… | |
… | |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | |
29 | |
30 | #ifndef EV_H |
30 | #ifndef EV_H__ |
31 | #define EV_H |
31 | #define EV_H__ |
32 | |
32 | |
33 | #ifdef __cplusplus |
33 | #ifdef __cplusplus |
34 | extern "C" { |
34 | extern "C" { |
35 | #endif |
35 | #endif |
36 | |
36 | |
… | |
… | |
44 | # define EV_MAXPRI +2 |
44 | # define EV_MAXPRI +2 |
45 | #endif |
45 | #endif |
46 | |
46 | |
47 | #ifndef EV_MULTIPLICITY |
47 | #ifndef EV_MULTIPLICITY |
48 | # define EV_MULTIPLICITY 1 |
48 | # define EV_MULTIPLICITY 1 |
|
|
49 | #endif |
|
|
50 | |
|
|
51 | #ifndef EV_PERIODICS |
|
|
52 | # define EV_PERIODICS 1 |
49 | #endif |
53 | #endif |
50 | |
54 | |
51 | /* support multiple event loops? */ |
55 | /* support multiple event loops? */ |
52 | #if EV_MULTIPLICITY |
56 | #if EV_MULTIPLICITY |
53 | struct ev_loop; |
57 | struct ev_loop; |
54 | # define EV_P struct ev_loop *loop |
58 | # define EV_P struct ev_loop *loop |
55 | # define EV_P_ EV_P, |
59 | # define EV_P_ EV_P, |
56 | # define EV_A loop |
60 | # define EV_A loop |
57 | # define EV_A_ EV_A, |
61 | # define EV_A_ EV_A, |
|
|
62 | # define EV_DEFAULT_A ev_default_loop (0) |
|
|
63 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
58 | #else |
64 | #else |
59 | # define EV_P void |
65 | # define EV_P void |
60 | # define EV_P_ |
66 | # define EV_P_ |
61 | # define EV_A |
67 | # define EV_A |
62 | # define EV_A_ |
68 | # define EV_A_ |
|
|
69 | # define EV_DEFAULT_A |
|
|
70 | # define EV_DEFAULT_A_ |
63 | #endif |
71 | #endif |
64 | |
72 | |
65 | /* eventmask, revents, events... */ |
73 | /* eventmask, revents, events... */ |
66 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
74 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
67 | #define EV_NONE 0x00 |
75 | #define EV_NONE 0x00L |
68 | #define EV_READ 0x01 |
76 | #define EV_READ 0x01L /* io only */ |
69 | #define EV_WRITE 0x02 |
77 | #define EV_WRITE 0x02L /* io only */ |
70 | #define EV_TIMEOUT 0x000100 |
78 | #define EV_TIMEOUT 0x000100L /* timer only */ |
71 | #define EV_PERIODIC 0x000200 |
79 | #define EV_PERIODIC 0x000200L /* periodic timer only */ |
72 | #define EV_SIGNAL 0x000400 |
80 | #define EV_SIGNAL 0x000400L /* signal only */ |
73 | #define EV_IDLE 0x000800 |
81 | #define EV_IDLE 0x000800L /* idle only */ |
74 | #define EV_CHECK 0x001000 |
82 | #define EV_CHECK 0x001000L /* check only */ |
75 | #define EV_PREPARE 0x002000 |
83 | #define EV_PREPARE 0x002000L /* prepare only */ |
76 | #define EV_CHILD 0x004000 |
84 | #define EV_CHILD 0x004000L /* child/pid only */ |
|
|
85 | #define EV_EMBED 0x008000L /* embedded event loop */ |
77 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
86 | #define EV_ERROR 0x800000L /* sent when an error occurs */ |
78 | |
87 | |
79 | /* can be used to add custom fields to all watchers */ |
88 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
80 | #ifndef EV_COMMON |
89 | #ifndef EV_COMMON |
81 | # define EV_COMMON void *data |
90 | # define EV_COMMON void *data; |
82 | #endif |
91 | #endif |
83 | #ifndef EV_PROTOTYPES |
92 | #ifndef EV_PROTOTYPES |
84 | # define EV_PROTOTYPES 1 |
93 | # define EV_PROTOTYPES 1 |
85 | #endif |
94 | #endif |
86 | |
95 | |
87 | #define EV_VERSION_MAJOR 1 |
96 | #define EV_VERSION_MAJOR 1 |
88 | #define EV_VERSION_MINOR 1 |
97 | #define EV_VERSION_MINOR 1 |
|
|
98 | |
|
|
99 | #ifndef EV_CB_DECLARE |
|
|
100 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
|
|
101 | #endif |
|
|
102 | #ifndef EV_CB_INVOKE |
|
|
103 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
|
|
104 | #endif |
89 | |
105 | |
90 | /* |
106 | /* |
91 | * struct member types: |
107 | * struct member types: |
92 | * private: you can look at them, but not change them, and they might not mean anything to you. |
108 | * private: you can look at them, but not change them, and they might not mean anything to you. |
93 | * ro: can be read anytime, but only changed when the watcher isn't active |
109 | * ro: can be read anytime, but only changed when the watcher isn't active |
… | |
… | |
96 | |
112 | |
97 | /* shared by all watchers */ |
113 | /* shared by all watchers */ |
98 | #define EV_WATCHER(type) \ |
114 | #define EV_WATCHER(type) \ |
99 | int active; /* private */ \ |
115 | int active; /* private */ \ |
100 | int pending; /* private */ \ |
116 | int pending; /* private */ \ |
101 | int priority; /* ro */ \ |
117 | int priority; /* private */ \ |
102 | EV_COMMON; /* rw */ \ |
118 | EV_COMMON /* rw */ \ |
103 | void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
119 | EV_CB_DECLARE (type) /* private */ |
104 | |
120 | |
105 | #define EV_WATCHER_LIST(type) \ |
121 | #define EV_WATCHER_LIST(type) \ |
106 | EV_WATCHER (type); \ |
122 | EV_WATCHER (type) \ |
107 | struct ev_watcher_list *next /* private */ |
123 | struct ev_watcher_list *next; /* private */ |
108 | |
124 | |
109 | #define EV_WATCHER_TIME(type) \ |
125 | #define EV_WATCHER_TIME(type) \ |
110 | EV_WATCHER (type); \ |
126 | EV_WATCHER (type) \ |
111 | ev_tstamp at /* private */ |
127 | ev_tstamp at; /* private */ |
112 | |
128 | |
113 | /* base class, nothing to see here unless you subclass */ |
