… | |
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36 | |
36 | |
37 | #include <stdio.h> |
37 | #include <stdio.h> |
38 | |
38 | |
39 | #include <assert.h> |
39 | #include <assert.h> |
40 | #include <errno.h> |
40 | #include <errno.h> |
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41 | #include <sys/types.h> |
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42 | #include <sys/wait.h> |
41 | #include <sys/time.h> |
43 | #include <sys/time.h> |
42 | #include <time.h> |
44 | #include <time.h> |
43 | |
45 | |
44 | #ifndef HAVE_MONOTONIC |
46 | #ifndef HAVE_MONOTONIC |
45 | # ifdef CLOCK_MONOTONIC |
47 | # ifdef CLOCK_MONOTONIC |
… | |
… | |
59 | # define HAVE_REALTIME 1 /* posix requirement, but might be slower */ |
61 | # define HAVE_REALTIME 1 /* posix requirement, but might be slower */ |
60 | #endif |
62 | #endif |
61 | |
63 | |
62 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
64 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
63 | #define MAX_BLOCKTIME 60. |
65 | #define MAX_BLOCKTIME 60. |
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66 | #define PID_HASHSIZE 16 /* size of pid hahs table, must be power of two */ |
64 | |
67 | |
65 | #include "ev.h" |
68 | #include "ev.h" |
66 | |
69 | |
67 | typedef struct ev_watcher *W; |
70 | typedef struct ev_watcher *W; |
68 | typedef struct ev_watcher_list *WL; |
71 | typedef struct ev_watcher_list *WL; |
… | |
… | |
110 | } |
113 | } |
111 | |
114 | |
112 | #define array_needsize(base,cur,cnt,init) \ |
115 | #define array_needsize(base,cur,cnt,init) \ |
113 | if ((cnt) > cur) \ |
116 | if ((cnt) > cur) \ |
114 | { \ |
117 | { \ |
115 | int newcnt = cur ? cur << 1 : 16; \ |
118 | int newcnt = cur; \ |
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119 | do \ |
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120 | { \ |
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121 | newcnt = (newcnt << 1) | 4 & ~3; \ |
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122 | } \ |
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123 | while ((cnt) > newcnt); \ |
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124 | \ |
116 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
125 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
117 | init (base + cur, newcnt - cur); \ |
126 | init (base + cur, newcnt - cur); \ |
118 | cur = newcnt; \ |
127 | cur = newcnt; \ |
119 | } |
128 | } |
120 | |
129 | |
121 | /*****************************************************************************/ |
130 | /*****************************************************************************/ |
122 | |
131 | |
123 | typedef struct |
132 | typedef struct |
124 | { |
133 | { |
125 | struct ev_io *head; |
134 | struct ev_io *head; |
126 | unsigned char wev, rev; /* want, received event set */ |
135 | int events; |
127 | } ANFD; |
136 | } ANFD; |
128 | |
137 | |
129 | static ANFD *anfds; |
138 | static ANFD *anfds; |
130 | static int anfdmax; |
139 | static int anfdmax; |
131 | |
140 | |
132 | static int *fdchanges; |
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133 | static int fdchangemax, fdchangecnt; |
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134 | |
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135 | static void |
141 | static void |
136 | anfds_init (ANFD *base, int count) |
142 | anfds_init (ANFD *base, int count) |
137 | { |
143 | { |
138 | while (count--) |
144 | while (count--) |
139 | { |
145 | { |
140 | base->head = 0; |
146 | base->head = 0; |
141 | base->wev = base->rev = EV_NONE; |
147 | base->events = EV_NONE; |
142 | ++base; |
148 | ++base; |
143 | } |
149 | } |
144 | } |
150 | } |
145 | |
151 | |
146 | typedef struct |
152 | typedef struct |
… | |
… | |
163 | pendings [pendingcnt - 1].events = events; |
169 | pendings [pendingcnt - 1].events = events; |
164 | } |
170 | } |
165 | } |
171 | } |
166 | |
172 | |
167 | static void |
173 | static void |
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174 | queue_events (W *events, int eventcnt, int type) |
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175 | { |
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176 | int i; |
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177 | |
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178 | for (i = 0; i < eventcnt; ++i) |
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179 | event (events [i], type); |
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180 | } |
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181 | |
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182 | static void |
168 | fd_event (int fd, int events) |
183 | fd_event (int fd, int events) |
169 | { |
184 | { |
170 | ANFD *anfd = anfds + fd; |
185 | ANFD *anfd = anfds + fd; |
171 | struct ev_io *w; |
186 | struct ev_io *w; |
172 | |
187 | |
… | |
… | |
177 | if (ev) |
192 | if (ev) |
178 | event ((W)w, ev); |
193 | event ((W)w, ev); |
179 | } |
