by deleting the provisions above and replace them with the notice |
|
|
35 | * and other provisions required by the GPL. If you do not delete the |
|
|
36 | * provisions above, a recipient may use your version of this file under |
|
|
37 | * either the BSD or the GPL. |
28 | */ |
38 | */ |
29 | |
39 | |
30 | #ifndef EV_H |
40 | #ifndef EV_H_ |
31 | #define EV_H |
41 | #define EV_H_ |
|
|
42 | |
|
|
43 | #ifdef __cplusplus |
|
|
44 | # define EV_CPP(x) x |
|
|
45 | # if __cplusplus >= 201103L |
|
|
46 | # define EV_THROW noexcept |
|
|
47 | # else |
|
|
48 | # define EV_THROW throw () |
|
|
49 | # endif |
|
|
50 | #else |
|
|
51 | # define EV_CPP(x) |
|
|
52 | # define EV_THROW |
|
|
53 | #endif |
|
|
54 | |
|
|
55 | EV_CPP(extern "C" {) |
|
|
56 | |
|
|
57 | /*****************************************************************************/ |
|
|
58 | |
|
|
59 | /* pre-4.0 compatibility */ |
|
|
60 | #ifndef EV_COMPAT3 |
|
|
61 | # define EV_COMPAT3 1 |
|
|
62 | #endif |
|
|
63 | |
|
|
64 | #ifndef EV_FEATURES |
|
|
65 | # if defined __OPTIMIZE_SIZE__ |
|
|
66 | # define EV_FEATURES 0x7c |
|
|
67 | # else |
|
|
68 | # define EV_FEATURES 0x7f |
|
|
69 | # endif |
|
|
70 | #endif |
|
|
71 | |
|
|
72 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
|
|
73 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
|
|
74 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
|
|
75 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
|
|
76 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
|
|
77 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
|
|
78 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
|
|
79 | |
|
|
80 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
|
|
81 | #ifndef EV_MINPRI |
|
|
82 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
|
|
83 | #endif |
|
|
84 | #ifndef EV_MAXPRI |
|
|
85 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
|
|
86 | #endif |
|
|
87 | |
|
|
88 | #ifndef EV_MULTIPLICITY |
|
|
89 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
|
|
90 | #endif |
|
|
91 | |
|
|
92 | #ifndef EV_PERIODIC_ENABLE |
|
|
93 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
|
|
94 | #endif |
|
|
95 | |
|
|
96 | #ifndef EV_STAT_ENABLE |
|
|
97 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
|
|
98 | #endif |
|
|
99 | |
|
|
100 | #ifndef EV_PREPARE_ENABLE |
|
|
101 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
|
|
102 | #endif |
|
|
103 | |
|
|
104 | #ifndef EV_CHECK_ENABLE |
|
|
105 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
|
|
106 | #endif |
|
|
107 | |
|
|
108 | #ifndef EV_IDLE_ENABLE |
|
|
109 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
|
|
110 | #endif |
|
|
111 | |
|
|
112 | #ifndef EV_FORK_ENABLE |
|
|
113 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
|
|
114 | #endif |
|
|
115 | |
|
|
116 | #ifndef EV_CLEANUP_ENABLE |
|
|
117 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
|
|
118 | #endif |
|
|
119 | |
|
|
120 | #ifndef EV_SIGNAL_ENABLE |
|
|
121 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
|
|
122 | #endif |
|
|
123 | |
|
|
124 | #ifndef EV_CHILD_ENABLE |
|
|
125 | # ifdef _WIN32 |
|
|
126 | # define EV_CHILD_ENABLE 0 |
|
|
127 | # else |
|
|
128 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
|
|
129 | #endif |
|
|
130 | #endif |
|
|
131 | |
|
|
132 | #ifndef EV_ASYNC_ENABLE |
|
|
133 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
|
|
134 | #endif |
|
|
135 | |
|
|
136 | #ifndef EV_EMBED_ENABLE |
|
|
137 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
|
|
138 | #endif |
|
|
139 | |
|
|
140 | #ifndef EV_WALK_ENABLE |
|
|
141 | # define EV_WALK_ENABLE 0 /* not yet */ |
|
|
142 | #endif |
|
|
143 | |
|
|
144 | /*****************************************************************************/ |
|
|
145 | |
|
|
146 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
|
|
147 | # undef EV_SIGNAL_ENABLE |
|
|
148 | # define EV_SIGNAL_ENABLE 1 |
|
|
149 | #endif |
|
|
150 | |
|
|
151 | /*****************************************************************************/ |
32 | |
152 | |
33 | typedef double ev_tstamp; |
153 | typedef double ev_tstamp; |
34 | |
154 | |
35 | /* eventmask, revents, events... */ |
155 | #include <string.h> /* for memmove */ |
36 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
|
|
37 | #define EV_NONE 0x00 |
|
|
38 | #define EV_READ 0x01 |
|
|
39 | #define EV_WRITE 0x02 |
|
|
40 | #define EV_TIMEOUT 0x000100 |
|
|
41 | #define EV_PERIODIC 0x000200 |
|
|
42 | #define EV_SIGNAL 0x000400 |
|
|
43 | #define EV_IDLE 0x000800 |
|
|
44 | #define EV_CHECK 0x001000 |
|
|
45 | #define EV_PREPARE 0x002000 |
|
|
46 | #define EV_CHILD 0x004000 |
|
|
47 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
|
|
48 | |
156 | |
