… | |
… | |
216 | # include <sys/inotify.h> |
216 | # include <sys/inotify.h> |
217 | #endif |
217 | #endif |
218 | |
218 | |
219 | /**/ |
219 | /**/ |
220 | |
220 | |
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221 | /* |
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222 | * This is used to avoid floating point rounding problems. |
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223 | * It is added to ev_rt_now when scheduling periodics |
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224 | * to ensure progress, time-wise, even when rounding |
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225 | * errors are against us. |
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226 | * This value is good at least till the year 4000. |
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227 | * Better solutions welcome. |
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228 | */ |
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229 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
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230 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
231 | #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) */ |
232 | #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 */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
234 | |
225 | #if __GNUC__ >= 3 |
235 | #if __GNUC__ >= 3 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
236 | # 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)) |
237 | # 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 |
238 | #else |
236 | # define expect(expr,value) (expr) |
239 | # 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 |
240 | # define noinline |
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241 | # if __STDC_VERSION__ < 199901L |
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242 | # define inline |
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243 | # endif |
240 | #endif |
244 | #endif |
241 | |
245 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
247 | #define expect_true(expr) expect ((expr) != 0, 1) |
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248 | #define inline_size static inline |
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249 | |
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250 | #if EV_MINIMAL |
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251 | # define inline_speed static noinline |
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252 | #else |
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253 | # define inline_speed static inline |
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254 | #endif |
244 | |
255 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
256 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
257 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
258 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
259 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
260 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
261 | |
251 | typedef ev_watcher *W; |
262 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
263 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
264 | typedef ev_watcher_time *WT; |
… | |
… | |
281 | perror (msg); |
292 | perror (msg); |
282 | abort (); |
293 | abort (); |
283 | } |
294 | } |
284 | } |
295 | } |
285 | |
296 | |
286 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
297 | static void *(*alloc)(void *ptr, long size); |
287 | |
298 | |
288 | void |
299 | void |
289 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
300 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
290 | { |
301 | { |
291 | alloc = cb; |
302 | alloc = cb; |
292 | } |
303 | } |
293 | |
304 | |
294 | inline_speed void * |
305 | inline_speed void * |
295 | ev_realloc (void *ptr, size_t size) |
306 | ev_realloc (void *ptr, long size) |
296 | { |
307 | { |
297 | ptr = alloc (ptr, size); |
308 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
298 | |
309 | |
299 | if (!ptr && size) |
310 | if (!ptr && size) |
300 | { |
311 | { |
301 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
312 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
302 | abort (); |
313 | abort (); |
303 | } |
314 | } |
304 | |
315 | |
305 | return ptr; |
316 | return ptr; |
306 | } |
317 | } |
… | |
… | |
324 | { |
335 | { |
325 | W w; |
336 | W w; |
326 | int events; |
337 | int events; |
327 | } ANPENDING; |
338 | } ANPENDING; |
328 | |
339 | |
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340 | #if EV_USE_INOTIFY |
329 | typedef struct |
341 | typedef struct |
330 | { |
342 | { |
331 | #if EV_USE_INOTIFY |
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332 | WL head; |
343 | WL head; |
333 | #endif |
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334 | } ANFS; |
344 | } ANFS; |
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345 | #endif |
335 | |
346 | |
336 | #if EV_MULTIPLICITY |
347 | #if EV_MULTIPLICITY |
337 | |
348 | |
338 | struct ev_loop |
349 | struct ev_loop |
339 | { |
350 | { |
… | |
… | |
396 | { |
407 | { |
397 | return ev_rt_now; |
408 | return ev_rt_now; |
398 | } |
409 | } |
399 | #endif |
410 | #endif |
400 | |
411 | |
401 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
412 | int inline_size |
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413 | array_nextsize (int elem, int cur, int cnt) |
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414 | { |
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415 | int ncur = cur + 1; |
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416 | |
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417 | do |
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418 | ncur <<= 1; |
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419 | while (cnt > ncur); |
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420 | |
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421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
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422 | if (elem * ncur > 4096) |
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423 | { |
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424 | ncur *= elem; |
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425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
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426 | ncur = ncur - sizeof (void *) * 4; |
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427 | ncur /= elem; |
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428 | } |
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429 | |
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430 | return ncur; |
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431 | } |
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432 | |
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433 | static noinline void * |
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434 | array_realloc (int elem, void *base, int *cur, int cnt) |
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435 | { |
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436 | *cur = array_nextsize (elem, *cur, cnt); |
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437 | return ev_realloc (base, elem * *cur); |
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438 | } |
402 | |
439 | |
403 | #define array_needsize(type,base,cur,cnt,init) \ |
440 | #define array_needsize(type,base,cur,cnt,init) \ |
404 | if (expect_false ((cnt) > cur)) \ |
441 | if (expect_false ((cnt) > (cur))) \ |
405 | { \ |
442 | { \ |
406 | int newcnt = cur; \ |
443 | int ocur_ = (cur); \ |
407 | do \ |
444 | (base) = (type *)array_realloc \ |
408 | { \ |
445 | (sizeof (type), (base), &(cur), (cnt)); \ |
409 | newcnt = array_roundsize (type, newcnt << 1); \ |
446 | 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 | } |
