1 | /* |
1 | /* |
|
|
2 | * libev native API header |
|
|
3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
6 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
7 | * met: |
|
|
8 | * |
9 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
11 | * |
12 | * |
12 | * * Redistributions in binary form must reproduce the above |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * copyright notice, this list of conditions and the following |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * disclaimer in the documentation and/or other materials provided |
15 | * documentation and/or other materials provided with the distribution. |
15 | * with the distribution. |
|
|
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
|
22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
27 | * |
|
|
28 | * Alternatively, the contents of this file may be used under the terms of |
|
|
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
30 | * in which case the provisions of the GPL are applicable instead of |
|
|
31 | * the above. If you wish to allow the use of your version of this file |
|
|
32 | * only under the terms of the GPL and not to allow others to use your |
|
|
33 | * version of this file under the BSD license, indicate your decision |
|
|
34 | * by deleting the provisions above and replace them with the notice |
|
|
35 | * and other provisions required by the GPL. If you do not delete the |
|
|
36 | * provisions above, a recipient may use your version of this file under |
|
|
37 | * either the BSD or the GPL. |
28 | */ |
38 | */ |
29 | |
39 | |
30 | #ifndef EV_H__ |
40 | #ifndef EV_H_ |
31 | #define EV_H__ |
41 | #define EV_H_ |
32 | |
42 | |
33 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
34 | extern "C" { |
44 | # define EV_CPP(x) x |
|
|
45 | # if __cplusplus >= 201103L |
|
|
46 | # define EV_THROW noexcept |
|
|
47 | # else |
|
|
48 | # define EV_THROW throw () |
35 | #endif |
49 | # endif |
|
|
50 | #else |
|
|
51 | # define EV_CPP(x) |
|
|
52 | # define EV_THROW |
|
|
53 | #endif |
|
|
54 | |
|
|
55 | EV_CPP(extern "C" {) |
|
|
56 | |
|
|
57 | /*****************************************************************************/ |
|
|
58 | |
|
|
59 | /* pre-4.0 compatibility */ |
|
|
60 | #ifndef EV_COMPAT3 |
|
|
61 | # define EV_COMPAT3 1 |
|
|
62 | #endif |
|
|
63 | |
|
|
64 | #ifndef EV_FEATURES |
|
|
65 | # if defined __OPTIMIZE_SIZE__ |
|
|
66 | # define EV_FEATURES 0x7c |
|
|
67 | # else |
|
|
68 | # define EV_FEATURES 0x7f |
|
|
69 | # endif |
|
|
70 | #endif |
|
|
71 | |
|
|
72 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
|
|
73 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
|
|
74 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
|
|
75 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
|
|
76 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
|
|
77 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
|
|
78 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
|
|
79 | |
|
|
80 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
|
|
81 | #ifndef EV_MINPRI |
|
|
82 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
|
|
83 | #endif |
|
|
84 | #ifndef EV_MAXPRI |
|
|
85 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
|
|
86 | #endif |
|
|
87 | |
|
|
88 | #ifndef EV_MULTIPLICITY |
|
|
89 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
|
|
90 | #endif |
|
|
91 | |
|
|
92 | #ifndef EV_PERIODIC_ENABLE |
|
|
93 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
|
|
94 | #endif |
|
|
95 | |
|
|
96 | #ifndef EV_STAT_ENABLE |
|
|
97 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
|
|
98 | #endif |
|
|
99 | |
|
|
100 | #ifndef EV_PREPARE_ENABLE |
|
|
101 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
|
|
102 | #endif |
|
|
103 | |
|
|
104 | #ifndef EV_CHECK_ENABLE |
|
|
105 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
|
|
106 | #endif |
|
|
107 | |
|
|
108 | #ifndef EV_IDLE_ENABLE |
|
|
109 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
|
|
110 | #endif |
|
|
111 | |
|
|
112 | #ifndef EV_FORK_ENABLE |
|
|
113 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
|
|
114 | #endif |
|
|
115 | |
|
|
116 | #ifndef EV_CLEANUP_ENABLE |
|
|
117 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
|
|
118 | #endif |
|
|
119 | |
|
|
120 | #ifndef EV_SIGNAL_ENABLE |
|
|
121 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
|
|
122 | #endif |
|
|
123 | |
|
|
124 | #ifndef EV_CHILD_ENABLE |
|
|
125 | # ifdef _WIN32 |
|
|
126 | # define EV_CHILD_ENABLE 0 |
|
|
127 | # else |
|
|
128 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
|
|
129 | #endif |
|
|
130 | #endif |
|
|
131 | |
|
|
132 | #ifndef EV_ASYNC_ENABLE |
|
|
133 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
|
|
134 | #endif |
|
|
135 | |
|
|
136 | #ifndef EV_EMBED_ENABLE |
|
|
137 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
|
|
138 | #endif |
|
|
139 | |
|
|
140 | #ifndef EV_WALK_ENABLE |
|
|
141 | # define EV_WALK_ENABLE 0 /* not yet */ |
|
|
142 | #endif |
|
|
143 | |
|
|
144 | /*****************************************************************************/ |
|
|
145 | |
|
|
146 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