194 | } |
180 | } |
195 | } |
181 | |
196 | |
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197 | /*****************************************************************************/ |
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198 | |
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199 | static int *fdchanges; |
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200 | static int fdchangemax, fdchangecnt; |
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201 | |
182 | static void |
202 | static void |
183 | queue_events (W *events, int eventcnt, int type) |
203 | fd_reify (void) |
184 | { |
204 | { |
185 | int i; |
205 | int i; |
186 | |
206 | |
187 | for (i = 0; i < eventcnt; ++i) |
207 | for (i = 0; i < fdchangecnt; ++i) |
188 | event (events [i], type); |
208 | { |
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209 | int fd = fdchanges [i]; |
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210 | ANFD *anfd = anfds + fd; |
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211 | struct ev_io *w; |
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212 | |
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213 | int events = 0; |
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214 | |
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215 | for (w = anfd->head; w; w = w->next) |
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216 | events |= w->events; |
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217 | |
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218 | anfd->events &= ~EV_REIFY; |
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219 | |
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220 | if (anfd->events != events) |
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221 | { |
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222 | method_modify (fd, anfd->events, events); |
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223 | anfd->events = events; |
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224 | } |
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225 | } |
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226 | |
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227 | fdchangecnt = 0; |
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228 | } |
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229 | |
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230 | static void |
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231 | fd_change (int fd) |
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232 | { |
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233 | if (anfds [fd].events & EV_REIFY) |
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234 | return; |
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235 | |
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236 | anfds [fd].events |= EV_REIFY; |
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237 | |
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238 | ++fdchangecnt; |
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239 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
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240 | fdchanges [fdchangecnt - 1] = fd; |
189 | } |
241 | } |
190 | |
242 | |
191 | /* called on EBADF to verify fds */ |
243 | /* called on EBADF to verify fds */ |
192 | static void |
244 | static void |
193 | fd_recheck () |
245 | fd_recheck (void) |
194 | { |
246 | { |
195 | int fd; |
247 | int fd; |
196 | |
248 | |
197 | for (fd = 0; fd < anfdmax; ++fd) |
249 | for (fd = 0; fd < anfdmax; ++fd) |
198 | if (anfds [fd].wev) |
250 | if (anfds [fd].events) |
199 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
251 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
200 | while (anfds [fd].head) |
252 | while (anfds [fd].head) |
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253 | { |
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254 | event ((W)anfds [fd].head, EV_ERROR); |
201 | evio_stop (anfds [fd].head); |
255 | ev_io_stop (anfds [fd].head); |
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256 | } |
202 | } |
257 | } |
203 | |
258 | |
204 | /*****************************************************************************/ |
259 | /*****************************************************************************/ |
205 | |
260 | |
206 | static struct ev_timer **timers; |
261 | static struct ev_timer **timers; |
… | |
… | |
315 | |
370 | |
316 | /* rather than sort out wether we really need nb, set it */ |
371 | /* rather than sort out wether we really need nb, set it */ |
317 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
372 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
318 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
373 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
319 | |
374 | |
320 | evio_set (&sigev, sigpipe [0], EV_READ); |
375 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
