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 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: |
9 | * |
|
|
10 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
11 | * this list of conditions and the following disclaimer. |
|
|
12 | * |
|
|
13 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
14 | * notice, this list of conditions and the following disclaimer in the |
|
|
15 | * documentation and/or other materials provided with the distribution. |
|
|
16 | * |
|
|
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
8 | * |
27 | * |
9 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
10 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
11 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
12 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
13 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
14 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
15 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
16 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
|
20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
|
21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
|
22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
|
23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
|
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
|
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
|
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
|
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
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 | extern "C" { |
|
|
45 | #endif |
|
|
46 | |
|
|
47 | /*****************************************************************************/ |
|
|
48 | |
|
|
49 | /* pre-4.0 compatibility */ |
|
|
50 | #ifndef EV_COMPAT3 |
|
|
51 | # define EV_COMPAT3 1 |
|
|
52 | #endif |
|
|
53 | |
|
|
54 | #ifndef EV_FEATURES |
|
|
55 | # define EV_FEATURES 0x7f |
|
|
56 | #endif |
|
|
57 | |
|
|
58 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
|
|
59 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
|
|
60 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
|
|
61 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
|
|
62 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
|
|
63 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
|
|
64 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
|
|
65 | |
|
|
66 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
|
|
67 | #ifndef EV_MINPRI |
|
|
68 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
|
|
69 | #endif |
|
|
70 | #ifndef EV_MAXPRI |
|
|
71 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
|
|
72 | #endif |
|
|
73 | |
|
|
74 | #ifndef EV_MULTIPLICITY |
|
|
75 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
|
|
76 | #endif |
|
|
77 | |
|
|
78 | #ifndef EV_PERIODIC_ENABLE |
|
|
79 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
|
|
80 | #endif |
|
|
81 | |
|
|
82 | #ifndef EV_STAT_ENABLE |
|
|
83 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
|
|
84 | #endif |
|
|
85 | |
|
|
86 | #ifndef EV_PREPARE_ENABLE |
|
|
87 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
|
|
88 | #endif |
|
|
89 | |
|
|
90 | #ifndef EV_CHECK_ENABLE |
|
|
91 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
|
|
92 | #endif |
|
|
93 | |
|
|
94 | #ifndef EV_IDLE_ENABLE |
|
|
95 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
|
|
96 | #endif |
|
|
97 | |
|
|
98 | #ifndef EV_FORK_ENABLE |
|
|
99 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
|
|
100 | #endif |
|
|
101 | |
|
|
102 | #ifndef EV_SIGNAL_ENABLE |
|
|
103 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
|
|
104 | #endif |
|
|
105 | |
|
|
106 | #ifndef EV_CHILD_ENABLE |
|
|
107 | # ifdef _WIN32 |
|
|
108 | # define EV_CHILD_ENABLE 0 |
|
|
109 | # else |
|
|
110 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
|
|
111 | #endif |
|
|
112 | #endif |
|
|
113 | |
|
|
114 | #ifndef EV_ASYNC_ENABLE |
|
|
115 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
|
|
116 | #endif |
|
|
117 | |
|
|
118 | #ifndef EV_EMBED_ENABLE |
|
|
119 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
|
|
120 | #endif |
|
|
121 | |
|
|
122 | #ifndef EV_WALK_ENABLE |
|
|
123 | # define EV_WALK_ENABLE 0 /* not yet */ |
|
|
124 | #endif |
|
|
125 | |
|
|
126 | /*****************************************************************************/ |
|
|
127 | |
|
|
128 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
|
|
129 | # undef EV_SIGNAL_ENABLE |
|
|
130 | # define EV_SIGNAL_ENABLE 1 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | /*****************************************************************************/ |