|
|
147 | # undef EV_SIGNAL_ENABLE |
|
|
148 | # define EV_SIGNAL_ENABLE 1 |
|
|
149 | #endif |
|
|
150 | |
|
|
151 | /*****************************************************************************/ |
36 | |
152 | |
37 | typedef double ev_tstamp; |
153 | typedef double ev_tstamp; |
38 | |
154 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
155 | #include <string.h> /* for memmove */ |
40 | #ifndef EV_MINPRI |
|
|
41 | # define EV_MINPRI -2 |
|
|
42 | #endif |
|
|
43 | #ifndef EV_MAXPRI |
|
|
44 | # define EV_MAXPRI +2 |
|
|
45 | #endif |
|
|
46 | |
156 | |
47 | #ifndef EV_MULTIPLICITY |
157 | #ifndef EV_ATOMIC_T |
48 | # define EV_MULTIPLICITY 1 |
158 | # include <signal.h> |
|
|
159 | # define EV_ATOMIC_T sig_atomic_t volatile |
49 | #endif |
160 | #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_IDLE_ENABLE |
|
|
60 | # define EV_IDLE_ENABLE 1 |
|
|
61 | #endif |
|
|
62 | |
|
|
63 | #ifndef EV_FORK_ENABLE |
|
|
64 | # define EV_FORK_ENABLE 1 |
|
|
65 | #endif |
|
|
66 | |
|
|
67 | #ifndef EV_EMBED_ENABLE |
|
|
68 | # define EV_EMBED_ENABLE 1 |
|
|
69 | #endif |
|
|
70 | |
|
|
71 | /*****************************************************************************/ |
|
|
72 | |
161 | |
73 | #if EV_STAT_ENABLE |
162 | #if EV_STAT_ENABLE |
|
|
163 | # ifdef _WIN32 |
|
|
164 | # include <time.h> |
|
|
165 | # include <sys/types.h> |
|
|
166 | # endif |
74 | # include <sys/stat.h> |
167 | # include <sys/stat.h> |
75 | #endif |
168 | #endif |
76 | |
169 | |
77 | /* support multiple event loops? */ |
170 | /* support multiple event loops? */ |
78 | #if EV_MULTIPLICITY |
171 | #if EV_MULTIPLICITY |
79 | struct ev_loop; |
172 | struct ev_loop; |
80 | # define EV_P struct ev_loop *loop |
173 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
81 | # define EV_P_ EV_P, |
174 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
82 | # define EV_A loop |
175 | # define EV_A loop /* a loop as sole argument to a function call */ |
83 | # define EV_A_ EV_A, |
176 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
84 | # define EV_DEFAULT ev_default_loop (0) |
177 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
85 | # define EV_DEFAULT_ EV_DEFAULT, |
178 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
|
|
179 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
|
|
180 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
86 | #else |
181 | #else |
87 | # define EV_P void |
182 | # define EV_P void |
88 | # define EV_P_ |
183 | # define EV_P_ |
89 | # define EV_A |
184 | # define EV_A |
90 | # define EV_A_ |
185 | # define EV_A_ |
91 | # define EV_DEFAULT |
186 | # define EV_DEFAULT |
92 | # define EV_DEFAULT_ |
187 | # define EV_DEFAULT_ |
93 | |
188 | # define EV_DEFAULT_UC |
|
|
189 | # define EV_DEFAULT_UC_ |
94 | # undef EV_EMBED_ENABLE |
190 | # undef EV_EMBED_ENABLE |
95 | #endif |
191 | #endif |
96 | |
192 | |
|
|
193 | /* EV_INLINE is used for functions in header files */ |
|
|
194 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
|
|
195 | # define EV_INLINE static inline |
|
|
196 | #else |
|
|
197 | # define EV_INLINE static |
|
|
198 | #endif |
|
|
199 | |
|
|
200 | #ifdef EV_API_STATIC |
|
|
201 | # define EV_API_DECL static |
|
|
202 | #else |
|
|
203 | # define EV_API_DECL extern |
|
|
204 | #endif |
|
|
205 | |
|
|
206 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
|
|
207 | #ifndef EV_PROTOTYPES |
|
|
208 | # define EV_PROTOTYPES 1 |
|
|
209 | #endif |
|
|
210 | |
|
|
211 | /*****************************************************************************/ |
|
|
212 | |
|
|
213 | #define EV_VERSION_MAJOR 4 |
|
|
214 | #define EV_VERSION_MINOR 22 |
|
|
215 | |
97 | /* eventmask, revents, events... */ |
216 | /* eventmask, revents, events... */ |
98 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
217 | enum { |
|
|
218 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
99 | #define EV_NONE 0x00L /* no events */ |
219 | EV_NONE = 0x00, /* no events */ |
100 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
220 | EV_READ = 0x01, /* ev_io detected read will not block */ |
101 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
221 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
102 | #define EV_IOFDSET 0x80L /* internal use only */ |
222 | EV__IOFDSET = 0x80, /* internal use only */ |
|
|
223 | EV_IO = EV_READ, /* alias for type-detection */ |
103 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
224 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
|
225 | #if EV_COMPAT3 |
|
|
226 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
|
227 | #endif |
104 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
228 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
105 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
229 | EV_SIGNAL = 0x00000400, /* signal was received */ |
106 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
230 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
107 | #define EV_STAT 0x00001000L /* stat data changed */ |
231 | EV_STAT = 0x00001000, /* stat data changed */ |
108 | #define EV_IDLE 0x00002000L /* event loop is idling */ |
232 | EV_IDLE = 0x00002000, /* event loop is idling */ |