447 | } |
417 | |
448 | |
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449 | #if 0 |
418 | #define array_slim(type,stem) \ |
450 | #define array_slim(type,stem) \ |
419 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
451 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
420 | { \ |
452 | { \ |
421 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
453 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
422 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
454 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
423 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
455 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
424 | } |
456 | } |
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457 | #endif |
425 | |
458 | |
426 | #define array_free(stem, idx) \ |
459 | #define array_free(stem, idx) \ |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
460 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
428 | |
461 | |
429 | /*****************************************************************************/ |
462 | /*****************************************************************************/ |
430 | |
463 | |
431 | void noinline |
464 | void noinline |
432 | ev_feed_event (EV_P_ void *w, int revents) |
465 | ev_feed_event (EV_P_ void *w, int revents) |
433 | { |
466 | { |
434 | W w_ = (W)w; |
467 | W w_ = (W)w; |
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468 | int pri = ABSPRI (w_); |
435 | |
469 | |
436 | if (expect_false (w_->pending)) |
470 | if (expect_false (w_->pending)) |
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471 | pendings [pri][w_->pending - 1].events |= revents; |
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472 | else |
437 | { |
473 | { |
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474 | w_->pending = ++pendingcnt [pri]; |
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475 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
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476 | pendings [pri][w_->pending - 1].w = w_; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
477 | pendings [pri][w_->pending - 1].events = revents; |
439 | return; |
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440 | } |
478 | } |
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 | } |
479 | } |
447 | |
480 | |
448 | void inline_size |
481 | void inline_speed |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
450 | { |
483 | { |
451 | int i; |
484 | int i; |
452 | |
485 | |
453 | for (i = 0; i < eventcnt; ++i) |
486 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
485 | } |
518 | } |
486 | |
519 | |
487 | void |
520 | void |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
521 | ev_feed_fd_event (EV_P_ int fd, int revents) |
489 | { |
522 | { |
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523 | if (fd >= 0 && fd < anfdmax) |
490 | fd_event (EV_A_ fd, revents); |
524 | fd_event (EV_A_ fd, revents); |
491 | } |
525 | } |
492 | |
526 | |
493 | void inline_size |
527 | void inline_size |
494 | fd_reify (EV_P) |
528 | fd_reify (EV_P) |
495 | { |
529 | { |
… | |
… | |
499 | { |
533 | { |
500 | int fd = fdchanges [i]; |
534 | int fd = fdchanges [i]; |
501 | ANFD *anfd = anfds + fd; |
535 | ANFD *anfd = anfds + fd; |
502 | ev_io *w; |
536 | ev_io *w; |
503 | |
537 | |
504 | int events = 0; |
538 | unsigned char events = 0; |
505 | |
539 | |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
540 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
507 | events |= w->events; |
541 | events |= (unsigned char)w->events; |
508 | |
542 | |
509 | #if EV_SELECT_IS_WINSOCKET |
543 | #if EV_SELECT_IS_WINSOCKET |
510 | if (events) |
544 | if (events) |
511 | { |
545 | { |
512 | unsigned long argp; |
546 | unsigned long argp; |
513 | anfd->handle = _get_osfhandle (fd); |
547 | anfd->handle = _get_osfhandle (fd); |
514 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
548 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
515 | } |
549 | } |
516 | #endif |
550 | #endif |
517 | |
551 | |
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552 | { |
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553 | unsigned char o_events = anfd->events; |
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554 | unsigned char o_reify = anfd->reify; |
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555 | |
518 | anfd->reify = 0; |
556 | 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; |
557 | anfd->events = events; |
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558 | |
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559 | if (o_events != events || o_reify & EV_IOFDSET) |
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560 | backend_modify (EV_A_ fd, o_events, events); |
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561 | } |
522 | } |
562 | } |
523 | |
563 | |
524 | fdchangecnt = 0; |
564 | fdchangecnt = 0; |
525 | } |
565 | } |
526 | |
566 | |
527 | void inline_size |
567 | void inline_size |
528 | fd_change (EV_P_ int fd) |
568 | fd_change (EV_P_ int fd, int flags) |
529 | { |
569 | { |
530 | if (expect_false (anfds [fd].reify)) |
570 | unsigned char reify = anfds [fd].reify; |
531 | return; |
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532 | |
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533 | anfds [fd].reify = 1; |
571 | anfds [fd].reify |= flags; |
534 | |
572 | |
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573 | if (expect_true (!reify)) |
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574 | { |
535 | ++fdchangecnt; |
575 | ++fdchangecnt; |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
576 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
537 | fdchanges [fdchangecnt - 1] = fd; |
577 | fdchanges [fdchangecnt - 1] = fd; |
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578 | } |
538 | } |
579 | } |
539 | |
580 | |
540 | void inline_speed |
581 | void inline_speed |
541 | fd_kill (EV_P_ int fd) |
582 | fd_kill (EV_P_ int fd) |
542 | { |
583 | { |
… | |
… | |
589 | static void noinline |
630 | static void noinline |
590 | fd_rearm_all (EV_P) |
631 | fd_rearm_all (EV_P) |
591 | { |
632 | { |
592 | int fd; |
633 | int fd; |
593 | |
634 | |
594 | /* this should be highly optimised to not do anything but set a flag */ |
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595 | for (fd = 0; fd < anfdmax; ++fd) |
635 | for (fd = 0; fd < anfdmax; ++fd) |
596 | if (anfds [fd].events) |
636 | if (anfds [fd].events) |
597 | { |
637 | { |
598 | anfds [fd].events = 0; |
638 | anfds [fd].events = 0; |
599 | fd_change (EV_A_ fd); |
639 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
600 | } |
640 | } |
601 | } |
641 | } |
602 | |
642 | |
603 | /*****************************************************************************/ |
643 | /*****************************************************************************/ |
604 | |
644 | |
605 | void inline_speed |
645 | void inline_speed |
606 | upheap (WT *heap, int k) |
646 | upheap (WT *heap, int k) |
607 | { |
647 | { |
608 | WT w = heap [k]; |
648 | WT w = heap [k]; |
609 | |
649 | |
610 | while (k && heap [k >> 1]->at > w->at) |
650 | while (k) |
611 | { |
651 | { |
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652 | int p = (k - 1) >> 1; |
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653 | |
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654 | if (heap [p]->at <= w->at) |
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655 | break; |
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656 | |
612 | heap [k] = heap [k >> 1]; |
657 | heap [k] = heap [p]; |
613 | ((W)heap [k])->active = k + 1; |
658 | ((W)heap [k])->active = k + 1; |
614 | k >>= 1; |
659 | k = p; |
615 | } |
660 | } |
616 | |
661 | |
617 | heap [k] = w; |
662 | heap [k] = w; |
