… | |
… | |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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 | #ifndef EV_STANDALONE |
31 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
32 | # include "config.h" |
|
|
33 | |
|
|
34 | # if HAVE_CLOCK_GETTIME |
|
|
35 | # define EV_USE_MONOTONIC 1 |
|
|
36 | # define EV_USE_REALTIME 1 |
|
|
37 | # endif |
|
|
38 | |
|
|
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
40 | # define EV_USE_SELECT 1 |
|
|
41 | # endif |
|
|
42 | |
|
|
43 | # if HAVE_POLL && HAVE_POLL_H |
|
|
44 | # define EV_USE_POLL 1 |
|
|
45 | # endif |
|
|
46 | |
|
|
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
|
|
48 | # define EV_USE_EPOLL 1 |
|
|
49 | # endif |
|
|
50 | |
|
|
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
|
|
52 | # define EV_USE_KQUEUE 1 |
|
|
53 | # endif |
|
|
54 | |
33 | #endif |
55 | #endif |
34 | |
56 | |
35 | #include <math.h> |
57 | #include <math.h> |
36 | #include <stdlib.h> |
58 | #include <stdlib.h> |
37 | #include <unistd.h> |
|
|
38 | #include <fcntl.h> |
59 | #include <fcntl.h> |
39 | #include <signal.h> |
|
|
40 | #include <stddef.h> |
60 | #include <stddef.h> |
41 | |
61 | |
42 | #include <stdio.h> |
62 | #include <stdio.h> |
43 | |
63 | |
44 | #include <assert.h> |
64 | #include <assert.h> |
45 | #include <errno.h> |
65 | #include <errno.h> |
46 | #include <sys/types.h> |
66 | #include <sys/types.h> |
|
|
67 | #include <time.h> |
|
|
68 | |
|
|
69 | #include <signal.h> |
|
|
70 | |
47 | #ifndef WIN32 |
71 | #ifndef WIN32 |
|
|
72 | # include <unistd.h> |
|
|
73 | # include <sys/time.h> |
48 | # include <sys/wait.h> |
74 | # include <sys/wait.h> |
49 | #endif |
75 | #endif |
50 | #include <sys/time.h> |
|
|
51 | #include <time.h> |
|
|
52 | |
|
|
53 | /**/ |
76 | /**/ |
54 | |
77 | |
55 | #ifndef EV_USE_MONOTONIC |
78 | #ifndef EV_USE_MONOTONIC |
56 | # define EV_USE_MONOTONIC 1 |
79 | # define EV_USE_MONOTONIC 1 |
57 | #endif |
80 | #endif |
58 | |
81 | |
59 | #ifndef EV_USE_SELECT |
82 | #ifndef EV_USE_SELECT |
60 | # define EV_USE_SELECT 1 |
83 | # define EV_USE_SELECT 1 |
61 | #endif |
84 | #endif |
62 | |
85 | |
63 | #ifndef EV_USEV_POLL |
86 | #ifndef EV_USE_POLL |
64 | # define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
65 | #endif |
88 | #endif |
66 | |
89 | |
67 | #ifndef EV_USE_EPOLL |
90 | #ifndef EV_USE_EPOLL |
68 | # define EV_USE_EPOLL 0 |
91 | # define EV_USE_EPOLL 0 |
69 | #endif |
92 | #endif |
70 | |
93 | |
71 | #ifndef EV_USE_KQUEUE |
94 | #ifndef EV_USE_KQUEUE |
72 | # define EV_USE_KQUEUE 0 |
95 | # define EV_USE_KQUEUE 0 |
|
|
96 | #endif |
|
|
97 | |
|
|
98 | #ifndef EV_USE_WIN32 |
|
|
99 | # ifdef WIN32 |
|
|
100 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
101 | # undef EV_USE_SELECT |
|
|
102 | # define EV_USE_SELECT 1 |
|
|
103 | # else |
|
|
104 | # define EV_USE_WIN32 0 |
|
|
105 | # endif |
73 | #endif |
106 | #endif |
74 | |
107 | |
75 | #ifndef EV_USE_REALTIME |
108 | #ifndef EV_USE_REALTIME |
76 | # define EV_USE_REALTIME 1 |
109 | # define EV_USE_REALTIME 1 |
77 | #endif |
110 | #endif |
… | |
… | |
115 | typedef struct ev_watcher_list *WL; |
148 | typedef struct ev_watcher_list *WL; |
116 | typedef struct ev_watcher_time *WT; |
149 | typedef struct ev_watcher_time *WT; |
117 | |
150 | |
118 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
119 | |
152 | |
|
|
153 | #include "ev_win32.c" |
|
|
154 | |
120 | /*****************************************************************************/ |
155 | /*****************************************************************************/ |
121 | |
156 | |
|
|
157 | static void (*syserr_cb)(const char *msg); |
|
|
158 | |
|
|
159 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
160 | { |
|
|
161 | syserr_cb = cb; |
|
|
162 | } |
|
|
163 | |
|
|
164 | static void |
|
|
165 | syserr (const char *msg) |
|
|
166 | { |
|
|
167 | if (!msg) |
|
|
168 | msg = "(libev) system error"; |
|
|
169 | |
|
|
170 | if (syserr_cb) |
|
|
171 | syserr_cb (msg); |
|
|
172 | else |
|
|
173 | { |
|
|
174 | perror (msg); |
|
|
175 | abort (); |
|
|
176 | } |
|
|
177 | } |
|
|
178 | |
|
|
179 | static void *(*alloc)(void *ptr, long size); |
|
|
180 | |
|
|
181 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
182 | { |
|
|
183 | alloc = cb; |
|
|
184 | } |
|
|
185 | |
|
|
186 | static void * |
|
|
187 | ev_realloc (void *ptr, long size) |
|
|
188 | { |
|
|
189 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
190 | |
|
|
191 | if (!ptr && size) |
|
|
192 | { |
|
|
193 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
194 | abort (); |
|
|
195 | } |
|
|
196 | |
|
|
197 | return ptr; |
|
|
198 | } |
|
|
199 | |
|
|
200 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
201 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
202 | |
|
|
203 | /*****************************************************************************/ |
|
|
204 | |
122 | typedef struct |
205 | typedef struct |
123 | { |
206 | { |
124 | struct ev_watcher_list *head; |
207 | WL head; |
125 | unsigned char events; |
208 | unsigned char events; |
126 | unsigned char reify; |
209 | unsigned char reify; |
127 | } ANFD; |
210 | } ANFD; |
128 | |
211 | |
129 | typedef struct |
212 | typedef struct |
… | |
… | |
132 | int events; |
215 | int events; |
133 | } ANPENDING; |
216 | } ANPENDING; |
134 | |
217 | |
135 | #if EV_MULTIPLICITY |
218 | #if EV_MULTIPLICITY |
136 | |
219 | |
137 | struct ev_loop |
220 | struct ev_loop |
138 | { |
221 | { |
139 | # define VAR(name,decl) decl; |
222 | #define VAR(name,decl) decl; |
140 | # include "ev_vars.h" |
223 | #include "ev_vars.h" |
141 | }; |
|
|
142 | # undef VAR |
224 | #undef VAR |
|
|
225 | }; |
143 | # include "ev_wrap.h" |
226 | #include "ev_wrap.h" |
|
|
227 | |
|
|
228 | struct ev_loop default_loop_struct; |
|
|
229 | static struct ev_loop *default_loop; |
144 | |
230 | |
145 | #else |
231 | #else |
146 | |
232 | |
147 | # define VAR(name,decl) static decl; |
233 | #define VAR(name,decl) static decl; |
148 | # include "ev_vars.h" |
234 | #include "ev_vars.h" |
149 | # undef VAR |
235 | #undef VAR |
|
|
236 | |
|
|
237 | static int default_loop; |
150 | |
238 | |
151 | #endif |
239 | #endif |
152 | |
240 | |
153 | /*****************************************************************************/ |
241 | /*****************************************************************************/ |
154 | |
242 | |
… | |
… | |
185 | ev_now (EV_P) |
273 | ev_now (EV_P) |
186 | { |
274 | { |
187 | return rt_now; |
275 | return rt_now; |
188 | } |
276 | } |
189 | |
277 | |
190 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
278 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
191 | |
279 | |
192 | #define array_needsize(base,cur,cnt,init) \ |
280 | #define array_needsize(type,base,cur,cnt,init) \ |
193 | if (expect_false ((cnt) > cur)) \ |
281 | if (expect_false ((cnt) > cur)) \ |
194 | { \ |
282 | { \ |
