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 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_ |
32 | |
42 | |
33 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
|
|
44 | # define EV_CPP(x) x |
|
|
45 | #else |
|
|
46 | # define EV_CPP(x) |
|
|
47 | #endif |
|
|
48 | |
34 | extern "C" { |
49 | EV_CPP(extern "C" {) |
|
|
50 | |
|
|
51 | /*****************************************************************************/ |
|
|
52 | |
|
|
53 | /* pre-4.0 compatibility */ |
|
|
54 | #ifndef EV_COMPAT3 |
|
|
55 | # define EV_COMPAT3 1 |
35 | #endif |
56 | #endif |
|
|
57 | |
|
|
58 | #ifndef EV_FEATURES |
|
|
59 | # define EV_FEATURES 0x7f |
|
|
60 | #endif |
|
|
61 | |
|
|
62 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
|
|
63 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
|
|
64 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
|
|
65 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
|
|
66 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
|
|
67 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
|
|
68 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
|
|
69 | |
|
|
70 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
|
|
71 | #ifndef EV_MINPRI |
|
|
72 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
|
|
73 | #endif |
|
|
74 | #ifndef EV_MAXPRI |
|
|
75 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
|
|
76 | #endif |
|
|
77 | |
|
|
78 | #ifndef EV_MULTIPLICITY |
|
|
79 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
|
|
80 | #endif |
|
|
81 | |
|
|
82 | #ifndef EV_PERIODIC_ENABLE |
|
|
83 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
|
|
84 | #endif |
|
|
85 | |
|
|
86 | #ifndef EV_STAT_ENABLE |
|
|
87 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
|
|
88 | #endif |
|
|
89 | |
|
|
90 | #ifndef EV_PREPARE_ENABLE |
|
|
91 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
|
|
92 | #endif |
|
|
93 | |
|
|
94 | #ifndef EV_CHECK_ENABLE |
|
|
95 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
|
|
96 | #endif |
|
|
97 | |
|
|
98 | #ifndef EV_IDLE_ENABLE |
|
|
99 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
|
|
100 | #endif |
|
|
101 | |
|
|
102 | #ifndef EV_FORK_ENABLE |
|
|
103 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
|
|
104 | #endif |
|
|
105 | |
|
|
106 | #ifndef EV_CLEANUP_ENABLE |
|
|
107 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
|
|
108 | #endif |
|
|
109 | |
|
|
110 | #ifndef EV_SIGNAL_ENABLE |
|
|
111 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
|
|
112 | #endif |
|
|
113 | |
|
|
114 | #ifndef EV_CHILD_ENABLE |
|
|
115 | # ifdef _WIN32 |
|
|
116 | # define EV_CHILD_ENABLE 0 |
|
|
117 | # else |
|
|
118 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
|
|
119 | #endif |
|
|
120 | #endif |
|
|
121 | |
|
|
122 | #ifndef EV_ASYNC_ENABLE |
|
|
123 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
|
|
124 | #endif |
|
|
125 | |
|
|
126 | #ifndef EV_EMBED_ENABLE |
|
|
127 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
|
|
128 | #endif |
|
|
129 | |
|
|
130 | #ifndef EV_WALK_ENABLE |
|
|
131 | # define EV_WALK_ENABLE 0 /* not yet */ |
|
|
132 | #endif |
|
|
133 | |
|
|
134 | /*****************************************************************************/ |
|
|
135 | |
|
|
136 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
|
|
137 | # undef EV_SIGNAL_ENABLE |
|
|
138 | # define EV_SIGNAL_ENABLE 1 |
|
|
139 | #endif |
|
|
140 | |
|
|
141 | /*****************************************************************************/ |
36 | |
142 | |
37 | typedef double ev_tstamp; |
143 | typedef double ev_tstamp; |
38 | |
144 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
145 | #ifndef EV_ATOMIC_T |
40 | #ifndef EV_MINPRI |
146 | # include <signal.h> |
41 | # define EV_MINPRI -2 |
147 | # define EV_ATOMIC_T sig_atomic_t volatile |
42 | #endif |
148 | #endif |
43 | #ifndef EV_MAXPRI |
|
|
44 | # define EV_MAXPRI +2 |
|
|
45 | #endif |
|
|
46 | |
|
|
47 | #ifndef EV_MULTIPLICITY |
|
|
48 | # define EV_MULTIPLICITY 1 |
|
|
49 | #endif |
|
|
50 | |
|
|
51 | #ifndef EV_PERIODIC_ENABLE |
|
|
52 | # define EV_PERIODIC_ENABLE 1 |
|
|
53 | #endif |
|
|
54 | |
|
|
55 | #ifndef EV_STAT_ENABLE |
|
|
56 | # define EV_STAT_ENABLE 1 |
|
|
57 | #endif |
|
|
58 | |
|
|
59 | #ifndef EV_EMBED_ENABLE |
|
|
60 | # define EV_EMBED_ENABLE 1 |
|
|
61 | #endif |
|
|
62 | |
|
|
63 | /*****************************************************************************/ |
|
|
64 | |
149 | |
65 | #if EV_STAT_ENABLE |
150 | #if EV_STAT_ENABLE |
|
|
151 | # ifdef _WIN32 |
|
|
152 | # include <time.h> |
|
|
153 | # include <sys/types.h> |
|
|
154 | # endif |
66 | # include <sys/stat.h> |
155 | # include <sys/stat.h> |
67 | #endif |
156 | #endif |
68 | |
157 | |
69 | /* support multiple event loops? */ |
158 | /* support multiple event loops? */ |
70 | #if EV_MULTIPLICITY |
159 | #if EV_MULTIPLICITY |
71 | struct ev_loop; |
160 | struct ev_loop; |
72 | # define EV_P struct ev_loop *loop |
161 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
73 | # define EV_P_ EV_P, |
162 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
74 | # define EV_A loop |
