… | |
… | |
202 | #ifndef CLOCK_REALTIME |
202 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
203 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
204 | # define EV_USE_REALTIME 0 |
205 | #endif |
205 | #endif |
206 | |
206 | |
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207 | #if !EV_STAT_ENABLE |
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208 | # undef EV_USE_INOTIFY |
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209 | # define EV_USE_INOTIFY 0 |
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210 | #endif |
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211 | |
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212 | #if EV_USE_INOTIFY |
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213 | # include <sys/inotify.h> |
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214 | #endif |
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215 | |
207 | #if EV_SELECT_IS_WINSOCKET |
216 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
217 | # include <winsock.h> |
209 | #endif |
218 | #endif |
210 | |
219 | |
211 | #if !EV_STAT_ENABLE |
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212 | # define EV_USE_INOTIFY 0 |
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213 | #endif |
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214 | |
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215 | #if EV_USE_INOTIFY |
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216 | # include <sys/inotify.h> |
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217 | #endif |
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218 | |
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219 | /**/ |
220 | /**/ |
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221 | |
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222 | /* |
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223 | * This is used to avoid floating point rounding problems. |
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224 | * It is added to ev_rt_now when scheduling periodics |
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225 | * to ensure progress, time-wise, even when rounding |
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226 | * errors are against us. |
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227 | * This value is good at least till the year 4000. |
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228 | * Better solutions welcome. |
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229 | */ |
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230 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
231 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
233 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
234 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
235 | |
225 | #if __GNUC__ >= 3 |
236 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
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228 | # if EV_MINIMAL |
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229 | # define noinline __attribute__ ((noinline)) |
238 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
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231 | # else |
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232 | # define noinline |
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233 | # define inline_speed static inline |
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234 | # endif |
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235 | #else |
239 | #else |
236 | # define expect(expr,value) (expr) |
240 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
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238 | # define inline_size static |
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239 | # define noinline |
241 | # define noinline |
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242 | # if __STDC_VERSION__ < 199901L |
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243 | # define inline |
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244 | # endif |
240 | #endif |
245 | #endif |
241 | |
246 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
247 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
248 | #define expect_true(expr) expect ((expr) != 0, 1) |
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249 | #define inline_size static inline |
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250 | |
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251 | #if EV_MINIMAL |
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252 | # define inline_speed static noinline |
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253 | #else |
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254 | # define inline_speed static inline |
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255 | #endif |
244 | |
256 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
257 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
258 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
259 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
260 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
261 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
262 | |
251 | typedef ev_watcher *W; |
263 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
264 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
265 | typedef ev_watcher_time *WT; |
… | |
… | |
396 | { |
408 | { |
397 | return ev_rt_now; |
409 | return ev_rt_now; |
398 | } |
410 | } |
399 | #endif |
411 | #endif |
400 | |
412 | |
401 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
413 | int inline_size |
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414 | array_nextsize (int elem, int cur, int cnt) |
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415 | { |
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416 | int ncur = cur + 1; |
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417 | |
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418 | do |
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419 | ncur <<= 1; |
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420 | while (cnt > ncur); |
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421 | |
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422 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
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423 | if (elem * ncur > 4096) |
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424 | { |
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425 | ncur *= elem; |
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426 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