618 | ((W)heap [k])->active = k + 1; |
663 | ((W)heap [k])->active = k + 1; |
619 | |
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620 | } |
664 | } |
621 | |
665 | |
622 | void inline_speed |
666 | void inline_speed |
623 | downheap (WT *heap, int N, int k) |
667 | downheap (WT *heap, int N, int k) |
624 | { |
668 | { |
625 | WT w = heap [k]; |
669 | WT w = heap [k]; |
626 | |
670 | |
627 | while (k < (N >> 1)) |
671 | for (;;) |
628 | { |
672 | { |
629 | int j = k << 1; |
673 | int c = (k << 1) + 1; |
630 | |
674 | |
631 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
675 | if (c >= N) |
632 | ++j; |
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633 | |
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634 | if (w->at <= heap [j]->at) |
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635 | break; |
676 | break; |
636 | |
677 | |
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678 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
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679 | ? 1 : 0; |
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680 | |
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681 | if (w->at <= heap [c]->at) |
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682 | break; |
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683 | |
637 | heap [k] = heap [j]; |
684 | heap [k] = heap [c]; |
638 | ((W)heap [k])->active = k + 1; |
685 | ((W)heap [k])->active = k + 1; |
|
|
686 | |
639 | k = j; |
687 | k = c; |
640 | } |
688 | } |
641 | |
689 | |
642 | heap [k] = w; |
690 | heap [k] = w; |
643 | ((W)heap [k])->active = k + 1; |
691 | ((W)heap [k])->active = k + 1; |
644 | } |
692 | } |
… | |
… | |
726 | for (signum = signalmax; signum--; ) |
774 | for (signum = signalmax; signum--; ) |
727 | if (signals [signum].gotsig) |
775 | if (signals [signum].gotsig) |
728 | ev_feed_signal_event (EV_A_ signum + 1); |
776 | ev_feed_signal_event (EV_A_ signum + 1); |
729 | } |
777 | } |
730 | |
778 | |
731 | void inline_size |
779 | void inline_speed |
732 | fd_intern (int fd) |
780 | fd_intern (int fd) |
733 | { |
781 | { |
734 | #ifdef _WIN32 |
782 | #ifdef _WIN32 |
735 | int arg = 1; |
783 | int arg = 1; |
736 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
784 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
751 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
799 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
752 | } |
800 | } |
753 | |
801 | |
754 | /*****************************************************************************/ |
802 | /*****************************************************************************/ |
755 | |
803 | |
756 | static ev_child *childs [EV_PID_HASHSIZE]; |
804 | static WL childs [EV_PID_HASHSIZE]; |
757 | |
805 | |
758 | #ifndef _WIN32 |
806 | #ifndef _WIN32 |
759 | |
807 | |
760 | static ev_signal childev; |
808 | static ev_signal childev; |
761 | |
809 | |
… | |
… | |
765 | ev_child *w; |
813 | ev_child *w; |
766 | |
814 | |
767 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
815 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
768 | if (w->pid == pid || !w->pid) |
816 | if (w->pid == pid || !w->pid) |
769 | { |
817 | { |
770 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
818 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
771 | w->rpid = pid; |
819 | w->rpid = pid; |
772 | w->rstatus = status; |
820 | w->rstatus = status; |
773 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
821 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
774 | } |
822 | } |
775 | } |
823 | } |
776 | |
824 | |
777 | #ifndef WCONTINUED |
825 | #ifndef WCONTINUED |
… | |
… | |
887 | ev_backend (EV_P) |
935 | ev_backend (EV_P) |
888 | { |
936 | { |
889 | return backend; |
937 | return backend; |
890 | } |
938 | } |
891 | |
939 | |
|
|
940 | unsigned int |
|
|
941 | ev_loop_count (EV_P) |
|
|
942 | { |
|
|
943 | return loop_count; |
|
|
944 | } |
|
|
945 | |
892 | static void noinline |
946 | static void noinline |
893 | loop_init (EV_P_ unsigned int flags) |
947 | loop_init (EV_P_ unsigned int flags) |
894 | { |
948 | { |
895 | if (!backend) |
949 | if (!backend) |
896 | { |
950 | { |
… | |
… | |
905 | ev_rt_now = ev_time (); |
959 | ev_rt_now = ev_time (); |
906 | mn_now = get_clock (); |
960 | mn_now = get_clock (); |
907 | now_floor = mn_now; |
961 | now_floor = mn_now; |
908 | rtmn_diff = ev_rt_now - mn_now; |
962 | rtmn_diff = ev_rt_now - mn_now; |
909 | |
963 | |
|
|
964 | /* pid check not overridable via env */ |
|
|
965 | #ifndef _WIN32 |
|
|
966 | if (flags & EVFLAG_FORKCHECK) |
|
|
967 | curpid = getpid (); |
|
|
968 | #endif |
|
|
969 | |
910 | if (!(flags & EVFLAG_NOENV) |
970 | if (!(flags & EVFLAG_NOENV) |
911 | && !enable_secure () |
971 | && !enable_secure () |
912 | && getenv ("LIBEV_FLAGS")) |
972 | && getenv ("LIBEV_FLAGS")) |
913 | flags = atoi (getenv ("LIBEV_FLAGS")); |
973 | flags = atoi (getenv ("LIBEV_FLAGS")); |
914 | |
974 | |
… | |
… | |
970 | #if EV_USE_SELECT |
1030 | #if EV_USE_SELECT |
971 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1031 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
972 | #endif |
1032 | #endif |
973 | |
1033 | |
974 | for (i = NUMPRI; i--; ) |
1034 | for (i = NUMPRI; i--; ) |
|
|
1035 | { |
975 | array_free (pending, [i]); |
1036 | array_free (pending, [i]); |
|
|
1037 | #if EV_IDLE_ENABLE |
|
|
1038 | array_free (idle, [i]); |
|
|
1039 | #endif |
|
|
1040 | } |
976 | |
1041 | |
977 | /* have to use the microsoft-never-gets-it-right macro */ |
1042 | /* have to use the microsoft-never-gets-it-right macro */ |
978 | array_free (fdchange, EMPTY0); |
1043 | array_free (fdchange, EMPTY); |
979 | array_free (timer, EMPTY0); |
1044 | array_free (timer, EMPTY); |
980 | #if EV_PERIODIC_ENABLE |
1045 | #if EV_PERIODIC_ENABLE |
981 | array_free (periodic, EMPTY0); |
1046 | array_free (periodic, EMPTY); |
982 | #endif |
1047 | #endif |
983 | array_free (idle, EMPTY0); |
|
|
984 | array_free (prepare, EMPTY0); |
1048 | array_free (prepare, EMPTY); |
985 | array_free (check, EMPTY0); |
1049 | array_free (check, EMPTY); |
986 | |
1050 | |
987 | backend = 0; |
1051 | backend = 0; |
988 | } |
1052 | } |
|
|
1053 | |
|
|
1054 | void inline_size infy_fork (EV_P); |
989 | |
1055 | |
990 | void inline_size |
1056 | void inline_size |
991 | loop_fork (EV_P) |
1057 | loop_fork (EV_P) |
992 | { |
1058 | { |
993 | #if EV_USE_PORT |
1059 | #if EV_USE_PORT |
… | |
… | |
996 | #if EV_USE_KQUEUE |
1062 | #if EV_USE_KQUEUE |
997 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1063 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
998 | #endif |
1064 | #endif |
999 | #if EV_USE_EPOLL |
1065 | #if EV_USE_EPOLL |
1000 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1066 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1067 | #endif |
|
|
1068 | #if EV_USE_INOTIFY |
|
|
1069 | infy_fork (EV_A); |
1001 | #endif |
1070 | #endif |
1002 | |
1071 | |
1003 | if (ev_is_active (&sigev)) |
1072 | if (ev_is_active (&sigev)) |
1004 | { |
1073 | { |
1005 | /* default loop */ |
1074 | /* default loop */ |
… | |
… | |
1121 | postfork = 1; |
1190 | postfork = 1; |
1122 | } |
1191 | } |
1123 | |
1192 | |
1124 | /*****************************************************************************/ |
1193 | /*****************************************************************************/ |
1125 | |
1194 | |
1126 | int inline_size |
1195 | void |
1127 | any_pending (EV_P) |
1196 | ev_invoke (EV_P_ void *w, int revents) |
1128 | { |
1197 | { |
1129 | int pri; |
1198 | EV_CB_INVOKE ((W)w, revents); |
1130 | |
|
|
1131 | for (pri = NUMPRI; pri--; ) |
|
|
1132 | if (pendingcnt [pri]) |
|
|
1133 | return 1; |
|
|
1134 | |
|
|
1135 | return 0; |
|
|
1136 | } |
1199 | } |
1137 | |
1200 | |
1138 | void inline_speed |
1201 | void inline_speed |
1139 | call_pending (EV_P) |
1202 | call_pending (EV_P) |