195 | int newcnt = cur; \ |
283 | int newcnt = cur; \ |
196 | do \ |
284 | do \ |
197 | { \ |
285 | { \ |
198 | newcnt = array_roundsize (base, newcnt << 1); \ |
286 | newcnt = array_roundsize (type, newcnt << 1); \ |
199 | } \ |
287 | } \ |
200 | while ((cnt) > newcnt); \ |
288 | while ((cnt) > newcnt); \ |
201 | \ |
289 | \ |
202 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
290 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
203 | init (base + cur, newcnt - cur); \ |
291 | init (base + cur, newcnt - cur); \ |
204 | cur = newcnt; \ |
292 | cur = newcnt; \ |
205 | } |
293 | } |
|
|
294 | |
|
|
295 | #define array_slim(type,stem) \ |
|
|
296 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
297 | { \ |
|
|
298 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
299 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
300 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
301 | } |
|
|
302 | |
|
|
303 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
304 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
305 | #define array_free_microshit(stem) \ |
|
|
306 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
307 | |
|
|
308 | #define array_free(stem, idx) \ |
|
|
309 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
206 | |
310 | |
207 | /*****************************************************************************/ |
311 | /*****************************************************************************/ |
208 | |
312 | |
209 | static void |
313 | static void |
210 | anfds_init (ANFD *base, int count) |
314 | anfds_init (ANFD *base, int count) |
… | |
… | |
217 | |
321 | |
218 | ++base; |
322 | ++base; |
219 | } |
323 | } |
220 | } |
324 | } |
221 | |
325 | |
222 | static void |
326 | void |
223 | event (EV_P_ W w, int events) |
327 | ev_feed_event (EV_P_ void *w, int revents) |
224 | { |
328 | { |
|
|
329 | W w_ = (W)w; |
|
|
330 | |
225 | if (w->pending) |
331 | if (w_->pending) |
226 | { |
332 | { |
227 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
333 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
228 | return; |
334 | return; |
229 | } |
335 | } |
230 | |
336 | |
231 | w->pending = ++pendingcnt [ABSPRI (w)]; |
337 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
232 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
338 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
233 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
339 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
234 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
340 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
235 | } |
341 | } |
236 | |
342 | |
237 | static void |
343 | static void |
238 | queue_events (EV_P_ W *events, int eventcnt, int type) |
344 | queue_events (EV_P_ W *events, int eventcnt, int type) |
239 | { |
345 | { |
240 | int i; |
346 | int i; |
241 | |
347 | |
242 | for (i = 0; i < eventcnt; ++i) |
348 | for (i = 0; i < eventcnt; ++i) |
243 | event (EV_A_ events [i], type); |
349 | ev_feed_event (EV_A_ events [i], type); |
244 | } |
350 | } |
245 | |
351 | |
246 | static void |
352 | inline void |
247 | fd_event (EV_P_ int fd, int events) |
353 | fd_event (EV_P_ int fd, int revents) |
248 | { |
354 | { |
249 | ANFD *anfd = anfds + fd; |
355 | ANFD *anfd = anfds + fd; |
250 | struct ev_io *w; |
356 | struct ev_io *w; |
251 | |
357 | |
252 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
358 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
253 | { |
359 | { |
254 | int ev = w->events & events; |
360 | int ev = w->events & revents; |
255 | |
361 | |
256 | if (ev) |
362 | if (ev) |
257 | event (EV_A_ (W)w, ev); |
363 | ev_feed_event (EV_A_ (W)w, ev); |
258 | } |
364 | } |
|
|
365 | } |
|
|
366 | |
|
|
367 | void |
|
|
368 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
369 | { |
|
|
370 | fd_event (EV_A_ fd, revents); |
259 | } |
371 | } |
260 | |
372 | |
261 | /*****************************************************************************/ |
373 | /*****************************************************************************/ |
262 | |
374 | |
263 | static void |
375 | static void |
… | |
… | |
276 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
388 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
277 | events |= w->events; |
389 | events |= w->events; |
278 | |
390 | |
279 | anfd->reify = 0; |
391 | anfd->reify = 0; |
280 | |
392 | |
281 | if (anfd->events != events) |
|
|
282 | { |
|
|
283 | method_modify (EV_A_ fd, anfd->events, events); |
393 | method_modify (EV_A_ fd, anfd->events, events); |
284 | anfd->events = events; |
394 | anfd->events = events; |
285 | } |
|
|
286 | } |
395 | } |
287 | |
396 | |
288 | fdchangecnt = 0; |
397 | fdchangecnt = 0; |
289 | } |
398 | } |
290 | |
399 | |
291 | static void |
400 | static void |
292 | fd_change (EV_P_ int fd) |
401 | fd_change (EV_P_ int fd) |
293 | { |
402 | { |
294 | if (anfds [fd].reify || fdchangecnt < 0) |
403 | if (anfds [fd].reify) |
295 | return; |
404 | return; |
296 | |
405 | |
297 | anfds [fd].reify = 1; |
406 | anfds [fd].reify = 1; |
298 | |
407 | |
299 | ++fdchangecnt; |
408 | ++fdchangecnt; |
300 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
409 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
301 | fdchanges [fdchangecnt - 1] = fd; |
410 | fdchanges [fdchangecnt - 1] = fd; |
302 | } |
411 | } |
303 | |
412 | |
304 | static void |
413 | static void |
305 | fd_kill (EV_P_ int fd) |
414 | fd_kill (EV_P_ int fd) |
… | |
… | |
307 | struct ev_io *w; |
416 | struct ev_io *w; |
308 | |
417 | |
309 | while ((w = (struct ev_io *)anfds [fd].head)) |
418 | while ((w = (struct ev_io *)anfds [fd].head)) |
310 | { |
419 | { |
311 | ev_io_stop (EV_A_ w); |
420 | ev_io_stop (EV_A_ w); |
312 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
421 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
313 | } |
422 | } |
|
|
423 | } |
|
|
424 | |
|
|
425 | static int |
|
|
426 | fd_valid (int fd) |
|
|
427 | { |
|
|
428 | #ifdef WIN32 |
|
|
429 | return !!win32_get_osfhandle (fd); |
|
|
430 | #else |
|
|
431 | return fcntl (fd, F_GETFD) != -1; |
|
|
432 | #endif |
314 | } |
433 | } |
315 | |
434 | |
316 | /* called on EBADF to verify fds */ |
435 | /* called on EBADF to verify fds */ |
317 | static void |
436 | static void |
318 | fd_ebadf (EV_P) |
437 | fd_ebadf (EV_P) |
319 | { |
438 | { |
320 | int fd; |
439 | int fd; |
321 | |
440 | |
322 | for (fd = 0; fd < anfdmax; ++fd) |
441 | for (fd = 0; fd < anfdmax; ++fd) |
323 | if (anfds [fd].events) |
442 | if (anfds [fd].events) |
324 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
443 | if (!fd_valid (fd) == -1 && errno == EBADF) |
325 | fd_kill (EV_A_ fd); |
444 | fd_kill (EV_A_ fd); |
326 | } |
445 | } |
327 | |
446 | |
328 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
447 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
329 | static void |
448 | static void |