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427 | ncur = ncur - sizeof (void *) * 4; |
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428 | ncur /= elem; |
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429 | } |
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430 | |
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431 | return ncur; |
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432 | } |
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433 | |
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434 | static noinline void * |
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435 | array_realloc (int elem, void *base, int *cur, int cnt) |
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436 | { |
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437 | *cur = array_nextsize (elem, *cur, cnt); |
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438 | return ev_realloc (base, elem * *cur); |
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439 | } |
402 | |
440 | |
403 | #define array_needsize(type,base,cur,cnt,init) \ |
441 | #define array_needsize(type,base,cur,cnt,init) \ |
404 | if (expect_false ((cnt) > cur)) \ |
442 | if (expect_false ((cnt) > (cur))) \ |
405 | { \ |
443 | { \ |
406 | int newcnt = cur; \ |
444 | int ocur_ = (cur); \ |
407 | do \ |
445 | (base) = (type *)array_realloc \ |
408 | { \ |
446 | (sizeof (type), (base), &(cur), (cnt)); \ |
409 | newcnt = array_roundsize (type, newcnt << 1); \ |
447 | init ((base) + (ocur_), (cur) - ocur_); \ |
410 | } \ |
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411 | while ((cnt) > newcnt); \ |
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412 | \ |
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413 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
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414 | init (base + cur, newcnt - cur); \ |
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415 | cur = newcnt; \ |
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416 | } |
448 | } |
417 | |
449 | |
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450 | #if 0 |
418 | #define array_slim(type,stem) \ |
451 | #define array_slim(type,stem) \ |
419 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
452 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
420 | { \ |
453 | { \ |
421 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
454 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
422 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
455 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
423 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
456 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
424 | } |
457 | } |
|
|
458 | #endif |
425 | |
459 | |
426 | #define array_free(stem, idx) \ |
460 | #define array_free(stem, idx) \ |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
461 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
428 | |
462 | |
429 | /*****************************************************************************/ |
463 | /*****************************************************************************/ |
430 | |
464 | |
431 | void noinline |
465 | void noinline |
432 | ev_feed_event (EV_P_ void *w, int revents) |
466 | ev_feed_event (EV_P_ void *w, int revents) |
433 | { |
467 | { |
434 | W w_ = (W)w; |
468 | W w_ = (W)w; |
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469 | int pri = ABSPRI (w_); |
435 | |
470 | |
436 | if (expect_false (w_->pending)) |
471 | if (expect_false (w_->pending)) |
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472 | pendings [pri][w_->pending - 1].events |= revents; |
|
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473 | else |
437 | { |
474 | { |
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475 | w_->pending = ++pendingcnt [pri]; |
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476 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
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477 | pendings [pri][w_->pending - 1].w = w_; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
478 | pendings [pri][w_->pending - 1].events = revents; |
439 | return; |
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440 | } |
479 | } |
441 | |
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442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
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443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
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444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
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445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
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446 | } |
480 | } |
447 | |
481 | |
448 | void inline_size |
482 | void inline_speed |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
483 | queue_events (EV_P_ W *events, int eventcnt, int type) |
450 | { |
484 | { |
451 | int i; |
485 | int i; |
452 | |
486 | |
453 | for (i = 0; i < eventcnt; ++i) |
487 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
485 | } |
519 | } |
486 | |
520 | |
487 | void |
521 | void |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
522 | ev_feed_fd_event (EV_P_ int fd, int revents) |
489 | { |
523 | { |
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524 | if (fd >= 0 && fd < anfdmax) |
490 | fd_event (EV_A_ fd, revents); |
525 | fd_event (EV_A_ fd, revents); |
491 | } |
526 | } |
492 | |
527 | |
493 | void inline_size |
528 | void inline_size |
494 | fd_reify (EV_P) |
529 | fd_reify (EV_P) |
495 | { |
530 | { |
… | |
… | |
499 | { |
534 | { |
500 | int fd = fdchanges [i]; |
535 | int fd = fdchanges [i]; |
501 | ANFD *anfd = anfds + fd; |
536 | ANFD *anfd = anfds + fd; |
502 | ev_io *w; |
537 | ev_io *w; |
503 | |
538 | |
504 | int events = 0; |
539 | unsigned char events = 0; |
505 | |
540 | |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
541 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
507 | events |= w->events; |
542 | events |= (unsigned char)w->events; |
508 | |
543 | |
509 | #if EV_SELECT_IS_WINSOCKET |
544 | #if EV_SELECT_IS_WINSOCKET |
510 | if (events) |
545 | if (events) |
511 | { |
546 | { |
512 | unsigned long argp; |
547 | unsigned long argp; |
513 | anfd->handle = _get_osfhandle (fd); |
548 | anfd->handle = _get_osfhandle (fd); |
514 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
515 | } |
550 | } |
516 | #endif |
551 | #endif |
517 | |
552 | |
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553 | { |
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554 | unsigned char o_events = anfd->events; |