321 | evio_start (&sigev); |
376 | ev_io_start (&sigev); |
322 | } |
377 | } |
323 | |
378 | |
324 | /*****************************************************************************/ |
379 | /*****************************************************************************/ |
325 | |
380 | |
326 | static struct ev_idle **idles; |
381 | static struct ev_idle **idles; |
327 | static int idlemax, idlecnt; |
382 | static int idlemax, idlecnt; |
328 | |
383 | |
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384 | static struct ev_prepare **prepares; |
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385 | static int preparemax, preparecnt; |
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386 | |
329 | static struct ev_check **checks; |
387 | static struct ev_check **checks; |
330 | static int checkmax, checkcnt; |
388 | static int checkmax, checkcnt; |
331 | |
389 | |
332 | /*****************************************************************************/ |
390 | /*****************************************************************************/ |
333 | |
391 | |
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392 | static struct ev_child *childs [PID_HASHSIZE]; |
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393 | static struct ev_signal childev; |
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394 | |
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395 | #ifndef WCONTINUED |
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396 | # define WCONTINUED 0 |
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397 | #endif |
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398 | |
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399 | static void |
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400 | childcb (struct ev_signal *sw, int revents) |
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401 | { |
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402 | struct ev_child *w; |
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403 | int pid, status; |
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404 | |
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405 | while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1) |
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406 | for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next) |
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407 | if (w->pid == pid || w->pid == -1) |
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408 | { |
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409 | w->status = status; |
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410 | event ((W)w, EV_CHILD); |
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411 | } |
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412 | } |
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413 | |
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414 | /*****************************************************************************/ |
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415 | |
334 | #if HAVE_EPOLL |
416 | #if HAVE_EPOLL |
335 | # include "ev_epoll.c" |
417 | # include "ev_epoll.c" |
336 | #endif |
418 | #endif |
337 | #if HAVE_SELECT |
419 | #if HAVE_SELECT |
338 | # include "ev_select.c" |
420 | # include "ev_select.c" |
339 | #endif |
421 | #endif |
340 | |
422 | |
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423 | int |
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424 | ev_version_major (void) |
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425 | { |
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426 | return EV_VERSION_MAJOR; |
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427 | } |
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428 | |
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429 | int |
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430 | ev_version_minor (void) |
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431 | { |
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432 | return EV_VERSION_MINOR; |
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433 | } |
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434 | |
341 | int ev_init (int flags) |
435 | int ev_init (int flags) |
342 | { |
436 | { |
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437 | if (!ev_method) |
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438 | { |
343 | #if HAVE_MONOTONIC |
439 | #if HAVE_MONOTONIC |
344 | { |
440 | { |
345 | struct timespec ts; |
441 | struct timespec ts; |
346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
442 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
347 | have_monotonic = 1; |
443 | have_monotonic = 1; |
348 | } |
444 | } |
349 | #endif |
445 | #endif |
350 | |
446 | |
351 | ev_now = ev_time (); |
447 | ev_now = ev_time (); |
352 | now = get_clock (); |
448 | now = get_clock (); |
353 | diff = ev_now - now; |