32 | |
134 | |
33 | typedef double ev_tstamp; |
135 | typedef double ev_tstamp; |
34 | |
136 | |
35 | /* eventmask, revents, events... */ |
137 | #ifndef EV_ATOMIC_T |
36 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
138 | # include <signal.h> |
37 | #define EV_NONE 0x00 |
139 | # define EV_ATOMIC_T sig_atomic_t volatile |
38 | #define EV_READ 0x01 |
140 | #endif |
39 | #define EV_WRITE 0x02 |
|
|
40 | #define EV_TIMEOUT 0x04 |
|
|
41 | #define EV_SIGNAL 0x08 |
|
|
42 | #define EV_IDLE 0x10 |
|
|
43 | #define EV_CHECK 0x20 |
|
|
44 | #define EV_PREPARE 0x40 |
|
|
45 | #define EV_CHILD 0x80 |
|
|
46 | #define EV_ERROR (0xff|0x8000) |
|
|
47 | |
141 | |
48 | /* can be used to add custom fields to all watchers */ |
142 | #if EV_STAT_ENABLE |
49 | #ifndef EV_COMMON |
143 | # ifdef _WIN32 |
50 | # define EV_COMMON void *data |
144 | # include <time.h> |
|
|
145 | # include <sys/types.h> |
51 | #endif |
146 | # endif |
|
|
147 | # include <sys/stat.h> |
|
|
148 | #endif |
|
|
149 | |
|
|
150 | #ifdef __cplusplus |
|
|
151 | # define EV_DEFARG(x) = x |
|
|
152 | #else |
|
|
153 | # define EV_DEFARG(x) |
|
|
154 | #endif |
|
|
155 | |
|
|
156 | /* support multiple event loops? */ |
|
|
157 | #if EV_MULTIPLICITY |
|
|
158 | struct ev_loop; |
|
|
159 | # define EV_P struct ev_loop *loop |
|
|
160 | # define EV_P_ EV_P, |
|
|
161 | # define EV_A loop |
|
|
162 | # define EV_A_ EV_A, |
|
|
163 | # define EV_DEFAULT_UC ev_default_loop_uc () |
|
|
164 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
|
|
165 | # define EV_DEFAULT ev_default_loop (0) |
|
|
166 | # define EV_DEFAULT_ EV_DEFAULT, |
|
|
167 | #else |
|
|
168 | # define EV_P void |
|
|
169 | # define EV_P_ |
|
|
170 | # define EV_A |
|
|
171 | # define EV_A_ |
|
|
172 | # define EV_DEFAULT |
|
|
173 | # define EV_DEFAULT_ |
|
|
174 | # define EV_DEFAULT_UC |
|
|
175 | # define EV_DEFAULT_UC_ |
|
|
176 | # undef EV_EMBED_ENABLE |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
|
|
180 | # define EV_INLINE static inline |
|
|
181 | #else |
|
|
182 | # define EV_INLINE static |
|
|
183 | #endif |
|
|
184 | |
52 | #ifndef EV_PROTOTYPES |
185 | #ifndef EV_PROTOTYPES |
53 | # define EV_PROTOTYPES 1 |
186 | # define EV_PROTOTYPES 1 |
54 | #endif |
187 | #endif |
55 | |
188 | |
|
|
189 | /*****************************************************************************/ |
|
|
190 | |
|
|
191 | #define EV_VERSION_MAJOR 4 |
|
|
192 | #define EV_VERSION_MINOR 0 |
|
|
193 | |
|
|
194 | /* eventmask, revents, events... */ |
|
|
195 | enum { |
|
|
196 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
|
|
197 | EV_NONE = 0x00, /* no events */ |
|
|
198 | EV_READ = 0x01, /* ev_io detected read will not block */ |
|
|
199 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
|
|
200 | EV__IOFDSET = 0x80, /* internal use only */ |
|
|
201 | EV_IO = EV_READ, /* alias for type-detection */ |
|
|
202 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
|
203 | #if EV_COMPAT3 |
|
|
204 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
|
205 | #endif |
|
|
206 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
|
|
207 | EV_SIGNAL = 0x00000400, /* signal was received */ |
|
|
208 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
|
|
209 | EV_STAT = 0x00001000, /* stat data changed */ |
|
|
210 | EV_IDLE = 0x00002000, /* event loop is idling */ |
|
|
211 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
|
|
212 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
|
|
213 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
|
|
214 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
|
|
215 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
|
|
216 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
|
|
217 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
|
|
218 | }; |
|
|
219 | |
|
|
220 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
|
|
221 | #ifndef EV_COMMON |
|
|
222 | # define EV_COMMON void *data; |
|
|
223 | #endif |
|
|
224 | |
|
|
225 | #ifndef EV_CB_DECLARE |
|
|
226 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
|
|
227 | #endif |
|
|
228 | #ifndef EV_CB_INVOKE |
|
|
229 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
|
|
230 | #endif |
|
|
231 | |
|
|
232 | /* not official, do not use */ |
|
|
233 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
|
|
234 | |
56 | /* |
235 | /* |
57 | * struct member types: |
236 | * struct member types: |
58 | * private: you can look at them, but not change them, and they might not mean anything to you. |