330 | fd_enomem (EV_P) |
449 | fd_enomem (EV_P) |
331 | { |
450 | { |
332 | int fd = anfdmax; |
451 | int fd; |
333 | |
452 | |
334 | while (fd--) |
453 | for (fd = anfdmax; fd--; ) |
335 | if (anfds [fd].events) |
454 | if (anfds [fd].events) |
336 | { |
455 | { |
337 | close (fd); |
|
|
338 | fd_kill (EV_A_ fd); |
456 | fd_kill (EV_A_ fd); |
339 | return; |
457 | return; |
340 | } |
458 | } |
341 | } |
459 | } |
342 | |
460 | |
|
|
461 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
|
|
462 | static void |
|
|
463 | fd_rearm_all (EV_P) |
|
|
464 | { |
|
|
465 | int fd; |
|
|
466 | |
|
|
467 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
468 | for (fd = 0; fd < anfdmax; ++fd) |
|
|
469 | if (anfds [fd].events) |
|
|
470 | { |
|
|
471 | anfds [fd].events = 0; |
|
|
472 | fd_change (EV_A_ fd); |
|
|
473 | } |
|
|
474 | } |
|
|
475 | |
343 | /*****************************************************************************/ |
476 | /*****************************************************************************/ |
344 | |
477 | |
345 | static void |
478 | static void |
346 | upheap (WT *heap, int k) |
479 | upheap (WT *heap, int k) |
347 | { |
480 | { |
348 | WT w = heap [k]; |
481 | WT w = heap [k]; |
349 | |
482 | |
350 | while (k && heap [k >> 1]->at > w->at) |
483 | while (k && heap [k >> 1]->at > w->at) |
351 | { |
484 | { |
352 | heap [k] = heap [k >> 1]; |
485 | heap [k] = heap [k >> 1]; |
353 | heap [k]->active = k + 1; |
486 | ((W)heap [k])->active = k + 1; |
354 | k >>= 1; |
487 | k >>= 1; |
355 | } |
488 | } |
356 | |
489 | |
357 | heap [k] = w; |
490 | heap [k] = w; |
358 | heap [k]->active = k + 1; |
491 | ((W)heap [k])->active = k + 1; |
359 | |
492 | |
360 | } |
493 | } |
361 | |
494 | |
362 | static void |
495 | static void |
363 | downheap (WT *heap, int N, int k) |
496 | downheap (WT *heap, int N, int k) |
… | |
… | |
373 | |
506 | |
374 | if (w->at <= heap [j]->at) |
507 | if (w->at <= heap [j]->at) |
375 | break; |
508 | break; |
376 | |
509 | |
377 | heap [k] = heap [j]; |
510 | heap [k] = heap [j]; |
378 | heap [k]->active = k + 1; |
511 | ((W)heap [k])->active = k + 1; |
379 | k = j; |
512 | k = j; |
380 | } |
513 | } |
381 | |
514 | |
382 | heap [k] = w; |
515 | heap [k] = w; |
383 | heap [k]->active = k + 1; |
516 | ((W)heap [k])->active = k + 1; |
384 | } |
517 | } |
385 | |
518 | |
386 | /*****************************************************************************/ |
519 | /*****************************************************************************/ |
387 | |
520 | |
388 | typedef struct |
521 | typedef struct |
389 | { |
522 | { |
390 | struct ev_watcher_list *head; |
523 | WL head; |
391 | sig_atomic_t volatile gotsig; |
524 | sig_atomic_t volatile gotsig; |
392 | } ANSIG; |
525 | } ANSIG; |
393 | |
526 | |
394 | static ANSIG *signals; |
527 | static ANSIG *signals; |
395 | static int signalmax; |
528 | static int signalmax; |
396 | |
529 | |
397 | static int sigpipe [2]; |
530 | static int sigpipe [2]; |
398 | static sig_atomic_t volatile gotsig; |
531 | static sig_atomic_t volatile gotsig; |
|
|
532 | static struct ev_io sigev; |
399 | |
533 | |
400 | static void |
534 | static void |
401 | signals_init (ANSIG *base, int count) |
535 | signals_init (ANSIG *base, int count) |
402 | { |
536 | { |
403 | while (count--) |
537 | while (count--) |
… | |
… | |
410 | } |
544 | } |
411 | |
545 | |
412 | static void |
546 | static void |
413 | sighandler (int signum) |
547 | sighandler (int signum) |
414 | { |
548 | { |
|
|
549 | #if WIN32 |
|
|
550 | signal (signum, sighandler); |
|
|
551 | #endif |
|
|
552 | |
415 | signals [signum - 1].gotsig = 1; |
553 | signals [signum - 1].gotsig = 1; |
416 | |
554 | |
417 | if (!gotsig) |
555 | if (!gotsig) |
418 | { |
556 | { |
419 | int old_errno = errno; |
557 | int old_errno = errno; |
420 | gotsig = 1; |
558 | gotsig = 1; |
|
|
559 | #ifdef WIN32 |
|
|
560 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
561 | #else |
421 | write (sigpipe [1], &signum, 1); |
562 | write (sigpipe [1], &signum, 1); |
|
|
563 | #endif |
422 | errno = old_errno; |
564 | errno = old_errno; |
423 | } |
565 | } |
424 | } |
566 | } |
425 | |
567 | |
|
|
568 | void |
|
|
569 | ev_feed_signal_event (EV_P_ int signum) |
|
|
570 | { |
|
|
571 | WL w; |
|
|
572 | |
|
|
573 | #if EV_MULTIPLICITY |
|
|
574 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
|
|
575 | #endif |
|
|
576 | |
|
|
577 | --signum; |
|
|
578 | |
|
|
579 | if (signum < 0 || signum >= signalmax) |
|
|
580 | return; |
|
|
581 | |
|
|
582 | signals [signum].gotsig = 0; |
|
|
583 | |
|
|
584 | for (w = signals [signum].head; w; w = w->next) |
|
|
585 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
586 | } |
|
|
587 | |
426 | static void |
588 | static void |
427 | sigcb (EV_P_ struct ev_io *iow, int revents) |
589 | sigcb (EV_P_ struct ev_io *iow, int revents) |
428 | { |
590 | { |
429 | struct ev_watcher_list *w; |
|
|
430 | int signum; |
591 | int signum; |
431 | |
592 | |
|
|
593 | #ifdef WIN32 |
|
|
594 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
595 | #else |
432 | read (sigpipe [0], &revents, 1); |
596 | read (sigpipe [0], &revents, 1); |
|
|
597 | #endif |
433 | gotsig = 0; |
598 | gotsig = 0; |
434 | |
599 | |
435 | for (signum = signalmax; signum--; ) |
600 | for (signum = signalmax; signum--; ) |
436 | if (signals [signum].gotsig) |
601 | if (signals [signum].gotsig) |
437 | { |
602 | ev_feed_signal_event (EV_A_ signum + 1); |
438 | signals [signum].gotsig = 0; |
|
|
439 | |
|
|
440 | for (w = signals [signum].head; w; w = w->next) |
|
|
441 | event (EV_A_ (W)w, EV_SIGNAL); |
|
|
442 | } |
|
|
443 | } |
603 | } |
444 | |
604 | |
445 | static void |
605 | static void |
446 | siginit (EV_P) |
606 | siginit (EV_P) |
447 | { |
607 | { |
… | |
… | |
459 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
619 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
460 | } |
620 | } |
461 | |
621 | |
462 | /*****************************************************************************/ |
622 | /*****************************************************************************/ |
463 | |
623 | |
|
|
624 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
625 | |
464 | #ifndef WIN32 |
626 | #ifndef WIN32 |
|
|
627 | |
|
|
628 | static struct ev_signal childev; |
465 | |
629 | |
466 | #ifndef WCONTINUED |
630 | #ifndef WCONTINUED |
467 | # define WCONTINUED 0 |
631 | # define WCONTINUED 0 |
468 | #endif |
632 | #endif |
469 | |
633 | |
… | |
… | |
473 | struct ev_child *w; |
637 | struct ev_child *w; |
474 | |
638 | |
475 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
639 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
476 | if (w->pid == pid || !w->pid) |
640 | if (w->pid == pid || !w->pid) |
477 | { |
641 | { |
478 | w->priority = sw->priority; /* need to do it *now* */ |
642 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