163 | # define EV_A loop /* a loop as sole argument to a function call */ |
75 | # define EV_A_ EV_A, |
164 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
76 | # define EV_DEFAULT_A ev_default_loop (0) |
165 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
77 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
166 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
|
|
167 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
|
|
168 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
78 | #else |
169 | #else |
79 | # define EV_P void |
170 | # define EV_P void |
80 | # define EV_P_ |
171 | # define EV_P_ |
81 | # define EV_A |
172 | # define EV_A |
82 | # define EV_A_ |
173 | # define EV_A_ |
|
|
174 | # define EV_DEFAULT |
83 | # define EV_DEFAULT_A |
175 | # define EV_DEFAULT_ |
|
|
176 | # define EV_DEFAULT_UC |
84 | # define EV_DEFAULT_A_ |
177 | # define EV_DEFAULT_UC_ |
85 | |
|
|
86 | # undef EV_EMBED_ENABLE |
178 | # undef EV_EMBED_ENABLE |
87 | #endif |
179 | #endif |
88 | |
180 | |
|
|
181 | /* EV_INLINE is used for functions in header files */ |
|
|
182 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
|
|
183 | # define EV_INLINE static inline |
|
|
184 | #else |
|
|
185 | # define EV_INLINE static |
|
|
186 | #endif |
|
|
187 | |
|
|
188 | #ifdef EV_API_STATIC |
|
|
189 | # define EV_API_DECL static |
|
|
190 | #else |
|
|
191 | # define EV_API_DECL extern |
|
|
192 | #endif |
|
|
193 | |
|
|
194 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
|
|
195 | #ifndef EV_PROTOTYPES |
|
|
196 | # define EV_PROTOTYPES 1 |
|
|
197 | #endif |
|
|
198 | |
|
|
199 | /*****************************************************************************/ |
|
|
200 | |
|
|
201 | #define EV_VERSION_MAJOR 4 |
|
|
202 | #define EV_VERSION_MINOR 11 |
|
|
203 | |
89 | /* eventmask, revents, events... */ |
204 | /* eventmask, revents, events... */ |
90 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
205 | enum { |
|
|
206 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
91 | #define EV_NONE 0x00L /* no events */ |
207 | EV_NONE = 0x00, /* no events */ |
92 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
208 | EV_READ = 0x01, /* ev_io detected read will not block */ |
93 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
209 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
|
|
210 | EV__IOFDSET = 0x80, /* internal use only */ |
|
|
211 | EV_IO = EV_READ, /* alias for type-detection */ |
94 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
212 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
|
213 | #if EV_COMPAT3 |
|
|
214 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
|
215 | #endif |
95 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
216 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
96 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
217 | EV_SIGNAL = 0x00000400, /* signal was received */ |
|
|
218 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
|
|
219 | EV_STAT = 0x00001000, /* stat data changed */ |
97 | #define EV_IDLE 0x00000800L /* event loop is idling */ |
220 | EV_IDLE = 0x00002000, /* event loop is idling */ |
98 | #define EV_PREPARE 0x00001000L /* event loop about to poll */ |
221 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
99 | #define EV_CHECK 0x00002000L /* event loop finished poll */ |
222 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
100 | #define EV_CHILD 0x00004000L /* child/pid had status change */ |
|
|
101 | #define EV_EMBED 0x00008000L /* embedded event loop needs sweep */ |
223 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
102 | #define EV_STAT 0x00010000L /* stat data changed */ |
224 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
|
|
225 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
|
|
226 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
|
|
227 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
103 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
228 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
|
|
229 | }; |
104 | |
230 | |
105 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
231 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
106 | #ifndef EV_COMMON |
232 | #ifndef EV_COMMON |
107 | # define EV_COMMON void *data; |
233 | # define EV_COMMON void *data; |
108 | #endif |
234 | #endif |
109 | #ifndef EV_PROTOTYPES |
|
|
110 | # define EV_PROTOTYPES 1 |
|
|
111 | #endif |
|
|
112 | |
|
|
113 | #define EV_VERSION_MAJOR 1 |
|
|
114 | #define EV_VERSION_MINOR 1 |
|
|
115 | |
235 | |
116 | #ifndef EV_CB_DECLARE |
236 | #ifndef EV_CB_DECLARE |
117 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
237 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
118 | #endif |
238 | #endif |
119 | #ifndef EV_CB_INVOKE |
239 | #ifndef EV_CB_INVOKE |
120 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
240 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
121 | #endif |
241 | #endif |
122 | |
242 | |
|
|
243 | /* not official, do not use */ |
|
|
244 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
|
|
245 | |
123 | /* |
246 | /* |
124 | * struct member types: |
247 | * struct member types: |
125 | * private: you can look at them, but not change them, and they might not mean anything to you. |