237 | * private: you may look at them, but not change them, |
|
|
238 | * and they might not mean anything to you. |
59 | * ro: can be read anytime, but only changed when the watcher isn't active |
239 | * ro: can be read anytime, but only changed when the watcher isn't active. |
60 | * rw: can be read and modified anytime, even when the watcher is active |
240 | * rw: can be read and modified anytime, even when the watcher is active. |
|
|
241 | * |
|
|
242 | * some internal details that might be helpful for debugging: |
|
|
243 | * |
|
|
244 | * active is either 0, which means the watcher is not active, |
|
|
245 | * or the array index of the watcher (periodics, timers) |
|
|
246 | * or the array index + 1 (most other watchers) |
|
|
247 | * or simply 1 for watchers that aren't in some array. |
|
|
248 | * pending is either 0, in which case the watcher isn't, |
|
|
249 | * or the array index + 1 in the pendings array. |
61 | */ |
250 | */ |
|
|
251 | |
|
|
252 | #if EV_MINPRI == EV_MAXPRI |
|
|
253 | # define EV_DECL_PRIORITY |
|
|
254 | #elif !defined (EV_DECL_PRIORITY) |
|
|
255 | # define EV_DECL_PRIORITY int priority; |
|
|
256 | #endif |
62 | |
257 | |
63 | /* shared by all watchers */ |
258 | /* shared by all watchers */ |
64 | #define EV_WATCHER(type) \ |
259 | #define EV_WATCHER(type) \ |
65 | int active; /* private */ \ |
260 | int active; /* private */ \ |
66 | int pending; /* private */ \ |
261 | int pending; /* private */ \ |
|
|
262 | EV_DECL_PRIORITY /* private */ \ |
67 | EV_COMMON; /* rw */ \ |
263 | EV_COMMON /* rw */ \ |
68 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
264 | EV_CB_DECLARE (type) /* private */ |
69 | |
265 | |
70 | #define EV_WATCHER_LIST(type) \ |
266 | #define EV_WATCHER_LIST(type) \ |
71 | EV_WATCHER (type); \ |
267 | EV_WATCHER (type) \ |
72 | struct type *next /* private */ |
268 | struct ev_watcher_list *next; /* private */ |
73 | |
269 | |
74 | #define EV_WATCHER_TIME(type) \ |
270 | #define EV_WATCHER_TIME(type) \ |
75 | EV_WATCHER (type); \ |
271 | EV_WATCHER (type) \ |
76 | ev_tstamp at /* private */ |
272 | ev_tstamp at; /* private */ |
77 | |
273 | |
78 | /* base class, nothing to see here unless you subclass */ |
274 | /* base class, nothing to see here unless you subclass */ |
79 | struct ev_watcher { |
275 | typedef struct ev_watcher |
|
|
276 | { |
80 | EV_WATCHER (ev_watcher); |
277 | EV_WATCHER (ev_watcher) |
81 | }; |
278 | } ev_watcher; |
82 | |
279 | |
83 | /* base class, nothing to see here unless you subclass */ |
280 | /* base class, nothing to see here unless you subclass */ |
84 | struct ev_watcher_list { |
281 | typedef struct ev_watcher_list |
|
|
282 | { |
85 | EV_WATCHER_LIST (ev_watcher_list); |
283 | EV_WATCHER_LIST (ev_watcher_list) |
86 | }; |
284 | } ev_watcher_list; |
87 | |
285 | |
88 | /* base class, nothing to see here unless you subclass */ |
286 | /* base class, nothing to see here unless you subclass */ |
89 | struct ev_watcher_time { |
287 | typedef struct ev_watcher_time |
|
|
288 | { |
90 | EV_WATCHER_TIME (ev_watcher_time); |
289 | EV_WATCHER_TIME (ev_watcher_time) |
91 | }; |
290 | } ev_watcher_time; |
92 | |
|
|
93 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
|
|
94 | struct ev_timer |
|
|
95 | { |
|
|
96 | EV_WATCHER_TIME (ev_timer); |
|
|
97 | |
|
|
98 | ev_tstamp repeat; /* rw */ |
|
|
99 | }; |
|
|
100 | |
|
|
101 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
|
|
102 | struct ev_periodic |
|
|
103 | { |
|
|
104 | EV_WATCHER_TIME (ev_periodic); |
|
|
105 | |
|
|
106 | ev_tstamp interval; /* rw */ |
|
|
107 | }; |
|
|
108 | |
291 | |
109 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
292 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
|
|
293 | /* revent EV_READ, EV_WRITE */ |
110 | struct ev_io |
294 | typedef struct ev_io |
111 | { |
295 | { |
112 | EV_WATCHER_LIST (ev_io); |
296 | EV_WATCHER_LIST (ev_io) |
113 | |
297 | |
114 | int fd; /* ro */ |
298 | int fd; /* ro */ |
115 | int events; /* ro */ |
299 | int events; /* ro */ |
116 | }; |
300 | } ev_io; |
|
|
301 | |
|
|
302 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
|
|
303 | /* revent EV_TIMEOUT */ |
|
|
304 | typedef struct ev_timer |
|
|
305 | { |
|
|
306 | EV_WATCHER_TIME (ev_timer) |
|
|
307 | |
|
|
308 | ev_tstamp repeat; /* rw */ |
|
|
309 | } ev_timer; |
|
|
310 | |
|
|
311 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
|
|
312 | /* revent EV_PERIODIC */ |
|
|
313 | typedef struct ev_periodic |
|
|
314 | { |
|
|
315 | EV_WATCHER_TIME (ev_periodic) |