49 | /* can be used to add custom fields to all watchers */ |
157 | #ifndef EV_ATOMIC_T |
50 | #ifndef EV_COMMON |
158 | # include <signal.h> |
51 | # define EV_COMMON void *data |
159 | # define EV_ATOMIC_T sig_atomic_t volatile |
|
|
160 | #endif |
|
|
161 | |
|
|
162 | #if EV_STAT_ENABLE |
|
|
163 | # ifdef _WIN32 |
|
|
164 | # include <time.h> |
|
|
165 | # include <sys/types.h> |
52 | #endif |
166 | # endif |
|
|
167 | # include <sys/stat.h> |
|
|
168 | #endif |
|
|
169 | |
|
|
170 | /* support multiple event loops? */ |
|
|
171 | #if EV_MULTIPLICITY |
|
|
172 | struct ev_loop; |
|
|
173 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
|
|
174 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
|
|
175 | # define EV_A loop /* a loop as sole argument to a function call */ |
|
|
176 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
|
|
177 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
|
|
178 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
|
|
179 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
|
|
180 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
|
|
181 | #else |
|
|
182 | # define EV_P void |
|
|
183 | # define EV_P_ |
|
|
184 | # define EV_A |
|
|
185 | # define EV_A_ |
|
|
186 | # define EV_DEFAULT |
|
|
187 | # define EV_DEFAULT_ |
|
|
188 | # define EV_DEFAULT_UC |
|
|
189 | # define EV_DEFAULT_UC_ |
|
|
190 | # undef EV_EMBED_ENABLE |
|
|
191 | #endif |
|
|
192 | |
|
|
193 | /* EV_INLINE is used for functions in header files */ |
|
|
194 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
|
|
195 | # define EV_INLINE static inline |
|
|
196 | #else |
|
|
197 | # define EV_INLINE static |
|
|
198 | #endif |
|
|
199 | |
|
|
200 | #ifdef EV_API_STATIC |
|
|
201 | # define EV_API_DECL static |
|
|
202 | #else |
|
|
203 | # define EV_API_DECL extern |
|
|
204 | #endif |
|
|
205 | |
|
|
206 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
53 | #ifndef EV_PROTOTYPES |
207 | #ifndef EV_PROTOTYPES |
54 | # define EV_PROTOTYPES 1 |
208 | # define EV_PROTOTYPES 1 |
55 | #endif |
209 | #endif |
56 | |
210 | |
|
|
211 | /*****************************************************************************/ |
|
|
212 | |
57 | #define EV_VERSION_MAJOR 1 |
213 | #define EV_VERSION_MAJOR 4 |
58 | #define EV_VERSION_MINOR 1 |
214 | #define EV_VERSION_MINOR 22 |
|
|
215 | |
|
|
216 | /* eventmask, revents, events... */ |
|
|
217 | enum { |
|
|
218 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
|
|
219 | EV_NONE = 0x00, /* no events */ |
|
|
220 | EV_READ = 0x01, /* ev_io detected read will not block */ |
|
|
221 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
|
|
222 | EV__IOFDSET = 0x80, /* internal use only */ |
|
|
223 | EV_IO = EV_READ, /* alias for type-detection */ |
|
|
224 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
|
225 | #if EV_COMPAT3 |
|
|
226 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
|
227 | #endif |
|
|
228 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
|
|
229 | EV_SIGNAL = 0x00000400, /* signal was received */ |
|
|
230 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
|
|
231 | EV_STAT = 0x00001000, /* stat data changed */ |
|
|
232 | EV_IDLE = 0x00002000, /* event loop is idling */ |
|
|
233 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
|
|
234 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
|
|
235 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
|
|
236 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
|
|
237 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
|
|
238 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
|
|
239 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
|
|
240 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
|
|
241 | }; |
|
|
242 | |
|
|
243 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
|
|
244 | #ifndef EV_COMMON |
|
|
245 | # define EV_COMMON void *data; |
|
|
246 | #endif |
|
|
247 | |
|
|
248 | #ifndef EV_CB_DECLARE |
|
|
249 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
|
|
250 | #endif |
|
|
251 | #ifndef EV_CB_INVOKE |
|
|
252 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
|
|
253 | #endif |
|
|
254 | |
|
|
255 | /* not official, do not use */ |
|
|
256 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
59 | |
257 | |
60 | /* |
258 | /* |
61 | * struct member types: |
259 | * struct member types: |
62 | * private: you can look at them, but not change them, and they might not mean anything to you. |
260 | * private: you may look at them, but not change them, |
|
|
261 | * and they might not mean anything to you. |
63 | * ro: can be read anytime, but only changed when the watcher isn't active |
262 | * ro: can be read anytime, but only changed when the watcher isn't active. |
64 | * rw: can be read and modified anytime, even when the watcher is active |