1140 | { |
1203 | { |
… | |
… | |
1158 | void inline_size |
1221 | void inline_size |
1159 | timers_reify (EV_P) |
1222 | timers_reify (EV_P) |
1160 | { |
1223 | { |
1161 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1224 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1162 | { |
1225 | { |
1163 | ev_timer *w = timers [0]; |
1226 | ev_timer *w = (ev_timer *)timers [0]; |
1164 | |
1227 | |
1165 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1228 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1166 | |
1229 | |
1167 | /* first reschedule or stop timer */ |
1230 | /* first reschedule or stop timer */ |
1168 | if (w->repeat) |
1231 | if (w->repeat) |
… | |
… | |
1171 | |
1234 | |
1172 | ((WT)w)->at += w->repeat; |
1235 | ((WT)w)->at += w->repeat; |
1173 | if (((WT)w)->at < mn_now) |
1236 | if (((WT)w)->at < mn_now) |
1174 | ((WT)w)->at = mn_now; |
1237 | ((WT)w)->at = mn_now; |
1175 | |
1238 | |
1176 | downheap ((WT *)timers, timercnt, 0); |
1239 | downheap (timers, timercnt, 0); |
1177 | } |
1240 | } |
1178 | else |
1241 | else |
1179 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1242 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1180 | |
1243 | |
1181 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1244 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1186 | void inline_size |
1249 | void inline_size |
1187 | periodics_reify (EV_P) |
1250 | periodics_reify (EV_P) |
1188 | { |
1251 | { |
1189 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1252 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1190 | { |
1253 | { |
1191 | ev_periodic *w = periodics [0]; |
1254 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1192 | |
1255 | |
1193 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1256 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1194 | |
1257 | |
1195 | /* first reschedule or stop timer */ |
1258 | /* first reschedule or stop timer */ |
1196 | if (w->reschedule_cb) |
1259 | if (w->reschedule_cb) |
1197 | { |
1260 | { |
1198 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1261 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1199 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1262 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1200 | downheap ((WT *)periodics, periodiccnt, 0); |
1263 | downheap (periodics, periodiccnt, 0); |
1201 | } |
1264 | } |
1202 | else if (w->interval) |
1265 | else if (w->interval) |
1203 | { |
1266 | { |
1204 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1267 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1268 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1205 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1269 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1206 | downheap ((WT *)periodics, periodiccnt, 0); |
1270 | downheap (periodics, periodiccnt, 0); |
1207 | } |
1271 | } |
1208 | else |
1272 | else |
1209 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1273 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1210 | |
1274 | |
1211 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1275 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1218 | int i; |
1282 | int i; |
1219 | |
1283 | |
1220 | /* adjust periodics after time jump */ |
1284 | /* adjust periodics after time jump */ |
1221 | for (i = 0; i < periodiccnt; ++i) |
1285 | for (i = 0; i < periodiccnt; ++i) |
1222 | { |
1286 | { |
1223 | ev_periodic *w = periodics [i]; |
1287 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1224 | |
1288 | |
1225 | if (w->reschedule_cb) |
1289 | if (w->reschedule_cb) |
1226 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1290 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1227 | else if (w->interval) |
1291 | else if (w->interval) |
1228 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1292 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1229 | } |
1293 | } |
1230 | |
1294 | |
1231 | /* now rebuild the heap */ |
1295 | /* now rebuild the heap */ |
1232 | for (i = periodiccnt >> 1; i--; ) |
1296 | for (i = periodiccnt >> 1; i--; ) |
1233 | downheap ((WT *)periodics, periodiccnt, i); |
1297 | downheap (periodics, periodiccnt, i); |
1234 | } |
1298 | } |
1235 | #endif |
1299 | #endif |
1236 | |
1300 | |
|
|
1301 | #if EV_IDLE_ENABLE |
1237 | int inline_size |
1302 | void inline_size |
1238 | time_update_monotonic (EV_P) |
1303 | idle_reify (EV_P) |
1239 | { |
1304 | { |
|
|
1305 | if (expect_false (idleall)) |
|
|
1306 | { |
|
|
1307 | int pri; |
|
|
1308 | |
|
|
1309 | for (pri = NUMPRI; pri--; ) |
|
|
1310 | { |
|
|
1311 | if (pendingcnt [pri]) |
|
|
1312 | break; |
|
|
1313 | |
|
|
1314 | if (idlecnt [pri]) |
|
|
1315 | { |
|
|
1316 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1317 | break; |
|
|
1318 | } |
|
|
1319 | } |
|
|
1320 | } |
|
|
1321 | } |
|
|
1322 | #endif |
|
|
1323 | |
|
|
1324 | void inline_speed |
|
|
1325 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1326 | { |
|
|
1327 | int i; |
|
|
1328 | |
|
|
1329 | #if EV_USE_MONOTONIC |
|
|
1330 | if (expect_true (have_monotonic)) |
|
|
1331 | { |
|
|
1332 | ev_tstamp odiff = rtmn_diff; |
|
|
1333 | |
1240 | mn_now = get_clock (); |
1334 | mn_now = get_clock (); |
1241 | |
1335 | |
|
|
1336 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1337 | /* interpolate in the meantime */ |
1242 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1338 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1243 | { |
1339 | { |
1244 | ev_rt_now = rtmn_diff + mn_now; |
1340 | ev_rt_now = rtmn_diff + mn_now; |
1245 | return 0; |
1341 | return; |
1246 | } |
1342 | } |
1247 | else |
1343 | |
1248 | { |
|
|
1249 | now_floor = mn_now; |
1344 | now_floor = mn_now; |
1250 | ev_rt_now = ev_time (); |
1345 | ev_rt_now = ev_time (); |
1251 | return 1; |
|
|
1252 | } |
|
|
1253 | } |
|
|
1254 | |
1346 | |
1255 | void inline_size |
1347 | /* loop a few times, before making important decisions. |
1256 | time_update (EV_P) |
1348 | * on the choice of "4": one iteration isn't enough, |
1257 | { |
1349 | * in case we get preempted during the calls to |
1258 | int i; |
1350 | * ev_time and get_clock. a second call is almost guaranteed |
1259 | |
1351 | * to succeed in that case, though. and looping a few more times |
1260 | #if EV_USE_MONOTONIC |
1352 | * doesn't hurt either as we only do this on time-jumps or |
1261 | if (expect_true (have_monotonic)) |
1353 | * in the unlikely event of having been preempted here. |
1262 | { |
1354 | */ |
1263 | if (time_update_monotonic (EV_A)) |
1355 | for (i = 4; --i; ) |
1264 | { |
1356 | { |
1265 | ev_tstamp odiff = rtmn_diff; |
|
|
1266 | |
|
|
1267 | /* loop a few times, before making important decisions. |
|
|
1268 | * on the choice of "4": one iteration isn't enough, |
|
|
1269 | * in case we get preempted during the calls to |
|
|
1270 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1271 | * to succeed in that case, though. and looping a few more times |
|
|
1272 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1273 | * in the unlikely event of getting preempted here. |
|
|
1274 | */ |
|
|
1275 | for (i = 4; --i; ) |
|
|
1276 | { |
|
|
1277 | rtmn_diff = ev_rt_now - mn_now; |
1357 | rtmn_diff = ev_rt_now - mn_now; |
1278 | |
1358 | |
1279 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1359 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1280 | return; /* all is well */ |
1360 | return; /* all is well */ |
1281 | |
1361 | |
1282 | ev_rt_now = ev_time (); |
1362 | ev_rt_now = ev_time (); |
1283 | mn_now = get_clock (); |
1363 | mn_now = get_clock (); |
1284 | now_floor = mn_now; |
1364 | now_floor = mn_now; |
1285 | } |
1365 | } |
1286 | |
1366 | |
1287 | # if EV_PERIODIC_ENABLE |
1367 | # if EV_PERIODIC_ENABLE |
1288 | periodics_reschedule (EV_A); |
1368 | periodics_reschedule (EV_A); |
1289 | # endif |
1369 | # endif |