|
|
316 | |
|
|
317 | ev_tstamp offset; /* rw */ |
|
|
318 | ev_tstamp interval; /* rw */ |
|
|
319 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
|
|
320 | } ev_periodic; |
117 | |
321 | |
118 | /* invoked when the given signal has been received */ |
322 | /* invoked when the given signal has been received */ |
|
|
323 | /* revent EV_SIGNAL */ |
119 | struct ev_signal |
324 | typedef struct ev_signal |
120 | { |
325 | { |
121 | EV_WATCHER_LIST (ev_signal); |
326 | EV_WATCHER_LIST (ev_signal) |
122 | |
327 | |
123 | int signum; /* ro */ |
328 | int signum; /* ro */ |
124 | }; |
329 | } ev_signal; |
125 | |
330 | |
|
|
331 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
|
|
332 | /* revent EV_CHILD */ |
|
|
333 | /* does not support priorities */ |
|
|
334 | typedef struct ev_child |
|
|
335 | { |
|
|
336 | EV_WATCHER_LIST (ev_child) |
|
|
337 | |
|
|
338 | int flags; /* private */ |
|
|
339 | int pid; /* ro */ |
|
|
340 | int rpid; /* rw, holds the received pid */ |
|
|
341 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
|
|
342 | } ev_child; |
|
|
343 | |
|
|
344 | #if EV_STAT_ENABLE |
|
|
345 | /* st_nlink = 0 means missing file or other error */ |
|
|
346 | # ifdef _WIN32 |
|
|
347 | typedef struct _stati64 ev_statdata; |
|
|
348 | # else |
|
|
349 | typedef struct stat ev_statdata; |
|
|
350 | # endif |
|
|
351 | |
|
|
352 | /* invoked each time the stat data changes for a given path */ |
|
|
353 | /* revent EV_STAT */ |
|
|
354 | typedef struct ev_stat |
|
|
355 | { |
|
|
356 | EV_WATCHER_LIST (ev_stat) |
|
|
357 | |
|
|
358 | ev_timer timer; /* private */ |
|
|
359 | ev_tstamp interval; /* ro */ |
|
|
360 | const char *path; /* ro */ |
|
|
361 | ev_statdata prev; /* ro */ |
|
|
362 | ev_statdata attr; /* ro */ |
|
|
363 | |
|
|
364 | int wd; /* wd for inotify, fd for kqueue */ |
|
|
365 | } ev_stat; |
|
|
366 | #endif |
|
|
367 | |
|
|
368 | #if EV_IDLE_ENABLE |
126 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
369 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
|
|
370 | /* revent EV_IDLE */ |
127 | struct ev_idle |
371 | typedef struct ev_idle |
128 | { |
372 | { |
129 | EV_WATCHER (ev_idle); |
373 | EV_WATCHER (ev_idle) |
130 | }; |
374 | } ev_idle; |
|
|
375 | #endif |
131 | |
376 | |
132 | /* invoked for each run of the mainloop, just before the blocking call */ |
377 | /* invoked for each run of the mainloop, just before the blocking call */ |
133 | /* you can still change events in any way you like */ |
378 | /* you can still change events in any way you like */ |
|
|
379 | /* revent EV_PREPARE */ |
134 | struct ev_prepare |
380 | typedef struct ev_prepare |
135 | { |
381 | { |
136 | EV_WATCHER (ev_prepare); |
382 | EV_WATCHER (ev_prepare) |
|
|
383 | } ev_prepare; |
|
|
384 | |
|
|
385 | /* invoked for each run of the mainloop, just after the blocking call */ |
|
|
386 | /* revent EV_CHECK */ |
|
|
387 | typedef struct ev_check |
|
|
388 | { |
|
|
389 | EV_WATCHER (ev_check) |
|
|
390 | } ev_check; |
|
|
391 | |
|
|
392 | #if EV_FORK_ENABLE |
|
|
393 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
394 | typedef struct ev_fork |
|
|
395 | { |
|
|
396 | EV_WATCHER (ev_fork) |
|
|
397 | } ev_fork; |
|
|
398 | #endif |
|
|
399 | |
|
|
400 | #if EV_EMBED_ENABLE |
|
|
401 | /* used to embed an event loop inside another */ |
|
|
402 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
|
|
403 | typedef struct ev_embed |
|
|
404 | { |
|
|
405 | EV_WATCHER (ev_embed) |
|
|
406 | |
|
|
407 | struct ev_loop *other; /* ro */ |
|
|
408 | ev_io io; /* private */ |
|
|
409 | ev_prepare prepare; /* private */ |
|
|
410 | ev_check check; /* unused */ |
|
|
411 | ev_timer timer; /* unused */ |
|
|
412 | ev_periodic periodic; /* unused */ |
|
|
413 | ev_idle idle; /* unused */ |
|
|
414 | ev_fork fork; /* private */ |
|
|
415 | } ev_embed; |
|
|
416 | #endif |
|
|
417 | |
|
|
418 | #if EV_ASYNC_ENABLE |
|
|
419 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
420 | /* revent EV_ASYNC */ |
|
|
421 | typedef struct ev_async |
|
|
422 | { |
|
|
423 | EV_WATCHER (ev_async) |
|
|
424 | |
|
|
425 | EV_ATOMIC_T sent; /* private */ |
|
|
426 | } ev_async; |
|
|
427 | |
|
|
428 | # define ev_async_pending(w) (+(w)->sent) |
|
|
429 | #endif |
|
|
430 | |
|
|
431 | /* the presence of this union forces similar struct layout */ |
|
|
432 | union ev_any_watcher |
|
|
433 | { |
|
|
434 | struct ev_watcher w; |
|
|
435 | struct ev_watcher_list wl; |
|
|
436 | |
|
|
437 | struct ev_io io; |
|
|
438 | struct ev_timer timer; |
|
|