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555 | unsigned char o_reify = anfd->reify; |
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556 | |
518 | anfd->reify = 0; |
557 | anfd->reify = 0; |
519 | |
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520 | backend_modify (EV_A_ fd, anfd->events, events); |
|
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521 | anfd->events = events; |
558 | anfd->events = events; |
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559 | |
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560 | if (o_events != events || o_reify & EV_IOFDSET) |
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561 | backend_modify (EV_A_ fd, o_events, events); |
|
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562 | } |
522 | } |
563 | } |
523 | |
564 | |
524 | fdchangecnt = 0; |
565 | fdchangecnt = 0; |
525 | } |
566 | } |
526 | |
567 | |
527 | void inline_size |
568 | void inline_size |
528 | fd_change (EV_P_ int fd) |
569 | fd_change (EV_P_ int fd, int flags) |
529 | { |
570 | { |
530 | if (expect_false (anfds [fd].reify)) |
571 | unsigned char reify = anfds [fd].reify; |
531 | return; |
|
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532 | |
|
|
533 | anfds [fd].reify = 1; |
572 | anfds [fd].reify |= flags; |
534 | |
573 | |
|
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574 | if (expect_true (!reify)) |
|
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575 | { |
535 | ++fdchangecnt; |
576 | ++fdchangecnt; |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
577 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
537 | fdchanges [fdchangecnt - 1] = fd; |
578 | fdchanges [fdchangecnt - 1] = fd; |
|
|
579 | } |
538 | } |
580 | } |
539 | |
581 | |
540 | void inline_speed |
582 | void inline_speed |
541 | fd_kill (EV_P_ int fd) |
583 | fd_kill (EV_P_ int fd) |
542 | { |
584 | { |
… | |
… | |
593 | |
635 | |
594 | for (fd = 0; fd < anfdmax; ++fd) |
636 | for (fd = 0; fd < anfdmax; ++fd) |
595 | if (anfds [fd].events) |
637 | if (anfds [fd].events) |
596 | { |
638 | { |
597 | anfds [fd].events = 0; |
639 | anfds [fd].events = 0; |
598 | fd_change (EV_A_ fd); |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
599 | } |
641 | } |
600 | } |
642 | } |
601 | |
643 | |
602 | /*****************************************************************************/ |
644 | /*****************************************************************************/ |
603 | |
645 | |
604 | void inline_speed |
646 | void inline_speed |
605 | upheap (WT *heap, int k) |
647 | upheap (WT *heap, int k) |
606 | { |
648 | { |
607 | WT w = heap [k]; |
649 | WT w = heap [k]; |
608 | |
650 | |
609 | while (k && heap [k >> 1]->at > w->at) |
651 | while (k) |
610 | { |
652 | { |
|
|
653 | int p = (k - 1) >> 1; |
|
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654 | |
|
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655 | if (heap [p]->at <= w->at) |
|
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656 | break; |
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657 | |
611 | heap [k] = heap [k >> 1]; |
658 | heap [k] = heap [p]; |
612 | ((W)heap [k])->active = k + 1; |
659 | ((W)heap [k])->active = k + 1; |
613 | k >>= 1; |
660 | k = p; |
614 | } |
661 | } |
615 | |
662 | |
616 | heap [k] = w; |
663 | heap [k] = w; |
617 | ((W)heap [k])->active = k + 1; |
664 | ((W)heap [k])->active = k + 1; |
618 | |
|
|
619 | } |
665 | } |
620 | |
666 | |
621 | void inline_speed |
667 | void inline_speed |
622 | downheap (WT *heap, int N, int k) |
668 | downheap (WT *heap, int N, int k) |
623 | { |
669 | { |
624 | WT w = heap [k]; |
670 | WT w = heap [k]; |
625 | |
671 | |
626 | while (k < (N >> 1)) |
672 | for (;;) |
627 | { |
673 | { |
628 | int j = k << 1; |
674 | int c = (k << 1) + 1; |
629 | |
675 | |
630 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
676 | if (c >= N) |
631 | ++j; |
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632 | |
|
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633 | if (w->at <= heap [j]->at) |
|
|
634 | break; |
677 | break; |
635 | |
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
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681 | |
|
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682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
636 | heap [k] = heap [j]; |
685 | heap [k] = heap [c]; |
637 | ((W)heap [k])->active = k + 1; |
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
638 | k = j; |
688 | k = c; |
639 | } |
689 | } |
640 | |
690 | |
641 | heap [k] = w; |
691 | heap [k] = w; |
642 | ((W)heap [k])->active = k + 1; |
692 | ((W)heap [k])->active = k + 1; |
643 | } |
693 | } |
… | |
… | |
725 | for (signum = signalmax; signum--; ) |
775 | for (signum = signalmax; signum--; ) |
726 | if (signals [signum].gotsig) |
776 | if (signals [signum].gotsig) |
727 | ev_feed_signal_event (EV_A_ signum + 1); |
777 | ev_feed_signal_event (EV_A_ signum + 1); |
728 | } |
778 | } |
729 | |
779 | |
730 | void inline_size |
780 | void inline_speed |
731 | fd_intern (int fd) |
781 | fd_intern (int fd) |
732 | { |
782 | { |
733 | #ifdef _WIN32 |
783 | #ifdef _WIN32 |
734 | int arg = 1; |
784 | int arg = 1; |
735 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
785 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
750 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
751 | } |
801 | } |
752 | |
802 | |
753 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
754 | |
804 | |
755 | static ev_child *childs [EV_PID_HASHSIZE]; |
805 | static WL childs [EV_PID_HASHSIZE]; |
756 | |
806 | |
757 | #ifndef _WIN32 |
807 | #ifndef _WIN32 |
758 | |
808 | |
759 | static ev_signal childev; |
809 | static ev_signal childev; |
760 | |
810 | |
… | |
… | |
764 | ev_child *w; |
814 | ev_child *w; |
765 | |
815 | |
766 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
816 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
767 | if (w->pid == pid || !w->pid) |
817 | if (w->pid == pid || !w->pid) |
768 | { |
818 | { |
769 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
819 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
770 | w->rpid = pid; |
820 | w->rpid = pid; |
771 | w->rstatus = status; |
821 | w->rstatus = status; |
772 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
822 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
773 | } |
823 | } |
774 | } |
824 | } |
775 | |
825 | |
776 | #ifndef WCONTINUED |
826 | #ifndef WCONTINUED |
… | |
… | |
886 | ev_backend (EV_P) |
936 | ev_backend (EV_P) |
887 | { |
937 | { |
888 | return backend; |
938 | return backend; |
889 | } |
939 | } |
890 | |
940 | |
|
|
941 | unsigned int |
|
|
942 | ev_loop_count (EV_P) |