109 | #define EV_PREPARE 0x00004000L /* event loop about to poll */ |
233 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
110 | #define EV_CHECK 0x00008000L /* event loop finished poll */ |
234 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
111 | #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
235 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
112 | #define EV_FORK 0x00020000L /* event loop resumed in child */ |
236 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
|
|
237 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
|
|
238 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
|
|
239 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
113 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
240 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
|
|
241 | }; |
114 | |
242 | |
115 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
243 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
116 | #ifndef EV_COMMON |
244 | #ifndef EV_COMMON |
117 | # define EV_COMMON void *data; |
245 | # define EV_COMMON void *data; |
118 | #endif |
246 | #endif |
119 | #ifndef EV_PROTOTYPES |
|
|
120 | # define EV_PROTOTYPES 1 |
|
|
121 | #endif |
|
|
122 | |
|
|
123 | #define EV_VERSION_MAJOR 1 |
|
|
124 | #define EV_VERSION_MINOR 0 |
|
|
125 | |
247 | |
126 | #ifndef EV_CB_DECLARE |
248 | #ifndef EV_CB_DECLARE |
127 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
249 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
128 | #endif |
250 | #endif |
129 | #ifndef EV_CB_INVOKE |
251 | #ifndef EV_CB_INVOKE |
130 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
252 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
131 | #endif |
253 | #endif |
132 | |
254 | |
|
|
255 | /* not official, do not use */ |
|
|
256 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
|
|
257 | |
133 | /* |
258 | /* |
134 | * struct member types: |
259 | * struct member types: |
135 | * private: you can look at them, but not change them, and they might not mean anything to you. |
260 | * private: you may look at them, but not change them, |
|
|
261 | * and they might not mean anything to you. |
136 | * ro: can be read anytime, but only changed when the watcher isn't active |
262 | * ro: can be read anytime, but only changed when the watcher isn't active. |
137 | * rw: can be read and modified anytime, even when the watcher is active |
263 | * rw: can be read and modified anytime, even when the watcher is active. |
|
|
264 | * |
|
|
265 | * some internal details that might be helpful for debugging: |
|
|
266 | * |
|
|
267 | * active is either 0, which means the watcher is not active, |
|
|
268 | * or the array index of the watcher (periodics, timers) |
|
|
269 | * or the array index + 1 (most other watchers) |
|
|
270 | * or simply 1 for watchers that aren't in some array. |
|
|
271 | * pending is either 0, in which case the watcher isn't, |
|
|
272 | * or the array index + 1 in the pendings array. |
138 | */ |
273 | */ |
|
|
274 | |
|
|
275 | #if EV_MINPRI == EV_MAXPRI |
|
|
276 | # define EV_DECL_PRIORITY |
|
|
277 | #elif !defined (EV_DECL_PRIORITY) |
|
|
278 | # define EV_DECL_PRIORITY int priority; |
|
|
279 | #endif |
139 | |
280 | |
140 | /* shared by all watchers */ |
281 | /* shared by all watchers */ |
141 | #define EV_WATCHER(type) \ |
282 | #define EV_WATCHER(type) \ |
142 | int active; /* private */ \ |
283 | int active; /* private */ \ |
143 | int pending; /* private */ \ |
284 | int pending; /* private */ \ |
144 | int priority; /* private */ \ |
285 | EV_DECL_PRIORITY /* private */ \ |
145 | EV_COMMON /* rw */ \ |
286 | EV_COMMON /* rw */ \ |
146 | EV_CB_DECLARE (type) /* private */ |
287 | EV_CB_DECLARE (type) /* private */ |
147 | |
288 | |
148 | #define EV_WATCHER_LIST(type) \ |
289 | #define EV_WATCHER_LIST(type) \ |
149 | EV_WATCHER (type) \ |
290 | EV_WATCHER (type) \ |
… | |
… | |
196 | { |
337 | { |
197 | EV_WATCHER_TIME (ev_periodic) |
338 | EV_WATCHER_TIME (ev_periodic) |
198 | |
339 | |
199 | ev_tstamp offset; /* rw */ |
340 | ev_tstamp offset; /* rw */ |
200 | ev_tstamp interval; /* rw */ |
341 | ev_tstamp interval; /* rw */ |
201 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
342 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
202 | } ev_periodic; |
343 | } ev_periodic; |
203 | |
344 | |
204 | /* invoked when the given signal has been received */ |
345 | /* invoked when the given signal has been received */ |
205 | /* revent EV_SIGNAL */ |
346 | /* revent EV_SIGNAL */ |
206 | typedef struct ev_signal |
347 | typedef struct ev_signal |
… | |
… | |
215 | /* does not support priorities */ |
356 | /* does not support priorities */ |
216 | typedef struct ev_child |
357 | typedef struct ev_child |
217 | { |
358 | { |
218 | EV_WATCHER_LIST (ev_child) |
359 | EV_WATCHER_LIST (ev_child) |
219 | |
360 | |
|
|
361 | int flags; /* private */ |
220 | int pid; /* ro */ |
362 | int pid; /* ro */ |
221 | int rpid; /* rw, holds the received pid */ |
363 | int rpid; /* rw, holds the received pid */ |
222 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
364 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
223 | } ev_child; |
365 | } ev_child; |
224 | |
366 | |