479 | w->rpid = pid; |
643 | w->rpid = pid; |
480 | w->rstatus = status; |
644 | w->rstatus = status; |
481 | event (EV_A_ (W)w, EV_CHILD); |
645 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
482 | } |
646 | } |
483 | } |
647 | } |
484 | |
648 | |
485 | static void |
649 | static void |
486 | childcb (EV_P_ struct ev_signal *sw, int revents) |
650 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
488 | int pid, status; |
652 | int pid, status; |
489 | |
653 | |
490 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
654 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
491 | { |
655 | { |
492 | /* make sure we are called again until all childs have been reaped */ |
656 | /* make sure we are called again until all childs have been reaped */ |
493 | event (EV_A_ (W)sw, EV_SIGNAL); |
657 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
494 | |
658 | |
495 | child_reap (EV_A_ sw, pid, pid, status); |
659 | child_reap (EV_A_ sw, pid, pid, status); |
496 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
660 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
497 | } |
661 | } |
498 | } |
662 | } |
… | |
… | |
505 | # include "ev_kqueue.c" |
669 | # include "ev_kqueue.c" |
506 | #endif |
670 | #endif |
507 | #if EV_USE_EPOLL |
671 | #if EV_USE_EPOLL |
508 | # include "ev_epoll.c" |
672 | # include "ev_epoll.c" |
509 | #endif |
673 | #endif |
510 | #if EV_USEV_POLL |
674 | #if EV_USE_POLL |
511 | # include "ev_poll.c" |
675 | # include "ev_poll.c" |
512 | #endif |
676 | #endif |
513 | #if EV_USE_SELECT |
677 | #if EV_USE_SELECT |
514 | # include "ev_select.c" |
678 | # include "ev_select.c" |
515 | #endif |
679 | #endif |
… | |
… | |
542 | ev_method (EV_P) |
706 | ev_method (EV_P) |
543 | { |
707 | { |
544 | return method; |
708 | return method; |
545 | } |
709 | } |
546 | |
710 | |
547 | inline int |
711 | static void |
548 | loop_init (EV_P_ int methods) |
712 | loop_init (EV_P_ int methods) |
549 | { |
713 | { |
550 | if (!method) |
714 | if (!method) |
551 | { |
715 | { |
552 | #if EV_USE_MONOTONIC |
716 | #if EV_USE_MONOTONIC |
… | |
… | |
560 | rt_now = ev_time (); |
724 | rt_now = ev_time (); |
561 | mn_now = get_clock (); |
725 | mn_now = get_clock (); |
562 | now_floor = mn_now; |
726 | now_floor = mn_now; |
563 | rtmn_diff = rt_now - mn_now; |
727 | rtmn_diff = rt_now - mn_now; |
564 | |
728 | |
565 | if (pipe (sigpipe)) |
|
|
566 | return 0; |
|
|
567 | |
|
|
568 | if (methods == EVMETHOD_AUTO) |
729 | if (methods == EVMETHOD_AUTO) |
569 | if (!enable_secure () && getenv ("LIBmethodS")) |
730 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
570 | methods = atoi (getenv ("LIBmethodS")); |
731 | methods = atoi (getenv ("LIBEV_METHODS")); |
571 | else |
732 | else |
572 | methods = EVMETHOD_ANY; |
733 | methods = EVMETHOD_ANY; |
573 | |
734 | |
574 | method = 0; |
735 | method = 0; |
|
|
736 | #if EV_USE_WIN32 |
|
|
737 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
738 | #endif |
575 | #if EV_USE_KQUEUE |
739 | #if EV_USE_KQUEUE |
576 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
740 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
577 | #endif |
741 | #endif |
578 | #if EV_USE_EPOLL |
742 | #if EV_USE_EPOLL |
579 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
743 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
580 | #endif |
744 | #endif |
581 | #if EV_USEV_POLL |
745 | #if EV_USE_POLL |
582 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
746 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
583 | #endif |
747 | #endif |
584 | #if EV_USE_SELECT |
748 | #if EV_USE_SELECT |
585 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
749 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
586 | #endif |
750 | #endif |
587 | |
751 | |
|
|
752 | ev_watcher_init (&sigev, sigcb); |
|
|
753 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
754 | } |
|
|
755 | } |
|
|
756 | |
|
|
757 | void |
|
|
758 | loop_destroy (EV_P) |
|
|
759 | { |
|
|
760 | int i; |
|
|
761 | |
|
|
762 | #if EV_USE_WIN32 |
|
|
763 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
|
|
764 | #endif |
|
|
765 | #if EV_USE_KQUEUE |
|
|
766 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
|
|
767 | #endif |
|
|
768 | #if EV_USE_EPOLL |
|
|
769 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
|
|
770 | #endif |
|
|
771 | #if EV_USE_POLL |
|
|
772 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
|
|
773 | #endif |
|
|
774 | #if EV_USE_SELECT |
|
|
775 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
|
|
776 | #endif |
|
|
777 | |
|
|
778 | for (i = NUMPRI; i--; ) |
|
|
779 | array_free (pending, [i]); |
|
|
780 | |
|
|
781 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
782 | array_free_microshit (fdchange); |
|
|
783 | array_free_microshit (timer); |
|
|
784 | array_free_microshit (periodic); |
|
|
785 | array_free_microshit (idle); |
|
|
786 | array_free_microshit (prepare); |
|
|
787 | array_free_microshit (check); |
|
|
788 | |
|
|
789 | method = 0; |
|
|
790 | } |
|
|
791 | |
|
|
792 | static void |
|
|
793 | loop_fork (EV_P) |
|
|
794 | { |
|
|
795 | #if EV_USE_EPOLL |
|
|
796 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
|
|
797 | #endif |
|
|
798 | #if EV_USE_KQUEUE |
|
|
799 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
800 | #endif |
|
|
801 | |
|
|
802 | if (ev_is_active (&sigev)) |
|
|
803 | { |
|
|
804 | /* default loop */ |
|
|
805 | |
|
|
806 | ev_ref (EV_A); |
|
|
807 | ev_io_stop (EV_A_ &sigev); |
|
|
808 | close (sigpipe [0]); |
|
|
809 | close (sigpipe [1]); |
|
|
810 | |
|
|
811 | while (pipe (sigpipe)) |
|
|
812 | syserr ("(libev) error creating pipe"); |
|
|
813 | |
|
|
814 | siginit (EV_A); |
|
|
815 | } |
|
|
816 | |
|
|
817 | postfork = 0; |
|
|
818 | } |
|
|
819 | |
|
|
820 | #if EV_MULTIPLICITY |
|
|
821 | struct ev_loop * |
|
|
822 | ev_loop_new (int methods) |
|
|
823 | { |
|
|
824 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
|
|
825 | |
|
|
826 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
827 | |
|
|
828 | loop_init (EV_A_ methods); |
|
|
829 | |
|
|
830 | if (ev_method (EV_A)) |
|
|
831 | return loop; |
|
|
832 | |
|
|
833 | return 0; |
|
|
834 | } |
|
|
835 | |
|
|
836 | void |
|
|
837 | ev_loop_destroy (EV_P) |
|
|
838 | { |
|
|
839 | loop_destroy (EV_A); |
|
|
840 | ev_free (loop); |
|
|
841 | } |
|
|
842 | |
|
|
843 | void |
|
|
844 | ev_loop_fork (EV_P) |
|
|
845 | { |
|
|
846 | postfork = 1; |
|
|
847 | } |
|
|
848 | |
|
|
849 | #endif |
|
|
850 | |
|
|
851 | #if EV_MULTIPLICITY |
|
|
852 | struct ev_loop * |
|
|
853 | #else |
|
|
854 | int |
|
|
855 | #endif |
|
|
856 | ev_default_loop (int methods) |
|
|
857 | { |
|
|
858 | if (sigpipe [0] == sigpipe [1]) |
|
|
859 | if (pipe (sigpipe)) |
|
|
860 | return 0; |
|
|
861 | |
|
|
862 | if (!default_loop) |
|
|
863 | { |
|
|
864 | #if EV_MULTIPLICITY |
|
|