|
|
943 | { |
|
|
944 | return loop_count; |
|
|
945 | } |
|
|
946 | |
891 | static void noinline |
947 | static void noinline |
892 | loop_init (EV_P_ unsigned int flags) |
948 | loop_init (EV_P_ unsigned int flags) |
893 | { |
949 | { |
894 | if (!backend) |
950 | if (!backend) |
895 | { |
951 | { |
… | |
… | |
975 | #if EV_USE_SELECT |
1031 | #if EV_USE_SELECT |
976 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1032 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
977 | #endif |
1033 | #endif |
978 | |
1034 | |
979 | for (i = NUMPRI; i--; ) |
1035 | for (i = NUMPRI; i--; ) |
|
|
1036 | { |
980 | array_free (pending, [i]); |
1037 | array_free (pending, [i]); |
|
|
1038 | #if EV_IDLE_ENABLE |
|
|
1039 | array_free (idle, [i]); |
|
|
1040 | #endif |
|
|
1041 | } |
|
|
1042 | |
|
|
1043 | ev_free (anfds); anfdmax = 0; |
981 | |
1044 | |
982 | /* have to use the microsoft-never-gets-it-right macro */ |
1045 | /* have to use the microsoft-never-gets-it-right macro */ |
983 | array_free (fdchange, EMPTY0); |
1046 | array_free (fdchange, EMPTY); |
984 | array_free (timer, EMPTY0); |
1047 | array_free (timer, EMPTY); |
985 | #if EV_PERIODIC_ENABLE |
1048 | #if EV_PERIODIC_ENABLE |
986 | array_free (periodic, EMPTY0); |
1049 | array_free (periodic, EMPTY); |
987 | #endif |
1050 | #endif |
988 | array_free (idle, EMPTY0); |
|
|
989 | array_free (prepare, EMPTY0); |
1051 | array_free (prepare, EMPTY); |
990 | array_free (check, EMPTY0); |
1052 | array_free (check, EMPTY); |
|
|
1053 | array_free (fork, EMPTY); |
991 | |
1054 | |
992 | backend = 0; |
1055 | backend = 0; |
993 | } |
1056 | } |
994 | |
1057 | |
995 | void inline_size infy_fork (EV_P); |
1058 | void inline_size infy_fork (EV_P); |
… | |
… | |
1131 | postfork = 1; |
1194 | postfork = 1; |
1132 | } |
1195 | } |
1133 | |
1196 | |
1134 | /*****************************************************************************/ |
1197 | /*****************************************************************************/ |
1135 | |
1198 | |
1136 | int inline_size |
1199 | void |
1137 | any_pending (EV_P) |
1200 | ev_invoke (EV_P_ void *w, int revents) |
1138 | { |
1201 | { |
1139 | int pri; |
1202 | EV_CB_INVOKE ((W)w, revents); |
1140 | |
|
|
1141 | for (pri = NUMPRI; pri--; ) |
|
|
1142 | if (pendingcnt [pri]) |
|
|
1143 | return 1; |
|
|
1144 | |
|
|
1145 | return 0; |
|
|
1146 | } |
1203 | } |
1147 | |
1204 | |
1148 | void inline_speed |
1205 | void inline_speed |
1149 | call_pending (EV_P) |
1206 | call_pending (EV_P) |
1150 | { |
1207 | { |
… | |
… | |
1168 | void inline_size |
1225 | void inline_size |
1169 | timers_reify (EV_P) |
1226 | timers_reify (EV_P) |
1170 | { |
1227 | { |
1171 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1228 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1172 | { |
1229 | { |
1173 | ev_timer *w = timers [0]; |
1230 | ev_timer *w = (ev_timer *)timers [0]; |
1174 | |
1231 | |
1175 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1232 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1176 | |
1233 | |
1177 | /* first reschedule or stop timer */ |
1234 | /* first reschedule or stop timer */ |
1178 | if (w->repeat) |
1235 | if (w->repeat) |
… | |
… | |
1181 | |
1238 | |
1182 | ((WT)w)->at += w->repeat; |
1239 | ((WT)w)->at += w->repeat; |
1183 | if (((WT)w)->at < mn_now) |
1240 | if (((WT)w)->at < mn_now) |
1184 | ((WT)w)->at = mn_now; |
1241 | ((WT)w)->at = mn_now; |
1185 | |
1242 | |
1186 | downheap ((WT *)timers, timercnt, 0); |
1243 | downheap (timers, timercnt, 0); |
1187 | } |
1244 | } |
1188 | else |
1245 | else |
1189 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1246 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1190 | |
1247 | |
1191 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1248 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1196 | void inline_size |
1253 | void inline_size |
1197 | periodics_reify (EV_P) |
1254 | periodics_reify (EV_P) |
1198 | { |
1255 | { |
1199 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1256 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1200 | { |
1257 | { |
1201 | ev_periodic *w = periodics [0]; |
1258 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1202 | |
1259 | |
1203 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1260 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1204 | |
1261 | |
1205 | /* first reschedule or stop timer */ |
1262 | /* first reschedule or stop timer */ |
1206 | if (w->reschedule_cb) |
1263 | if (w->reschedule_cb) |
1207 | { |
1264 | { |
1208 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1265 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1209 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1266 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1210 | downheap ((WT *)periodics, periodiccnt, 0); |
1267 | downheap (periodics, periodiccnt, 0); |
1211 | } |
1268 | } |
1212 | else if (w->interval) |
1269 | else if (w->interval) |
1213 | { |
1270 | { |
1214 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1271 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1272 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1215 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1273 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1216 | downheap ((WT *)periodics, periodiccnt, 0); |
1274 | downheap (periodics, periodiccnt, 0); |
1217 | } |
1275 | } |
1218 | else |
1276 | else |
1219 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1277 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1220 | |
1278 | |
1221 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1279 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1228 | int i; |
1286 | int i; |
1229 | |
1287 | |
1230 | /* adjust periodics after time jump */ |
1288 | /* adjust periodics after time jump */ |
1231 | for (i = 0; i < periodiccnt; ++i) |
1289 | for (i = 0; i < periodiccnt; ++i) |
1232 | { |
1290 | { |
1233 | ev_periodic *w = periodics [i]; |
1291 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1234 | |
1292 | |
1235 | if (w->reschedule_cb) |
1293 | if (w->reschedule_cb) |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1294 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1237 | else if (w->interval) |
1295 | else if (w->interval) |
1238 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1296 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1239 | } |
1297 | } |
1240 | |
1298 | |
1241 | /* now rebuild the heap */ |
1299 | /* now rebuild the heap */ |
1242 | for (i = periodiccnt >> 1; i--; ) |
1300 | for (i = periodiccnt >> 1; i--; ) |
1243 | downheap ((WT *)periodics, periodiccnt, i); |
1301 | downheap (periodics, periodiccnt, i); |