… | |
… | |
270 | EV_WATCHER (ev_check) |
412 | EV_WATCHER (ev_check) |
271 | } ev_check; |
413 | } ev_check; |
272 | |
414 | |
273 | #if EV_FORK_ENABLE |
415 | #if EV_FORK_ENABLE |
274 | /* the callback gets invoked before check in the child process when a fork was detected */ |
416 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
417 | /* revent EV_FORK */ |
275 | typedef struct ev_fork |
418 | typedef struct ev_fork |
276 | { |
419 | { |
277 | EV_WATCHER (ev_fork) |
420 | EV_WATCHER (ev_fork) |
278 | } ev_fork; |
421 | } ev_fork; |
|
|
422 | #endif |
|
|
423 | |
|
|
424 | #if EV_CLEANUP_ENABLE |
|
|
425 | /* is invoked just before the loop gets destroyed */ |
|
|
426 | /* revent EV_CLEANUP */ |
|
|
427 | typedef struct ev_cleanup |
|
|
428 | { |
|
|
429 | EV_WATCHER (ev_cleanup) |
|
|
430 | } ev_cleanup; |
279 | #endif |
431 | #endif |
280 | |
432 | |
281 | #if EV_EMBED_ENABLE |
433 | #if EV_EMBED_ENABLE |
282 | /* used to embed an event loop inside another */ |
434 | /* used to embed an event loop inside another */ |
283 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
435 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
284 | typedef struct ev_embed |
436 | typedef struct ev_embed |
285 | { |
437 | { |
286 | EV_WATCHER (ev_embed) |
438 | EV_WATCHER (ev_embed) |
287 | |
439 | |
288 | ev_io io; /* private */ |
|
|
289 | struct ev_loop *loop; /* ro */ |
440 | struct ev_loop *other; /* ro */ |
|
|
441 | ev_io io; /* private */ |
|
|
442 | ev_prepare prepare; /* private */ |
|
|
443 | ev_check check; /* unused */ |
|
|
444 | ev_timer timer; /* unused */ |
|
|
445 | ev_periodic periodic; /* unused */ |
|
|
446 | ev_idle idle; /* unused */ |
|
|
447 | ev_fork fork; /* private */ |
|
|
448 | #if EV_CLEANUP_ENABLE |
|
|
449 | ev_cleanup cleanup; /* unused */ |
|
|
450 | #endif |
290 | } ev_embed; |
451 | } ev_embed; |
|
|
452 | #endif |
|
|
453 | |
|
|
454 | #if EV_ASYNC_ENABLE |
|
|
455 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
456 | /* revent EV_ASYNC */ |
|
|
457 | typedef struct ev_async |
|
|
458 | { |
|
|
459 | EV_WATCHER (ev_async) |
|
|
460 | |
|
|
461 | EV_ATOMIC_T sent; /* private */ |
|
|
462 | } ev_async; |
|
|
463 | |
|
|
464 | # define ev_async_pending(w) (+(w)->sent) |
291 | #endif |
465 | #endif |
292 | |
466 | |
293 | /* the presence of this union forces similar struct layout */ |
467 | /* the presence of this union forces similar struct layout */ |
294 | union ev_any_watcher |
468 | union ev_any_watcher |
295 | { |
469 | { |
… | |
… | |
310 | struct ev_prepare prepare; |
484 | struct ev_prepare prepare; |
311 | struct ev_check check; |
485 | struct ev_check check; |
312 | #if EV_FORK_ENABLE |
486 | #if EV_FORK_ENABLE |
313 | struct ev_fork fork; |
487 | struct ev_fork fork; |
314 | #endif |
488 | #endif |
|
|
489 | #if EV_CLEANUP_ENABLE |
|
|
490 | struct ev_cleanup cleanup; |
|
|
491 | #endif |
315 | #if EV_EMBED_ENABLE |
492 | #if EV_EMBED_ENABLE |
316 | struct ev_embed embed; |
493 | struct ev_embed embed; |
317 | #endif |
494 | #endif |
|
|
495 | #if EV_ASYNC_ENABLE |
|
|
496 | struct ev_async async; |
|
|
497 | #endif |
318 | }; |
498 | }; |
319 | |
499 | |
320 | /* bits for ev_default_loop and ev_loop_new */ |
500 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
501 | enum { |
321 | /* the default */ |
502 | /* the default */ |
322 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
503 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
323 | /* flag bits */ |
504 | /* flag bits */ |
324 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
505 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
325 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
506 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
507 | /* debugging/feature disable */ |
|
|
508 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
509 | #if EV_COMPAT3 |
|
|
510 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
511 | #endif |
|
|
512 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
513 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
|
|
514 | }; |
|
|
515 | |
326 | /* method bits to be ored together */ |
516 | /* method bits to be ored together */ |
|
|
517 | enum { |
327 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
518 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
328 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
519 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
329 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
520 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
330 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
521 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
331 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
522 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
332 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
523 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
524 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
525 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
526 | }; |
333 | |
527 | |
334 | #if EV_PROTOTYPES |
528 | #if EV_PROTOTYPES |
335 | int ev_version_major (void); |
529 | EV_API_DECL int ev_version_major (void) EV_THROW; |