129 | /* base class, nothing to see here unless you subclass */ |
114 | struct ev_watcher { |
130 | struct ev_watcher |
|
|
131 | { |
115 | EV_WATCHER (ev_watcher); |
132 | EV_WATCHER (ev_watcher) |
116 | }; |
133 | }; |
117 | |
134 | |
118 | /* base class, nothing to see here unless you subclass */ |
135 | /* base class, nothing to see here unless you subclass */ |
119 | struct ev_watcher_list { |
136 | struct ev_watcher_list |
|
|
137 | { |
120 | EV_WATCHER_LIST (ev_watcher_list); |
138 | EV_WATCHER_LIST (ev_watcher_list) |
121 | }; |
139 | }; |
122 | |
140 | |
123 | /* base class, nothing to see here unless you subclass */ |
141 | /* base class, nothing to see here unless you subclass */ |
124 | struct ev_watcher_time { |
142 | struct ev_watcher_time |
|
|
143 | { |
125 | EV_WATCHER_TIME (ev_watcher_time); |
144 | EV_WATCHER_TIME (ev_watcher_time) |
126 | }; |
145 | }; |
127 | |
146 | |
128 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
147 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
129 | /* revent EV_TIMEOUT */ |
148 | /* revent EV_TIMEOUT */ |
130 | struct ev_timer |
149 | struct ev_timer |
131 | { |
150 | { |
132 | EV_WATCHER_TIME (ev_timer); |
151 | EV_WATCHER_TIME (ev_timer) |
133 | |
152 | |
134 | ev_tstamp repeat; /* rw */ |
153 | ev_tstamp repeat; /* rw */ |
135 | }; |
154 | }; |
136 | |
155 | |
137 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
156 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
138 | /* revent EV_PERIODIC */ |
157 | /* revent EV_PERIODIC */ |
139 | struct ev_periodic |
158 | struct ev_periodic |
140 | { |
159 | { |
141 | EV_WATCHER_TIME (ev_periodic); |
160 | EV_WATCHER_TIME (ev_periodic) |
142 | |
161 | |
143 | ev_tstamp interval; /* rw */ |
162 | ev_tstamp interval; /* rw */ |
|
|
163 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
144 | }; |
164 | }; |
145 | |
165 | |
146 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
166 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
147 | /* revent EV_READ, EV_WRITE */ |
167 | /* revent EV_READ, EV_WRITE */ |
148 | struct ev_io |
168 | struct ev_io |
149 | { |
169 | { |
150 | EV_WATCHER_LIST (ev_io); |
170 | EV_WATCHER_LIST (ev_io) |
151 | |
171 | |
152 | int fd; /* ro */ |
172 | int fd; /* ro */ |
153 | int events; /* ro */ |
173 | int events; /* ro */ |
154 | }; |
174 | }; |
155 | |
175 | |
156 | /* invoked when the given signal has been received */ |
176 | /* invoked when the given signal has been received */ |
157 | /* revent EV_SIGNAL */ |
177 | /* revent EV_SIGNAL */ |
158 | struct ev_signal |
178 | struct ev_signal |
159 | { |
179 | { |
160 | EV_WATCHER_LIST (ev_signal); |
180 | EV_WATCHER_LIST (ev_signal) |
161 | #if EV_MULTIPLICITY |
|
|
162 | struct ev_loop *loop; |
|
|
163 | #endif |
|
|
164 | |
181 | |
165 | int signum; /* ro */ |
182 | int signum; /* ro */ |
166 | }; |
183 | }; |
167 | |
184 | |
168 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
185 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
169 | /* revent EV_IDLE */ |
186 | /* revent EV_IDLE */ |
170 | struct ev_idle |
187 | struct ev_idle |
171 | { |
188 | { |
172 | EV_WATCHER (ev_idle); |
189 | EV_WATCHER (ev_idle) |
173 | }; |
190 | }; |
174 | |
191 | |
175 | /* invoked for each run of the mainloop, just before the blocking call */ |
192 | /* invoked for each run of the mainloop, just before the blocking call */ |
176 | /* you can still change events in any way you like */ |
193 | /* you can still change events in any way you like */ |
177 | /* revent EV_PREPARE */ |
194 | /* revent EV_PREPARE */ |
178 | struct ev_prepare |
195 | struct ev_prepare |
179 | { |
196 | { |
180 | EV_WATCHER (ev_prepare); |
197 | EV_WATCHER (ev_prepare) |
181 | }; |
198 | }; |
182 | |
199 | |
183 | /* invoked for each run of the mainloop, just after the blocking call */ |
200 | /* invoked for each run of the mainloop, just after the blocking call */ |
184 | /* revent EV_CHECK */ |
201 | /* revent EV_CHECK */ |
185 | struct ev_check |
202 | struct ev_check |
186 | { |
203 | { |
187 | EV_WATCHER (ev_check); |
204 | EV_WATCHER (ev_check) |
188 | }; |
205 | }; |
189 | |
206 | |
190 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
207 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
191 | /* revent EV_CHILD */ |
208 | /* revent EV_CHILD */ |
192 | /* does not support priorities */ |
209 | /* does not support priorities */ |
193 | struct ev_child |
210 | struct ev_child |
194 | { |
211 | { |
195 | EV_WATCHER_LIST (ev_child); |
212 | EV_WATCHER_LIST (ev_child) |
196 | |
213 | |
197 | int pid; /* ro */ |
214 | int pid; /* ro */ |
198 | int rpid; /* rw, holds the received pid */ |
215 | int rpid; /* rw, holds the received pid */ |
199 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
216 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
200 | }; |
217 | }; |
201 | |
218 | |
202 | #define EVMETHOD_AUTO 0 /* consults environment */ |
219 | #if EV_MULTIPLICITY |
203 | #define EVMETHOD_SELECT 1 |
220 | /* used to embed an event loop inside another */ |
204 | #define EVMETHOD_POLL 2 |
221 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