1244 | } |
1302 | } |
1245 | #endif |
1303 | #endif |
1246 | |
1304 | |
|
|
1305 | #if EV_IDLE_ENABLE |
1247 | int inline_size |
1306 | void inline_size |
1248 | time_update_monotonic (EV_P) |
1307 | idle_reify (EV_P) |
1249 | { |
1308 | { |
|
|
1309 | if (expect_false (idleall)) |
|
|
1310 | { |
|
|
1311 | int pri; |
|
|
1312 | |
|
|
1313 | for (pri = NUMPRI; pri--; ) |
|
|
1314 | { |
|
|
1315 | if (pendingcnt [pri]) |
|
|
1316 | break; |
|
|
1317 | |
|
|
1318 | if (idlecnt [pri]) |
|
|
1319 | { |
|
|
1320 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1321 | break; |
|
|
1322 | } |
|
|
1323 | } |
|
|
1324 | } |
|
|
1325 | } |
|
|
1326 | #endif |
|
|
1327 | |
|
|
1328 | void inline_speed |
|
|
1329 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1330 | { |
|
|
1331 | int i; |
|
|
1332 | |
|
|
1333 | #if EV_USE_MONOTONIC |
|
|
1334 | if (expect_true (have_monotonic)) |
|
|
1335 | { |
|
|
1336 | ev_tstamp odiff = rtmn_diff; |
|
|
1337 | |
1250 | mn_now = get_clock (); |
1338 | mn_now = get_clock (); |
1251 | |
1339 | |
|
|
1340 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1341 | /* interpolate in the meantime */ |
1252 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1342 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1253 | { |
1343 | { |
1254 | ev_rt_now = rtmn_diff + mn_now; |
1344 | ev_rt_now = rtmn_diff + mn_now; |
1255 | return 0; |
1345 | return; |
1256 | } |
1346 | } |
1257 | else |
1347 | |
1258 | { |
|
|
1259 | now_floor = mn_now; |
1348 | now_floor = mn_now; |
1260 | ev_rt_now = ev_time (); |
1349 | ev_rt_now = ev_time (); |
1261 | return 1; |
|
|
1262 | } |
|
|
1263 | } |
|
|
1264 | |
1350 | |
1265 | void inline_size |
1351 | /* loop a few times, before making important decisions. |
1266 | time_update (EV_P) |
1352 | * on the choice of "4": one iteration isn't enough, |
1267 | { |
1353 | * in case we get preempted during the calls to |
1268 | int i; |
1354 | * ev_time and get_clock. a second call is almost guaranteed |
1269 | |
1355 | * to succeed in that case, though. and looping a few more times |
1270 | #if EV_USE_MONOTONIC |
1356 | * doesn't hurt either as we only do this on time-jumps or |
1271 | if (expect_true (have_monotonic)) |
1357 | * in the unlikely event of having been preempted here. |
1272 | { |
1358 | */ |
1273 | if (time_update_monotonic (EV_A)) |
1359 | for (i = 4; --i; ) |
1274 | { |
1360 | { |
1275 | ev_tstamp odiff = rtmn_diff; |
|
|
1276 | |
|
|
1277 | /* loop a few times, before making important decisions. |
|
|
1278 | * on the choice of "4": one iteration isn't enough, |
|
|
1279 | * in case we get preempted during the calls to |
|
|
1280 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1281 | * to succeed in that case, though. and looping a few more times |
|
|
1282 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1283 | * in the unlikely event of having been preempted here. |
|
|
1284 | */ |
|
|
1285 | for (i = 4; --i; ) |
|
|
1286 | { |
|
|
1287 | rtmn_diff = ev_rt_now - mn_now; |
1361 | rtmn_diff = ev_rt_now - mn_now; |
1288 | |
1362 | |
1289 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1363 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1290 | return; /* all is well */ |
1364 | return; /* all is well */ |
1291 | |
1365 | |
1292 | ev_rt_now = ev_time (); |
1366 | ev_rt_now = ev_time (); |
1293 | mn_now = get_clock (); |
1367 | mn_now = get_clock (); |
1294 | now_floor = mn_now; |
1368 | now_floor = mn_now; |
1295 | } |
1369 | } |
1296 | |
1370 | |
1297 | # if EV_PERIODIC_ENABLE |
1371 | # if EV_PERIODIC_ENABLE |
1298 | periodics_reschedule (EV_A); |
1372 | periodics_reschedule (EV_A); |
1299 | # endif |
1373 | # endif |
1300 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1374 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1301 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1375 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1302 | } |
|
|
1303 | } |
1376 | } |
1304 | else |
1377 | else |
1305 | #endif |
1378 | #endif |
1306 | { |
1379 | { |
1307 | ev_rt_now = ev_time (); |
1380 | ev_rt_now = ev_time (); |
1308 | |
1381 | |
1309 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1382 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1310 | { |
1383 | { |
1311 | #if EV_PERIODIC_ENABLE |
1384 | #if EV_PERIODIC_ENABLE |
1312 | periodics_reschedule (EV_A); |
1385 | periodics_reschedule (EV_A); |
1313 | #endif |
1386 | #endif |
1314 | |
|
|
1315 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1387 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1316 | for (i = 0; i < timercnt; ++i) |
1388 | for (i = 0; i < timercnt; ++i) |
1317 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1389 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1318 | } |
1390 | } |
1319 | |
1391 | |
… | |
… | |
1363 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1435 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1364 | call_pending (EV_A); |
1436 | call_pending (EV_A); |
1365 | } |
1437 | } |
1366 | #endif |
1438 | #endif |
1367 | |
1439 | |
1368 | /* queue check watchers (and execute them) */ |
1440 | /* queue prepare watchers (and execute them) */ |
1369 | if (expect_false (preparecnt)) |
1441 | if (expect_false (preparecnt)) |
1370 | { |
1442 | { |
1371 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1443 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1372 | call_pending (EV_A); |
1444 | call_pending (EV_A); |
1373 | } |
1445 | } |
… | |
… | |
1384 | |
1456 | |
1385 | /* calculate blocking time */ |
1457 | /* calculate blocking time */ |
1386 | { |
1458 | { |
1387 | ev_tstamp block; |
1459 | ev_tstamp block; |
1388 | |
1460 | |
1389 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1461 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1390 | block = 0.; /* do not block at all */ |
1462 | block = 0.; /* do not block at all */ |
1391 | else |
1463 | else |
1392 | { |
1464 | { |
1393 | /* update time to cancel out callback processing overhead */ |
1465 | /* update time to cancel out callback processing overhead */ |
1394 | #if EV_USE_MONOTONIC |
|
|
1395 | if (expect_true (have_monotonic)) |
|
|
1396 | time_update_monotonic (EV_A); |
1466 | time_update (EV_A_ 1e100); |
1397 | else |
|
|
1398 | #endif |
|
|
1399 | { |
|
|
1400 | ev_rt_now = ev_time (); |
|
|
1401 | mn_now = ev_rt_now; |
|
|
1402 | } |
|
|
1403 | |
1467 | |
1404 | block = MAX_BLOCKTIME; |
1468 | block = MAX_BLOCKTIME; |
1405 | |
1469 | |
1406 | if (timercnt) |
1470 | if (timercnt) |
1407 | { |
1471 | { |
… | |
… | |
1418 | #endif |
1482 | #endif |
1419 | |
1483 | |
1420 | if (expect_false (block < 0.)) block = 0.; |
1484 | if (expect_false (block < 0.)) block = 0.; |
