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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
31 | |
31 | |
32 | #include <stddef.h> |
32 | #include <stddef.h> |
33 | #include <stdlib.h> |
33 | #include <stdlib.h> |
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34 | #include <assert.h> |
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35 | |
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36 | #ifndef WIN32 |
34 | #include <sys/time.h> |
37 | # include <sys/time.h> |
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38 | #endif |
35 | |
39 | |
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40 | #include "ev.h" |
36 | #include "event.h" |
41 | #include "event.h" |
37 | |
42 | |
38 | #if EV_MULTIPLICITY |
43 | #if EV_MULTIPLICITY |
39 | # define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base |
44 | # define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base |
40 | # define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base |
45 | # define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base |
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… | |
47 | struct event_base |
52 | struct event_base |
48 | { |
53 | { |
49 | int dummy; |
54 | int dummy; |
50 | }; |
55 | }; |
51 | |
56 | |
52 | static struct event_base x_base, *x_cur; |
57 | static struct event_base *x_cur; |
53 | |
58 | |
54 | static void |
59 | static void |
55 | tv_set (struct timeval *tv, ev_tstamp at) |
60 | tv_set (struct timeval *tv, ev_tstamp at) |
56 | { |
61 | { |
57 | tv->tv_sec = (long)at; |
62 | tv->tv_sec = (long)at; |
… | |
… | |
80 | } |
85 | } |
81 | |
86 | |
82 | void *event_init (void) |
87 | void *event_init (void) |
83 | { |
88 | { |
84 | #if EV_MULTIPLICITY |
89 | #if EV_MULTIPLICITY |
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90 | if (x_cur) |
85 | x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO); |
91 | x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO); |
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92 | else |
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93 | x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO); |
86 | #else |
94 | #else |
87 | x_cur = &x_base; |
95 | assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur)); |
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96 | |
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97 | x_cur = (struct event_base *)(long)ev_default_loop (EVMETHOD_AUTO); |
88 | #endif |
98 | #endif |
89 | |
99 | |
90 | return x_cur; |
100 | return x_cur; |
91 | } |
101 | } |
92 | |
102 | |
93 | void event_base_free (struct event_base *base) |
103 | void event_base_free (struct event_base *base) |
94 | { |
104 | { |
95 | dLOOPbase; |
105 | dLOOPbase; |
96 | |
106 | |
97 | #if EV_MULTIPLICITY |
107 | #if EV_MULTIPLICITY |
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108 | if (ev_default_loop (EVMETHOD_AUTO) != loop) |
98 | ev_loop_delete (loop); |
109 | ev_loop_destroy (loop); |
99 | #endif |
110 | #endif |
100 | } |
111 | } |
101 | |
112 | |
102 | int event_dispatch (void) |
113 | int event_dispatch (void) |
103 | { |
114 | { |
… | |
… | |
131 | } |
142 | } |
132 | |
143 | |
133 | static void |
144 | static void |
134 | x_cb_sig (EV_P_ struct ev_signal *w, int revents) |
145 | x_cb_sig (EV_P_ struct ev_signal *w, int revents) |
135 | { |
146 | { |
136 | x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents); |
147 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.sig)); |
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148 | |
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149 | if (revents & EV_ERROR) |
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150 | event_del (ev); |
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151 | |
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152 | x_cb (ev, revents); |
137 | } |
153 | } |
138 | |
154 | |
139 | static void |
155 | static void |
140 | x_cb_io (EV_P_ struct ev_io *w, int revents) |
156 | x_cb_io (EV_P_ struct ev_io *w, int revents) |
141 | { |
157 | { |
142 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); |
158 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); |
143 | |
159 | |
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160 | if (revents & EV_ERROR) |
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161 | event_del (ev); |
144 | if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) |
162 | else if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) |
145 | ev_io_stop (EV_A_ w); |
163 | ev_io_stop (EV_A_ w); |
146 | |
164 | |
147 | x_cb (ev, revents); |
165 | x_cb (ev, revents); |
148 | } |
166 | } |
149 | |
167 | |
150 | static void |
168 | static void |
151 | x_cb_to (EV_P_ struct ev_timer *w, int revents) |
169 | x_cb_to (EV_P_ struct ev_timer *w, int revents) |
152 | { |
170 | { |
153 | x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents); |
171 | struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to)); |
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172 | |
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173 | event_del (ev); |
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174 | |
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175 | x_cb (ev, revents); |
154 | } |
176 | } |
155 | |
177 | |
156 | void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) |
178 | void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) |
157 | { |
179 | { |
158 | if (!ev->initialised) |
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159 | { |
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160 | ev->initialised = 1; |
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161 | |
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162 | if (events & EV_SIGNAL) |
180 | if (events & EV_SIGNAL) |
163 | ev_watcher_init (&ev->iosig.sig, x_cb_sig); |
181 | ev_watcher_init (&ev->iosig.sig, x_cb_sig); |
164 | else |
182 | else |
165 | ev_watcher_init (&ev->iosig.io, x_cb_io); |