449 | diff = ev_now - now; |
354 | |
450 | |
355 | if (pipe (sigpipe)) |
451 | if (pipe (sigpipe)) |
356 | return 0; |
452 | return 0; |
357 | |
453 | |
358 | ev_method = EVMETHOD_NONE; |
454 | ev_method = EVMETHOD_NONE; |
359 | #if HAVE_EPOLL |
455 | #if HAVE_EPOLL |
360 | if (ev_method == EVMETHOD_NONE) epoll_init (flags); |
456 | if (ev_method == EVMETHOD_NONE) epoll_init (flags); |
361 | #endif |
457 | #endif |
362 | #if HAVE_SELECT |
458 | #if HAVE_SELECT |
363 | if (ev_method == EVMETHOD_NONE) select_init (flags); |
459 | if (ev_method == EVMETHOD_NONE) select_init (flags); |
364 | #endif |
460 | #endif |
365 | |
461 | |
366 | if (ev_method) |
462 | if (ev_method) |
367 | { |
463 | { |
368 | evw_init (&sigev, sigcb); |
464 | ev_watcher_init (&sigev, sigcb); |
369 | siginit (); |
465 | siginit (); |
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466 | |
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467 | ev_signal_init (&childev, childcb, SIGCHLD); |
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468 | ev_signal_start (&childev); |
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469 | } |
370 | } |
470 | } |
371 | |
471 | |
372 | return ev_method; |
472 | return ev_method; |
373 | } |
473 | } |
374 | |
474 | |
375 | /*****************************************************************************/ |
475 | /*****************************************************************************/ |
376 | |
476 | |
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477 | void |
377 | void ev_prefork (void) |
478 | ev_prefork (void) |
378 | { |
479 | { |
379 | /* nop */ |
480 | /* nop */ |
380 | } |
481 | } |
381 | |
482 | |
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483 | void |
382 | void ev_postfork_parent (void) |
484 | ev_postfork_parent (void) |
383 | { |
485 | { |
384 | /* nop */ |
486 | /* nop */ |
385 | } |
487 | } |
386 | |
488 | |
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489 | void |
387 | void ev_postfork_child (void) |
490 | ev_postfork_child (void) |
388 | { |
491 | { |
389 | #if HAVE_EPOLL |
492 | #if HAVE_EPOLL |
390 | if (ev_method == EVMETHOD_EPOLL) |
493 | if (ev_method == EVMETHOD_EPOLL) |
391 | epoll_postfork_child (); |
494 | epoll_postfork_child (); |
392 | #endif |
495 | #endif |
393 | |
496 | |
394 | evio_stop (&sigev); |
497 | ev_io_stop (&sigev); |
395 | close (sigpipe [0]); |
498 | close (sigpipe [0]); |
396 | close (sigpipe [1]); |
499 | close (sigpipe [1]); |
397 | pipe (sigpipe); |
500 | pipe (sigpipe); |
398 | siginit (); |
501 | siginit (); |
399 | } |
502 | } |
400 | |
503 | |
401 | /*****************************************************************************/ |
504 | /*****************************************************************************/ |
402 | |
505 | |
403 | static void |
506 | static void |
404 | fd_reify (void) |
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405 | { |
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406 | int i; |
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407 | |
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408 | for (i = 0; i < fdchangecnt; ++i) |
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409 | { |
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410 | int fd = fdchanges [i]; |
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411 | ANFD *anfd = anfds + fd; |
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412 | struct ev_io *w; |
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413 | |
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414 | int wev = 0; |
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415 | |
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416 | for (w = anfd->head; w; w = w->next) |
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417 | wev |= w->events; |
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418 | |
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419 | if (anfd->wev != wev) |
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420 | { |
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421 | method_modify (fd, anfd->wev, wev); |
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422 | anfd->wev = wev; |
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423 | } |
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424 | } |
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425 | |
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426 | fdchangecnt = 0; |
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427 | } |
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428 | |
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429 | static void |
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430 | call_pending () |
507 | call_pending (void) |
431 | { |
508 | { |
432 | while (pendingcnt) |
509 | while (pendingcnt) |
433 | { |
510 | { |
434 | ANPENDING *p = pendings + --pendingcnt; |
511 | ANPENDING *p = pendings + --pendingcnt; |