1421 | } |
1485 | } |
1422 | |
1486 | |
|
|
1487 | ++loop_count; |
1423 | backend_poll (EV_A_ block); |
1488 | backend_poll (EV_A_ block); |
|
|
1489 | |
|
|
1490 | /* update ev_rt_now, do magic */ |
|
|
1491 | time_update (EV_A_ block); |
1424 | } |
1492 | } |
1425 | |
|
|
1426 | /* update ev_rt_now, do magic */ |
|
|
1427 | time_update (EV_A); |
|
|
1428 | |
1493 | |
1429 | /* queue pending timers and reschedule them */ |
1494 | /* queue pending timers and reschedule them */ |
1430 | timers_reify (EV_A); /* relative timers called last */ |
1495 | timers_reify (EV_A); /* relative timers called last */ |
1431 | #if EV_PERIODIC_ENABLE |
1496 | #if EV_PERIODIC_ENABLE |
1432 | periodics_reify (EV_A); /* absolute timers called first */ |
1497 | periodics_reify (EV_A); /* absolute timers called first */ |
1433 | #endif |
1498 | #endif |
1434 | |
1499 | |
|
|
1500 | #if EV_IDLE_ENABLE |
1435 | /* queue idle watchers unless other events are pending */ |
1501 | /* queue idle watchers unless other events are pending */ |
1436 | if (idlecnt && !any_pending (EV_A)) |
1502 | idle_reify (EV_A); |
1437 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1503 | #endif |
1438 | |
1504 | |
1439 | /* queue check watchers, to be executed first */ |
1505 | /* queue check watchers, to be executed first */ |
1440 | if (expect_false (checkcnt)) |
1506 | if (expect_false (checkcnt)) |
1441 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1507 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1442 | |
1508 | |
… | |
… | |
1478 | head = &(*head)->next; |
1544 | head = &(*head)->next; |
1479 | } |
1545 | } |
1480 | } |
1546 | } |
1481 | |
1547 | |
1482 | void inline_speed |
1548 | void inline_speed |
1483 | ev_clear_pending (EV_P_ W w) |
1549 | clear_pending (EV_P_ W w) |
1484 | { |
1550 | { |
1485 | if (w->pending) |
1551 | if (w->pending) |
1486 | { |
1552 | { |
1487 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1553 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1488 | w->pending = 0; |
1554 | w->pending = 0; |
1489 | } |
1555 | } |
1490 | } |
1556 | } |
1491 | |
1557 | |
|
|
1558 | int |
|
|
1559 | ev_clear_pending (EV_P_ void *w) |
|
|
1560 | { |
|
|
1561 | W w_ = (W)w; |
|
|
1562 | int pending = w_->pending; |
|
|
1563 | |
|
|
1564 | if (expect_true (pending)) |
|
|
1565 | { |
|
|
1566 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1567 | w_->pending = 0; |
|
|
1568 | p->w = 0; |
|
|
1569 | return p->events; |
|
|
1570 | } |
|
|
1571 | else |
|
|
1572 | return 0; |
|
|
1573 | } |
|
|
1574 | |
|
|
1575 | void inline_size |
|
|
1576 | pri_adjust (EV_P_ W w) |
|
|
1577 | { |
|
|
1578 | int pri = w->priority; |
|
|
1579 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1580 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1581 | w->priority = pri; |
|
|
1582 | } |
|
|
1583 | |
1492 | void inline_speed |
1584 | void inline_speed |
1493 | ev_start (EV_P_ W w, int active) |
1585 | ev_start (EV_P_ W w, int active) |
1494 | { |
1586 | { |
1495 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1587 | pri_adjust (EV_A_ w); |
1496 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1497 | |
|
|
1498 | w->active = active; |
1588 | w->active = active; |
1499 | ev_ref (EV_A); |
1589 | ev_ref (EV_A); |
1500 | } |
1590 | } |
1501 | |
1591 | |
1502 | void inline_size |
1592 | void inline_size |
… | |
… | |
1506 | w->active = 0; |
1596 | w->active = 0; |
1507 | } |
1597 | } |
1508 | |
1598 | |
1509 | /*****************************************************************************/ |
1599 | /*****************************************************************************/ |
1510 | |
1600 | |
1511 | void |
1601 | void noinline |
1512 | ev_io_start (EV_P_ ev_io *w) |
1602 | ev_io_start (EV_P_ ev_io *w) |
1513 | { |
1603 | { |
1514 | int fd = w->fd; |
1604 | int fd = w->fd; |
1515 | |
1605 | |
1516 | if (expect_false (ev_is_active (w))) |
1606 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1518 | |
1608 | |
1519 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1609 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1520 | |
1610 | |
1521 | ev_start (EV_A_ (W)w, 1); |
1611 | ev_start (EV_A_ (W)w, 1); |
1522 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1612 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1523 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1613 | wlist_add (&anfds[fd].head, (WL)w); |
1524 | |
1614 | |
1525 | fd_change (EV_A_ fd); |
1615 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1616 | w->events &= ~EV_IOFDSET; |
1526 | } |
1617 | } |
1527 | |
1618 | |
1528 | void |
1619 | void noinline |
1529 | ev_io_stop (EV_P_ ev_io *w) |
1620 | ev_io_stop (EV_P_ ev_io *w) |
1530 | { |
1621 | { |
1531 | ev_clear_pending (EV_A_ (W)w); |
1622 | clear_pending (EV_A_ (W)w); |
1532 | if (expect_false (!ev_is_active (w))) |
1623 | if (expect_false (!ev_is_active (w))) |
1533 | return; |
1624 | return; |
1534 | |
1625 | |
1535 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1626 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1536 | |
1627 | |
1537 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1628 | wlist_del (&anfds[w->fd].head, (WL)w); |
1538 | ev_stop (EV_A_ (W)w); |
1629 | ev_stop (EV_A_ (W)w); |
1539 | |
1630 | |
1540 | fd_change (EV_A_ w->fd); |
1631 | fd_change (EV_A_ w->fd, 1); |
1541 | } |
1632 | } |
1542 | |
1633 | |
1543 | void |
1634 | void noinline |
1544 | ev_timer_start (EV_P_ ev_timer *w) |
1635 | ev_timer_start (EV_P_ ev_timer *w) |
1545 | { |
1636 | { |
1546 | if (expect_false (ev_is_active (w))) |
1637 | if (expect_false (ev_is_active (w))) |
1547 | return; |
1638 | return; |
1548 | |
1639 | |
1549 | ((WT)w)->at += mn_now; |
1640 | ((WT)w)->at += mn_now; |
1550 | |
1641 | |
1551 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1642 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1552 | |
1643 | |
1553 | ev_start (EV_A_ (W)w, ++timercnt); |
1644 | ev_start (EV_A_ (W)w, ++timercnt); |
1554 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1645 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1555 | timers [timercnt - 1] = w; |
1646 | timers [timercnt - 1] = (WT)w; |
1556 | upheap ((WT *)timers, timercnt - 1); |
1647 | upheap (timers, timercnt - 1); |
1557 | |
1648 | |
1558 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1649 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1559 | } |
1650 | } |
1560 | |
1651 | |
1561 | void |
1652 | void noinline |
1562 | ev_timer_stop (EV_P_ ev_timer *w) |
1653 | ev_timer_stop (EV_P_ ev_timer *w) |
1563 | { |
1654 | { |
1564 | ev_clear_pending (EV_A_ (W)w); |
1655 | clear_pending (EV_A_ (W)w); |
1565 | if (expect_false (!ev_is_active (w))) |