248 | * private: you may look at them, but not change them, |
|
|
249 | * and they might not mean anything to you. |
126 | * ro: can be read anytime, but only changed when the watcher isn't active |
250 | * ro: can be read anytime, but only changed when the watcher isn't active. |
127 | * rw: can be read and modified anytime, even when the watcher is active |
251 | * rw: can be read and modified anytime, even when the watcher is active. |
|
|
252 | * |
|
|
253 | * some internal details that might be helpful for debugging: |
|
|
254 | * |
|
|
255 | * active is either 0, which means the watcher is not active, |
|
|
256 | * or the array index of the watcher (periodics, timers) |
|
|
257 | * or the array index + 1 (most other watchers) |
|
|
258 | * or simply 1 for watchers that aren't in some array. |
|
|
259 | * pending is either 0, in which case the watcher isn't, |
|
|
260 | * or the array index + 1 in the pendings array. |
128 | */ |
261 | */ |
|
|
262 | |
|
|
263 | #if EV_MINPRI == EV_MAXPRI |
|
|
264 | # define EV_DECL_PRIORITY |
|
|
265 | #elif !defined (EV_DECL_PRIORITY) |
|
|
266 | # define EV_DECL_PRIORITY int priority; |
|
|
267 | #endif |
129 | |
268 | |
130 | /* shared by all watchers */ |
269 | /* shared by all watchers */ |
131 | #define EV_WATCHER(type) \ |
270 | #define EV_WATCHER(type) \ |
132 | int active; /* private */ \ |
271 | int active; /* private */ \ |
133 | int pending; /* private */ \ |
272 | int pending; /* private */ \ |
134 | int priority; /* private */ \ |
273 | EV_DECL_PRIORITY /* private */ \ |
135 | EV_COMMON /* rw */ \ |
274 | EV_COMMON /* rw */ \ |
136 | EV_CB_DECLARE (type) /* private */ |
275 | EV_CB_DECLARE (type) /* private */ |
137 | |
276 | |
138 | #define EV_WATCHER_LIST(type) \ |
277 | #define EV_WATCHER_LIST(type) \ |
139 | EV_WATCHER (type) \ |
278 | EV_WATCHER (type) \ |
… | |
… | |
184 | /* revent EV_PERIODIC */ |
323 | /* revent EV_PERIODIC */ |
185 | typedef struct ev_periodic |
324 | typedef struct ev_periodic |
186 | { |
325 | { |
187 | EV_WATCHER_TIME (ev_periodic) |
326 | EV_WATCHER_TIME (ev_periodic) |
188 | |
327 | |
|
|
328 | ev_tstamp offset; /* rw */ |
189 | ev_tstamp interval; /* rw */ |
329 | ev_tstamp interval; /* rw */ |
190 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
330 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
191 | } ev_periodic; |
331 | } ev_periodic; |
192 | |
332 | |
193 | /* invoked when the given signal has been received */ |
333 | /* invoked when the given signal has been received */ |
… | |
… | |
204 | /* does not support priorities */ |
344 | /* does not support priorities */ |
205 | typedef struct ev_child |
345 | typedef struct ev_child |
206 | { |
346 | { |
207 | EV_WATCHER_LIST (ev_child) |
347 | EV_WATCHER_LIST (ev_child) |
208 | |
348 | |
|
|
349 | int flags; /* private */ |
209 | int pid; /* ro */ |
350 | int pid; /* ro */ |
210 | int rpid; /* rw, holds the received pid */ |
351 | int rpid; /* rw, holds the received pid */ |
211 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
352 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
212 | } ev_child; |
353 | } ev_child; |
213 | |
354 | |
214 | #if EV_STAT_ENABLE |
355 | #if EV_STAT_ENABLE |
215 | /* st_nlink = 0 means missing file or other error */ |
356 | /* st_nlink = 0 means missing file or other error */ |
|
|
357 | # ifdef _WIN32 |
|
|
358 | typedef struct _stati64 ev_statdata; |
|
|
359 | # else |
216 | typedef struct stat ev_statdata; |
360 | typedef struct stat ev_statdata; |
|
|
361 | # endif |
217 | |
362 | |
218 | /* invoked each time the stat data changes for a given path */ |
363 | /* invoked each time the stat data changes for a given path */ |
219 | /* revent EV_STAT */ |
364 | /* revent EV_STAT */ |
220 | typedef struct ev_stat |
365 | typedef struct ev_stat |
221 | { |
366 | { |
222 | EV_WATCHER (ev_stat) |
367 | EV_WATCHER_LIST (ev_stat) |
223 | |
368 | |
224 | ev_timer timer; /* private */ |
369 | ev_timer timer; /* private */ |
225 | ev_tstamp interval; /* ro */ |
370 | ev_tstamp interval; /* ro */ |
226 | const char *path; /* ro */ |
371 | const char *path; /* ro */ |
227 | ev_statdata prev; /* ro */ |
372 | ev_statdata prev; /* ro */ |
228 | ev_statdata attr; /* ro */ |
373 | ev_statdata attr; /* ro */ |
|
|
374 | |
|
|
375 | int wd; /* wd for inotify, fd for kqueue */ |
229 | } ev_stat; |
376 | } ev_stat; |
230 | #endif |
377 | #endif |
231 | |
378 | |
|
|
379 | #if EV_IDLE_ENABLE |
232 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
380 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
233 | /* revent EV_IDLE */ |
381 | /* revent EV_IDLE */ |
234 | typedef struct ev_idle |
382 | typedef struct ev_idle |
235 | { |
383 | { |
236 | EV_WATCHER (ev_idle) |
384 | EV_WATCHER (ev_idle) |
237 | } ev_idle; |
385 | } ev_idle; |
|
|
386 | #endif |
238 | |
387 | |
239 | /* invoked for each run of the mainloop, just before the blocking call */ |
388 | /* invoked for each run of the mainloop, just before the blocking call */ |
240 | /* you can still change events in any way you like */ |
389 | /* you can still change events in any way you like */ |
241 | /* revent EV_PREPARE */ |