439 | struct ev_periodic periodic; |
|
|
440 | struct ev_signal signal; |
|
|
441 | struct ev_child child; |
|
|
442 | #if EV_STAT_ENABLE |
|
|
443 | struct ev_stat stat; |
|
|
444 | #endif |
|
|
445 | #if EV_IDLE_ENABLE |
|
|
446 | struct ev_idle idle; |
|
|
447 | #endif |
|
|
448 | struct ev_prepare prepare; |
|
|
449 | struct ev_check check; |
|
|
450 | #if EV_FORK_ENABLE |
|
|
451 | struct ev_fork fork; |
|
|
452 | #endif |
|
|
453 | #if EV_EMBED_ENABLE |
|
|
454 | struct ev_embed embed; |
|
|
455 | #endif |
|
|
456 | #if EV_ASYNC_ENABLE |
|
|
457 | struct ev_async async; |
|
|
458 | #endif |
137 | }; |
459 | }; |
138 | |
460 | |
139 | /* invoked for each run of the mainloop, just after the blocking call */ |
461 | /* flag bits for ev_default_loop and ev_loop_new */ |
140 | struct ev_check |
462 | enum { |
141 | { |
463 | /* the default */ |
142 | EV_WATCHER (ev_check); |
464 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
|
|
465 | /* flag bits */ |
|
|
466 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
|
|
467 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
468 | /* debugging/feature disable */ |
|
|
469 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
470 | #if EV_COMPAT3 |
|
|
471 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
472 | #endif |
|
|
473 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
143 | }; |
474 | }; |
144 | |
475 | |
145 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
476 | /* method bits to be ored together */ |
146 | struct ev_child |
477 | enum { |
147 | { |
478 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
148 | EV_WATCHER_LIST (ev_child); |
479 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
149 | |
480 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
150 | int pid; /* ro */ |
481 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
151 | int status; /* holds the exit status, use the macros from sys/wait.h */ |
482 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
|
|
483 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
484 | EVBACKEND_ALL = 0x0000003FU |
152 | }; |
485 | }; |
153 | |
486 | |
154 | #define EVMETHOD_NONE 0 |
|
|
155 | #define EVMETHOD_SELECT 1 |
|
|
156 | #define EVMETHOD_EPOLL 2 |
|
|
157 | #if EV_PROTOTYPES |
487 | #if EV_PROTOTYPES |
158 | extern int ev_method; |
488 | int ev_version_major (void); |
159 | int ev_init (int flags); /* returns ev_method */ |
489 | int ev_version_minor (void); |
160 | |
490 | |
161 | /* these three calls are suitable for plugging into pthread_atfork */ |
491 | unsigned int ev_supported_backends (void); |
162 | void ev_prefork (void); |
492 | unsigned int ev_recommended_backends (void); |
163 | void ev_postfork_parent (void); |
493 | unsigned int ev_embeddable_backends (void); |
164 | void ev_postfork_child (void); |
|
|
165 | |
494 | |
166 | extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
167 | ev_tstamp ev_time (void); |
495 | ev_tstamp ev_time (void); |
168 | #endif |
496 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
169 | |
497 | |
170 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
498 | /* Sets the allocation function to use, works like realloc. |
171 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
499 | * It is used to allocate and free memory. |
|
|
500 | * If it returns zero when memory needs to be allocated, the library might abort |
|
|
501 | * or take some potentially destructive action. |
|
|
502 | * The default is your system realloc function. |
|
|
503 | */ |
|
|
504 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
|
|
505 | |
|
|
506 | /* set the callback function to call on a |
|
|
507 | * retryable syscall error |
|
|
508 | * (such as failed select, poll, epoll_wait) |
|
|
509 | */ |
|
|
510 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
|
|
511 | |
|
|
512 | #if EV_MULTIPLICITY |
|
|
513 | EV_INLINE struct ev_loop * |
|
|
514 | ev_default_loop_uc (void) |
|
|
515 | { |
|
|
516 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
517 | |
|
|
518 | return ev_default_loop_ptr; |
|
|
519 | } |
|
|
520 | |
|
|
521 | /* the default loop is the only one that handles signals and child watchers */ |
|
|
522 | /* you can call this as often as you like */ |
|
|
523 | EV_INLINE struct ev_loop * |
|
|
524 | ev_default_loop (unsigned int flags EV_DEFARG (0)) |
|
|
525 | { |
|
|
526 | struct ev_loop *loop = ev_default_loop_uc (); |
|
|
527 | |
|
|
528 | if (!loop) |
|
|
529 | { |
|
|
530 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
531 | |
|
|
532 | loop = ev_default_loop_init (flags); |