263 | * rw: can be read and modified anytime, even when the watcher is active. |
|
|
264 | * |
|
|
265 | * some internal details that might be helpful for debugging: |
|
|
266 | * |
|
|
267 | * active is either 0, which means the watcher is not active, |
|
|
268 | * or the array index of the watcher (periodics, timers) |
|
|
269 | * or the array index + 1 (most other watchers) |
|
|
270 | * or simply 1 for watchers that aren't in some array. |
|
|
271 | * pending is either 0, in which case the watcher isn't, |
|
|
272 | * or the array index + 1 in the pendings array. |
65 | */ |
273 | */ |
|
|
274 | |
|
|
275 | #if EV_MINPRI == EV_MAXPRI |
|
|
276 | # define EV_DECL_PRIORITY |
|
|
277 | #elif !defined (EV_DECL_PRIORITY) |
|
|
278 | # define EV_DECL_PRIORITY int priority; |
|
|
279 | #endif |
66 | |
280 | |
67 | /* shared by all watchers */ |
281 | /* shared by all watchers */ |
68 | #define EV_WATCHER(type) \ |
282 | #define EV_WATCHER(type) \ |
69 | int active; /* private */ \ |
283 | int active; /* private */ \ |
70 | int pending; /* private */ \ |
284 | int pending; /* private */ \ |
|
|
285 | EV_DECL_PRIORITY /* private */ \ |
71 | EV_COMMON; /* rw */ \ |
286 | EV_COMMON /* rw */ \ |
72 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
287 | EV_CB_DECLARE (type) /* private */ |
73 | |
288 | |
74 | #define EV_WATCHER_LIST(type) \ |
289 | #define EV_WATCHER_LIST(type) \ |
75 | EV_WATCHER (type); \ |
290 | EV_WATCHER (type) \ |
76 | struct type *next /* private */ |
291 | struct ev_watcher_list *next; /* private */ |
77 | |
292 | |
78 | #define EV_WATCHER_TIME(type) \ |
293 | #define EV_WATCHER_TIME(type) \ |
79 | EV_WATCHER (type); \ |
294 | EV_WATCHER (type) \ |
80 | ev_tstamp at /* private */ |
295 | ev_tstamp at; /* private */ |
81 | |
296 | |
82 | /* base class, nothing to see here unless you subclass */ |
297 | /* base class, nothing to see here unless you subclass */ |
83 | struct ev_watcher { |
298 | typedef struct ev_watcher |
|
|
299 | { |
84 | EV_WATCHER (ev_watcher); |
300 | EV_WATCHER (ev_watcher) |
85 | }; |
301 | } ev_watcher; |
86 | |
302 | |
87 | /* base class, nothing to see here unless you subclass */ |
303 | /* base class, nothing to see here unless you subclass */ |
88 | struct ev_watcher_list { |
304 | typedef struct ev_watcher_list |
|
|
305 | { |
89 | EV_WATCHER_LIST (ev_watcher_list); |
306 | EV_WATCHER_LIST (ev_watcher_list) |
90 | }; |
307 | } ev_watcher_list; |
91 | |
308 | |
92 | /* base class, nothing to see here unless you subclass */ |
309 | /* base class, nothing to see here unless you subclass */ |
93 | struct ev_watcher_time { |
310 | typedef struct ev_watcher_time |
|
|
311 | { |
94 | EV_WATCHER_TIME (ev_watcher_time); |
312 | EV_WATCHER_TIME (ev_watcher_time) |
95 | }; |
313 | } ev_watcher_time; |
|
|
314 | |
|
|
315 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
|
|
316 | /* revent EV_READ, EV_WRITE */ |
|
|
317 | typedef struct ev_io |
|
|
318 | { |
|
|
319 | EV_WATCHER_LIST (ev_io) |
|
|
320 | |
|
|
321 | int fd; /* ro */ |
|
|
322 | int events; /* ro */ |
|
|
323 | } ev_io; |
96 | |
324 | |
97 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
325 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
98 | /* revent EV_TIMEOUT */ |
326 | /* revent EV_TIMEOUT */ |
99 | struct ev_timer |
327 | typedef struct ev_timer |
100 | { |
328 | { |
101 | EV_WATCHER_TIME (ev_timer); |
329 | EV_WATCHER_TIME (ev_timer) |
102 | |
330 | |
103 | ev_tstamp repeat; /* rw */ |
331 | ev_tstamp repeat; /* rw */ |
104 | }; |
332 | } ev_timer; |
105 | |
333 | |
106 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
334 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
107 | /* revent EV_PERIODIC */ |
335 | /* revent EV_PERIODIC */ |
108 | struct ev_periodic |
336 | typedef struct ev_periodic |
109 | { |
337 | { |
110 | EV_WATCHER_TIME (ev_periodic); |
338 | EV_WATCHER_TIME (ev_periodic) |
111 | |
339 | |
|
|
340 | ev_tstamp offset; /* rw */ |
112 | ev_tstamp interval; /* rw */ |
341 | ev_tstamp interval; /* rw */ |
113 | }; |
342 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
114 | |
343 | } ev_periodic; |
115 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
|
|
116 | /* revent EV_READ, EV_WRITE */ |
|
|
117 | struct ev_io |
|
|
118 | { |
|
|
119 | EV_WATCHER_LIST (ev_io); |
|
|
120 | |
|
|
121 | int fd; /* ro */ |
|
|
122 | int events; /* ro */ |
|
|
123 | }; |
|
|
124 | |
344 | |
125 | /* invoked when the given signal has been received */ |
345 | /* invoked when the given signal has been received */ |
126 | /* revent EV_SIGNAL */ |
346 | /* revent EV_SIGNAL */ |
127 | struct ev_signal |
347 | typedef struct ev_signal |
128 | { |
348 | { |
129 | EV_WATCHER_LIST (ev_signal); |
349 | EV_WATCHER_LIST (ev_signal) |