205 | #define EVMETHOD_EPOLL 4 |
222 | struct ev_embed |
206 | #define EVMETHOD_KQUEUE 8 |
223 | { |
207 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
224 | EV_WATCHER (ev_embed) |
208 | #define EVMETHOD_PORT 32 /* NYI */ |
225 | |
209 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
226 | struct ev_io io; /* private */ |
|
|
227 | struct ev_loop *loop; /* ro */ |
|
|
228 | }; |
|
|
229 | #endif |
|
|
230 | |
|
|
231 | /* the presence of this union forces similar struct layout */ |
|
|
232 | union ev_any_watcher |
|
|
233 | { |
|
|
234 | struct ev_watcher w; |
|
|
235 | struct ev_watcher_list wl; |
|
|
236 | |
|
|
237 | struct ev_io io; |
|
|
238 | struct ev_timer timer; |
|
|
239 | struct ev_periodic periodic; |
|
|
240 | struct ev_idle idle; |
|
|
241 | struct ev_prepare prepare; |
|
|
242 | struct ev_check check; |
|
|
243 | struct ev_signal signal; |
|
|
244 | struct ev_child child; |
|
|
245 | struct ev_embed embed; |
|
|
246 | }; |
|
|
247 | |
|
|
248 | /* bits for ev_default_loop and ev_loop_new */ |
|
|
249 | /* the default */ |
|
|
250 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
|
|
251 | /* flag bits */ |
|
|
252 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
|
|
253 | /* method bits to be ored together */ |
|
|
254 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
|
|
255 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
|
|
256 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
|
|
257 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
|
|
258 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
|
|
259 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
210 | |
260 | |
211 | #if EV_PROTOTYPES |
261 | #if EV_PROTOTYPES |
212 | int ev_version_major (void); |
262 | int ev_version_major (void); |
213 | int ev_version_minor (void); |
263 | int ev_version_minor (void); |
214 | |
264 | |
215 | /* these three calls are suitable for plugging into pthread_atfork */ |
265 | unsigned int ev_supported_backends (void); |
216 | void ev_fork_prepare (void); |
266 | unsigned int ev_recommended_backends (void); |
217 | void ev_fork_parent (void); |
267 | unsigned int ev_embeddable_backends (void); |
218 | void ev_fork_child (void); |
|
|
219 | |
268 | |
220 | ev_tstamp ev_time (void); |
269 | ev_tstamp ev_time (void); |
221 | |
270 | |
|
|
271 | /* Sets the allocation function to use, works like realloc. |
|
|
272 | * It is used to allocate and free memory. |
|
|
273 | * If it returns zero when memory needs to be allocated, the library might abort |
|
|
274 | * or take some potentially destructive action. |
|
|
275 | * The default is your system realloc function. |
|
|
276 | */ |
|
|
277 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
|
|
278 | |
|
|
279 | /* set the callback function to call on a |
|
|
280 | * retryable syscall error |
|
|
281 | * (such as failed select, poll, epoll_wait) |
|
|
282 | */ |
|
|
283 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
|
|
284 | |
222 | # if EV_MULTIPLICITY |
285 | # if EV_MULTIPLICITY |
|
|
286 | /* the default loop is the only one that handles signals and child watchers */ |
|
|
287 | /* you can call this as often as you like */ |
|
|
288 | static struct ev_loop * |
|
|
289 | ev_default_loop (unsigned int flags) |
|
|
290 | { |
|
|
291 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
292 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
293 | |
|
|
294 | if (!ev_default_loop_ptr) |
|
|
295 | ev_default_loop_init (flags); |
|
|
296 | |
|
|
297 | return ev_default_loop_ptr; |
|
|
298 | } |
|
|
299 | |
|
|
300 | /* create and destroy alternative loops that don't handle signals */ |
223 | struct ev_loop *ev_loop_new (int methods); |
301 | struct ev_loop *ev_loop_new (unsigned int flags); |
224 | void ev_loop_delete (EV_P); |
302 | void ev_loop_destroy (EV_P); |
|
|
303 | void ev_loop_fork (EV_P); |
|
|
304 | |
|
|
305 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
306 | |
225 | # else |
307 | # else |
226 | int ev_init (int methods); /* returns ev_method */ |
308 | |
|
|
309 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
|
|
310 | |
|
|
311 | static ev_tstamp |
|
|
312 | ev_now (void) |
|
|
313 | { |
|
|
314 | extern ev_tstamp ev_rt_now; |
|
|
315 | |
|
|
316 | return ev_rt_now; |
|
|
317 | } |
227 | # endif |
318 | # endif |
228 | |
319 | |
229 | int ev_method (EV_P); |
320 | void ev_default_destroy (void); /* destroy the default loop */ |
|
|
321 | /* this needs to be called after fork, to duplicate the default loop */ |
|
|
322 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
|
|
323 | /* you can call it in either the parent or the child */ |
|
|
324 | /* you can actually call it at any time, anywhere :) */ |
|
|
325 | void ev_default_fork (void); |
230 | |
326 | |
|
|
327 | unsigned int ev_backend (EV_P); |
231 | #endif |
328 | #endif |
232 | |
329 | |
233 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
330 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
234 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
331 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
|