390 | /* revent EV_PREPARE */ |
242 | typedef struct ev_prepare |
391 | typedef struct ev_prepare |
… | |
… | |
249 | typedef struct ev_check |
398 | typedef struct ev_check |
250 | { |
399 | { |
251 | EV_WATCHER (ev_check) |
400 | EV_WATCHER (ev_check) |
252 | } ev_check; |
401 | } ev_check; |
253 | |
402 | |
|
|
403 | #if EV_FORK_ENABLE |
|
|
404 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
405 | /* revent EV_FORK */ |
|
|
406 | typedef struct ev_fork |
|
|
407 | { |
|
|
408 | EV_WATCHER (ev_fork) |
|
|
409 | } ev_fork; |
|
|
410 | #endif |
|
|
411 | |
|
|
412 | #if EV_CLEANUP_ENABLE |
|
|
413 | /* is invoked just before the loop gets destroyed */ |
|
|
414 | /* revent EV_CLEANUP */ |
|
|
415 | typedef struct ev_cleanup |
|
|
416 | { |
|
|
417 | EV_WATCHER (ev_cleanup) |
|
|
418 | } ev_cleanup; |
|
|
419 | #endif |
|
|
420 | |
254 | #if EV_EMBED_ENABLE |
421 | #if EV_EMBED_ENABLE |
255 | /* used to embed an event loop inside another */ |
422 | /* used to embed an event loop inside another */ |
256 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
423 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
257 | typedef struct ev_embed |
424 | typedef struct ev_embed |
258 | { |
425 | { |
259 | EV_WATCHER (ev_embed) |
426 | EV_WATCHER (ev_embed) |
260 | |
427 | |
261 | ev_io io; /* private */ |
|
|
262 | struct ev_loop *loop; /* ro */ |
428 | struct ev_loop *other; /* ro */ |
|
|
429 | ev_io io; /* private */ |
|
|
430 | ev_prepare prepare; /* private */ |
|
|
431 | ev_check check; /* unused */ |
|
|
432 | ev_timer timer; /* unused */ |
|
|
433 | ev_periodic periodic; /* unused */ |
|
|
434 | ev_idle idle; /* unused */ |
|
|
435 | ev_fork fork; /* private */ |
|
|
436 | #if EV_CLEANUP_ENABLE |
|
|
437 | ev_cleanup cleanup; /* unused */ |
|
|
438 | #endif |
263 | } ev_embed; |
439 | } ev_embed; |
|
|
440 | #endif |
|
|
441 | |
|
|
442 | #if EV_ASYNC_ENABLE |
|
|
443 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
444 | /* revent EV_ASYNC */ |
|
|
445 | typedef struct ev_async |
|
|
446 | { |
|
|
447 | EV_WATCHER (ev_async) |
|
|
448 | |
|
|
449 | EV_ATOMIC_T sent; /* private */ |
|
|
450 | } ev_async; |
|
|
451 | |
|
|
452 | # define ev_async_pending(w) (+(w)->sent) |
264 | #endif |
453 | #endif |
265 | |
454 | |
266 | /* the presence of this union forces similar struct layout */ |
455 | /* the presence of this union forces similar struct layout */ |
267 | union ev_any_watcher |
456 | union ev_any_watcher |
268 | { |
457 | { |
… | |
… | |
270 | struct ev_watcher_list wl; |
459 | struct ev_watcher_list wl; |
271 | |
460 | |
272 | struct ev_io io; |
461 | struct ev_io io; |
273 | struct ev_timer timer; |
462 | struct ev_timer timer; |
274 | struct ev_periodic periodic; |
463 | struct ev_periodic periodic; |
|
|
464 | struct ev_signal signal; |
275 | struct ev_child child; |
465 | struct ev_child child; |
276 | #if EV_STAT_ENABLE |
466 | #if EV_STAT_ENABLE |
277 | struct ev_stat stat; |
467 | struct ev_stat stat; |
278 | #endif |
468 | #endif |
|
|
469 | #if EV_IDLE_ENABLE |
279 | struct ev_idle idle; |
470 | struct ev_idle idle; |
|
|
471 | #endif |
280 | struct ev_prepare prepare; |
472 | struct ev_prepare prepare; |
281 | struct ev_check check; |
473 | struct ev_check check; |
282 | struct ev_signal signal; |
474 | #if EV_FORK_ENABLE |
|
|
475 | struct ev_fork fork; |
|
|
476 | #endif |
|
|
477 | #if EV_CLEANUP_ENABLE |
|
|
478 | struct ev_cleanup cleanup; |
|
|
479 | #endif |
283 | #if EV_EMBED_ENABLE |
480 | #if EV_EMBED_ENABLE |
284 | struct ev_embed embed; |
481 | struct ev_embed embed; |
285 | #endif |
482 | #endif |
|
|
483 | #if EV_ASYNC_ENABLE |
|
|
484 | struct ev_async async; |
|
|
485 | #endif |
286 | }; |
486 | }; |
287 | |
487 | |
288 | /* bits for ev_default_loop and ev_loop_new */ |
488 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
489 | enum { |
289 | /* the default */ |
490 | /* the default */ |
290 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
491 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
291 | /* flag bits */ |
492 | /* flag bits */ |
292 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
493 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
|
|
494 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
495 | /* debugging/feature disable */ |
|
|
496 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
497 | #if EV_COMPAT3 |
|
|
498 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
499 | #endif |
|
|
500 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
501 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
|
|
502 | }; |
|
|
503 | |
293 | /* method bits to be ored together */ |
504 | /* method bits to be ored together */ |
|
|
505 | enum { |
294 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
506 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
295 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
507 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
296 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
508 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
297 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
509 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