130 | |
350 | |
131 | int signum; /* ro */ |
351 | int signum; /* ro */ |
132 | }; |
352 | } ev_signal; |
133 | |
353 | |
|
|
354 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
|
|
355 | /* revent EV_CHILD */ |
|
|
356 | /* does not support priorities */ |
|
|
357 | typedef struct ev_child |
|
|
358 | { |
|
|
359 | EV_WATCHER_LIST (ev_child) |
|
|
360 | |
|
|
361 | int flags; /* private */ |
|
|
362 | int pid; /* ro */ |
|
|
363 | int rpid; /* rw, holds the received pid */ |
|
|
364 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
|
|
365 | } ev_child; |
|
|
366 | |
|
|
367 | #if EV_STAT_ENABLE |
|
|
368 | /* st_nlink = 0 means missing file or other error */ |
|
|
369 | # ifdef _WIN32 |
|
|
370 | typedef struct _stati64 ev_statdata; |
|
|
371 | # else |
|
|
372 | typedef struct stat ev_statdata; |
|
|
373 | # endif |
|
|
374 | |
|
|
375 | /* invoked each time the stat data changes for a given path */ |
|
|
376 | /* revent EV_STAT */ |
|
|
377 | typedef struct ev_stat |
|
|
378 | { |
|
|
379 | EV_WATCHER_LIST (ev_stat) |
|
|
380 | |
|
|
381 | ev_timer timer; /* private */ |
|
|
382 | ev_tstamp interval; /* ro */ |
|
|
383 | const char *path; /* ro */ |
|
|
384 | ev_statdata prev; /* ro */ |
|
|
385 | ev_statdata attr; /* ro */ |
|
|
386 | |
|
|
387 | int wd; /* wd for inotify, fd for kqueue */ |
|
|
388 | } ev_stat; |
|
|
389 | #endif |
|
|
390 | |
|
|
391 | #if EV_IDLE_ENABLE |
134 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
392 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
135 | /* revent EV_IDLE */ |
393 | /* revent EV_IDLE */ |
136 | struct ev_idle |
394 | typedef struct ev_idle |
137 | { |
395 | { |
138 | EV_WATCHER (ev_idle); |
396 | EV_WATCHER (ev_idle) |
139 | }; |
397 | } ev_idle; |
|
|
398 | #endif |
140 | |
399 | |
141 | /* invoked for each run of the mainloop, just before the blocking call */ |
400 | /* invoked for each run of the mainloop, just before the blocking call */ |
142 | /* you can still change events in any way you like */ |
401 | /* you can still change events in any way you like */ |
143 | /* revent EV_PREPARE */ |
402 | /* revent EV_PREPARE */ |
144 | struct ev_prepare |
403 | typedef struct ev_prepare |
145 | { |
404 | { |
146 | EV_WATCHER (ev_prepare); |
405 | EV_WATCHER (ev_prepare) |
147 | }; |
406 | } ev_prepare; |
148 | |
407 | |
149 | /* invoked for each run of the mainloop, just after the blocking call */ |
408 | /* invoked for each run of the mainloop, just after the blocking call */ |
150 | /* revent EV_CHECK */ |
409 | /* revent EV_CHECK */ |
151 | struct ev_check |
410 | typedef struct ev_check |
152 | { |
411 | { |
153 | EV_WATCHER (ev_check); |
412 | EV_WATCHER (ev_check) |
|
|
413 | } ev_check; |
|
|
414 | |
|
|
415 | #if EV_FORK_ENABLE |
|
|
416 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
417 | /* revent EV_FORK */ |
|
|
418 | typedef struct ev_fork |
|
|
419 | { |
|
|
420 | EV_WATCHER (ev_fork) |
|
|
421 | } ev_fork; |
|
|
422 | #endif |
|
|
423 | |
|
|
424 | #if EV_CLEANUP_ENABLE |
|
|
425 | /* is invoked just before the loop gets destroyed */ |
|
|
426 | /* revent EV_CLEANUP */ |
|
|
427 | typedef struct ev_cleanup |
|
|
428 | { |
|
|
429 | EV_WATCHER (ev_cleanup) |
|
|
430 | } ev_cleanup; |
|
|
431 | #endif |
|
|
432 | |
|
|
433 | #if EV_EMBED_ENABLE |
|
|
434 | /* used to embed an event loop inside another */ |
|
|
435 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
|
|
436 | typedef struct ev_embed |
|
|
437 | { |
|
|
438 | EV_WATCHER (ev_embed) |
|
|
439 | |
|
|
440 | struct ev_loop *other; /* ro */ |
|
|
441 | ev_io io; /* private */ |
|
|
442 | ev_prepare prepare; /* private */ |
|
|
443 | ev_check check; /* unused */ |
|
|
444 | ev_timer timer; /* unused */ |
|
|
445 | ev_periodic periodic; /* unused */ |
|
|
446 | ev_idle idle; /* unused */ |
|
|
447 | ev_fork fork; /* private */ |
|
|
448 | #if EV_CLEANUP_ENABLE |
|
|
449 | ev_cleanup cleanup; /* unused */ |
|
|
450 | #endif |
|
|
451 | } ev_embed; |
|
|
452 | #endif |
|
|
453 | |
|
|
454 | #if EV_ASYNC_ENABLE |
|
|
455 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
456 | /* revent EV_ASYNC */ |
|
|
457 | typedef struct ev_async |
|
|
458 | { |
|
|
459 | EV_WATCHER (ev_async) |
|
|
460 | |
|
|
461 | EV_ATOMIC_T sent; /* private */ |
|
|
462 | } ev_async; |
|
|
463 | |
|
|
464 | # define ev_async_pending(w) (+(w)->sent) |
|
|
465 | #endif |
|
|
466 | |
|
|
467 | /* the presence of this union forces similar struct layout */ |
|
|
468 | union ev_any_watcher |
|
|
469 | { |
|
|
470 | struct ev_watcher w; |
|
|
471 | struct ev_watcher_list wl; |
|
|
472 | |
|
|
473 | struct ev_io io; |
|
|
474 | struct ev_timer timer; |
|
|
475 | struct ev_periodic periodic; |
|
|
476 | struct ev_signal signal; |
|
|
477 | struct ev_child child; |