435 | |
512 | |
… | |
… | |
440 | } |
517 | } |
441 | } |
518 | } |
442 | } |
519 | } |
443 | |
520 | |
444 | static void |
521 | static void |
445 | timers_reify () |
522 | timers_reify (void) |
446 | { |
523 | { |
447 | while (timercnt && timers [0]->at <= now) |
524 | while (timercnt && timers [0]->at <= now) |
448 | { |
525 | { |
449 | struct ev_timer *w = timers [0]; |
526 | struct ev_timer *w = timers [0]; |
450 | |
527 | |
… | |
… | |
456 | w->at = now + w->repeat; |
533 | w->at = now + w->repeat; |
457 | assert (("timer timeout in the past, negative repeat?", w->at > now)); |
534 | assert (("timer timeout in the past, negative repeat?", w->at > now)); |
458 | downheap ((WT *)timers, timercnt, 0); |
535 | downheap ((WT *)timers, timercnt, 0); |
459 | } |
536 | } |
460 | else |
537 | else |
461 | evtimer_stop (w); /* nonrepeating: stop timer */ |
538 | ev_timer_stop (w); /* nonrepeating: stop timer */ |
462 | } |
539 | } |
463 | } |
540 | } |
464 | |
541 | |
465 | static void |
542 | static void |
466 | periodics_reify () |
543 | periodics_reify (void) |
467 | { |
544 | { |
468 | while (periodiccnt && periodics [0]->at <= ev_now) |
545 | while (periodiccnt && periodics [0]->at <= ev_now) |
469 | { |
546 | { |
470 | struct ev_periodic *w = periodics [0]; |
547 | struct ev_periodic *w = periodics [0]; |
471 | |
548 | |
… | |
… | |
475 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
552 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
476 | assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); |
553 | assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); |
477 | downheap ((WT *)periodics, periodiccnt, 0); |
554 | downheap ((WT *)periodics, periodiccnt, 0); |
478 | } |
555 | } |
479 | else |
556 | else |
480 | evperiodic_stop (w); /* nonrepeating: stop timer */ |
557 | ev_periodic_stop (w); /* nonrepeating: stop timer */ |
481 | |
558 | |
482 | event ((W)w, EV_TIMEOUT); |
559 | event ((W)w, EV_TIMEOUT); |
483 | } |
560 | } |
484 | } |
561 | } |
485 | |
562 | |
… | |
… | |
497 | { |
574 | { |
498 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
575 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
499 | |
576 | |
500 | if (fabs (diff) >= 1e-4) |
577 | if (fabs (diff) >= 1e-4) |
501 | { |
578 | { |
502 | evperiodic_stop (w); |
579 | ev_periodic_stop (w); |
503 | evperiodic_start (w); |
580 | ev_periodic_start (w); |
504 | |
581 | |
505 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
582 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
506 | } |
583 | } |
507 | } |
584 | } |
508 | } |
585 | } |
509 | } |
586 | } |
510 | |
587 | |
511 | static void |
588 | static void |
512 | time_update () |
589 | time_update (void) |
513 | { |
590 | { |
514 | int i; |
591 | int i; |
515 | |
592 | |
516 | ev_now = ev_time (); |
593 | ev_now = ev_time (); |
517 | |
594 | |
… | |
… | |
551 | int ev_loop_done; |
628 | int ev_loop_done; |
552 | |
629 | |
553 | void ev_loop (int flags) |
630 | void ev_loop (int flags) |
554 | { |
631 | { |
555 | double block; |
632 | double block; |
556 | ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; |
633 | ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
557 | |
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558 | if (checkcnt) |
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559 | { |
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560 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
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561 | call_pending (); |
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562 | } |
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563 | |
634 | |
564 | do |
635 | do |
565 | { |
636 | { |
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637 | /* queue check watchers (and execute them) */ |
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638 | if (preparecnt) |
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639 | { |
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640 | queue_events ((W *)prepares, preparecnt, EV_PREPARE); |
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641 | call_pending (); |
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642 | } |
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643 | |
566 | /* update fd-related kernel structures */ |
644 | /* update fd-related kernel structures */ |
567 | fd_reify (); |
645 | fd_reify (); |
568 | |
646 | |
569 | /* calculate blocking time */ |
647 | /* calculate blocking time */ |
570 | |
648 | |
571 | /* we only need this for !monotonic clock, but as we always have timers, we just calculate it every time */ |
649 | /* we only need this for !monotonic clockor timers, but as we basically |
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650 | always have timers, we just calculate it always */ |
572 | ev_now = ev_time (); |
651 | ev_now = ev_time (); |
573 | |
652 | |
574 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