865 | struct ev_loop *loop = default_loop = &default_loop_struct; |
|
|
866 | #else |
|
|
867 | default_loop = 1; |
|
|
868 | #endif |
|
|
869 | |
|
|
870 | loop_init (EV_A_ methods); |
|
|
871 | |
588 | if (method) |
872 | if (ev_method (EV_A)) |
589 | { |
873 | { |
590 | ev_watcher_init (&sigev, sigcb); |
|
|
591 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
592 | siginit (EV_A); |
874 | siginit (EV_A); |
593 | |
875 | |
594 | #ifndef WIN32 |
876 | #ifndef WIN32 |
595 | ev_signal_init (&childev, childcb, SIGCHLD); |
877 | ev_signal_init (&childev, childcb, SIGCHLD); |
596 | ev_set_priority (&childev, EV_MAXPRI); |
878 | ev_set_priority (&childev, EV_MAXPRI); |
597 | ev_signal_start (EV_A_ &childev); |
879 | ev_signal_start (EV_A_ &childev); |
598 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
880 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
599 | #endif |
881 | #endif |
600 | } |
882 | } |
|
|
883 | else |
|
|
884 | default_loop = 0; |
601 | } |
885 | } |
602 | |
886 | |
603 | return method; |
887 | return default_loop; |
604 | } |
888 | } |
605 | |
889 | |
|
|
890 | void |
|
|
891 | ev_default_destroy (void) |
|
|
892 | { |
606 | #if EV_MULTIPLICITY |
893 | #if EV_MULTIPLICITY |
|
|
894 | struct ev_loop *loop = default_loop; |
|
|
895 | #endif |
607 | |
896 | |
608 | struct ev_loop * |
897 | #ifndef WIN32 |
609 | ev_loop_new (int methods) |
898 | ev_ref (EV_A); /* child watcher */ |
610 | { |
899 | ev_signal_stop (EV_A_ &childev); |
611 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
900 | #endif |
612 | |
901 | |
613 | if (loop_init (EV_A_ methods)) |
902 | ev_ref (EV_A); /* signal watcher */ |
|
|
903 | ev_io_stop (EV_A_ &sigev); |
|
|
904 | |
|
|
905 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
906 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
907 | |
|
|
908 | loop_destroy (EV_A); |
|
|
909 | } |
|
|
910 | |
|
|
911 | void |
|
|
912 | ev_default_fork (void) |
|
|
913 | { |
|
|
914 | #if EV_MULTIPLICITY |
|
|
915 | struct ev_loop *loop = default_loop; |
|
|
916 | #endif |
|
|
917 | |
|
|
918 | if (method) |
|
|
919 | postfork = 1; |
|
|
920 | } |
|
|
921 | |
|
|
922 | /*****************************************************************************/ |
|
|
923 | |
|
|
924 | static int |
|
|
925 | any_pending (EV_P) |
|
|
926 | { |
|
|
927 | int pri; |
|
|
928 | |
|
|
929 | for (pri = NUMPRI; pri--; ) |
|
|
930 | if (pendingcnt [pri]) |
614 | return loop; |
931 | return 1; |
615 | |
|
|
616 | ev_loop_delete (loop); |
|
|
617 | |
932 | |
618 | return 0; |
933 | return 0; |
619 | } |
934 | } |
620 | |
|
|
621 | void |
|
|
622 | ev_loop_delete (EV_P) |
|
|
623 | { |
|
|
624 | /*TODO*/ |
|
|
625 | free (loop); |
|
|
626 | } |
|
|
627 | |
|
|
628 | #else |
|
|
629 | |
|
|
630 | int |
|
|
631 | ev_init (int methods) |
|
|
632 | { |
|
|
633 | return loop_init (methods); |
|
|
634 | } |
|
|
635 | |
|
|
636 | #endif |
|
|
637 | |
|
|
638 | /*****************************************************************************/ |
|
|
639 | |
|
|
640 | void |
|
|
641 | ev_fork_prepare (void) |
|
|
642 | { |
|
|
643 | /* nop */ |
|
|
644 | } |
|
|
645 | |
|
|
646 | void |
|
|
647 | ev_fork_parent (void) |
|
|
648 | { |
|
|
649 | /* nop */ |
|
|
650 | } |
|
|
651 | |
|
|
652 | void |
|
|
653 | ev_fork_child (void) |
|
|
654 | { |
|
|
655 | /*TODO*/ |
|
|
656 | #if !EV_MULTIPLICITY |
|
|
657 | #if EV_USE_EPOLL |
|
|
658 | if (method == EVMETHOD_EPOLL) |
|
|
659 | epoll_postfork_child (EV_A); |
|
|
660 | #endif |
|
|
661 | |
|
|
662 | ev_io_stop (EV_A_ &sigev); |
|
|
663 | close (sigpipe [0]); |
|
|
664 | close (sigpipe [1]); |
|
|
665 | pipe (sigpipe); |
|
|
666 | siginit (EV_A); |
|
|
667 | #endif |
|
|
668 | } |
|
|
669 | |
|
|
670 | /*****************************************************************************/ |
|
|
671 | |
935 | |
672 | static void |
936 | static void |
673 | call_pending (EV_P) |
937 | call_pending (EV_P) |
674 | { |
938 | { |
675 | int pri; |
939 | int pri; |
… | |
… | |
688 | } |
952 | } |
689 | |
953 | |
690 | static void |
954 | static void |
691 | timers_reify (EV_P) |
955 | timers_reify (EV_P) |
692 | { |
956 | { |
693 | while (timercnt && timers [0]->at <= mn_now) |
957 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
694 | { |
958 | { |
695 | struct ev_timer *w = timers [0]; |
959 | struct ev_timer *w = timers [0]; |
|
|
960 | |
|
|
961 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
696 | |
962 | |
697 | /* first reschedule or stop timer */ |
963 | /* first reschedule or stop timer */ |
698 | if (w->repeat) |
964 | if (w->repeat) |
699 | { |
965 | { |
700 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
966 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
701 | w->at = mn_now + w->repeat; |
967 | ((WT)w)->at = mn_now + w->repeat; |
702 | downheap ((WT *)timers, timercnt, 0); |
968 | downheap ((WT *)timers, timercnt, 0); |
703 | } |
969 | } |
704 | else |
970 | else |
705 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
971 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
706 | |
972 | |
707 | event (EV_A_ (W)w, EV_TIMEOUT); |
973 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
708 | } |
974 | } |
709 | } |
975 | } |
710 | |
976 | |
711 | static void |
977 | static void |
712 | periodics_reify (EV_P) |
978 | periodics_reify (EV_P) |
713 | { |
979 | { |
714 | while (periodiccnt && periodics [0]->at <= rt_now) |
980 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
715 | { |
981 | { |
716 | struct ev_periodic *w = periodics [0]; |
982 | struct ev_periodic *w = periodics [0]; |
717 | |
983 | |
|
|
984 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
|
|
985 | |
718 | /* first reschedule or stop timer */ |
986 | /* first reschedule or stop timer */ |
719 | if (w->interval) |
987 | if (w->reschedule_cb) |
720 | { |
988 | { |
|
|
989 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); |
|
|
990 | |
|
|
991 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); |
|
|
992 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
993 | } |
|
|
994 | else if (w->interval) |
|
|
995 | { |
721 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
996 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
722 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
997 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
723 | downheap ((WT *)periodics, periodiccnt, 0); |
998 | downheap ((WT *)periodics, periodiccnt, 0); |
724 | } |
999 | } |
725 | else |
1000 | else |
726 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1001 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
727 | |
1002 | |
728 | event (EV_A_ (W)w, EV_PERIODIC); |
1003 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
729 | } |
1004 | } |
730 | } |
1005 | } |
731 | |
1006 | |
732 | static void |
1007 | static void |
733 | periodics_reschedule (EV_P) |
1008 | periodics_reschedule (EV_P) |
… | |
… | |
737 | /* adjust periodics after time jump */ |