1290 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1370 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1291 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1371 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1292 | } |
|
|
1293 | } |
1372 | } |
1294 | else |
1373 | else |
1295 | #endif |
1374 | #endif |
1296 | { |
1375 | { |
1297 | ev_rt_now = ev_time (); |
1376 | ev_rt_now = ev_time (); |
1298 | |
1377 | |
1299 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1378 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1300 | { |
1379 | { |
1301 | #if EV_PERIODIC_ENABLE |
1380 | #if EV_PERIODIC_ENABLE |
1302 | periodics_reschedule (EV_A); |
1381 | periodics_reschedule (EV_A); |
1303 | #endif |
1382 | #endif |
1304 | |
|
|
1305 | /* adjust timers. this is easy, as the offset is the same for all */ |
1383 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1306 | for (i = 0; i < timercnt; ++i) |
1384 | for (i = 0; i < timercnt; ++i) |
1307 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1385 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1308 | } |
1386 | } |
1309 | |
1387 | |
1310 | mn_now = ev_rt_now; |
1388 | mn_now = ev_rt_now; |
… | |
… | |
1330 | { |
1408 | { |
1331 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1409 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1332 | ? EVUNLOOP_ONE |
1410 | ? EVUNLOOP_ONE |
1333 | : EVUNLOOP_CANCEL; |
1411 | : EVUNLOOP_CANCEL; |
1334 | |
1412 | |
1335 | while (activecnt) |
1413 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1414 | |
|
|
1415 | do |
1336 | { |
1416 | { |
1337 | /* we might have forked, so reify kernel state if necessary */ |
1417 | #ifndef _WIN32 |
|
|
1418 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1419 | if (expect_false (getpid () != curpid)) |
|
|
1420 | { |
|
|
1421 | curpid = getpid (); |
|
|
1422 | postfork = 1; |
|
|
1423 | } |
|
|
1424 | #endif |
|
|
1425 | |
1338 | #if EV_FORK_ENABLE |
1426 | #if EV_FORK_ENABLE |
|
|
1427 | /* we might have forked, so queue fork handlers */ |
1339 | if (expect_false (postfork)) |
1428 | if (expect_false (postfork)) |
1340 | if (forkcnt) |
1429 | if (forkcnt) |
1341 | { |
1430 | { |
1342 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1431 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1343 | call_pending (EV_A); |
1432 | call_pending (EV_A); |
1344 | } |
1433 | } |
1345 | #endif |
1434 | #endif |
1346 | |
1435 | |
1347 | /* queue check watchers (and execute them) */ |
1436 | /* queue prepare watchers (and execute them) */ |
1348 | if (expect_false (preparecnt)) |
1437 | if (expect_false (preparecnt)) |
1349 | { |
1438 | { |
1350 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1439 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1351 | call_pending (EV_A); |
1440 | call_pending (EV_A); |
1352 | } |
1441 | } |
1353 | |
1442 | |
|
|
1443 | if (expect_false (!activecnt)) |
|
|
1444 | break; |
|
|
1445 | |
1354 | /* we might have forked, so reify kernel state if necessary */ |
1446 | /* we might have forked, so reify kernel state if necessary */ |
1355 | if (expect_false (postfork)) |
1447 | if (expect_false (postfork)) |
1356 | loop_fork (EV_A); |
1448 | loop_fork (EV_A); |
1357 | |
1449 | |
1358 | /* update fd-related kernel structures */ |
1450 | /* update fd-related kernel structures */ |
1359 | fd_reify (EV_A); |
1451 | fd_reify (EV_A); |
1360 | |
1452 | |
1361 | /* calculate blocking time */ |
1453 | /* calculate blocking time */ |
1362 | { |
1454 | { |
1363 | double block; |
1455 | ev_tstamp block; |
1364 | |
1456 | |
1365 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1457 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1366 | block = 0.; /* do not block at all */ |
1458 | block = 0.; /* do not block at all */ |
1367 | else |
1459 | else |
1368 | { |
1460 | { |
1369 | /* update time to cancel out callback processing overhead */ |
1461 | /* update time to cancel out callback processing overhead */ |
1370 | #if EV_USE_MONOTONIC |
|
|
1371 | if (expect_true (have_monotonic)) |
|
|
1372 | time_update_monotonic (EV_A); |
1462 | time_update (EV_A_ 1e100); |
1373 | else |
|
|
1374 | #endif |
|
|
1375 | { |
|
|
1376 | ev_rt_now = ev_time (); |
|
|
1377 | mn_now = ev_rt_now; |
|
|
1378 | } |
|
|
1379 | |
1463 | |
1380 | block = MAX_BLOCKTIME; |
1464 | block = MAX_BLOCKTIME; |
1381 | |
1465 | |
1382 | if (timercnt) |
1466 | if (timercnt) |
1383 | { |
1467 | { |
… | |
… | |
1394 | #endif |
1478 | #endif |
1395 | |
1479 | |
1396 | if (expect_false (block < 0.)) block = 0.; |
1480 | if (expect_false (block < 0.)) block = 0.; |
1397 | } |
1481 | } |
1398 | |
1482 | |
|
|
1483 | ++loop_count; |
1399 | backend_poll (EV_A_ block); |
1484 | backend_poll (EV_A_ block); |
|
|
1485 | |
|
|
1486 | /* update ev_rt_now, do magic */ |
|
|
1487 | time_update (EV_A_ block); |
1400 | } |
1488 | } |
1401 | |
|
|
1402 | /* update ev_rt_now, do magic */ |
|
|
1403 | time_update (EV_A); |
|
|
1404 | |
1489 | |
1405 | /* queue pending timers and reschedule them */ |
1490 | /* queue pending timers and reschedule them */ |
1406 | timers_reify (EV_A); /* relative timers called last */ |
1491 | timers_reify (EV_A); /* relative timers called last */ |
1407 | #if EV_PERIODIC_ENABLE |
1492 | #if EV_PERIODIC_ENABLE |
1408 | periodics_reify (EV_A); /* absolute timers called first */ |
1493 | periodics_reify (EV_A); /* absolute timers called first */ |
1409 | #endif |
1494 | #endif |
1410 | |
1495 | |
|
|
1496 | #if EV_IDLE_ENABLE |
1411 | /* queue idle watchers unless other events are pending */ |
1497 | /* queue idle watchers unless other events are pending */ |
1412 | if (idlecnt && !any_pending (EV_A)) |
1498 | idle_reify (EV_A); |
1413 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1499 | #endif |
1414 | |
1500 | |
1415 | /* queue check watchers, to be executed first */ |
1501 | /* queue check watchers, to be executed first */ |
1416 | if (expect_false (checkcnt)) |
1502 | if (expect_false (checkcnt)) |
1417 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1503 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1418 | |
1504 | |
1419 | call_pending (EV_A); |
1505 | call_pending (EV_A); |
1420 | |
1506 | |
1421 | if (expect_false (loop_done)) |
|
|
1422 | break; |
|
|
1423 | } |
1507 | } |
|
|
1508 | while (expect_true (activecnt && !loop_done)); |
1424 | |
1509 | |
1425 | if (loop_done == EVUNLOOP_ONE) |
1510 | if (loop_done == EVUNLOOP_ONE) |
1426 | loop_done = EVUNLOOP_CANCEL; |
1511 | loop_done = EVUNLOOP_CANCEL; |
1427 | } |
1512 | } |
1428 | |
1513 | |
… | |
… | |
1455 | head = &(*head)->next; |
1540 | head = &(*head)->next; |
1456 | } |
1541 | } |
1457 | } |
1542 | } |
1458 | |
1543 | |
1459 | void inline_speed |
1544 | void inline_speed |
1460 | ev_clear_pending (EV_P_ W w) |
1545 | clear_pending (EV_P_ W w) |
1461 | { |
1546 | { |
1462 | if (w->pending) |
1547 | if (w->pending) |
1463 | { |
1548 | { |
1464 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1549 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1465 | w->pending = 0; |
1550 | w->pending = 0; |
1466 | } |
1551 | } |
1467 | } |
1552 | } |
1468 | |
1553 | |
|
|
1554 | int |
|
|
1555 | ev_clear_pending (EV_P_ void *w) |
|
|
1556 | { |
|
|
1557 | W w_ = (W)w; |
|
|
1558 | int pending = w_->pending; |
|
|
1559 | |
|
|
1560 | if (expect_true (pending)) |
|
|
1561 | { |
|
|
1562 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1563 | w_->pending = 0; |
|
|
1564 | p->w = 0; |
|
|
1565 | return p->events; |
|
|
1566 | } |
|
|
1567 | else |
|
|
1568 | return 0; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void inline_size |
|
|
1572 | pri_adjust (EV_P_ W w) |
|
|
1573 | { |
|
|
1574 | int pri = w->priority; |
|
|
1575 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1576 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1577 | w->priority = pri; |
|
|
1578 | } |