653 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
575 | block = 0.; |
654 | block = 0.; |
576 | else |
655 | else |
… | |
… | |
596 | |
675 | |
597 | /* update ev_now, do magic */ |
676 | /* update ev_now, do magic */ |
598 | time_update (); |
677 | time_update (); |
599 | |
678 | |
600 | /* queue pending timers and reschedule them */ |
679 | /* queue pending timers and reschedule them */ |
|
|
680 | timers_reify (); /* relative timers called last */ |
601 | periodics_reify (); /* absolute timers first */ |
681 | periodics_reify (); /* absolute timers called first */ |
602 | timers_reify (); /* relative timers second */ |
|
|
603 | |
682 | |
604 | /* queue idle watchers unless io or timers are pending */ |
683 | /* queue idle watchers unless io or timers are pending */ |
605 | if (!pendingcnt) |
684 | if (!pendingcnt) |
606 | queue_events ((W *)idles, idlecnt, EV_IDLE); |
685 | queue_events ((W *)idles, idlecnt, EV_IDLE); |
607 | |
686 | |
608 | /* queue check and possibly idle watchers */ |
687 | /* queue check watchers, to be executed first */ |
|
|
688 | if (checkcnt) |
609 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
689 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
610 | |
690 | |
611 | call_pending (); |
691 | call_pending (); |
612 | } |
692 | } |
613 | while (!ev_loop_done); |
693 | while (!ev_loop_done); |
614 | |
694 | |
… | |
… | |
663 | } |
743 | } |
664 | |
744 | |
665 | /*****************************************************************************/ |
745 | /*****************************************************************************/ |
666 | |
746 | |
667 | void |
747 | void |
668 | evio_start (struct ev_io *w) |
748 | ev_io_start (struct ev_io *w) |
669 | { |
749 | { |
670 | if (ev_is_active (w)) |
750 | if (ev_is_active (w)) |
671 | return; |
751 | return; |
672 | |
752 | |
673 | int fd = w->fd; |
753 | int fd = w->fd; |
674 | |
754 | |
675 | ev_start ((W)w, 1); |
755 | ev_start ((W)w, 1); |
676 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
756 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
677 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
757 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
678 | |
758 | |
679 | ++fdchangecnt; |
759 | fd_change (fd); |
680 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
681 | fdchanges [fdchangecnt - 1] = fd; |
|
|
682 | } |
760 | } |
683 | |
761 | |
684 | void |
762 | void |
685 | evio_stop (struct ev_io *w) |
763 | ev_io_stop (struct ev_io *w) |
686 | { |
764 | { |
687 | ev_clear ((W)w); |
765 | ev_clear ((W)w); |
688 | if (!ev_is_active (w)) |
766 | if (!ev_is_active (w)) |
689 | return; |
767 | return; |
690 | |
768 | |
691 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
769 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
692 | ev_stop ((W)w); |
770 | ev_stop ((W)w); |
693 | |
771 | |
694 | ++fdchangecnt; |
772 | fd_change (w->fd); |
695 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
696 | fdchanges [fdchangecnt - 1] = w->fd; |
|
|
697 | } |
773 | } |
698 | |
774 | |
699 | void |
775 | void |
700 | evtimer_start (struct ev_timer *w) |
776 | ev_timer_start (struct ev_timer *w) |
701 | { |
777 | { |
702 | if (ev_is_active (w)) |
778 | if (ev_is_active (w)) |
703 | return; |
779 | return; |
704 | |
780 | |
705 | w->at += now; |
781 | w->at += now; |
… | |
… | |
711 | timers [timercnt - 1] = w; |
787 | timers [timercnt - 1] = w; |
712 | upheap ((WT *)timers, timercnt - 1); |
788 | upheap ((WT *)timers, timercnt - 1); |
713 | } |
789 | } |
714 | |
790 | |
715 | void |
791 | void |
716 | evtimer_stop (struct ev_timer *w) |
792 | ev_timer_stop (struct ev_timer *w) |
717 | { |
793 | { |
718 | ev_clear ((W)w); |
794 | ev_clear ((W)w); |
719 | if (!ev_is_active (w)) |
795 | if (!ev_is_active (w)) |
720 | return; |
796 | return; |
721 | |
797 | |
… | |
… | |
729 | |
805 | |
730 | ev_stop ((W)w); |
806 | ev_stop ((W)w); |
731 | } |
807 | } |
732 | |
808 | |
733 | void |
809 | void |
734 | evtimer_again (struct ev_timer *w) |
810 | ev_timer_again (struct ev_timer *w) |
735 | { |
811 | { |
736 | if (ev_is_active (w)) |
812 | if (ev_is_active (w)) |
737 | { |
813 | { |
738 | if (w->repeat) |
814 | if (w->repeat) |
739 | { |
815 | { |
740 | w->at = now + w->repeat; |
816 | w->at = now + w->repeat; |
741 | downheap ((WT *)timers, timercnt, w->active - 1); |
817 | downheap ((WT *)timers, timercnt, w->active - 1); |
742 | } |
818 | } |
743 | else |
819 | else |
744 | evtimer_stop (w); |
820 | ev_timer_stop (w); |
745 | } |
821 | } |
746 | else if (w->repeat) |
822 | else if (w->repeat) |
747 | evtimer_start (w); |
823 | ev_timer_start (w); |
748 | } |
824 | } |
749 | |
825 | |
750 | void |
826 | void |
751 | evperiodic_start (struct ev_periodic *w) |
827 | ev_periodic_start (struct ev_periodic *w) |
752 | { |
828 | { |
753 | if (ev_is_active (w)) |
829 | if (ev_is_active (w)) |
754 | return; |
830 | return; |
755 | |
831 | |