|
|
533 | } |
|
|
534 | |
|
|
535 | return loop; |
|
|
536 | } |
|
|
537 | |
|
|
538 | /* create and destroy alternative loops that don't handle signals */ |
|
|
539 | struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); |
|
|
540 | void ev_loop_destroy (EV_P); |
|
|
541 | void ev_loop_fork (EV_P); |
|
|
542 | |
|
|
543 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
544 | |
|
|
545 | #else |
|
|
546 | |
|
|
547 | int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ |
|
|
548 | |
|
|
549 | EV_INLINE ev_tstamp |
|
|
550 | ev_now (void) |
|
|
551 | { |
|
|
552 | extern ev_tstamp ev_rt_now; |
|
|
553 | |
|
|
554 | return ev_rt_now; |
|
|
555 | } |
|
|
556 | #endif /* multiplicity */ |
|
|
557 | |
|
|
558 | EV_INLINE int |
|
|
559 | ev_is_default_loop (EV_P) |
|
|
560 | { |
|
|
561 | #if EV_MULTIPLICITY |
|
|
562 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
563 | |
|
|
564 | return !!(EV_A == ev_default_loop_ptr); |
|
|
565 | #else |
|
|
566 | return 1; |
|
|
567 | #endif |
|
|
568 | } |
|
|
569 | |
|
|
570 | void ev_default_destroy (void); /* destroy the default loop */ |
|
|
571 | /* this needs to be called after fork, to duplicate the default loop */ |
|
|
572 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
|
|
573 | /* you can call it in either the parent or the child */ |
|
|
574 | /* you can actually call it at any time, anywhere :) */ |
|
|
575 | void ev_default_fork (void); |
|
|
576 | |
|
|
577 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
|
|
578 | |
|
|
579 | void ev_now_update (EV_P); /* update event loop time */ |
|
|
580 | |
|
|
581 | #if EV_WALK_ENABLE |
|
|
582 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
583 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
584 | /* but do nothing else with the loop */ |
|
|
585 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
586 | #endif |
|
|
587 | |
|
|
588 | #endif /* prototypes */ |
|
|
589 | |
|
|
590 | /* ev_run flags values */ |
|
|
591 | enum { |
|
|
592 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
593 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
594 | }; |
|
|
595 | |
|
|
596 | /* ev_break how values */ |
|
|
597 | enum { |
|
|
598 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
599 | EVBREAK_ONE = 1, /* unloop once */ |
|
|
600 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
601 | }; |
|
|
602 | |
172 | #if EV_PROTOTYPES |
603 | #if EV_PROTOTYPES |
173 | void ev_loop (int flags); |
604 | void ev_run (EV_P_ int flags EV_DEFARG (0)); |
174 | extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
605 | void ev_break (EV_P_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */ |
175 | |
606 | |
|
|
607 | /* |
|
|
608 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
|
|
609 | * keeps one reference. if you have a long-running watcher you never unregister that |
|
|
610 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
|
|
611 | */ |
|
|
612 | void ev_ref (EV_P); |
|
|
613 | void ev_unref (EV_P); |
|
|
614 | |
|
|
615 | /* |
176 | /* convinience function, wait for a single event, without registering an event watcher */ |
616 | * convenience function, wait for a single event, without registering an event watcher |
177 | /* if timeout is < 0, do wait indefinitely */ |
617 | * if timeout is < 0, do wait indefinitely |
|
|
618 | */ |
178 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
619 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
|
|
620 | |
|
|
621 | # if EV_FEATURE_API |
|
|
622 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
|
|
623 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
|
|
624 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
|
|
625 | |
|
|
626 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
627 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
628 | |
|
|
629 | /* advanced stuff for threading etc. support, see docs */ |
|
|
630 | void ev_set_userdata (EV_P_ void *data); |
|
|
631 | void *ev_userdata (EV_P); |
|
|
632 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
633 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
634 | |
|
|
635 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
|
|
636 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
637 | |
|
|
638 | /* |
|
|
639 | * stop/start the timer handling. |
|
|
640 | */ |
|
|
641 | void ev_suspend (EV_P); |
|
|
642 | void ev_resume (EV_P); |
|
|
643 | #endif |
|
|
644 | |
179 | #endif |
645 | #endif |
180 | |
646 | |
181 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