|
|
1579 | |
1469 | void inline_speed |
1580 | void inline_speed |
1470 | ev_start (EV_P_ W w, int active) |
1581 | ev_start (EV_P_ W w, int active) |
1471 | { |
1582 | { |
1472 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1583 | pri_adjust (EV_A_ w); |
1473 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1474 | |
|
|
1475 | w->active = active; |
1584 | w->active = active; |
1476 | ev_ref (EV_A); |
1585 | ev_ref (EV_A); |
1477 | } |
1586 | } |
1478 | |
1587 | |
1479 | void inline_size |
1588 | void inline_size |
… | |
… | |
1483 | w->active = 0; |
1592 | w->active = 0; |
1484 | } |
1593 | } |
1485 | |
1594 | |
1486 | /*****************************************************************************/ |
1595 | /*****************************************************************************/ |
1487 | |
1596 | |
1488 | void |
1597 | void noinline |
1489 | ev_io_start (EV_P_ ev_io *w) |
1598 | ev_io_start (EV_P_ ev_io *w) |
1490 | { |
1599 | { |
1491 | int fd = w->fd; |
1600 | int fd = w->fd; |
1492 | |
1601 | |
1493 | if (expect_false (ev_is_active (w))) |
1602 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1495 | |
1604 | |
1496 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1605 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1497 | |
1606 | |
1498 | ev_start (EV_A_ (W)w, 1); |
1607 | ev_start (EV_A_ (W)w, 1); |
1499 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1608 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1500 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1609 | wlist_add (&anfds[fd].head, (WL)w); |
1501 | |
1610 | |
1502 | fd_change (EV_A_ fd); |
1611 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1612 | w->events &= ~EV_IOFDSET; |
1503 | } |
1613 | } |
1504 | |
1614 | |
1505 | void |
1615 | void noinline |
1506 | ev_io_stop (EV_P_ ev_io *w) |
1616 | ev_io_stop (EV_P_ ev_io *w) |
1507 | { |
1617 | { |
1508 | ev_clear_pending (EV_A_ (W)w); |
1618 | clear_pending (EV_A_ (W)w); |
1509 | if (expect_false (!ev_is_active (w))) |
1619 | if (expect_false (!ev_is_active (w))) |
1510 | return; |
1620 | return; |
1511 | |
1621 | |
1512 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1622 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1513 | |
1623 | |
1514 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1624 | wlist_del (&anfds[w->fd].head, (WL)w); |
1515 | ev_stop (EV_A_ (W)w); |
1625 | ev_stop (EV_A_ (W)w); |
1516 | |
1626 | |
1517 | fd_change (EV_A_ w->fd); |
1627 | fd_change (EV_A_ w->fd, 1); |
1518 | } |
1628 | } |
1519 | |
1629 | |
1520 | void |
1630 | void noinline |
1521 | ev_timer_start (EV_P_ ev_timer *w) |
1631 | ev_timer_start (EV_P_ ev_timer *w) |
1522 | { |
1632 | { |
1523 | if (expect_false (ev_is_active (w))) |
1633 | if (expect_false (ev_is_active (w))) |
1524 | return; |
1634 | return; |
1525 | |
1635 | |
1526 | ((WT)w)->at += mn_now; |
1636 | ((WT)w)->at += mn_now; |
1527 | |
1637 | |
1528 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1638 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1529 | |
1639 | |
1530 | ev_start (EV_A_ (W)w, ++timercnt); |
1640 | ev_start (EV_A_ (W)w, ++timercnt); |
1531 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1641 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1532 | timers [timercnt - 1] = w; |
1642 | timers [timercnt - 1] = (WT)w; |
1533 | upheap ((WT *)timers, timercnt - 1); |
1643 | upheap (timers, timercnt - 1); |
1534 | |
1644 | |
1535 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1645 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1536 | } |
1646 | } |
1537 | |
1647 | |
1538 | void |
1648 | void noinline |
1539 | ev_timer_stop (EV_P_ ev_timer *w) |
1649 | ev_timer_stop (EV_P_ ev_timer *w) |
1540 | { |
1650 | { |
1541 | ev_clear_pending (EV_A_ (W)w); |
1651 | clear_pending (EV_A_ (W)w); |
1542 | if (expect_false (!ev_is_active (w))) |
1652 | if (expect_false (!ev_is_active (w))) |
1543 | return; |
1653 | return; |
1544 | |
1654 | |
1545 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1655 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1546 | |
1656 | |
1547 | { |
1657 | { |
1548 | int active = ((W)w)->active; |
1658 | int active = ((W)w)->active; |
1549 | |
1659 | |
1550 | if (expect_true (--active < --timercnt)) |
1660 | if (expect_true (--active < --timercnt)) |
1551 | { |
1661 | { |
1552 | timers [active] = timers [timercnt]; |
1662 | timers [active] = timers [timercnt]; |
1553 | adjustheap ((WT *)timers, timercnt, active); |
1663 | adjustheap (timers, timercnt, active); |
1554 | } |
1664 | } |
1555 | } |
1665 | } |
1556 | |
1666 | |
1557 | ((WT)w)->at -= mn_now; |
1667 | ((WT)w)->at -= mn_now; |
1558 | |
1668 | |
1559 | ev_stop (EV_A_ (W)w); |
1669 | ev_stop (EV_A_ (W)w); |
1560 | } |
1670 | } |
1561 | |
1671 | |
1562 | void |
1672 | void noinline |
1563 | ev_timer_again (EV_P_ ev_timer *w) |
1673 | ev_timer_again (EV_P_ ev_timer *w) |
1564 | { |
1674 | { |
1565 | if (ev_is_active (w)) |
1675 | if (ev_is_active (w)) |
1566 | { |
1676 | { |
1567 | if (w->repeat) |
1677 | if (w->repeat) |
1568 | { |
1678 | { |
1569 | ((WT)w)->at = mn_now + w->repeat; |
1679 | ((WT)w)->at = mn_now + w->repeat; |
1570 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1680 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1571 | } |
1681 | } |
1572 | else |
1682 | else |
1573 | ev_timer_stop (EV_A_ w); |
1683 | ev_timer_stop (EV_A_ w); |
1574 | } |
1684 | } |
1575 | else if (w->repeat) |
1685 | else if (w->repeat) |
… | |
… | |
1578 | ev_timer_start (EV_A_ w); |
1688 | ev_timer_start (EV_A_ w); |
1579 | } |
1689 | } |
1580 | } |
1690 | } |
1581 | |
1691 | |
1582 | #if EV_PERIODIC_ENABLE |
1692 | #if EV_PERIODIC_ENABLE |
1583 | void |
1693 | void noinline |
1584 | ev_periodic_start (EV_P_ ev_periodic *w) |
1694 | ev_periodic_start (EV_P_ ev_periodic *w) |
1585 | { |
1695 | { |
1586 | if (expect_false (ev_is_active (w))) |
1696 | if (expect_false (ev_is_active (w))) |
1587 | return; |
1697 | return; |
1588 | |
1698 | |
… | |
… | |
1590 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1700 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1591 | else if (w->interval) |
1701 | else if (w->interval) |
1592 | { |
1702 | { |
1593 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1703 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1594 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1704 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1595 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1705 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1596 | } |
1706 | } |
|
|
1707 | else |
|
|
1708 | ((WT)w)->at = w->offset; |
1597 | |
1709 | |
1598 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1710 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1599 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1711 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1600 | periodics [periodiccnt - 1] = w; |
1712 | periodics [periodiccnt - 1] = (WT)w; |
1601 | upheap ((WT *)periodics, periodiccnt - 1); |
1713 | upheap (periodics, periodiccnt - 1); |
1602 | |
1714 | |
1603 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1715 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1604 | } |
1716 | } |
1605 | |
1717 | |
1606 | void |
1718 | void noinline |
1607 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1719 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1608 | { |
1720 | { |
1609 | ev_clear_pending (EV_A_ (W)w); |
1721 | clear_pending (EV_A_ (W)w); |
1610 | if (expect_false (!ev_is_active (w))) |
1722 | if (expect_false (!ev_is_active (w))) |
1611 | return; |
1723 | return; |
1612 | |
1724 | |
1613 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1725 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1614 | |
1726 | |
1615 | { |
1727 | { |
1616 | int active = ((W)w)->active; |
1728 | int active = ((W)w)->active; |