|
|
478 | #if EV_STAT_ENABLE |
|
|
479 | struct ev_stat stat; |
|
|
480 | #endif |
|
|
481 | #if EV_IDLE_ENABLE |
|
|
482 | struct ev_idle idle; |
|
|
483 | #endif |
|
|
484 | struct ev_prepare prepare; |
|
|
485 | struct ev_check check; |
|
|
486 | #if EV_FORK_ENABLE |
|
|
487 | struct ev_fork fork; |
|
|
488 | #endif |
|
|
489 | #if EV_CLEANUP_ENABLE |
|
|
490 | struct ev_cleanup cleanup; |
|
|
491 | #endif |
|
|
492 | #if EV_EMBED_ENABLE |
|
|
493 | struct ev_embed embed; |
|
|
494 | #endif |
|
|
495 | #if EV_ASYNC_ENABLE |
|
|
496 | struct ev_async async; |
|
|
497 | #endif |
154 | }; |
498 | }; |
155 | |
499 | |
156 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
500 | /* flag bits for ev_default_loop and ev_loop_new */ |
157 | /* revent EV_CHILD */ |
501 | enum { |
158 | struct ev_child |
502 | /* the default */ |
159 | { |
503 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
160 | EV_WATCHER_LIST (ev_child); |
504 | /* flag bits */ |
161 | |
505 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
162 | int pid; /* ro */ |
506 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
163 | int status; /* rw, holds the exit status, use the macros from sys/wait.h */ |
507 | /* debugging/feature disable */ |
|
|
508 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
509 | #if EV_COMPAT3 |
|
|
510 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
511 | #endif |
|
|
512 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
513 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
164 | }; |
514 | }; |
165 | |
515 | |
166 | #define EVMETHOD_NONE 0 |
516 | /* method bits to be ored together */ |
167 | #define EVMETHOD_SELECT 1 |
517 | enum { |
168 | #define EVMETHOD_EPOLL 2 |
518 | EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ |
|
|
519 | EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ |
|
|
520 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
|
|
521 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ |
|
|
522 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
|
|
523 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
524 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
525 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
526 | }; |
|
|
527 | |
169 | #if EV_PROTOTYPES |
528 | #if EV_PROTOTYPES |
170 | extern int ev_method; |
529 | EV_API_DECL int ev_version_major (void) EV_THROW; |
171 | int ev_init (int flags); /* returns ev_method */ |
530 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
172 | int ev_version_major (void); |
|
|
173 | int ev_version_minor (void); |
|
|
174 | |
531 | |
175 | /* these three calls are suitable for plugging into pthread_atfork */ |
532 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
176 | void ev_prefork (void); |
533 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
177 | void ev_postfork_parent (void); |
534 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
178 | void ev_postfork_child (void); |
|
|
179 | |
535 | |
|
|
536 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
|
|
537 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
|
|
538 | |
|
|
539 | /* Sets the allocation function to use, works like realloc. |
|
|
540 | * It is used to allocate and free memory. |
|
|
541 | * If it returns zero when memory needs to be allocated, the library might abort |
|
|
542 | * or take some potentially destructive action. |
|
|
543 | * The default is your system realloc function. |
|
|
544 | */ |
|
|
545 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
|
|
546 | |
|
|
547 | /* set the callback function to call on a |
|
|
548 | * retryable syscall error |
|
|
549 | * (such as failed select, poll, epoll_wait) |
|
|
550 | */ |
|
|
551 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
|
|
552 | |
|
|
553 | #if EV_MULTIPLICITY |
|
|
554 | |
|
|
555 | /* the default loop is the only one that handles signals and child watchers */ |
|
|
556 | /* you can call this as often as you like */ |
|
|
557 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
|
|
558 | |
|
|
559 | #ifdef EV_API_STATIC |
|
|
560 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
561 | #endif |
|
|
562 | |
|
|
563 | EV_INLINE struct ev_loop * |
|
|
564 | ev_default_loop_uc_ (void) EV_THROW |
|
|
565 | { |
|
|
566 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
567 | |
|
|
568 | return ev_default_loop_ptr; |
|
|
569 | } |
|
|
570 | |
|
|
571 | EV_INLINE int |
|
|
572 | ev_is_default_loop (EV_P) EV_THROW |
|
|
573 | { |
|
|
574 | return EV_A == EV_DEFAULT_UC; |
|
|
575 | } |
|
|
576 | |
|
|
577 | /* create and destroy alternative loops that don't handle signals */ |
|
|
578 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
|
|
579 | |
180 | extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