1656 | if (expect_false (!ev_is_active (w))) |
1566 | return; |
1657 | return; |
1567 | |
1658 | |
1568 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1659 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1569 | |
1660 | |
1570 | { |
1661 | { |
1571 | int active = ((W)w)->active; |
1662 | int active = ((W)w)->active; |
1572 | |
1663 | |
1573 | if (expect_true (--active < --timercnt)) |
1664 | if (expect_true (--active < --timercnt)) |
1574 | { |
1665 | { |
1575 | timers [active] = timers [timercnt]; |
1666 | timers [active] = timers [timercnt]; |
1576 | adjustheap ((WT *)timers, timercnt, active); |
1667 | adjustheap (timers, timercnt, active); |
1577 | } |
1668 | } |
1578 | } |
1669 | } |
1579 | |
1670 | |
1580 | ((WT)w)->at -= mn_now; |
1671 | ((WT)w)->at -= mn_now; |
1581 | |
1672 | |
1582 | ev_stop (EV_A_ (W)w); |
1673 | ev_stop (EV_A_ (W)w); |
1583 | } |
1674 | } |
1584 | |
1675 | |
1585 | void |
1676 | void noinline |
1586 | ev_timer_again (EV_P_ ev_timer *w) |
1677 | ev_timer_again (EV_P_ ev_timer *w) |
1587 | { |
1678 | { |
1588 | if (ev_is_active (w)) |
1679 | if (ev_is_active (w)) |
1589 | { |
1680 | { |
1590 | if (w->repeat) |
1681 | if (w->repeat) |
1591 | { |
1682 | { |
1592 | ((WT)w)->at = mn_now + w->repeat; |
1683 | ((WT)w)->at = mn_now + w->repeat; |
1593 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1684 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1594 | } |
1685 | } |
1595 | else |
1686 | else |
1596 | ev_timer_stop (EV_A_ w); |
1687 | ev_timer_stop (EV_A_ w); |
1597 | } |
1688 | } |
1598 | else if (w->repeat) |
1689 | else if (w->repeat) |
… | |
… | |
1601 | ev_timer_start (EV_A_ w); |
1692 | ev_timer_start (EV_A_ w); |
1602 | } |
1693 | } |
1603 | } |
1694 | } |
1604 | |
1695 | |
1605 | #if EV_PERIODIC_ENABLE |
1696 | #if EV_PERIODIC_ENABLE |
1606 | void |
1697 | void noinline |
1607 | ev_periodic_start (EV_P_ ev_periodic *w) |
1698 | ev_periodic_start (EV_P_ ev_periodic *w) |
1608 | { |
1699 | { |
1609 | if (expect_false (ev_is_active (w))) |
1700 | if (expect_false (ev_is_active (w))) |
1610 | return; |
1701 | return; |
1611 | |
1702 | |
… | |
… | |
1613 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1704 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1614 | else if (w->interval) |
1705 | else if (w->interval) |
1615 | { |
1706 | { |
1616 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1707 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1617 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1708 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1618 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1709 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1619 | } |
1710 | } |
|
|
1711 | else |
|
|
1712 | ((WT)w)->at = w->offset; |
1620 | |
1713 | |
1621 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1714 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1622 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1715 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1623 | periodics [periodiccnt - 1] = w; |
1716 | periodics [periodiccnt - 1] = (WT)w; |
1624 | upheap ((WT *)periodics, periodiccnt - 1); |
1717 | upheap (periodics, periodiccnt - 1); |
1625 | |
1718 | |
1626 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1719 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1627 | } |
1720 | } |
1628 | |
1721 | |
1629 | void |
1722 | void noinline |
1630 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1723 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1631 | { |
1724 | { |
1632 | ev_clear_pending (EV_A_ (W)w); |
1725 | clear_pending (EV_A_ (W)w); |
1633 | if (expect_false (!ev_is_active (w))) |
1726 | if (expect_false (!ev_is_active (w))) |
1634 | return; |
1727 | return; |
1635 | |
1728 | |
1636 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1729 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1637 | |
1730 | |
1638 | { |
1731 | { |
1639 | int active = ((W)w)->active; |
1732 | int active = ((W)w)->active; |
1640 | |
1733 | |
1641 | if (expect_true (--active < --periodiccnt)) |
1734 | if (expect_true (--active < --periodiccnt)) |
1642 | { |
1735 | { |
1643 | periodics [active] = periodics [periodiccnt]; |
1736 | periodics [active] = periodics [periodiccnt]; |
1644 | adjustheap ((WT *)periodics, periodiccnt, active); |
1737 | adjustheap (periodics, periodiccnt, active); |
1645 | } |
1738 | } |
1646 | } |
1739 | } |
1647 | |
1740 | |
1648 | ev_stop (EV_A_ (W)w); |
1741 | ev_stop (EV_A_ (W)w); |
1649 | } |
1742 | } |
1650 | |
1743 | |
1651 | void |
1744 | void noinline |
1652 | ev_periodic_again (EV_P_ ev_periodic *w) |
1745 | ev_periodic_again (EV_P_ ev_periodic *w) |
1653 | { |
1746 | { |
1654 | /* TODO: use adjustheap and recalculation */ |
1747 | /* TODO: use adjustheap and recalculation */ |
1655 | ev_periodic_stop (EV_A_ w); |
1748 | ev_periodic_stop (EV_A_ w); |
1656 | ev_periodic_start (EV_A_ w); |
1749 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1659 | |
1752 | |
1660 | #ifndef SA_RESTART |
1753 | #ifndef SA_RESTART |
1661 | # define SA_RESTART 0 |
1754 | # define SA_RESTART 0 |
1662 | #endif |
1755 | #endif |
1663 | |
1756 | |
1664 | void |
1757 | void noinline |
1665 | ev_signal_start (EV_P_ ev_signal *w) |
1758 | ev_signal_start (EV_P_ ev_signal *w) |
1666 | { |
1759 | { |
1667 | #if EV_MULTIPLICITY |
1760 | #if EV_MULTIPLICITY |
1668 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1761 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1669 | #endif |
1762 | #endif |
1670 | if (expect_false (ev_is_active (w))) |
1763 | if (expect_false (ev_is_active (w))) |
1671 | return; |
1764 | return; |
1672 | |
1765 | |
1673 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1766 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1674 | |
1767 | |
|
|
1768 | { |
|
|
1769 | #ifndef _WIN32 |
|
|
1770 | sigset_t full, prev; |
|
|
1771 | sigfillset (&full); |
|
|
1772 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1773 | #endif |
|
|
1774 | |
|
|
1775 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1776 | |
|
|
1777 | #ifndef _WIN32 |
|
|
1778 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1779 | #endif |
|
|
1780 | } |
|
|
1781 | |
1675 | ev_start (EV_A_ (W)w, 1); |
1782 | ev_start (EV_A_ (W)w, 1); |
1676 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1677 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1783 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1678 | |
1784 | |
1679 | if (!((WL)w)->next) |
1785 | if (!((WL)w)->next) |
1680 | { |
1786 | { |
1681 | #if _WIN32 |
1787 | #if _WIN32 |
1682 | signal (w->signum, sighandler); |
1788 | signal (w->signum, sighandler); |
… | |