1617 | |
1729 | |
1618 | if (expect_true (--active < --periodiccnt)) |
1730 | if (expect_true (--active < --periodiccnt)) |
1619 | { |
1731 | { |
1620 | periodics [active] = periodics [periodiccnt]; |
1732 | periodics [active] = periodics [periodiccnt]; |
1621 | adjustheap ((WT *)periodics, periodiccnt, active); |
1733 | adjustheap (periodics, periodiccnt, active); |
1622 | } |
1734 | } |
1623 | } |
1735 | } |
1624 | |
1736 | |
1625 | ev_stop (EV_A_ (W)w); |
1737 | ev_stop (EV_A_ (W)w); |
1626 | } |
1738 | } |
1627 | |
1739 | |
1628 | void |
1740 | void noinline |
1629 | ev_periodic_again (EV_P_ ev_periodic *w) |
1741 | ev_periodic_again (EV_P_ ev_periodic *w) |
1630 | { |
1742 | { |
1631 | /* TODO: use adjustheap and recalculation */ |
1743 | /* TODO: use adjustheap and recalculation */ |
1632 | ev_periodic_stop (EV_A_ w); |
1744 | ev_periodic_stop (EV_A_ w); |
1633 | ev_periodic_start (EV_A_ w); |
1745 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1636 | |
1748 | |
1637 | #ifndef SA_RESTART |
1749 | #ifndef SA_RESTART |
1638 | # define SA_RESTART 0 |
1750 | # define SA_RESTART 0 |
1639 | #endif |
1751 | #endif |
1640 | |
1752 | |
1641 | void |
1753 | void noinline |
1642 | ev_signal_start (EV_P_ ev_signal *w) |
1754 | ev_signal_start (EV_P_ ev_signal *w) |
1643 | { |
1755 | { |
1644 | #if EV_MULTIPLICITY |
1756 | #if EV_MULTIPLICITY |
1645 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1757 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1646 | #endif |
1758 | #endif |
1647 | if (expect_false (ev_is_active (w))) |
1759 | if (expect_false (ev_is_active (w))) |
1648 | return; |
1760 | return; |
1649 | |
1761 | |
1650 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1762 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1651 | |
1763 | |
|
|
1764 | { |
|
|
1765 | #ifndef _WIN32 |
|
|
1766 | sigset_t full, prev; |
|
|
1767 | sigfillset (&full); |
|
|
1768 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1769 | #endif |
|
|
1770 | |
|
|
1771 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1772 | |
|
|
1773 | #ifndef _WIN32 |
|
|
1774 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1775 | #endif |
|
|
1776 | } |
|
|
1777 | |
1652 | ev_start (EV_A_ (W)w, 1); |
1778 | ev_start (EV_A_ (W)w, 1); |
1653 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1654 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1779 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1655 | |
1780 | |
1656 | if (!((WL)w)->next) |
1781 | if (!((WL)w)->next) |
1657 | { |
1782 | { |
1658 | #if _WIN32 |
1783 | #if _WIN32 |
1659 | signal (w->signum, sighandler); |
1784 | signal (w->signum, sighandler); |
… | |
… | |
1665 | sigaction (w->signum, &sa, 0); |
1790 | sigaction (w->signum, &sa, 0); |
1666 | #endif |
1791 | #endif |
1667 | } |
1792 | } |
1668 | } |
1793 | } |
1669 | |
1794 | |
1670 | void |
1795 | void noinline |
1671 | ev_signal_stop (EV_P_ ev_signal *w) |
1796 | ev_signal_stop (EV_P_ ev_signal *w) |
1672 | { |
1797 | { |
1673 | ev_clear_pending (EV_A_ (W)w); |
1798 | clear_pending (EV_A_ (W)w); |
1674 | if (expect_false (!ev_is_active (w))) |
1799 | if (expect_false (!ev_is_active (w))) |
1675 | return; |
1800 | return; |
1676 | |
1801 | |
1677 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1802 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1678 | ev_stop (EV_A_ (W)w); |
1803 | ev_stop (EV_A_ (W)w); |
1679 | |
1804 | |
1680 | if (!signals [w->signum - 1].head) |
1805 | if (!signals [w->signum - 1].head) |
1681 | signal (w->signum, SIG_DFL); |
1806 | signal (w->signum, SIG_DFL); |
1682 | } |
1807 | } |
… | |
… | |
1689 | #endif |
1814 | #endif |
1690 | if (expect_false (ev_is_active (w))) |
1815 | if (expect_false (ev_is_active (w))) |
1691 | return; |
1816 | return; |
1692 | |
1817 | |
1693 | ev_start (EV_A_ (W)w, 1); |
1818 | ev_start (EV_A_ (W)w, 1); |
1694 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1819 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1695 | } |
1820 | } |
1696 | |
1821 | |
1697 | void |
1822 | void |
1698 | ev_child_stop (EV_P_ ev_child *w) |
1823 | ev_child_stop (EV_P_ ev_child *w) |
1699 | { |
1824 | { |
1700 | ev_clear_pending (EV_A_ (W)w); |
1825 | clear_pending (EV_A_ (W)w); |
1701 | if (expect_false (!ev_is_active (w))) |
1826 | if (expect_false (!ev_is_active (w))) |
1702 | return; |
1827 | return; |
1703 | |
1828 | |
1704 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1829 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1705 | ev_stop (EV_A_ (W)w); |
1830 | ev_stop (EV_A_ (W)w); |
1706 | } |
1831 | } |
1707 | |
1832 | |
1708 | #if EV_STAT_ENABLE |
1833 | #if EV_STAT_ENABLE |
1709 | |
1834 | |
… | |
… | |
1713 | # endif |
1838 | # endif |
1714 | |
1839 | |
1715 | #define DEF_STAT_INTERVAL 5.0074891 |
1840 | #define DEF_STAT_INTERVAL 5.0074891 |
1716 | #define MIN_STAT_INTERVAL 0.1074891 |
1841 | #define MIN_STAT_INTERVAL 0.1074891 |
1717 | |
1842 | |
1718 | void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1843 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1719 | |
1844 | |
1720 | #if EV_USE_INOTIFY |
1845 | #if EV_USE_INOTIFY |
1721 | # define EV_INOTIFY_BUFSIZE ((PATH_MAX + sizeof (struct inotify_event)) + 2048) |
1846 | # define EV_INOTIFY_BUFSIZE 8192 |
1722 | |
1847 | |
1723 | static void noinline |
1848 | static void noinline |
1724 | infy_add (EV_P_ ev_stat *w) |
1849 | infy_add (EV_P_ ev_stat *w) |
1725 | { |
1850 | { |
1726 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
1851 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
… | |
… | |
1728 | if (w->wd < 0) |
1853 | if (w->wd < 0) |
1729 | { |
1854 | { |
1730 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1855 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1731 | |
1856 | |
1732 | /* monitor some parent directory for speedup hints */ |
1857 | /* monitor some parent directory for speedup hints */ |
1733 | if (errno == ENOENT || errno == EACCES) |
1858 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1734 | { |
1859 | { |
1735 | char path [PATH_MAX]; |
1860 | char path [4096]; |
1736 | strcpy (path, w->path); |
1861 | strcpy (path, w->path); |
1737 | |
1862 | |
1738 | do |
1863 | do |
1739 | { |
1864 | { |
1740 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
1865 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
… | |
… | |
1744 | |
1869 | |
1745 | if (!pend) |
1870 | if (!pend) |
1746 | break; /* whoops, no '/', complain to your admin */ |
1871 | break; /* whoops, no '/', complain to your admin */ |
1747 | |
1872 | |
1748 | *pend = 0; |
1873 | *pend = 0; |
1749 | w->wd = inotify_add_watch (fs_fd, path, IN_DELETE_SELF | IN_CREATE | IN_MOVED_TO | IN_MASK_ADD); |
1874 | w->wd = inotify_add_watch (fs_fd, path, mask); |
1750 | } |
1875 | } |
1751 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1876 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1752 | } |
1877 | } |
1753 | } |
1878 | } |
1754 | else |
1879 | else |
… | |
… | |
1759 | } |
1884 | } |
1760 | |
1885 | |
1761 | static void noinline |
1886 | static void noinline |
1762 | infy_del (EV_P_ ev_stat *w) |
1887 | infy_del (EV_P_ ev_stat *w) |
1763 | { |
1888 | { |
1764 | WL w_; |
|
|
1765 | int slot; |
1889 | int slot; |
1766 | int wd = w->wd; |
1890 | int wd = w->wd; |
1767 | |
1891 | |
1768 | if (wd < 0) |
1892 | if (wd < 0) |
1769 | return; |
1893 | return; |
… | |
… | |
1798 | { |
1922 | { |
1799 | w->wd = -1; |
1923 | w->wd = -1; |
1800 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1924 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1801 | } |
1925 | } |
1802 | |
1926 | |
1803 | stat_timer_cb (EV_P_ &w->timer, 0); |
1927 | stat_timer_cb (EV_A_ &w->timer, 0); |
1804 | } |
1928 | } |
1805 | } |
1929 | } |
1806 | } |
1930 | } |
1807 | } |
1931 | } |
1808 | |
1932 | |
… | |
… | |
1832 | ev_set_priority (&fs_w, EV_MAXPRI); |
1956 | ev_set_priority (&fs_w, EV_MAXPRI); |