580 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
181 | ev_tstamp ev_time (void); |
|
|
182 | #endif |
|
|
183 | |
581 | |
184 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
582 | #else |
185 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
583 | |
|
|
584 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
|
|
585 | |
|
|
586 | EV_API_DECL ev_tstamp ev_rt_now; |
|
|
587 | |
|
|
588 | EV_INLINE ev_tstamp |
|
|
589 | ev_now (void) EV_THROW |
|
|
590 | { |
|
|
591 | return ev_rt_now; |
|
|
592 | } |
|
|
593 | |
|
|
594 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
595 | EV_INLINE int |
|
|
596 | ev_is_default_loop (void) EV_THROW |
|
|
597 | { |
|
|
598 | return 1; |
|
|
599 | } |
|
|
600 | |
|
|
601 | #endif /* multiplicity */ |
|
|
602 | |
|
|
603 | /* destroy event loops, also works for the default loop */ |
|
|
604 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
605 | |
|
|
606 | /* this needs to be called after fork, to duplicate the loop */ |
|
|
607 | /* when you want to re-use it in the child */ |
|
|
608 | /* you can call it in either the parent or the child */ |
|
|
609 | /* you can actually call it at any time, anywhere :) */ |
|
|
610 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
|
|
611 | |
|
|
612 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
|
|
613 | |
|
|
614 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
|
|
615 | |
|
|
616 | #if EV_WALK_ENABLE |
|
|
617 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
618 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
619 | /* but do nothing else with the loop */ |
|
|
620 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
|
|
621 | #endif |
|
|
622 | |
|
|
623 | #endif /* prototypes */ |
|
|
624 | |
|
|
625 | /* ev_run flags values */ |
|
|
626 | enum { |
|
|
627 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
628 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
629 | }; |
|
|
630 | |
|
|
631 | /* ev_break how values */ |
|
|
632 | enum { |
|
|
633 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
634 | EVBREAK_ONE = 1, /* unloop once */ |
|
|
635 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
636 | }; |
|
|
637 | |
186 | #if EV_PROTOTYPES |
638 | #if EV_PROTOTYPES |
187 | void ev_loop (int flags); |
639 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
188 | extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
640 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
189 | |
641 | |
|
|
642 | /* |
|
|
643 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
|
|
644 | * keeps one reference. if you have a long-running watcher you never unregister that |
|
|
645 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
|
|
646 | */ |
|
|
647 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
|
|
648 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
|
|
649 | |
|
|
650 | /* |
190 | /* convinience function, wait for a single event, without registering an event watcher */ |
651 | * convenience function, wait for a single event, without registering an event watcher |
191 | /* if timeout is < 0, do wait indefinitely */ |
652 | * if timeout is < 0, do wait indefinitely |
|
|
653 | */ |
192 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
654 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW; |
|
|
655 | |
|
|
656 | # if EV_FEATURE_API |
|
|
657 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
|
|
658 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
|
|
659 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
|
|
660 | |
|
|
661 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
662 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
663 | |
|
|
664 | /* advanced stuff for threading etc. support, see docs */ |
|
|
665 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
|
|
666 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
|
|
667 | typedef void (*ev_loop_callback)(EV_P); |
|
|
668 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
|
|
669 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
|
|
670 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW; |
|
|
671 | |
|
|
672 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
|
|
673 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
674 | |
|
|
675 | /* |
|
|
676 | * stop/start the timer handling. |
|
|
677 | */ |
|
|
678 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
|
|
679 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
|
|
680 | #endif |
|
|
681 | |
193 | #endif |
682 | #endif |
194 | |
683 | |
195 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
684 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
196 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
685 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