183 | ev_watcher_init (&ev->iosig.io, x_cb_io); |
166 | |
184 | |
167 | ev_watcher_init (&ev->to, x_cb_to); |
185 | ev_watcher_init (&ev->to, x_cb_to); |
168 | } |
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169 | |
186 | |
170 | ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */ |
187 | ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */ |
171 | ev->ev_fd = fd; |
188 | ev->ev_fd = fd; |
172 | ev->ev_events = events; |
189 | ev->ev_events = events; |
173 | ev->ev_pri = 0; |
190 | ev->ev_pri = 0; |
… | |
… | |
216 | { |
233 | { |
217 | /* sig */ |
234 | /* sig */ |
218 | if (ev_is_active (&ev->iosig.sig)) |
235 | if (ev_is_active (&ev->iosig.sig)) |
219 | ev_signal_stop (EV_A_ &ev->iosig.sig); |
236 | ev_signal_stop (EV_A_ &ev->iosig.sig); |
220 | } |
237 | } |
221 | else |
238 | else if (ev->ev_events & (EV_READ | EV_WRITE)) |
222 | { |
239 | { |
223 | /* io */ |
240 | /* io */ |
224 | if (ev_is_active (&ev->iosig.io)) |
241 | if (ev_is_active (&ev->iosig.io)) |
225 | ev_io_stop (EV_A_ &ev->iosig.io); |
242 | ev_io_stop (EV_A_ &ev->iosig.io); |
226 | } |
243 | } |
… | |
… | |
229 | ev_timer_stop (EV_A_ &ev->to); |
246 | ev_timer_stop (EV_A_ &ev->to); |
230 | |
247 | |
231 | return 0; |
248 | return 0; |
232 | } |
249 | } |
233 | |
250 | |
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251 | void event_active (struct event *ev, int res, short ncalls) |
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252 | { |
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253 | if (res & EV_TIMEOUT) |
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254 | ev_feed_event (&iosig.to, res & EV_TIMEOUT); |
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255 | |
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256 | if (res & EV_SIGNAL) |
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257 | ev_feed_event (&iosig.sig, res & EV_SIGNAL); |
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258 | |
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259 | if (res & (EV_READ | EV_WRITE)) |
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260 | ev_feed_event (&iosig.io, res & (EV_READ | EV_WRITE)); |
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261 | } |
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262 | |
234 | int event_pending (struct event *ev, short events, struct timeval *tv) |
263 | int event_pending (struct event *ev, short events, struct timeval *tv) |
235 | { |
264 | { |
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265 | short revents = 0; |
236 | dLOOPev; |
266 | dLOOPev; |
237 | |
267 | |
238 | short revents = 0; |
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239 | |
268 | |
240 | if (ev->ev_events & EV_SIGNAL) |
269 | if (ev->ev_events & EV_SIGNAL) |
241 | { |
270 | { |
242 | /* sig */ |
271 | /* sig */ |
243 | if (ev->iosig.sig.pending) |
272 | if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig)) |
244 | revents |= EV_SIGNAL; |
273 | revents |= EV_SIGNAL; |
245 | } |
274 | } |
246 | else |
275 | else if (ev->ev_events & (EV_READ | EV_WRITE)) |
247 | { |
276 | { |
248 | /* io */ |
277 | /* io */ |
249 | if (ev->iosig.io.pending) |
278 | if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io)) |
250 | revents |= ev->ev_events & (EV_READ | EV_WRITE); |
279 | revents |= ev->ev_events & (EV_READ | EV_WRITE); |
251 | } |
280 | } |
252 | |
281 | |
253 | if (ev->to.pending) |
282 | if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to)) |
254 | { |
283 | { |
255 | revents |= EV_TIMEOUT; |
284 | revents |= EV_TIMEOUT; |
256 | |
285 | |
257 | if (tv) |
286 | if (tv) |
258 | tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ |
287 | tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ |
… | |
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302 | ev_unloop (EV_A_ EVUNLOOP_ONCE); |
331 | ev_unloop (EV_A_ EVUNLOOP_ONCE); |
303 | } |
332 | } |
304 | |
333 | |
305 | int event_base_loopexit (struct event_base *base, struct timeval *tv) |
334 | int event_base_loopexit (struct event_base *base, struct timeval *tv) |
306 | { |
335 | { |
307 | dLOOPbase; |
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308 | ev_tstamp after = tv_get (tv); |
336 | ev_tstamp after = tv_get (tv); |
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337 | dLOOPbase; |
309 | |
338 | |
310 | ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); |
339 | ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); |
311 | |
340 | |
312 | return -1; |
341 | return -1; |
313 | } |
342 | } |
… | |
… | |
320 | }; |
349 | }; |
321 | |
350 | |
322 | static void |
351 | static void |
323 | x_once_cb (int revents, void *arg) |
352 | x_once_cb (int revents, void *arg) |
324 | { |
353 | { |
325 | struct x_once *once = arg; |
354 | struct x_once *once = (struct x_once *)arg; |
326 | |
355 | |
327 | once->cb (once->fd, revents, once->arg); |
356 | once->cb (once->fd, revents, once->arg); |
328 | free (once); |
357 | free (once); |
329 | } |
358 | } |
330 | |
359 | |
331 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) |
360 | int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) |
332 | { |
361 | { |
333 | dLOOPbase; |
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334 | struct x_once *once = malloc (sizeof (struct x_once)); |
362 | struct x_once *once = (struct x_once *)malloc (sizeof (struct x_once)); |
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363 | dLOOPbase; |
335 | |
364 | |
336 | if (!once) |
365 | if (!once) |
337 | return -1; |
366 | return -1; |
338 | |
367 | |
339 | once->fd = fd; |
368 | once->fd = fd; |
… | |
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345 | return 0; |
374 | return 0; |
346 | } |
375 | } |
347 | |
376 | |
348 | int event_base_priority_init (struct event_base *base, int npri) |
377 | int event_base_priority_init (struct event_base *base, int npri) |
349 | { |
378 | { |
350 | dLOOPbase; |
379 | /*dLOOPbase;*/ |
351 | |
380 | |
352 | return 0; |
381 | return 0; |
353 | } |
382 | } |
354 | |
383 | |