336 | int ev_version_minor (void); |
530 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
337 | |
531 | |
338 | unsigned int ev_supported_backends (void); |
532 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
339 | unsigned int ev_recommended_backends (void); |
533 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
340 | unsigned int ev_embeddable_backends (void); |
534 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
341 | |
535 | |
342 | ev_tstamp ev_time (void); |
536 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
|
|
537 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
343 | |
538 | |
344 | /* Sets the allocation function to use, works like realloc. |
539 | /* Sets the allocation function to use, works like realloc. |
345 | * It is used to allocate and free memory. |
540 | * It is used to allocate and free memory. |
346 | * If it returns zero when memory needs to be allocated, the library might abort |
541 | * If it returns zero when memory needs to be allocated, the library might abort |
347 | * or take some potentially destructive action. |
542 | * or take some potentially destructive action. |
348 | * The default is your system realloc function. |
543 | * The default is your system realloc function. |
349 | */ |
544 | */ |
350 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
545 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
351 | |
546 | |
352 | /* set the callback function to call on a |
547 | /* set the callback function to call on a |
353 | * retryable syscall error |
548 | * retryable syscall error |
354 | * (such as failed select, poll, epoll_wait) |
549 | * (such as failed select, poll, epoll_wait) |
355 | */ |
550 | */ |
356 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
551 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
357 | |
552 | |
358 | # if EV_MULTIPLICITY |
553 | #if EV_MULTIPLICITY |
|
|
554 | |
359 | /* the default loop is the only one that handles signals and child watchers */ |
555 | /* the default loop is the only one that handles signals and child watchers */ |
360 | /* you can call this as often as you like */ |
556 | /* you can call this as often as you like */ |
361 | static struct ev_loop * |
557 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
362 | ev_default_loop (unsigned int flags) |
558 | |
|
|
559 | #ifdef EV_API_STATIC |
|
|
560 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
561 | #endif |
|
|
562 | |
|
|
563 | EV_INLINE struct ev_loop * |
|
|
564 | ev_default_loop_uc_ (void) EV_THROW |
363 | { |
565 | { |
364 | extern struct ev_loop *ev_default_loop_ptr; |
566 | extern struct ev_loop *ev_default_loop_ptr; |
365 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
366 | |
|
|
367 | if (!ev_default_loop_ptr) |
|
|
368 | ev_default_loop_init (flags); |
|
|
369 | |
567 | |
370 | return ev_default_loop_ptr; |
568 | return ev_default_loop_ptr; |
371 | } |
569 | } |
372 | |
570 | |
|
|
571 | EV_INLINE int |
|
|
572 | ev_is_default_loop (EV_P) EV_THROW |
|
|
573 | { |
|
|
574 | return EV_A == EV_DEFAULT_UC; |
|
|
575 | } |
|
|
576 | |
373 | /* create and destroy alternative loops that don't handle signals */ |
577 | /* create and destroy alternative loops that don't handle signals */ |
374 | struct ev_loop *ev_loop_new (unsigned int flags); |
578 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
375 | void ev_loop_destroy (EV_P); |
|
|
376 | void ev_loop_fork (EV_P); |
|
|
377 | |
579 | |
378 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
580 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
379 | |
581 | |
380 | # else |
582 | #else |
381 | |
583 | |
382 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
584 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
383 | |
585 | |
384 | static ev_tstamp |
586 | EV_API_DECL ev_tstamp ev_rt_now; |
385 | ev_now (void) |
|
|
386 | { |
|
|
387 | extern ev_tstamp ev_rt_now; |
|
|
388 | |
587 | |
|
|
588 | EV_INLINE ev_tstamp |
|
|
589 | ev_now (void) EV_THROW |
|
|
590 | { |
389 | return ev_rt_now; |
591 | return ev_rt_now; |
390 | } |
592 | } |
391 | # endif |
|
|
392 | |
593 | |
393 | void ev_default_destroy (void); /* destroy the default loop */ |
594 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
595 | EV_INLINE int |
|
|
596 | ev_is_default_loop (void) EV_THROW |
|
|
597 | { |
|
|
598 | return 1; |
|
|
599 | } |
|
|
600 | |
|
|
601 | #endif /* multiplicity */ |
|
|
602 | |
|
|
603 | /* destroy event loops, also works for the default loop */ |
|
|
604 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
605 | |
394 | /* this needs to be called after fork, to duplicate the default loop */ |
606 | /* this needs to be called after fork, to duplicate the loop */ |
395 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
607 | /* when you want to re-use it in the child */ |
396 | /* you can call it in either the parent or the child */ |
608 | /* you can call it in either the parent or the child */ |
397 | /* you can actually call it at any time, anywhere :) */ |
609 | /* you can actually call it at any time, anywhere :) */ |
398 | void ev_default_fork (void); |
610 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
399 | |
611 | |