197 | #define ev_watcher_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) |
686 | #define ev_init(ev,cb_) do { \ |
|
|
687 | ((ev_watcher *)(void *)(ev))->active = \ |
|
|
688 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
|
|
689 | ev_set_priority ((ev), 0); \ |
|
|
690 | ev_set_cb ((ev), cb_); \ |
|
|
691 | } while (0) |
198 | |
692 | |
199 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
693 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
200 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
694 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
201 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
695 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
202 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
696 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
|
|
697 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
698 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
203 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
699 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
204 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
700 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
205 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
701 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
206 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
702 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
703 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
704 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
705 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
207 | |
706 | |
208 | #define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
707 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
209 | #define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
708 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
210 | #define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) |
709 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
211 | #define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
710 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
|
|
711 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
|
|
712 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
212 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
713 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
213 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
714 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
214 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
715 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
|
|
716 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
|
|
717 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
215 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
718 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
|
|
719 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
216 | |
720 | |
|
|
721 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
217 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
722 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
|
|
723 | |
|
|
724 | #define ev_cb_(ev) (ev)->cb /* rw */ |
|
|
725 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
|
|
726 | |
|
|
727 | #if EV_MINPRI == EV_MAXPRI |
|
|
728 | # define ev_priority(ev) ((ev), EV_MINPRI) |
|
|
729 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
|
|
730 | #else |
|
|
731 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
|
|
732 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
|
|
733 | #endif |
|
|
734 | |
|
|
735 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
|
|
736 | |
|
|
737 | #ifndef ev_set_cb |
|
|
738 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
|
|
739 | #endif |
218 | |
740 | |
219 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
741 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
220 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
742 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
221 | #if EV_PROTOTYPES |
743 | #if EV_PROTOTYPES |
222 | void ev_io_start (struct ev_io *w); |
|
|
223 | void ev_io_stop (struct ev_io *w); |
|
|
224 | |
744 | |
225 | void ev_timer_start (struct ev_timer *w); |
745 | /* feeds an event into a watcher as if the event actually occurred */ |
226 | void ev_timer_stop (struct ev_timer *w); |
746 | /* accepts any ev_watcher type */ |
|
|
747 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
|
|
748 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
|
|
749 | #if EV_SIGNAL_ENABLE |
|
|
750 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
|
|
751 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
|
|
752 | #endif |
|
|
753 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
|
|
754 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