|
332 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
235 | #define EVUNLOOP_ONCE 1 /* unloop once */ |
333 | #define EVUNLOOP_ONE 1 /* unloop once */ |
236 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
334 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
237 | |
335 | |
238 | #if EV_PROTOTYPES |
336 | #if EV_PROTOTYPES |
239 | void ev_loop (EV_P_ int flags); |
337 | void ev_loop (EV_P_ int flags); |
240 | 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 */ |
338 | 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 */ |
241 | |
|
|
242 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
243 | |
339 | |
244 | /* |
340 | /* |
245 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
341 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
246 | * keeps one reference. if you have a long-runing watcher you never unregister that |
342 | * keeps one reference. if you have a long-runing watcher you never unregister that |
247 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
343 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
… | |
… | |
253 | /* if timeout is < 0, do wait indefinitely */ |
349 | /* if timeout is < 0, do wait indefinitely */ |
254 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
350 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
255 | #endif |
351 | #endif |
256 | |
352 | |
257 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
353 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
258 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
354 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
259 | #define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) |
355 | #define ev_init(ev,cb_) do { \ |
|
|
356 | ((struct ev_watcher *)(void *)(ev))->active = \ |
|
|
357 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
|
|
358 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
|
|
359 | ev_set_cb ((ev), cb_); \ |
|
|
360 | } while (0) |
260 | |
361 | |
261 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
362 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
262 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
363 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
263 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
364 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
264 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
365 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
265 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
366 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
266 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
367 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
267 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
368 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
268 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
369 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
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370 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
269 | |
371 | |
270 | #define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
372 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
271 | #define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
373 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
272 | #define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) |
374 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
273 | #define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
375 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
274 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
376 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
275 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
377 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
276 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
378 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
277 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
379 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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380 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
278 | |
381 | |
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382 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
279 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
383 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
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384 | |
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385 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
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386 | #define ev_cb(ev) (ev)->cb /* rw */ |
280 | #define ev_set_priority(ev,pri) (ev)->priority = pri |
387 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
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388 | |
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389 | #ifndef ev_set_cb |
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390 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
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391 | #endif |
281 | |
392 | |
282 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