1012 | /* adjust periodics after time jump */ |
738 | for (i = 0; i < periodiccnt; ++i) |
1013 | for (i = 0; i < periodiccnt; ++i) |
739 | { |
1014 | { |
740 | struct ev_periodic *w = periodics [i]; |
1015 | struct ev_periodic *w = periodics [i]; |
741 | |
1016 | |
|
|
1017 | if (w->reschedule_cb) |
|
|
1018 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
742 | if (w->interval) |
1019 | else if (w->interval) |
743 | { |
|
|
744 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
1020 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
745 | |
|
|
746 | if (fabs (diff) >= 1e-4) |
|
|
747 | { |
|
|
748 | ev_periodic_stop (EV_A_ w); |
|
|
749 | ev_periodic_start (EV_A_ w); |
|
|
750 | |
|
|
751 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
752 | } |
|
|
753 | } |
|
|
754 | } |
1021 | } |
|
|
1022 | |
|
|
1023 | /* now rebuild the heap */ |
|
|
1024 | for (i = periodiccnt >> 1; i--; ) |
|
|
1025 | downheap ((WT *)periodics, periodiccnt, i); |
755 | } |
1026 | } |
756 | |
1027 | |
757 | inline int |
1028 | inline int |
758 | time_update_monotonic (EV_P) |
1029 | time_update_monotonic (EV_P) |
759 | { |
1030 | { |
… | |
… | |
810 | { |
1081 | { |
811 | periodics_reschedule (EV_A); |
1082 | periodics_reschedule (EV_A); |
812 | |
1083 | |
813 | /* adjust timers. this is easy, as the offset is the same for all */ |
1084 | /* adjust timers. this is easy, as the offset is the same for all */ |
814 | for (i = 0; i < timercnt; ++i) |
1085 | for (i = 0; i < timercnt; ++i) |
815 | timers [i]->at += rt_now - mn_now; |
1086 | ((WT)timers [i])->at += rt_now - mn_now; |
816 | } |
1087 | } |
817 | |
1088 | |
818 | mn_now = rt_now; |
1089 | mn_now = rt_now; |
819 | } |
1090 | } |
820 | } |
1091 | } |
… | |
… | |
846 | { |
1117 | { |
847 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1118 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
848 | call_pending (EV_A); |
1119 | call_pending (EV_A); |
849 | } |
1120 | } |
850 | |
1121 | |
|
|
1122 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1123 | if (expect_false (postfork)) |
|
|
1124 | loop_fork (EV_A); |
|
|
1125 | |
851 | /* update fd-related kernel structures */ |
1126 | /* update fd-related kernel structures */ |
852 | fd_reify (EV_A); |
1127 | fd_reify (EV_A); |
853 | |
1128 | |
854 | /* calculate blocking time */ |
1129 | /* calculate blocking time */ |
855 | |
1130 | |
856 | /* we only need this for !monotonic clockor timers, but as we basically |
1131 | /* we only need this for !monotonic clock or timers, but as we basically |
857 | always have timers, we just calculate it always */ |
1132 | always have timers, we just calculate it always */ |
858 | #if EV_USE_MONOTONIC |
1133 | #if EV_USE_MONOTONIC |
859 | if (expect_true (have_monotonic)) |
1134 | if (expect_true (have_monotonic)) |
860 | time_update_monotonic (EV_A); |
1135 | time_update_monotonic (EV_A); |
861 | else |
1136 | else |
… | |
… | |
871 | { |
1146 | { |
872 | block = MAX_BLOCKTIME; |
1147 | block = MAX_BLOCKTIME; |
873 | |
1148 | |
874 | if (timercnt) |
1149 | if (timercnt) |
875 | { |
1150 | { |
876 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
1151 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
877 | if (block > to) block = to; |
1152 | if (block > to) block = to; |
878 | } |
1153 | } |
879 | |
1154 | |
880 | if (periodiccnt) |
1155 | if (periodiccnt) |
881 | { |
1156 | { |
882 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
1157 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
883 | if (block > to) block = to; |
1158 | if (block > to) block = to; |
884 | } |
1159 | } |
885 | |
1160 | |
886 | if (block < 0.) block = 0.; |
1161 | if (block < 0.) block = 0.; |
887 | } |
1162 | } |
… | |
… | |
894 | /* queue pending timers and reschedule them */ |
1169 | /* queue pending timers and reschedule them */ |
895 | timers_reify (EV_A); /* relative timers called last */ |
1170 | timers_reify (EV_A); /* relative timers called last */ |
896 | periodics_reify (EV_A); /* absolute timers called first */ |
1171 | periodics_reify (EV_A); /* absolute timers called first */ |
897 | |
1172 | |
898 | /* queue idle watchers unless io or timers are pending */ |
1173 | /* queue idle watchers unless io or timers are pending */ |
899 | if (!pendingcnt) |
1174 | if (idlecnt && !any_pending (EV_A)) |
900 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1175 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
901 | |
1176 | |
902 | /* queue check watchers, to be executed first */ |
1177 | /* queue check watchers, to be executed first */ |
903 | if (checkcnt) |
1178 | if (checkcnt) |
904 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1179 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
979 | return; |
1254 | return; |
980 | |
1255 | |
981 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1256 | assert (("ev_io_start called with negative fd", fd >= 0)); |
982 | |
1257 | |
983 | ev_start (EV_A_ (W)w, 1); |
1258 | ev_start (EV_A_ (W)w, 1); |
984 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1259 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
985 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1260 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
986 | |
1261 | |
987 | fd_change (EV_A_ fd); |
1262 | fd_change (EV_A_ fd); |
988 | } |
1263 | } |
989 | |
1264 | |
… | |
… | |
1004 | ev_timer_start (EV_P_ struct ev_timer *w) |
1279 | ev_timer_start (EV_P_ struct ev_timer *w) |
1005 | { |
1280 | { |
1006 | if (ev_is_active (w)) |
1281 | if (ev_is_active (w)) |
1007 | return; |
1282 | return; |
1008 | |
1283 | |
1009 | w->at += mn_now; |
1284 | ((WT)w)->at += mn_now; |
1010 | |
1285 | |
1011 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1286 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1012 | |
1287 | |
1013 | ev_start (EV_A_ (W)w, ++timercnt); |
1288 | ev_start (EV_A_ (W)w, ++timercnt); |
1014 | array_needsize (timers, timermax, timercnt, ); |
1289 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1015 | timers [timercnt - 1] = w; |
1290 | timers [timercnt - 1] = w; |
1016 | upheap ((WT *)timers, timercnt - 1); |
1291 | upheap ((WT *)timers, timercnt - 1); |
|
|
1292 | |
|
|
1293 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1017 | } |
1294 | } |
1018 | |
1295 | |
1019 | void |
1296 | void |
1020 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1297 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1021 | { |
1298 | { |
1022 | ev_clear_pending (EV_A_ (W)w); |
1299 | ev_clear_pending (EV_A_ (W)w); |
1023 | if (!ev_is_active (w)) |
1300 | if (!ev_is_active (w)) |
1024 | return; |
1301 | return; |
1025 | |
1302 | |
|
|
1303 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1304 | |
1026 | if (w->active < timercnt--) |
1305 | if (((W)w)->active < timercnt--) |
1027 | { |
1306 | { |
1028 | timers [w->active - 1] = timers [timercnt]; |
1307 | timers [((W)w)->active - 1] = timers [timercnt]; |