756 | assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); |
832 | assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); |
… | |
… | |
764 | periodics [periodiccnt - 1] = w; |
840 | periodics [periodiccnt - 1] = w; |
765 | upheap ((WT *)periodics, periodiccnt - 1); |
841 | upheap ((WT *)periodics, periodiccnt - 1); |
766 | } |
842 | } |
767 | |
843 | |
768 | void |
844 | void |
769 | evperiodic_stop (struct ev_periodic *w) |
845 | ev_periodic_stop (struct ev_periodic *w) |
770 | { |
846 | { |
771 | ev_clear ((W)w); |
847 | ev_clear ((W)w); |
772 | if (!ev_is_active (w)) |
848 | if (!ev_is_active (w)) |
773 | return; |
849 | return; |
774 | |
850 | |
… | |
… | |
780 | |
856 | |
781 | ev_stop ((W)w); |
857 | ev_stop ((W)w); |
782 | } |
858 | } |
783 | |
859 | |
784 | void |
860 | void |
785 | evsignal_start (struct ev_signal *w) |
861 | ev_signal_start (struct ev_signal *w) |
786 | { |
862 | { |
787 | if (ev_is_active (w)) |
863 | if (ev_is_active (w)) |
788 | return; |
864 | return; |
789 | |
865 | |
790 | ev_start ((W)w, 1); |
866 | ev_start ((W)w, 1); |
… | |
… | |
800 | sigaction (w->signum, &sa, 0); |
876 | sigaction (w->signum, &sa, 0); |
801 | } |
877 | } |
802 | } |
878 | } |
803 | |
879 | |
804 | void |
880 | void |
805 | evsignal_stop (struct ev_signal *w) |
881 | ev_signal_stop (struct ev_signal *w) |
806 | { |
882 | { |
807 | ev_clear ((W)w); |
883 | ev_clear ((W)w); |
808 | if (!ev_is_active (w)) |
884 | if (!ev_is_active (w)) |
809 | return; |
885 | return; |
810 | |
886 | |
… | |
… | |
813 | |
889 | |
814 | if (!signals [w->signum - 1].head) |
890 | if (!signals [w->signum - 1].head) |
815 | signal (w->signum, SIG_DFL); |
891 | signal (w->signum, SIG_DFL); |
816 | } |
892 | } |
817 | |
893 | |
|
|
894 | void |
818 | void evidle_start (struct ev_idle *w) |
895 | ev_idle_start (struct ev_idle *w) |
819 | { |
896 | { |
820 | if (ev_is_active (w)) |
897 | if (ev_is_active (w)) |
821 | return; |
898 | return; |
822 | |
899 | |
823 | ev_start ((W)w, ++idlecnt); |
900 | ev_start ((W)w, ++idlecnt); |
824 | array_needsize (idles, idlemax, idlecnt, ); |
901 | array_needsize (idles, idlemax, idlecnt, ); |
825 | idles [idlecnt - 1] = w; |
902 | idles [idlecnt - 1] = w; |
826 | } |
903 | } |
827 | |
904 | |
|
|
905 | void |
828 | void evidle_stop (struct ev_idle *w) |
906 | ev_idle_stop (struct ev_idle *w) |
829 | { |
907 | { |
830 | ev_clear ((W)w); |
908 | ev_clear ((W)w); |
831 | if (ev_is_active (w)) |
909 | if (ev_is_active (w)) |
832 | return; |
910 | return; |
833 | |
911 | |
834 | idles [w->active - 1] = idles [--idlecnt]; |
912 | idles [w->active - 1] = idles [--idlecnt]; |
835 | ev_stop ((W)w); |
913 | ev_stop ((W)w); |
836 | } |
914 | } |
837 | |
915 | |
|
|
916 | void |
|
|
917 | ev_prepare_start (struct ev_prepare *w) |
|
|
918 | { |
|
|
919 | if (ev_is_active (w)) |
|
|
920 | return; |
|
|
921 | |
|
|
922 | ev_start ((W)w, ++preparecnt); |
|
|
923 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
924 | prepares [preparecnt - 1] = w; |
|
|
925 | } |
|
|
926 | |
|
|
927 | void |
|
|
928 | ev_prepare_stop (struct ev_prepare *w) |
|
|
929 | { |
|
|
930 | ev_clear ((W)w); |
|
|
931 | if (ev_is_active (w)) |
|
|
932 | return; |
|
|
933 | |
|
|
934 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
935 | ev_stop ((W)w); |
|
|
936 | } |
|
|
937 | |
|
|
938 | void |
838 | void evcheck_start (struct ev_check *w) |
939 | ev_check_start (struct ev_check *w) |
839 | { |
940 | { |
840 | if (ev_is_active (w)) |
941 | if (ev_is_active (w)) |
841 | return; |
942 | return; |
842 | |
943 | |
843 | ev_start ((W)w, ++checkcnt); |
944 | ev_start ((W)w, ++checkcnt); |
844 | array_needsize (checks, checkmax, checkcnt, ); |
945 | array_needsize (checks, checkmax, checkcnt, ); |
845 | checks [checkcnt - 1] = w; |
946 | checks [checkcnt - 1] = w; |
846 | } |
947 | } |
847 | |
948 | |
|
|
949 | void |
848 | void evcheck_stop (struct ev_check *w) |
950 | ev_check_stop (struct ev_check *w) |
849 | { |
951 | { |
850 | ev_clear ((W)w); |
952 | ev_clear ((W)w); |
851 | if (ev_is_active (w)) |
953 | if (ev_is_active (w)) |
852 | return; |
954 | return; |
853 | |
955 | |
854 | checks [w->active - 1] = checks [--checkcnt]; |
956 | checks [w->active - 1] = checks [--checkcnt]; |
|
|
957 | ev_stop ((W)w); |
|
|
958 | } |
|
|
959 | |
|
|
960 | void |
|
|
961 | ev_child_start (struct ev_child *w) |
|
|
962 | { |
|
|
963 | if (ev_is_active (w)) |
|
|
964 | return; |
|
|
965 | |
|
|
966 | ev_start ((W)w, 1); |
|
|
967 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
|
|
968 | } |
|
|
969 | |
|
|
970 | void |
|
|
971 | ev_child_stop (struct ev_child *w) |
|
|
972 | { |
|
|
973 | ev_clear ((W)w); |
|
|
974 | if (ev_is_active (w)) |
|
|
975 | return; |
|
|
976 | |
|
|
977 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
855 | ev_stop ((W)w); |
978 | ev_stop ((W)w); |
856 | } |
979 | } |
857 | |
980 | |
858 | /*****************************************************************************/ |