298 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
510 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
299 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
511 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
512 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
513 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
514 | }; |
300 | |
515 | |
301 | #if EV_PROTOTYPES |
516 | #if EV_PROTOTYPES |
302 | int ev_version_major (void); |
517 | EV_API_DECL int ev_version_major (void); |
303 | int ev_version_minor (void); |
518 | EV_API_DECL int ev_version_minor (void); |
304 | |
519 | |
305 | unsigned int ev_supported_backends (void); |
520 | EV_API_DECL unsigned int ev_supported_backends (void); |
306 | unsigned int ev_recommended_backends (void); |
521 | EV_API_DECL unsigned int ev_recommended_backends (void); |
307 | unsigned int ev_embeddable_backends (void); |
522 | EV_API_DECL unsigned int ev_embeddable_backends (void); |
308 | |
523 | |
309 | ev_tstamp ev_time (void); |
524 | EV_API_DECL ev_tstamp ev_time (void); |
|
|
525 | EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
310 | |
526 | |
311 | /* Sets the allocation function to use, works like realloc. |
527 | /* Sets the allocation function to use, works like realloc. |
312 | * It is used to allocate and free memory. |
528 | * It is used to allocate and free memory. |
313 | * If it returns zero when memory needs to be allocated, the library might abort |
529 | * If it returns zero when memory needs to be allocated, the library might abort |
314 | * or take some potentially destructive action. |
530 | * or take some potentially destructive action. |
315 | * The default is your system realloc function. |
531 | * The default is your system realloc function. |
316 | */ |
532 | */ |
317 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
533 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
318 | |
534 | |
319 | /* set the callback function to call on a |
535 | /* set the callback function to call on a |
320 | * retryable syscall error |
536 | * retryable syscall error |
321 | * (such as failed select, poll, epoll_wait) |
537 | * (such as failed select, poll, epoll_wait) |
322 | */ |
538 | */ |
323 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
539 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg)); |
324 | |
540 | |
325 | # if EV_MULTIPLICITY |
541 | #if EV_MULTIPLICITY |
|
|
542 | |
326 | /* the default loop is the only one that handles signals and child watchers */ |
543 | /* the default loop is the only one that handles signals and child watchers */ |
327 | /* you can call this as often as you like */ |
544 | /* you can call this as often as you like */ |
328 | static struct ev_loop * |
545 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
329 | ev_default_loop (unsigned int flags) |
546 | |
|
|
547 | #ifdef EV_API_STATIC |
|
|
548 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
549 | #endif |
|
|
550 | |
|
|
551 | EV_INLINE struct ev_loop * |
|
|
552 | ev_default_loop_uc_ (void) |
330 | { |
553 | { |
331 | extern struct ev_loop *ev_default_loop_ptr; |
554 | extern struct ev_loop *ev_default_loop_ptr; |
332 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
333 | |
|
|
334 | if (!ev_default_loop_ptr) |
|
|
335 | ev_default_loop_init (flags); |
|
|
336 | |
555 | |
337 | return ev_default_loop_ptr; |
556 | return ev_default_loop_ptr; |
338 | } |
557 | } |
339 | |
558 | |
|
|
559 | EV_INLINE int |
|
|
560 | ev_is_default_loop (EV_P) |
|
|
561 | { |
|
|
562 | return EV_A == EV_DEFAULT_UC; |
|
|
563 | } |
|
|
564 | |
340 | /* create and destroy alternative loops that don't handle signals */ |
565 | /* create and destroy alternative loops that don't handle signals */ |
341 | struct ev_loop *ev_loop_new (unsigned int flags); |
566 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
342 | void ev_loop_destroy (EV_P); |
|
|
343 | void ev_loop_fork (EV_P); |
|
|
344 | |
567 | |
345 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
568 | EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
346 | |
569 | |
347 | # else |
570 | #else |
348 | |
571 | |
349 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
572 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
350 | |
573 | |
351 | static ev_tstamp |
574 | EV_API_DECL ev_tstamp ev_rt_now; |
|
|
575 | |
|
|
576 | EV_INLINE ev_tstamp |
352 | ev_now (void) |
577 | ev_now (void) |
353 | { |
578 | { |
354 | extern ev_tstamp ev_rt_now; |
|
|
355 | |
|
|
356 | return ev_rt_now; |
579 | return ev_rt_now; |
357 | } |
580 | } |
358 | # endif |
|
|
359 | |
581 | |
360 | void ev_default_destroy (void); /* destroy the default loop */ |
582 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
583 | EV_INLINE int |
|
|
584 | ev_is_default_loop (void) |
|
|
585 | { |
|
|
586 | return 1; |
|
|
587 | } |
|
|
588 | |
|
|
589 | #endif /* multiplicity */ |
|
|
590 | |
|
|
591 | /* destroy event loops, also works for the default loop */ |
|
|
592 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
593 | |
361 | /* this needs to be called after fork, to duplicate the default loop */ |
594 | /* this needs to be called after fork, to duplicate the loop */ |