400 | unsigned int ev_backend (EV_P); |
612 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
401 | unsigned int ev_loop_count (EV_P); |
|
|
402 | #endif |
|
|
403 | |
613 | |
404 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
614 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
405 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
615 | |
406 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
616 | #if EV_WALK_ENABLE |
407 | #define EVUNLOOP_ONE 1 /* unloop once */ |
617 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
618 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
619 | /* but do nothing else with the loop */ |
|
|
620 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
|
|
621 | #endif |
|
|
622 | |
|
|
623 | #endif /* prototypes */ |
|
|
624 | |
|
|
625 | /* ev_run flags values */ |
|
|
626 | enum { |
|
|
627 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
628 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
629 | }; |
|
|
630 | |
|
|
631 | /* ev_break how values */ |
|
|
632 | enum { |
|
|
633 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
634 | EVBREAK_ONE = 1, /* unloop once */ |
408 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
635 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
636 | }; |
409 | |
637 | |
410 | #if EV_PROTOTYPES |
638 | #if EV_PROTOTYPES |
411 | void ev_loop (EV_P_ int flags); |
639 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
412 | 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 */ |
640 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
413 | |
641 | |
414 | /* |
642 | /* |
415 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
643 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
416 | * keeps one reference. if you have a long-runing watcher you never unregister that |
644 | * keeps one reference. if you have a long-running watcher you never unregister that |
417 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
645 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
418 | */ |
646 | */ |
419 | void ev_ref (EV_P); |
647 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
420 | void ev_unref (EV_P); |
648 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
421 | |
649 | |
|
|
650 | /* |
422 | /* convinience function, wait for a single event, without registering an event watcher */ |
651 | * convenience function, wait for a single event, without registering an event watcher |
423 | /* if timeout is < 0, do wait indefinitely */ |
652 | * if timeout is < 0, do wait indefinitely |
|
|
653 | */ |
424 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
654 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW; |
|
|
655 | |
|
|
656 | # if EV_FEATURE_API |
|
|
657 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
|
|
658 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
|
|
659 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
|
|
660 | |
|
|
661 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
662 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
663 | |
|
|
664 | /* advanced stuff for threading etc. support, see docs */ |
|
|
665 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
|
|
666 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
|
|
667 | typedef void (*ev_loop_callback)(EV_P); |
|
|
668 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
|
|
669 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
|
|
670 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW; |
|
|
671 | |
|
|
672 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
|
|
673 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
674 | |
|
|
675 | /* |
|
|
676 | * stop/start the timer handling. |
|
|
677 | */ |
|
|
678 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
|
|
679 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
|
|
680 | #endif |
|
|
681 | |
425 | #endif |
682 | #endif |
426 | |
683 | |
427 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
684 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
428 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
685 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
429 | #define ev_init(ev,cb_) do { \ |
686 | #define ev_init(ev,cb_) do { \ |
430 | ((ev_watcher *)(void *)(ev))->active = \ |
687 | ((ev_watcher *)(void *)(ev))->active = \ |
431 | ((ev_watcher *)(void *)(ev))->pending = \ |
688 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
432 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
689 | ev_set_priority ((ev), 0); \ |
433 | ev_set_cb ((ev), cb_); \ |
690 | ev_set_cb ((ev), cb_); \ |
434 | } while (0) |
691 | } while (0) |
435 | |
692 | |
436 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
693 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
437 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
694 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
438 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
695 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
439 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
696 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
440 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