… | |
1688 | sigaction (w->signum, &sa, 0); |
1794 | sigaction (w->signum, &sa, 0); |
1689 | #endif |
1795 | #endif |
1690 | } |
1796 | } |
1691 | } |
1797 | } |
1692 | |
1798 | |
1693 | void |
1799 | void noinline |
1694 | ev_signal_stop (EV_P_ ev_signal *w) |
1800 | ev_signal_stop (EV_P_ ev_signal *w) |
1695 | { |
1801 | { |
1696 | ev_clear_pending (EV_A_ (W)w); |
1802 | clear_pending (EV_A_ (W)w); |
1697 | if (expect_false (!ev_is_active (w))) |
1803 | if (expect_false (!ev_is_active (w))) |
1698 | return; |
1804 | return; |
1699 | |
1805 | |
1700 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1806 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1701 | ev_stop (EV_A_ (W)w); |
1807 | ev_stop (EV_A_ (W)w); |
1702 | |
1808 | |
1703 | if (!signals [w->signum - 1].head) |
1809 | if (!signals [w->signum - 1].head) |
1704 | signal (w->signum, SIG_DFL); |
1810 | signal (w->signum, SIG_DFL); |
1705 | } |
1811 | } |
… | |
… | |
1712 | #endif |
1818 | #endif |
1713 | if (expect_false (ev_is_active (w))) |
1819 | if (expect_false (ev_is_active (w))) |
1714 | return; |
1820 | return; |
1715 | |
1821 | |
1716 | ev_start (EV_A_ (W)w, 1); |
1822 | ev_start (EV_A_ (W)w, 1); |
1717 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1823 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1718 | } |
1824 | } |
1719 | |
1825 | |
1720 | void |
1826 | void |
1721 | ev_child_stop (EV_P_ ev_child *w) |
1827 | ev_child_stop (EV_P_ ev_child *w) |
1722 | { |
1828 | { |
1723 | ev_clear_pending (EV_A_ (W)w); |
1829 | clear_pending (EV_A_ (W)w); |
1724 | if (expect_false (!ev_is_active (w))) |
1830 | if (expect_false (!ev_is_active (w))) |
1725 | return; |
1831 | return; |
1726 | |
1832 | |
1727 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1833 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1728 | ev_stop (EV_A_ (W)w); |
1834 | ev_stop (EV_A_ (W)w); |
1729 | } |
1835 | } |
1730 | |
1836 | |
1731 | #if EV_STAT_ENABLE |
1837 | #if EV_STAT_ENABLE |
1732 | |
1838 | |
… | |
… | |
1964 | } |
2070 | } |
1965 | |
2071 | |
1966 | void |
2072 | void |
1967 | ev_stat_stop (EV_P_ ev_stat *w) |
2073 | ev_stat_stop (EV_P_ ev_stat *w) |
1968 | { |
2074 | { |
1969 | ev_clear_pending (EV_A_ (W)w); |
2075 | clear_pending (EV_A_ (W)w); |
1970 | if (expect_false (!ev_is_active (w))) |
2076 | if (expect_false (!ev_is_active (w))) |
1971 | return; |
2077 | return; |
1972 | |
2078 | |
1973 | #if EV_USE_INOTIFY |
2079 | #if EV_USE_INOTIFY |
1974 | infy_del (EV_A_ w); |
2080 | infy_del (EV_A_ w); |
… | |
… | |
1977 | |
2083 | |
1978 | ev_stop (EV_A_ (W)w); |
2084 | ev_stop (EV_A_ (W)w); |
1979 | } |
2085 | } |
1980 | #endif |
2086 | #endif |
1981 | |
2087 | |
|
|
2088 | #if EV_IDLE_ENABLE |
1982 | void |
2089 | void |
1983 | ev_idle_start (EV_P_ ev_idle *w) |
2090 | ev_idle_start (EV_P_ ev_idle *w) |
1984 | { |
2091 | { |
1985 | if (expect_false (ev_is_active (w))) |
2092 | if (expect_false (ev_is_active (w))) |
1986 | return; |
2093 | return; |
1987 | |
2094 | |
|
|
2095 | pri_adjust (EV_A_ (W)w); |
|
|
2096 | |
|
|
2097 | { |
|
|
2098 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2099 | |
|
|
2100 | ++idleall; |
1988 | ev_start (EV_A_ (W)w, ++idlecnt); |
2101 | ev_start (EV_A_ (W)w, active); |
|
|
2102 | |
1989 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2103 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1990 | idles [idlecnt - 1] = w; |
2104 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2105 | } |
1991 | } |
2106 | } |
1992 | |
2107 | |
1993 | void |
2108 | void |
1994 | ev_idle_stop (EV_P_ ev_idle *w) |
2109 | ev_idle_stop (EV_P_ ev_idle *w) |
1995 | { |
2110 | { |
1996 | ev_clear_pending (EV_A_ (W)w); |
2111 | clear_pending (EV_A_ (W)w); |
1997 | if (expect_false (!ev_is_active (w))) |
2112 | if (expect_false (!ev_is_active (w))) |
1998 | return; |
2113 | return; |
1999 | |
2114 | |
2000 | { |
2115 | { |
2001 | int active = ((W)w)->active; |
2116 | int active = ((W)w)->active; |
2002 | idles [active - 1] = idles [--idlecnt]; |
2117 | |
|
|
2118 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2003 | ((W)idles [active - 1])->active = active; |
2119 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2120 | |
|
|
2121 | ev_stop (EV_A_ (W)w); |
|
|
2122 | --idleall; |
2004 | } |
2123 | } |
2005 | |
|
|
2006 | ev_stop (EV_A_ (W)w); |
|
|
2007 | } |
2124 | } |
|
|
2125 | #endif |
2008 | |
2126 | |
2009 | void |
2127 | void |
2010 | ev_prepare_start (EV_P_ ev_prepare *w) |
2128 | ev_prepare_start (EV_P_ ev_prepare *w) |
2011 | { |
2129 | { |
2012 | if (expect_false (ev_is_active (w))) |
2130 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2018 | } |
2136 | } |
2019 | |
2137 | |
2020 | void |
2138 | void |
2021 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2139 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2022 | { |
2140 | { |
2023 | ev_clear_pending (EV_A_ (W)w); |
2141 | clear_pending (EV_A_ (W)w); |
2024 | if (expect_false (!ev_is_active (w))) |
2142 | if (expect_false (!ev_is_active (w))) |
2025 | return; |
2143 | return; |
2026 | |
2144 | |
2027 | { |
2145 | { |
2028 | int active = ((W)w)->active; |
2146 | int active = ((W)w)->active; |
… | |
… | |
2045 | } |
2163 | } |
2046 | |
2164 | |
2047 | void |
2165 | void |
2048 | ev_check_stop (EV_P_ ev_check *w) |
2166 | ev_check_stop (EV_P_ ev_check *w) |
2049 | { |
2167 | { |
2050 | ev_clear_pending (EV_A_ (W)w); |
2168 | clear_pending (EV_A_ (W)w); |
2051 | if (expect_false (!ev_is_active (w))) |
2169 | if (expect_false (!ev_is_active (w))) |
2052 | return; |
2170 | return; |
2053 | |
2171 | |
2054 | { |
2172 | { |
2055 | int active = ((W)w)->active; |
2173 | int active = ((W)w)->active; |
… | |
… | |
2097 | } |
2215 | } |
2098 | |
2216 | |
2099 | void |
2217 | void |
2100 | ev_embed_stop (EV_P_ ev_embed *w) |
2218 | ev_embed_stop (EV_P_ ev_embed *w) |
2101 | { |
2219 | { |
2102 | ev_clear_pending (EV_A_ (W)w); |
2220 | clear_pending (EV_A_ (W)w); |
2103 | if (expect_false (!ev_is_active (w))) |
2221 | if (expect_false (!ev_is_active (w))) |
2104 | return; |
2222 | return; |
2105 | |
2223 | |
2106 | ev_io_stop (EV_A_ &w->io); |
2224 | ev_io_stop (EV_A_ &w->io); |
2107 | |
2225 | |
… | |
… | |
2122 | } |
2240 | } |
2123 | |
2241 | |
2124 | void |
2242 | void |
2125 | ev_fork_stop (EV_P_ ev_fork *w) |
2243 | ev_fork_stop (EV_P_ ev_fork *w) |
2126 | { |
2244 | { |
2127 | ev_clear_pending (EV_A_ (W)w); |
2245 | clear_pending (EV_A_ (W)w); |
2128 | if (expect_false (!ev_is_active (w))) |
2246 | if (expect_false (!ev_is_active (w))) |
2129 | return; |
2247 | return; |
2130 | |
2248 | |
2131 | { |
2249 | { |
2132 | int active = ((W)w)->active; |
2250 | int active = ((W)w)->active; |