|
|
755 | |
|
|
756 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
|
|
757 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
|
|
758 | |
|
|
759 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
|
|
760 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
227 | void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
761 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
|
|
762 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
|
|
763 | /* return remaining time */ |
|
|
764 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
228 | |
765 | |
229 | void ev_periodic_start (struct ev_periodic *w); |
766 | #if EV_PERIODIC_ENABLE |
230 | void ev_periodic_stop (struct ev_periodic *w); |
767 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
|
|
768 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
|
|
769 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
|
|
770 | #endif |
231 | |
771 | |
232 | void ev_signal_start (struct ev_signal *w); |
772 | /* only supported in the default loop */ |
233 | void ev_signal_stop (struct ev_signal *w); |
773 | #if EV_SIGNAL_ENABLE |
|
|
774 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
|
|
775 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
|
|
776 | #endif |
234 | |
777 | |
235 | void ev_idle_start (struct ev_idle *w); |
778 | /* only supported in the default loop */ |
236 | void ev_idle_stop (struct ev_idle *w); |
779 | # if EV_CHILD_ENABLE |
237 | |
780 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
238 | void ev_prepare_start (struct ev_prepare *w); |
781 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
239 | void ev_prepare_stop (struct ev_prepare *w); |
|
|
240 | |
|
|
241 | void ev_check_start (struct ev_check *w); |
|
|
242 | void ev_check_stop (struct ev_check *w); |
|
|
243 | |
|
|
244 | void ev_child_start (struct ev_child *w); |
|
|
245 | void ev_child_stop (struct ev_child *w); |
|
|
246 | #endif |
782 | # endif |
247 | |
783 | |
|
|
784 | # if EV_STAT_ENABLE |
|
|
785 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
|
|
786 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
|
|
787 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
248 | #endif |
788 | # endif |
249 | |
789 | |
|
|
790 | # if EV_IDLE_ENABLE |
|
|
791 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
|
|
792 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
|
|
793 | # endif |
|
|
794 | |
|
|
795 | #if EV_PREPARE_ENABLE |
|
|
796 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
|
|
797 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
|
|
798 | #endif |
|
|
799 | |
|
|
800 | #if EV_CHECK_ENABLE |
|
|
801 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
|
|
802 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
|
|
803 | #endif |
|
|
804 | |
|
|
805 | # if EV_FORK_ENABLE |
|
|
806 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
|
|
807 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
|
|
808 | # endif |
|
|
809 | |
|
|
810 | # if EV_CLEANUP_ENABLE |
|
|
811 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
|
|
812 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
|
|
813 | # endif |
|
|
814 | |
|
|
815 | # if EV_EMBED_ENABLE |
|
|
816 | /* only supported when loop to be embedded is in fact embeddable */ |
|
|
817 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
|
|
818 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
|
|
819 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
|
|
820 | # endif |
|
|
821 | |
|
|
822 | # if EV_ASYNC_ENABLE |
|
|
823 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
|
|
824 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
|
|
825 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
|
|
826 | # endif |
|
|
827 | |
|
|
828 | #if EV_COMPAT3 |
|
|
829 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
|
|
830 | #define EVLOOP_ONESHOT EVRUN_ONCE |
|
|
831 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
|
|
832 | #define EVUNLOOP_ONE EVBREAK_ONE |
|
|
833 | #define EVUNLOOP_ALL EVBREAK_ALL |
|
|
834 | #if EV_PROTOTYPES |
|
|
835 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
|
|
836 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
|
|
837 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
|
|
838 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
|
|
839 | #if EV_FEATURE_API |
|
|
840 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
|
|
841 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
|
|
842 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
|
|
843 | #endif |
|
|
844 | #endif |
|
|
845 | #else |
|
|
846 | typedef struct ev_loop ev_loop; |
|
|
847 | #endif |
|
|
848 | |
|
|
849 | #endif |
|
|
850 | |
|
|
851 | EV_CPP(}) |
|
|
852 | |
|
|
853 | #endif |
|
|
854 | |