1029 | downheap ((WT *)timers, timercnt, w->active - 1); |
1308 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1030 | } |
1309 | } |
1031 | |
1310 | |
1032 | w->at = w->repeat; |
1311 | ((WT)w)->at = w->repeat; |
1033 | |
1312 | |
1034 | ev_stop (EV_A_ (W)w); |
1313 | ev_stop (EV_A_ (W)w); |
1035 | } |
1314 | } |
1036 | |
1315 | |
1037 | void |
1316 | void |
… | |
… | |
1039 | { |
1318 | { |
1040 | if (ev_is_active (w)) |
1319 | if (ev_is_active (w)) |
1041 | { |
1320 | { |
1042 | if (w->repeat) |
1321 | if (w->repeat) |
1043 | { |
1322 | { |
1044 | w->at = mn_now + w->repeat; |
1323 | ((WT)w)->at = mn_now + w->repeat; |
1045 | downheap ((WT *)timers, timercnt, w->active - 1); |
1324 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1046 | } |
1325 | } |
1047 | else |
1326 | else |
1048 | ev_timer_stop (EV_A_ w); |
1327 | ev_timer_stop (EV_A_ w); |
1049 | } |
1328 | } |
1050 | else if (w->repeat) |
1329 | else if (w->repeat) |
… | |
… | |
1055 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1334 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1056 | { |
1335 | { |
1057 | if (ev_is_active (w)) |
1336 | if (ev_is_active (w)) |
1058 | return; |
1337 | return; |
1059 | |
1338 | |
|
|
1339 | if (w->reschedule_cb) |
|
|
1340 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
|
|
1341 | else if (w->interval) |
|
|
1342 | { |
1060 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1343 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1061 | |
|
|
1062 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1344 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1063 | if (w->interval) |
|
|
1064 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1345 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1346 | } |
1065 | |
1347 | |
1066 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1348 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1067 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1349 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1068 | periodics [periodiccnt - 1] = w; |
1350 | periodics [periodiccnt - 1] = w; |
1069 | upheap ((WT *)periodics, periodiccnt - 1); |
1351 | upheap ((WT *)periodics, periodiccnt - 1); |
|
|
1352 | |
|
|
1353 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1070 | } |
1354 | } |
1071 | |
1355 | |
1072 | void |
1356 | void |
1073 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1357 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1074 | { |
1358 | { |
1075 | ev_clear_pending (EV_A_ (W)w); |
1359 | ev_clear_pending (EV_A_ (W)w); |
1076 | if (!ev_is_active (w)) |
1360 | if (!ev_is_active (w)) |
1077 | return; |
1361 | return; |
1078 | |
1362 | |
|
|
1363 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1364 | |
1079 | if (w->active < periodiccnt--) |
1365 | if (((W)w)->active < periodiccnt--) |
1080 | { |
1366 | { |
1081 | periodics [w->active - 1] = periodics [periodiccnt]; |
1367 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1082 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1368 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1083 | } |
1369 | } |
1084 | |
1370 | |
|
|
1371 | ev_stop (EV_A_ (W)w); |
|
|
1372 | } |
|
|
1373 | |
|
|
1374 | void |
|
|
1375 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1376 | { |
|
|
1377 | ev_periodic_stop (EV_A_ w); |
|
|
1378 | ev_periodic_start (EV_A_ w); |
|
|
1379 | } |
|
|
1380 | |
|
|
1381 | void |
|
|
1382 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1383 | { |
|
|
1384 | if (ev_is_active (w)) |
|
|
1385 | return; |
|
|
1386 | |
|
|
1387 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1388 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
|
|
1389 | idles [idlecnt - 1] = w; |
|
|
1390 | } |
|
|
1391 | |
|
|
1392 | void |
|
|
1393 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1394 | { |
|
|
1395 | ev_clear_pending (EV_A_ (W)w); |
|
|
1396 | if (ev_is_active (w)) |
|
|
1397 | return; |
|
|
1398 | |
|
|
1399 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1400 | ev_stop (EV_A_ (W)w); |
|
|
1401 | } |
|
|
1402 | |
|
|
1403 | void |
|
|
1404 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1405 | { |
|
|
1406 | if (ev_is_active (w)) |
|
|
1407 | return; |
|
|
1408 | |
|
|
1409 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1410 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1411 | prepares [preparecnt - 1] = w; |
|
|
1412 | } |
|
|
1413 | |
|
|
1414 | void |
|
|
1415 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1416 | { |
|
|
1417 | ev_clear_pending (EV_A_ (W)w); |
|
|
1418 | if (ev_is_active (w)) |
|
|
1419 | return; |
|
|
1420 | |
|
|
1421 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1422 | ev_stop (EV_A_ (W)w); |
|
|
1423 | } |
|
|
1424 | |
|
|
1425 | void |
|
|
1426 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1427 | { |
|
|
1428 | if (ev_is_active (w)) |
|
|
1429 | return; |
|
|
1430 | |
|
|
1431 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1432 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
|
|
1433 | checks [checkcnt - 1] = w; |
|
|
1434 | } |
|
|
1435 | |
|
|
1436 | void |
|
|
1437 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1438 | { |
|
|
1439 | ev_clear_pending (EV_A_ (W)w); |
|
|
1440 | if (ev_is_active (w)) |
|
|
1441 | return; |
|
|
1442 | |
|
|
1443 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1085 | ev_stop (EV_A_ (W)w); |
1444 | ev_stop (EV_A_ (W)w); |
1086 | } |
1445 | } |
1087 | |
1446 | |
1088 | #ifndef SA_RESTART |
1447 | #ifndef SA_RESTART |
1089 | # define SA_RESTART 0 |
1448 | # define SA_RESTART 0 |
1090 | #endif |
1449 | #endif |
1091 | |
1450 | |
1092 | void |
1451 | void |
1093 | ev_signal_start (EV_P_ struct ev_signal *w) |
1452 | ev_signal_start (EV_P_ struct ev_signal *w) |
1094 | { |
1453 | { |
|
|
1454 | #if EV_MULTIPLICITY |
|
|
1455 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
|
|
1456 | #endif |
1095 | if (ev_is_active (w)) |
1457 | if (ev_is_active (w)) |
1096 | return; |
1458 | return; |
1097 | |
1459 | |
1098 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1460 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1099 | |
1461 | |
1100 | ev_start (EV_A_ (W)w, 1); |
1462 | ev_start (EV_A_ (W)w, 1); |
1101 | array_needsize (signals, signalmax, w->signum, signals_init); |
1463 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1102 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1464 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1103 | |
1465 | |
1104 | if (!w->next) |
1466 | if (!((WL)w)->next) |
1105 | { |
1467 | { |
|
|
1468 | #if WIN32 |
|
|
1469 | signal (w->signum, sighandler); |
|
|
1470 | #else |
1106 | struct sigaction sa; |
1471 | struct sigaction sa; |
1107 | sa.sa_handler = sighandler; |
1472 | sa.sa_handler = sighandler; |
1108 | sigfillset (&sa.sa_mask); |
1473 | sigfillset (&sa.sa_mask); |