697 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
441 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
698 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
442 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
699 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
443 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
700 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
444 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
701 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
445 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
702 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
446 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
703 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
704 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
705 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
447 | |
706 | |
448 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
707 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
449 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
708 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
450 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
709 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
451 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
710 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
452 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
711 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
453 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
712 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
454 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
713 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
455 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
714 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
456 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
715 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
457 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
716 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
458 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
717 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
|
|
718 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
|
|
719 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
459 | |
720 | |
460 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
721 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
461 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
722 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
462 | |
723 | |
463 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
|
|
464 | #define ev_cb(ev) (ev)->cb /* rw */ |
724 | #define ev_cb_(ev) (ev)->cb /* rw */ |
|
|
725 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
|
|
726 | |
|
|
727 | #if EV_MINPRI == EV_MAXPRI |
|
|
728 | # define ev_priority(ev) ((ev), EV_MINPRI) |
|
|
729 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
|
|
730 | #else |
|
|
731 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
465 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
732 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
|
|
733 | #endif |
|
|
734 | |
|
|
735 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
466 | |
736 | |
467 | #ifndef ev_set_cb |
737 | #ifndef ev_set_cb |
468 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
738 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
469 | #endif |
739 | #endif |
470 | |
740 | |
471 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
741 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
472 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
742 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
473 | #if EV_PROTOTYPES |
743 | #if EV_PROTOTYPES |
474 | |
744 | |
475 | /* feeds an event into a watcher as if the event actually occured */ |
745 | /* feeds an event into a watcher as if the event actually occurred */ |
476 | /* accepts any ev_watcher type */ |
746 | /* accepts any ev_watcher type */ |
477 | void ev_feed_event (EV_P_ void *w, int revents); |
747 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
478 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
748 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
|
|
749 | #if EV_SIGNAL_ENABLE |
|
|
750 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
479 | void ev_feed_signal_event (EV_P_ int signum); |
751 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
|
|
752 | #endif |
480 | void ev_invoke (EV_P_ void *w, int revents); |
753 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
481 | int ev_clear_pending (EV_P_ void *w); |
754 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
482 | |
755 | |
483 | void ev_io_start (EV_P_ ev_io *w); |
756 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
484 | void ev_io_stop (EV_P_ ev_io *w); |
757 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
485 | |
758 | |
486 | void ev_timer_start (EV_P_ ev_timer *w); |
759 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
487 | void ev_timer_stop (EV_P_ ev_timer *w); |
760 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
488 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
761 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