647 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
182 | /* either use evw_init + evXXX_set, or the evXXX_init macro, below, to first initialise a watcher */ |
648 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
183 | #define evw_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) |
649 | #define ev_init(ev,cb_) do { \ |
|
|
650 | ((ev_watcher *)(void *)(ev))->active = \ |
|
|
651 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
|
|
652 | ev_set_priority ((ev), 0); \ |
|
|
653 | ev_set_cb ((ev), cb_); \ |
|
|
654 | } while (0) |
184 | |
655 | |
185 | #define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
656 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
186 | #define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
657 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
187 | #define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
658 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
188 | #define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
659 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
|
|
660 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
661 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
189 | #define evidle_set(ev) /* nop, yes, this is a serious in-joke */ |
662 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
190 | #define evprepare_set(ev) /* nop, yes, this is a serious in-joke */ |
663 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
191 | #define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ |
664 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
192 | #define evchild_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
665 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
666 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
667 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
193 | |
668 | |
194 | #define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) |
669 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
195 | #define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) |
670 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
196 | #define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) |
671 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
197 | #define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) |
672 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
|
|
673 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
|
|
674 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
198 | #define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) |
675 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
199 | #define evprepare_init(ev,cb) do { evw_init ((ev), (cb)); evprepare_set ((ev)); } while (0) |
676 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
200 | #define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) |
677 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
|
|
678 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
|
|
679 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
201 | #define evchild_init(ev,cb,pid) do { evw_init ((ev), (cb)); evchild_set ((ev),(pid)); } while (0) |
680 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
202 | |
681 | |
|
|
682 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
203 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
683 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
|
|
684 | |
|
|
685 | #define ev_cb(ev) (ev)->cb /* rw */ |
|
|
686 | |
|
|
687 | #if EV_MINPRI == EV_MAXPRI |
|
|
688 | # define ev_priority(ev) ((ev), EV_MINPRI) |
|
|
689 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
|
|
690 | #else |
|
|
691 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
|
|
692 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
|
|
693 | #endif |
|
|
694 | |
|
|
695 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
|
|
696 | |
|
|
697 | #ifndef ev_set_cb |
|
|
698 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
|
|
699 | #endif |
204 | |
700 | |
205 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
701 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
206 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
702 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
207 | #if EV_PROTOTYPES |
703 | #if EV_PROTOTYPES |
|
|
704 | |
|
|
705 | /* feeds an event into a watcher as if the event actually occured */ |
|
|
706 | /* accepts any ev_watcher type */ |
|
|
707 | void ev_feed_event (EV_P_ void *w, int revents); |
|
|
708 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
|
|
709 | #if EV_SIGNAL_ENABLE |
|
|