1109 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1474 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1110 | sigaction (w->signum, &sa, 0); |
1475 | sigaction (w->signum, &sa, 0); |
|
|
1476 | #endif |
1111 | } |
1477 | } |
1112 | } |
1478 | } |
1113 | |
1479 | |
1114 | void |
1480 | void |
1115 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1481 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1124 | if (!signals [w->signum - 1].head) |
1490 | if (!signals [w->signum - 1].head) |
1125 | signal (w->signum, SIG_DFL); |
1491 | signal (w->signum, SIG_DFL); |
1126 | } |
1492 | } |
1127 | |
1493 | |
1128 | void |
1494 | void |
1129 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1130 | { |
|
|
1131 | if (ev_is_active (w)) |
|
|
1132 | return; |
|
|
1133 | |
|
|
1134 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1135 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1136 | idles [idlecnt - 1] = w; |
|
|
1137 | } |
|
|
1138 | |
|
|
1139 | void |
|
|
1140 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1141 | { |
|
|
1142 | ev_clear_pending (EV_A_ (W)w); |
|
|
1143 | if (ev_is_active (w)) |
|
|
1144 | return; |
|
|
1145 | |
|
|
1146 | idles [w->active - 1] = idles [--idlecnt]; |
|
|
1147 | ev_stop (EV_A_ (W)w); |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | void |
|
|
1151 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1152 | { |
|
|
1153 | if (ev_is_active (w)) |
|
|
1154 | return; |
|
|
1155 | |
|
|
1156 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1157 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1158 | prepares [preparecnt - 1] = w; |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | void |
|
|
1162 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1163 | { |
|
|
1164 | ev_clear_pending (EV_A_ (W)w); |
|
|
1165 | if (ev_is_active (w)) |
|
|
1166 | return; |
|
|
1167 | |
|
|
1168 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1169 | ev_stop (EV_A_ (W)w); |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | void |
|
|
1173 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1174 | { |
|
|
1175 | if (ev_is_active (w)) |
|
|
1176 | return; |
|
|
1177 | |
|
|
1178 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1179 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1180 | checks [checkcnt - 1] = w; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | void |
|
|
1184 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1185 | { |
|
|
1186 | ev_clear_pending (EV_A_ (W)w); |
|
|
1187 | if (ev_is_active (w)) |
|
|
1188 | return; |
|
|
1189 | |
|
|
1190 | checks [w->active - 1] = checks [--checkcnt]; |
|
|
1191 | ev_stop (EV_A_ (W)w); |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | void |
|
|
1195 | ev_child_start (EV_P_ struct ev_child *w) |
1495 | ev_child_start (EV_P_ struct ev_child *w) |
1196 | { |
1496 | { |
|
|
1497 | #if EV_MULTIPLICITY |
|
|
1498 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
|
|
1499 | #endif |
1197 | if (ev_is_active (w)) |
1500 | if (ev_is_active (w)) |
1198 | return; |
1501 | return; |
1199 | |
1502 | |
1200 | ev_start (EV_A_ (W)w, 1); |
1503 | ev_start (EV_A_ (W)w, 1); |
1201 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1504 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
… | |
… | |
1228 | void (*cb)(int revents, void *arg) = once->cb; |
1531 | void (*cb)(int revents, void *arg) = once->cb; |
1229 | void *arg = once->arg; |
1532 | void *arg = once->arg; |
1230 | |
1533 | |
1231 | ev_io_stop (EV_A_ &once->io); |
1534 | ev_io_stop (EV_A_ &once->io); |
1232 | ev_timer_stop (EV_A_ &once->to); |
1535 | ev_timer_stop (EV_A_ &once->to); |
1233 | free (once); |
1536 | ev_free (once); |
1234 | |
1537 | |
1235 | cb (revents, arg); |
1538 | cb (revents, arg); |
1236 | } |
1539 | } |
1237 | |
1540 | |
1238 | static void |
1541 | static void |
… | |
… | |
1248 | } |
1551 | } |
1249 | |
1552 | |
1250 | void |
1553 | void |
1251 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1554 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1252 | { |
1555 | { |
1253 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1556 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1254 | |
1557 | |
1255 | if (!once) |
1558 | if (!once) |
1256 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1559 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1257 | else |
1560 | else |
1258 | { |
1561 | { |
… | |
… | |
1273 | ev_timer_start (EV_A_ &once->to); |
1576 | ev_timer_start (EV_A_ &once->to); |
1274 | } |
1577 | } |
1275 | } |
1578 | } |
1276 | } |
1579 | } |
1277 | |
1580 | |
1278 | /*****************************************************************************/ |
|
|
1279 | |
|
|
1280 | #if 0 |
|
|
1281 | |
|
|
1282 | struct ev_io wio; |
|
|
1283 | |
|
|
1284 | static void |
|
|
1285 | sin_cb (struct ev_io *w, int revents) |
|
|
1286 | { |
|
|
1287 | fprintf (stderr, "sin %d, revents %d\n", w->fd, revents); |
|
|
1288 | } |
|
|
1289 | |
|
|
1290 | static void |
|
|
1291 | ocb (struct ev_timer *w, int revents) |
|
|
1292 | { |
|
|
1293 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
|
|
1294 | ev_timer_stop (w); |
|
|
1295 | ev_timer_start (w); |
|
|
1296 | } |
|
|
1297 | |
|
|
1298 | static void |
|
|
1299 | scb (struct ev_signal *w, int revents) |
|
|
1300 | { |
|
|
1301 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
|
|
1302 | ev_io_stop (&wio); |
|
|
1303 | ev_io_start (&wio); |
|
|
1304 | } |
|
|
1305 | |
|
|
1306 | static void |
|
|
1307 | gcb (struct ev_signal *w, int revents) |
|
|
1308 | { |
|
|
1309 | fprintf (stderr, "generic %x\n", revents); |
|
|
1310 | |
|
|
1311 | } |
|
|
1312 | |
|
|
1313 | int main (void) |
|
|
1314 | { |
|
|
1315 | ev_init (0); |
|
|
1316 | |
|
|
1317 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
|
|
1318 | ev_io_start (&wio); |
|
|
1319 | |
|
|
1320 | struct ev_timer t[10000]; |
|
|
1321 | |
|
|
1322 | #if 0 |
|
|
1323 | int i; |
|
|
1324 | for (i = 0; i < 10000; ++i) |
|
|
1325 | { |
|
|
1326 | struct ev_timer *w = t + i; |
|
|
1327 | ev_watcher_init (w, ocb, i); |
|
|
1328 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
|
|
1329 | ev_timer_start (w); |
|
|
1330 | if (drand48 () < 0.5) |
|
|
1331 | ev_timer_stop (w); |
|
|
1332 | } |
|
|
1333 | #endif |
|
|
1334 | |
|
|
1335 | struct ev_timer t1; |
|
|
1336 | ev_timer_init (&t1, ocb, 5, 10); |
|
|
1337 | ev_timer_start (&t1); |
|
|
1338 | |
|
|
1339 | struct ev_signal sig; |
|
|
1340 | ev_signal_init (&sig, scb, SIGQUIT); |
|
|
1341 | ev_signal_start (&sig); |
|
|
1342 | |
|
|
1343 | struct ev_check cw; |
|
|
1344 | ev_check_init (&cw, gcb); |
|
|
1345 | ev_check_start (&cw); |
|
|
1346 | |
|
|
1347 | struct ev_idle iw; |
|
|
1348 | ev_idle_init (&iw, gcb); |
|
|
1349 | ev_idle_start (&iw); |
|
|
1350 | |
|
|
1351 | ev_loop (0); |
|
|
1352 | |
|
|
1353 | return 0; |
|
|
1354 | } |
|
|
1355 | |
|
|
1356 | #endif |
|
|
1357 | |
|
|
1358 | |
|
|
1359 | |
|
|
1360 | |
|
|