489 | void ev_timer_again (EV_P_ ev_timer *w); |
762 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
|
|
763 | /* return remaining time */ |
|
|
764 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
490 | |
765 | |
491 | #if EV_PERIODIC_ENABLE |
766 | #if EV_PERIODIC_ENABLE |
492 | void ev_periodic_start (EV_P_ ev_periodic *w); |
767 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
493 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
768 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
494 | void ev_periodic_again (EV_P_ ev_periodic *w); |
769 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
495 | #endif |
770 | #endif |
496 | |
771 | |
497 | /* only supported in the default loop */ |
772 | /* only supported in the default loop */ |
|
|
773 | #if EV_SIGNAL_ENABLE |
498 | void ev_signal_start (EV_P_ ev_signal *w); |
774 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
499 | void ev_signal_stop (EV_P_ ev_signal *w); |
775 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
|
|
776 | #endif |
500 | |
777 | |
501 | /* only supported in the default loop */ |
778 | /* only supported in the default loop */ |
|
|
779 | # if EV_CHILD_ENABLE |
502 | void ev_child_start (EV_P_ ev_child *w); |
780 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
503 | void ev_child_stop (EV_P_ ev_child *w); |
781 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
|
|
782 | # endif |
504 | |
783 | |
505 | # if EV_STAT_ENABLE |
784 | # if EV_STAT_ENABLE |
506 | void ev_stat_start (EV_P_ ev_stat *w); |
785 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
507 | void ev_stat_stop (EV_P_ ev_stat *w); |
786 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
508 | void ev_stat_stat (EV_P_ ev_stat *w); |
787 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
509 | # endif |
788 | # endif |
510 | |
789 | |
511 | # if EV_IDLE_ENABLE |
790 | # if EV_IDLE_ENABLE |
512 | void ev_idle_start (EV_P_ ev_idle *w); |
791 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
513 | void ev_idle_stop (EV_P_ ev_idle *w); |
792 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
|
|
793 | # endif |
|
|
794 | |
|
|
795 | #if EV_PREPARE_ENABLE |
|
|
796 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
|
|
797 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
514 | # endif |
798 | #endif |
515 | |
799 | |
516 | void ev_prepare_start (EV_P_ ev_prepare *w); |
800 | #if EV_CHECK_ENABLE |
517 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
|
|
518 | |
|
|
519 | void ev_check_start (EV_P_ ev_check *w); |
801 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
520 | void ev_check_stop (EV_P_ ev_check *w); |
802 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
|
|
803 | #endif |
521 | |
804 | |
522 | # if EV_FORK_ENABLE |
805 | # if EV_FORK_ENABLE |
523 | void ev_fork_start (EV_P_ ev_fork *w); |
806 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
524 | void ev_fork_stop (EV_P_ ev_fork *w); |
807 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
|
|
808 | # endif |
|
|
809 | |
|
|
810 | # if EV_CLEANUP_ENABLE |
|
|
811 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
|
|
812 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
525 | # endif |
813 | # endif |
526 | |
814 | |
527 | # if EV_EMBED_ENABLE |
815 | # if EV_EMBED_ENABLE |
528 | /* only supported when loop to be embedded is in fact embeddable */ |
816 | /* only supported when loop to be embedded is in fact embeddable */ |
529 | void ev_embed_start (EV_P_ ev_embed *w); |
817 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
530 | void ev_embed_stop (EV_P_ ev_embed *w); |
818 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
531 | void ev_embed_sweep (EV_P_ ev_embed *w); |
819 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
532 | # endif |
|
|
533 | |
|
|
534 | #endif |
820 | # endif |
535 | |
821 | |
536 | #ifdef __cplusplus |
822 | # if EV_ASYNC_ENABLE |
537 | } |
823 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
|
|
824 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
|
|
825 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
538 | #endif |
826 | # endif |
539 | |
827 | |
|
|
828 | #if EV_COMPAT3 |
|
|
829 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
|
|
830 | #define EVLOOP_ONESHOT EVRUN_ONCE |
|
|
831 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
|
|
832 | #define EVUNLOOP_ONE EVBREAK_ONE |
|
|
833 | #define EVUNLOOP_ALL EVBREAK_ALL |
|
|
834 | #if EV_PROTOTYPES |
|
|
835 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
|
|
836 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
|
|
837 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
|
|
838 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
|
|
839 | #if EV_FEATURE_API |
|
|
840 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
|
|
841 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
|
|
842 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
|
|
843 | #endif |
540 | #endif |
844 | #endif |
|
|
845 | #else |
|
|
846 | typedef struct ev_loop ev_loop; |
|
|
847 | #endif |
541 | |
848 | |
|
|
849 | #endif |
|
|
850 | |
|
|
851 | EV_CPP(}) |
|
|
852 | |
|
|
853 | #endif |
|
|
854 | |