710 | void ev_feed_signal_event (EV_P_ int signum); |
|
|
711 | #endif |
|
|
712 | void ev_invoke (EV_P_ void *w, int revents); |
|
|
713 | int ev_clear_pending (EV_P_ void *w); |
|
|
714 | |
208 | void evio_start (struct ev_io *w); |
715 | void ev_io_start (EV_P_ ev_io *w); |
209 | void evio_stop (struct ev_io *w); |
716 | void ev_io_stop (EV_P_ ev_io *w); |
210 | |
717 | |
211 | void evtimer_start (struct ev_timer *w); |
718 | void ev_timer_start (EV_P_ ev_timer *w); |
212 | void evtimer_stop (struct ev_timer *w); |
719 | void ev_timer_stop (EV_P_ ev_timer *w); |
213 | void evtimer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
720 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
|
|
721 | void ev_timer_again (EV_P_ ev_timer *w); |
|
|
722 | /* return remaining time */ |
|
|
723 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
214 | |
724 | |
|
|
725 | #if EV_PERIODIC_ENABLE |
215 | void evperiodic_start (struct ev_periodic *w); |
726 | void ev_periodic_start (EV_P_ ev_periodic *w); |
216 | void evperiodic_stop (struct ev_periodic *w); |
727 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
|
|
728 | void ev_periodic_again (EV_P_ ev_periodic *w); |
|
|
729 | #endif |
217 | |
730 | |
|
|
731 | /* only supported in the default loop */ |
|
|
732 | #if EV_SIGNAL_ENABLE |
218 | void evsignal_start (struct ev_signal *w); |
733 | void ev_signal_start (EV_P_ ev_signal *w); |
219 | void evsignal_stop (struct ev_signal *w); |
734 | void ev_signal_stop (EV_P_ ev_signal *w); |
|
|
735 | #endif |
220 | |
736 | |
221 | void evidle_start (struct ev_idle *w); |
737 | /* only supported in the default loop */ |
222 | void evidle_stop (struct ev_idle *w); |
738 | # if EV_CHILD_ENABLE |
223 | |
|
|
224 | void evprepare_start (struct ev_prepare *w); |
|
|
225 | void evprepare_stop (struct ev_prepare *w); |
|
|
226 | |
|
|
227 | void evcheck_start (struct ev_check *w); |
|
|
228 | void evcheck_stop (struct ev_check *w); |
|
|
229 | |
|
|
230 | void evchild_start (struct ev_child *w); |
739 | void ev_child_start (EV_P_ ev_child *w); |
231 | void evchild_stop (struct ev_child *w); |
740 | void ev_child_stop (EV_P_ ev_child *w); |
232 | #endif |
741 | # endif |
233 | |
742 | |
|
|
743 | # if EV_STAT_ENABLE |
|
|
744 | void ev_stat_start (EV_P_ ev_stat *w); |
|
|
745 | void ev_stat_stop (EV_P_ ev_stat *w); |
|
|
746 | void ev_stat_stat (EV_P_ ev_stat *w); |
234 | #endif |
747 | # endif |
235 | |
748 | |
|
|
749 | # if EV_IDLE_ENABLE |
|
|
750 | void ev_idle_start (EV_P_ ev_idle *w); |
|
|
751 | void ev_idle_stop (EV_P_ ev_idle *w); |
|
|
752 | # endif |
|
|
753 | |
|
|
754 | #if EV_PREPARE_ENABLE |
|
|
755 | void ev_prepare_start (EV_P_ ev_prepare *w); |
|
|
756 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
|
|
757 | #endif |
|
|
758 | |
|
|
759 | #if EV_CHECK_ENABLE |
|
|
760 | void ev_check_start (EV_P_ ev_check *w); |
|
|
761 | void ev_check_stop (EV_P_ ev_check *w); |
|
|
762 | #endif |
|
|
763 | |
|
|
764 | # if EV_FORK_ENABLE |
|
|
765 | void ev_fork_start (EV_P_ ev_fork *w); |
|
|
766 | void ev_fork_stop (EV_P_ ev_fork *w); |
|
|
767 | # endif |
|
|
768 | |
|
|
769 | # if EV_EMBED_ENABLE |
|
|
770 | /* only supported when loop to be embedded is in fact embeddable */ |
|
|
771 | void ev_embed_start (EV_P_ ev_embed *w); |
|
|
772 | void ev_embed_stop (EV_P_ ev_embed *w); |
|
|
773 | void ev_embed_sweep (EV_P_ ev_embed *w); |
|
|
774 | # endif |
|
|
775 | |
|
|
776 | # if EV_ASYNC_ENABLE |
|
|
777 | void ev_async_start (EV_P_ ev_async *w); |
|
|
778 | void ev_async_stop (EV_P_ ev_async *w); |
|
|
779 | void ev_async_send (EV_P_ ev_async *w); |
|
|
780 | # endif |
|
|
781 | |
|
|
782 | #if EV_COMPAT3 |
|
|
783 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
|
|
784 | #define EVLOOP_ONESHOT EVRUN_ONCE |
|
|
785 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
|
|
786 | #define EVUNLOOP_ONE EVBREAK_ONE |
|
|
787 | #define EVUNLOOP_ALL EVBREAK_ALL |
|
|
788 | #if EV_PROTOTYPES |
|
|
789 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
|
|
790 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
|
|
791 | #if EV_FEATURE_API |
|
|
792 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
|
|
793 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
|
|
794 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
|
|
795 | #endif |
|
|
796 | #endif |
|
|
797 | #else |
|
|
798 | typedef struct ev_loop ev_loop; |
|
|
799 | #endif |
|
|
800 | |
|
|
801 | #endif |
|
|
802 | |
|
|
803 | #ifdef __cplusplus |
|
|
804 | } |
|
|
805 | #endif |
|
|
806 | |
|
|
807 | #endif |
|
|
808 | |