1833 | ev_io_start (EV_A_ &fs_w); |
1957 | ev_io_start (EV_A_ &fs_w); |
1834 | } |
1958 | } |
1835 | } |
1959 | } |
1836 | |
1960 | |
|
|
1961 | void inline_size |
|
|
1962 | infy_fork (EV_P) |
|
|
1963 | { |
|
|
1964 | int slot; |
|
|
1965 | |
|
|
1966 | if (fs_fd < 0) |
|
|
1967 | return; |
|
|
1968 | |
|
|
1969 | close (fs_fd); |
|
|
1970 | fs_fd = inotify_init (); |
|
|
1971 | |
|
|
1972 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1973 | { |
|
|
1974 | WL w_ = fs_hash [slot].head; |
|
|
1975 | fs_hash [slot].head = 0; |
|
|
1976 | |
|
|
1977 | while (w_) |
|
|
1978 | { |
|
|
1979 | ev_stat *w = (ev_stat *)w_; |
|
|
1980 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1981 | |
|
|
1982 | w->wd = -1; |
|
|
1983 | |
|
|
1984 | if (fs_fd >= 0) |
|
|
1985 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1986 | else |
|
|
1987 | ev_timer_start (EV_A_ &w->timer); |
|
|
1988 | } |
|
|
1989 | |
|
|
1990 | } |
|
|
1991 | } |
|
|
1992 | |
1837 | #endif |
1993 | #endif |
1838 | |
1994 | |
1839 | void |
1995 | void |
1840 | ev_stat_stat (EV_P_ ev_stat *w) |
1996 | ev_stat_stat (EV_P_ ev_stat *w) |
1841 | { |
1997 | { |
… | |
… | |
1843 | w->attr.st_nlink = 0; |
1999 | w->attr.st_nlink = 0; |
1844 | else if (!w->attr.st_nlink) |
2000 | else if (!w->attr.st_nlink) |
1845 | w->attr.st_nlink = 1; |
2001 | w->attr.st_nlink = 1; |
1846 | } |
2002 | } |
1847 | |
2003 | |
1848 | void noinline |
2004 | static void noinline |
1849 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2005 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1850 | { |
2006 | { |
1851 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2007 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1852 | |
2008 | |
1853 | /* we copy this here each the time so that */ |
2009 | /* we copy this here each the time so that */ |
1854 | /* prev has the old value when the callback gets invoked */ |
2010 | /* prev has the old value when the callback gets invoked */ |
1855 | w->prev = w->attr; |
2011 | w->prev = w->attr; |
1856 | ev_stat_stat (EV_A_ w); |
2012 | ev_stat_stat (EV_A_ w); |
1857 | |
2013 | |
1858 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
2014 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2015 | if ( |
|
|
2016 | w->prev.st_dev != w->attr.st_dev |
|
|
2017 | || w->prev.st_ino != w->attr.st_ino |
|
|
2018 | || w->prev.st_mode != w->attr.st_mode |
|
|
2019 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2020 | || w->prev.st_uid != w->attr.st_uid |
|
|
2021 | || w->prev.st_gid != w->attr.st_gid |
|
|
2022 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2023 | || w->prev.st_size != w->attr.st_size |
|
|
2024 | || w->prev.st_atime != w->attr.st_atime |
|
|
2025 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2026 | || w->prev.st_ctime != w->attr.st_ctime |
1859 | { |
2027 | ) { |
1860 | #if EV_USE_INOTIFY |
2028 | #if EV_USE_INOTIFY |
1861 | infy_del (EV_A_ w); |
2029 | infy_del (EV_A_ w); |
1862 | infy_add (EV_A_ w); |
2030 | infy_add (EV_A_ w); |
1863 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2031 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
1864 | #endif |
2032 | #endif |
… | |
… | |
1898 | } |
2066 | } |
1899 | |
2067 | |
1900 | void |
2068 | void |
1901 | ev_stat_stop (EV_P_ ev_stat *w) |
2069 | ev_stat_stop (EV_P_ ev_stat *w) |
1902 | { |
2070 | { |
1903 | ev_clear_pending (EV_A_ (W)w); |
2071 | clear_pending (EV_A_ (W)w); |
1904 | if (expect_false (!ev_is_active (w))) |
2072 | if (expect_false (!ev_is_active (w))) |
1905 | return; |
2073 | return; |
1906 | |
2074 | |
1907 | #if EV_USE_INOTIFY |
2075 | #if EV_USE_INOTIFY |
1908 | infy_del (EV_A_ w); |
2076 | infy_del (EV_A_ w); |
… | |
… | |
1911 | |
2079 | |
1912 | ev_stop (EV_A_ (W)w); |
2080 | ev_stop (EV_A_ (W)w); |
1913 | } |
2081 | } |
1914 | #endif |
2082 | #endif |
1915 | |
2083 | |
|
|
2084 | #if EV_IDLE_ENABLE |
1916 | void |
2085 | void |
1917 | ev_idle_start (EV_P_ ev_idle *w) |
2086 | ev_idle_start (EV_P_ ev_idle *w) |
1918 | { |
2087 | { |
1919 | if (expect_false (ev_is_active (w))) |
2088 | if (expect_false (ev_is_active (w))) |
1920 | return; |
2089 | return; |
1921 | |
2090 | |
|
|
2091 | pri_adjust (EV_A_ (W)w); |
|
|
2092 | |
|
|
2093 | { |
|
|
2094 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2095 | |
|
|
2096 | ++idleall; |
1922 | ev_start (EV_A_ (W)w, ++idlecnt); |
2097 | ev_start (EV_A_ (W)w, active); |
|
|
2098 | |
1923 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2099 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1924 | idles [idlecnt - 1] = w; |
2100 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2101 | } |
1925 | } |
2102 | } |
1926 | |
2103 | |
1927 | void |
2104 | void |
1928 | ev_idle_stop (EV_P_ ev_idle *w) |
2105 | ev_idle_stop (EV_P_ ev_idle *w) |
1929 | { |
2106 | { |
1930 | ev_clear_pending (EV_A_ (W)w); |
2107 | clear_pending (EV_A_ (W)w); |
1931 | if (expect_false (!ev_is_active (w))) |
2108 | if (expect_false (!ev_is_active (w))) |
1932 | return; |
2109 | return; |
1933 | |
2110 | |
1934 | { |
2111 | { |
1935 | int active = ((W)w)->active; |
2112 | int active = ((W)w)->active; |
1936 | idles [active - 1] = idles [--idlecnt]; |
2113 | |
|
|
2114 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
1937 | ((W)idles [active - 1])->active = active; |
2115 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2116 | |
|
|
2117 | ev_stop (EV_A_ (W)w); |
|
|
2118 | --idleall; |
1938 | } |
2119 | } |
1939 | |
|
|
1940 | ev_stop (EV_A_ (W)w); |
|
|
1941 | } |
2120 | } |
|
|
2121 | #endif |
1942 | |
2122 | |
1943 | void |
2123 | void |
1944 | ev_prepare_start (EV_P_ ev_prepare *w) |
2124 | ev_prepare_start (EV_P_ ev_prepare *w) |
1945 | { |
2125 | { |
1946 | if (expect_false (ev_is_active (w))) |
2126 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1952 | } |
2132 | } |
1953 | |
2133 | |
1954 | void |
2134 | void |
1955 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2135 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1956 | { |
2136 | { |
1957 | ev_clear_pending (EV_A_ (W)w); |
2137 | clear_pending (EV_A_ (W)w); |
1958 | if (expect_false (!ev_is_active (w))) |
2138 | if (expect_false (!ev_is_active (w))) |
1959 | return; |
2139 | return; |
1960 | |
2140 | |
1961 | { |
2141 | { |
1962 | int active = ((W)w)->active; |
2142 | int active = ((W)w)->active; |
… | |
… | |
1979 | } |
2159 | } |
1980 | |
2160 | |
1981 | void |
2161 | void |
1982 | ev_check_stop (EV_P_ ev_check *w) |
2162 | ev_check_stop (EV_P_ ev_check *w) |
1983 | { |
2163 | { |
1984 | ev_clear_pending (EV_A_ (W)w); |
2164 | clear_pending (EV_A_ (W)w); |
1985 | if (expect_false (!ev_is_active (w))) |
2165 | if (expect_false (!ev_is_active (w))) |
1986 | return; |
2166 | return; |
1987 | |
2167 | |
1988 | { |
2168 | { |
1989 | int active = ((W)w)->active; |
2169 | int active = ((W)w)->active; |
… | |
… | |
2031 | } |
2211 | } |
2032 | |
2212 | |
2033 | void |
2213 | void |
2034 | ev_embed_stop (EV_P_ ev_embed *w) |
2214 | ev_embed_stop (EV_P_ ev_embed *w) |
2035 | { |
2215 | { |
2036 | ev_clear_pending (EV_A_ (W)w); |
2216 | clear_pending (EV_A_ (W)w); |
2037 | if (expect_false (!ev_is_active (w))) |
2217 | if (expect_false (!ev_is_active (w))) |
2038 | return; |
2218 | return; |
2039 | |
2219 | |
2040 | ev_io_stop (EV_A_ &w->io); |
2220 | ev_io_stop (EV_A_ &w->io); |
2041 | |
2221 | |
… | |
… | |
2056 | } |
2236 | } |
2057 | |
2237 | |
2058 | void |
2238 | void |
2059 | ev_fork_stop (EV_P_ ev_fork *w) |
2239 | ev_fork_stop (EV_P_ ev_fork *w) |
2060 | { |
2240 | { |
2061 | ev_clear_pending (EV_A_ (W)w); |
2241 | clear_pending (EV_A_ (W)w); |
2062 | if (expect_false (!ev_is_active (w))) |
2242 | if (expect_false (!ev_is_active (w))) |
2063 | return; |
2243 | return; |
2064 | |
2244 | |
2065 | { |
2245 | { |
2066 | int active = ((W)w)->active; |
2246 | int active = ((W)w)->active; |