393 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
283 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
394 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
284 | #if EV_PROTOTYPES |
395 | #if EV_PROTOTYPES |
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396 | |
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397 | /* feeds an event into a watcher as if the event actually occured */ |
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398 | /* accepts any ev_watcher type */ |
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399 | void ev_feed_event (EV_P_ void *w, int revents); |
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400 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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401 | void ev_feed_signal_event (EV_P_ int signum); |
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402 | |
285 | void ev_io_start (EV_P_ struct ev_io *w); |
403 | void ev_io_start (EV_P_ struct ev_io *w); |
286 | void ev_io_stop (EV_P_ struct ev_io *w); |
404 | void ev_io_stop (EV_P_ struct ev_io *w); |
287 | |
405 | |
288 | void ev_timer_start (EV_P_ struct ev_timer *w); |
406 | void ev_timer_start (EV_P_ struct ev_timer *w); |
289 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
407 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
290 | void ev_timer_again (EV_P_ struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
408 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
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409 | void ev_timer_again (EV_P_ struct ev_timer *w); |
291 | |
410 | |
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411 | #if EV_PERIODICS |
292 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
412 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
293 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
413 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
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414 | void ev_periodic_again (EV_P_ struct ev_periodic *w); |
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415 | #endif |
294 | |
416 | |
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417 | void ev_idle_start (EV_P_ struct ev_idle *w); |
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418 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
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419 | |
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420 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
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421 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
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422 | |
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423 | void ev_check_start (EV_P_ struct ev_check *w); |
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424 | void ev_check_stop (EV_P_ struct ev_check *w); |
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425 | |
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426 | /* only supported in the default loop */ |
295 | void ev_signal_start (EV_P_ struct ev_signal *w); |
427 | void ev_signal_start (EV_P_ struct ev_signal *w); |
296 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
428 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
297 | |
429 | |
298 | void ev_idle_start (EV_P_ struct ev_idle *w); |
430 | /* only supported in the default loop */ |
299 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
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300 | |
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301 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
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302 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
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303 | |
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304 | void ev_check_start (EV_P_ struct ev_check *w); |
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305 | void ev_check_stop (EV_P_ struct ev_check *w); |
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306 | |
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307 | void ev_child_start (EV_P_ struct ev_child *w); |
431 | void ev_child_start (EV_P_ struct ev_child *w); |
308 | void ev_child_stop (EV_P_ struct ev_child *w); |
432 | void ev_child_stop (EV_P_ struct ev_child *w); |
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433 | |
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434 | # if EV_MULTIPLICITY |
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435 | /* only supported when loop to be embedded is in fact embeddable */ |
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436 | void ev_embed_start (EV_P_ struct ev_embed *w); |
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437 | void ev_embed_stop (EV_P_ struct ev_embed *w); |
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438 | # endif |
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439 | |
309 | #endif |
440 | #endif |
310 | |
441 | |
311 | #ifdef __cplusplus |
442 | #ifdef __cplusplus |
312 | } |
443 | } |
313 | #endif |
444 | #endif |