981 | /*****************************************************************************/ |
859 | |
982 | |
… | |
… | |
869 | once_cb (struct ev_once *once, int revents) |
992 | once_cb (struct ev_once *once, int revents) |
870 | { |
993 | { |
871 | void (*cb)(int revents, void *arg) = once->cb; |
994 | void (*cb)(int revents, void *arg) = once->cb; |
872 | void *arg = once->arg; |
995 | void *arg = once->arg; |
873 | |
996 | |
874 | evio_stop (&once->io); |
997 | ev_io_stop (&once->io); |
875 | evtimer_stop (&once->to); |
998 | ev_timer_stop (&once->to); |
876 | free (once); |
999 | free (once); |
877 | |
1000 | |
878 | cb (revents, arg); |
1001 | cb (revents, arg); |
879 | } |
1002 | } |
880 | |
1003 | |
… | |
… | |
900 | else |
1023 | else |
901 | { |
1024 | { |
902 | once->cb = cb; |
1025 | once->cb = cb; |
903 | once->arg = arg; |
1026 | once->arg = arg; |
904 | |
1027 | |
905 | evw_init (&once->io, once_cb_io); |
1028 | ev_watcher_init (&once->io, once_cb_io); |
906 | |
1029 | |
907 | if (fd >= 0) |
1030 | if (fd >= 0) |
908 | { |
1031 | { |
909 | evio_set (&once->io, fd, events); |
1032 | ev_io_set (&once->io, fd, events); |
910 | evio_start (&once->io); |
1033 | ev_io_start (&once->io); |
911 | } |
1034 | } |
912 | |
1035 | |
913 | evw_init (&once->to, once_cb_to); |
1036 | ev_watcher_init (&once->to, once_cb_to); |
914 | |
1037 | |
915 | if (timeout >= 0.) |
1038 | if (timeout >= 0.) |
916 | { |
1039 | { |
917 | evtimer_set (&once->to, timeout, 0.); |
1040 | ev_timer_set (&once->to, timeout, 0.); |
918 | evtimer_start (&once->to); |
1041 | ev_timer_start (&once->to); |
919 | } |
1042 | } |
920 | } |
1043 | } |
921 | } |
1044 | } |
922 | |
1045 | |
923 | /*****************************************************************************/ |
1046 | /*****************************************************************************/ |
… | |
… | |
934 | |
1057 | |
935 | static void |
1058 | static void |
936 | ocb (struct ev_timer *w, int revents) |
1059 | ocb (struct ev_timer *w, int revents) |
937 | { |
1060 | { |
938 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
1061 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
939 | evtimer_stop (w); |
1062 | ev_timer_stop (w); |
940 | evtimer_start (w); |
1063 | ev_timer_start (w); |
941 | } |
1064 | } |
942 | |
1065 | |
943 | static void |
1066 | static void |
944 | scb (struct ev_signal *w, int revents) |
1067 | scb (struct ev_signal *w, int revents) |
945 | { |
1068 | { |
946 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
1069 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
947 | evio_stop (&wio); |
1070 | ev_io_stop (&wio); |
948 | evio_start (&wio); |
1071 | ev_io_start (&wio); |
949 | } |
1072 | } |
950 | |
1073 | |
951 | static void |
1074 | static void |
952 | gcb (struct ev_signal *w, int revents) |
1075 | gcb (struct ev_signal *w, int revents) |
953 | { |
1076 | { |
… | |
… | |
957 | |
1080 | |
958 | int main (void) |
1081 | int main (void) |
959 | { |
1082 | { |
960 | ev_init (0); |
1083 | ev_init (0); |
961 | |
1084 | |
962 | evio_init (&wio, sin_cb, 0, EV_READ); |
1085 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
963 | evio_start (&wio); |
1086 | ev_io_start (&wio); |
964 | |
1087 | |
965 | struct ev_timer t[10000]; |
1088 | struct ev_timer t[10000]; |
966 | |
1089 | |
967 | #if 0 |
1090 | #if 0 |
968 | int i; |
1091 | int i; |
969 | for (i = 0; i < 10000; ++i) |
1092 | for (i = 0; i < 10000; ++i) |
970 | { |
1093 | { |
971 | struct ev_timer *w = t + i; |
1094 | struct ev_timer *w = t + i; |
972 | evw_init (w, ocb, i); |
1095 | ev_watcher_init (w, ocb, i); |
973 | evtimer_init_abs (w, ocb, drand48 (), 0.99775533); |
1096 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
974 | evtimer_start (w); |
1097 | ev_timer_start (w); |
975 | if (drand48 () < 0.5) |
1098 | if (drand48 () < 0.5) |
976 | evtimer_stop (w); |
1099 | ev_timer_stop (w); |
977 | } |
1100 | } |
978 | #endif |
1101 | #endif |
979 | |
1102 | |
980 | struct ev_timer t1; |
1103 | struct ev_timer t1; |
981 | evtimer_init (&t1, ocb, 5, 10); |
1104 | ev_timer_init (&t1, ocb, 5, 10); |
982 | evtimer_start (&t1); |
1105 | ev_timer_start (&t1); |
983 | |
1106 | |
984 | struct ev_signal sig; |
1107 | struct ev_signal sig; |
985 | evsignal_init (&sig, scb, SIGQUIT); |
1108 | ev_signal_init (&sig, scb, SIGQUIT); |
986 | evsignal_start (&sig); |
1109 | ev_signal_start (&sig); |
987 | |
1110 | |
988 | struct ev_check cw; |
1111 | struct ev_check cw; |
989 | evcheck_init (&cw, gcb); |
1112 | ev_check_init (&cw, gcb); |
990 | evcheck_start (&cw); |
1113 | ev_check_start (&cw); |
991 | |
1114 | |
992 | struct ev_idle iw; |
1115 | struct ev_idle iw; |
993 | evidle_init (&iw, gcb); |
1116 | ev_idle_init (&iw, gcb); |
994 | evidle_start (&iw); |
1117 | ev_idle_start (&iw); |
995 | |
1118 | |
996 | ev_loop (0); |
1119 | ev_loop (0); |
997 | |
1120 | |
998 | return 0; |
1121 | return 0; |
999 | } |
1122 | } |