362 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
595 | /* when you want to re-use it in the child */ |
363 | /* you can call it in either the parent or the child */ |
596 | /* you can call it in either the parent or the child */ |
364 | /* you can actually call it at any time, anywhere :) */ |
597 | /* you can actually call it at any time, anywhere :) */ |
365 | void ev_default_fork (void); |
598 | EV_API_DECL void ev_loop_fork (EV_P); |
366 | |
599 | |
367 | unsigned int ev_backend (EV_P); |
600 | EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */ |
368 | #endif |
|
|
369 | |
601 | |
370 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
602 | EV_API_DECL void ev_now_update (EV_P); /* update event loop time */ |
371 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
603 | |
372 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
604 | #if EV_WALK_ENABLE |
373 | #define EVUNLOOP_ONE 1 /* unloop once */ |
605 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
606 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
607 | /* but do nothing else with the loop */ |
|
|
608 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
609 | #endif |
|
|
610 | |
|
|
611 | #endif /* prototypes */ |
|
|
612 | |
|
|
613 | /* ev_run flags values */ |
|
|
614 | enum { |
|
|
615 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
616 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
617 | }; |
|
|
618 | |
|
|
619 | /* ev_break how values */ |
|
|
620 | enum { |
|
|
621 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
622 | EVBREAK_ONE = 1, /* unloop once */ |
374 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
623 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
624 | }; |
375 | |
625 | |
376 | #if EV_PROTOTYPES |
626 | #if EV_PROTOTYPES |
377 | void ev_loop (EV_P_ int flags); |
627 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
378 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
628 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
379 | |
629 | |
380 | /* |
630 | /* |
381 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
631 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
382 | * keeps one reference. if you have a long-runing watcher you never unregister that |
632 | * keeps one reference. if you have a long-running watcher you never unregister that |
383 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
633 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
384 | */ |
634 | */ |
385 | void ev_ref (EV_P); |
635 | EV_API_DECL void ev_ref (EV_P); |
386 | void ev_unref (EV_P); |
636 | EV_API_DECL void ev_unref (EV_P); |
387 | |
637 | |
|
|
638 | /* |
388 | /* convinience function, wait for a single event, without registering an event watcher */ |
639 | * convenience function, wait for a single event, without registering an event watcher |
389 | /* if timeout is < 0, do wait indefinitely */ |
640 | * if timeout is < 0, do wait indefinitely |
|
|
641 | */ |
390 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
642 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
|
|
643 | |
|
|
644 | # if EV_FEATURE_API |
|
|
645 | EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
|
|
646 | EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
|
|
647 | EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */ |
|
|
648 | |
|
|
649 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
650 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
651 | |
|
|
652 | /* advanced stuff for threading etc. support, see docs */ |
|
|
653 | EV_API_DECL void ev_set_userdata (EV_P_ void *data); |
|
|
654 | EV_API_DECL void *ev_userdata (EV_P); |
|
|
655 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
656 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
657 | |
|
|
658 | EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
|
|
659 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
660 | |
|
|
661 | /* |
|
|
662 | * stop/start the timer handling. |
|
|
663 | */ |
|
|
664 | EV_API_DECL void ev_suspend (EV_P); |
|
|
665 | EV_API_DECL void ev_resume (EV_P); |
|
|
666 | #endif |
|
|
667 | |
391 | #endif |
668 | #endif |
392 | |
669 | |
393 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
670 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
394 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
671 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
395 | #define ev_init(ev,cb_) do { \ |
672 | #define ev_init(ev,cb_) do { \ |
396 | ((ev_watcher *)(void *)(ev))->active = \ |
673 | ((ev_watcher *)(void *)(ev))->active = \ |
397 | ((ev_watcher *)(void *)(ev))->pending = \ |
674 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
398 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
675 | ev_set_priority ((ev), 0); \ |
399 | ev_set_cb ((ev), cb_); \ |
676 | ev_set_cb ((ev), cb_); \ |
400 | } while (0) |
677 | } while (0) |
401 | |
678 | |
402 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
679 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
403 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
680 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
404 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
681 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
405 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
682 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
406 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
683 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
407 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0) |
684 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
408 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
685 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
409 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
686 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
410 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
687 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
411 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
688 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
689 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
690 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
691 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
412 | |
692 | |
413 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
693 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
414 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
694 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
415 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
695 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
416 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
696 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
417 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
697 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
418 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
698 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
419 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
699 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
420 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
700 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
421 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
701 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
422 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
702 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
|
|
703 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
|
|
704 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
|
|
705 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
423 | |
706 | |
424 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
707 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
425 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
708 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
426 | |
709 | |
427 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
|
|
428 | #define ev_cb(ev) (ev)->cb /* rw */ |
710 | #define ev_cb(ev) (ev)->cb /* rw */ |
|
|
711 | |
|
|
712 | #if EV_MINPRI == EV_MAXPRI |
|
|
713 | # define ev_priority(ev) ((ev), EV_MINPRI) |
429 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
714 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
|
|
715 | #else |
|
|
716 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
|
|
717 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
|
|
718 | #endif |
|
|
719 | |
|
|
720 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
430 | |
721 | |
431 | #ifndef ev_set_cb |
722 | #ifndef ev_set_cb |
432 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
723 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
433 | #endif |
724 | #endif |
434 | |
725 | |
435 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
726 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
436 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
727 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
437 | #if EV_PROTOTYPES |
728 | #if EV_PROTOTYPES |
438 | |
729 | |
439 | /* feeds an event into a watcher as if the event actually occured */ |
730 | /* feeds an event into a watcher as if the event actually occurred */ |
440 | /* accepts any ev_watcher type */ |
731 | /* accepts any ev_watcher type */ |
441 | void ev_feed_event (EV_P_ void *w, int revents); |
732 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents); |
442 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
733 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents); |
|
|
734 | #if EV_SIGNAL_ENABLE |
|
|
735 | EV_API_DECL void ev_feed_signal (int signum); |
443 | void ev_feed_signal_event (EV_P_ int signum); |
736 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum); |
|
|
737 | #endif |
|
|
738 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
|
|
739 | EV_API_DECL int ev_clear_pending (EV_P_ void *w); |
444 | |
740 | |
445 | void ev_io_start (EV_P_ ev_io *w); |
741 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w); |
446 | void ev_io_stop (EV_P_ ev_io *w); |
742 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w); |
447 | |
743 | |
448 | void ev_timer_start (EV_P_ ev_timer *w); |
744 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w); |
449 | void ev_timer_stop (EV_P_ ev_timer *w); |
745 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w); |
450 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
746 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
451 | void ev_timer_again (EV_P_ ev_timer *w); |
747 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w); |
|
|
748 | /* return remaining time */ |
|
|
749 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
452 | |
750 | |
453 | #if EV_PERIODIC_ENABLE |
751 | #if EV_PERIODIC_ENABLE |
454 | void ev_periodic_start (EV_P_ ev_periodic *w); |
752 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w); |
455 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
753 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w); |
456 | void ev_periodic_again (EV_P_ ev_periodic *w); |
754 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w); |
457 | #endif |
755 | #endif |
458 | |
756 | |
459 | /* only supported in the default loop */ |
757 | /* only supported in the default loop */ |
|
|
758 | #if EV_SIGNAL_ENABLE |
460 | void ev_signal_start (EV_P_ ev_signal *w); |
759 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w); |
461 | void ev_signal_stop (EV_P_ ev_signal *w); |
760 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w); |
|
|
761 | #endif |
462 | |
762 | |
463 | /* only supported in the default loop */ |
763 | /* only supported in the default loop */ |
|
|
764 | # if EV_CHILD_ENABLE |
464 | void ev_child_start (EV_P_ ev_child *w); |
765 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w); |
465 | void ev_child_stop (EV_P_ ev_child *w); |
766 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w); |
|
|
767 | # endif |
466 | |
768 | |
467 | # if EV_STAT_ENABLE |
769 | # if EV_STAT_ENABLE |
468 | void ev_stat_start (EV_P_ ev_stat *w); |
770 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w); |
469 | void ev_stat_stop (EV_P_ ev_stat *w); |
771 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w); |
470 | void ev_stat_stat (EV_P_ ev_stat *w); |
772 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w); |
471 | # endif |
773 | # endif |
472 | |
774 | |
|
|
775 | # if EV_IDLE_ENABLE |
473 | void ev_idle_start (EV_P_ ev_idle *w); |
776 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w); |
474 | void ev_idle_stop (EV_P_ ev_idle *w); |
777 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w); |
|
|
778 | # endif |
475 | |
779 | |
|
|
780 | #if EV_PREPARE_ENABLE |
476 | void ev_prepare_start (EV_P_ ev_prepare *w); |
781 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w); |
477 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
782 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w); |
|
|
783 | #endif |
478 | |
784 | |
|
|
785 | #if EV_CHECK_ENABLE |
479 | void ev_check_start (EV_P_ ev_check *w); |
786 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w); |
480 | void ev_check_stop (EV_P_ ev_check *w); |
787 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w); |
|
|
788 | #endif |
|
|
789 | |
|
|
790 | # if EV_FORK_ENABLE |
|
|
791 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w); |
|
|
792 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w); |
|
|
793 | # endif |
|
|
794 | |
|
|
795 | # if EV_CLEANUP_ENABLE |
|
|
796 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w); |
|
|
797 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
|
|
798 | # endif |
481 | |
799 | |
482 | # if EV_EMBED_ENABLE |
800 | # if EV_EMBED_ENABLE |
483 | /* only supported when loop to be embedded is in fact embeddable */ |
801 | /* only supported when loop to be embedded is in fact embeddable */ |
484 | void ev_embed_start (EV_P_ ev_embed *w); |
802 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w); |
485 | void ev_embed_stop (EV_P_ ev_embed *w); |
803 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w); |
486 | void ev_embed_sweep (EV_P_ ev_embed *w); |
804 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w); |
487 | # endif |
805 | # endif |
488 | |
806 | |
|
|
807 | # if EV_ASYNC_ENABLE |
|
|
808 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w); |
|
|
809 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w); |
|
|
810 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w); |
489 | #endif |
811 | # endif |
490 | |
812 | |
491 | #ifdef __cplusplus |
813 | #if EV_COMPAT3 |
492 | } |
814 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
|
|
815 | #define EVLOOP_ONESHOT EVRUN_ONCE |
|
|
816 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
|
|
817 | #define EVUNLOOP_ONE EVBREAK_ONE |
|
|
818 | #define EVUNLOOP_ALL EVBREAK_ALL |
|
|
819 | #if EV_PROTOTYPES |
|
|
820 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
|
|
821 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
|
|
822 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
|
|
823 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
|
|
824 | #if EV_FEATURE_API |
|
|
825 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
|
|
826 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
|
|
827 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
|
|
828 | #endif |
493 | #endif |
829 | #endif |
494 | |
830 | #else |
|
|
831 | typedef struct ev_loop ev_loop; |
495 | #endif |
832 | #endif |
496 | |
833 | |
|
|
834 | #endif |
|
|
835 | |
|
|
836 | EV_CPP(}) |
|
|
837 | |
|
|
838 | #endif |
|
|
839 | |