1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
47 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
48 | # else |
48 | # else |
49 | # include "config.h" |
49 | # include "config.h" |
50 | # endif |
50 | # endif |
51 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
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|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
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|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
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|
55 | # ifndef EV_USE_REALTIME |
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|
56 | # define EV_USE_REALTIME 0 |
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|
57 | # endif |
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|
58 | # ifndef EV_USE_MONOTONIC |
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|
59 | # define EV_USE_MONOTONIC 1 |
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60 | # endif |
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|
61 | # endif |
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|
62 | # endif |
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|
63 | |
52 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
67 | # endif |
56 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
58 | # endif |
70 | # endif |
59 | # else |
71 | # else |
60 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
74 | # endif |
… | |
… | |
126 | # define EV_USE_EVENTFD 1 |
138 | # define EV_USE_EVENTFD 1 |
127 | # else |
139 | # else |
128 | # define EV_USE_EVENTFD 0 |
140 | # define EV_USE_EVENTFD 0 |
129 | # endif |
141 | # endif |
130 | # endif |
142 | # endif |
131 | |
143 | |
132 | #endif |
144 | #endif |
133 | |
145 | |
134 | #include <math.h> |
146 | #include <math.h> |
135 | #include <stdlib.h> |
147 | #include <stdlib.h> |
136 | #include <fcntl.h> |
148 | #include <fcntl.h> |
… | |
… | |
154 | #ifndef _WIN32 |
166 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
167 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
168 | # include <sys/wait.h> |
157 | # include <unistd.h> |
169 | # include <unistd.h> |
158 | #else |
170 | #else |
|
|
171 | # include <io.h> |
159 | # define WIN32_LEAN_AND_MEAN |
172 | # define WIN32_LEAN_AND_MEAN |
160 | # include <windows.h> |
173 | # include <windows.h> |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # endif |
176 | # endif |
164 | #endif |
177 | #endif |
165 | |
178 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
180 | |
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181 | #ifndef EV_USE_CLOCK_SYSCALL |
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|
182 | # if __linux && __GLIBC__ >= 2 |
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183 | # define EV_USE_CLOCK_SYSCALL 1 |
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184 | # else |
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185 | # define EV_USE_CLOCK_SYSCALL 0 |
|
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186 | # endif |
|
|
187 | #endif |
|
|
188 | |
168 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
|
|
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
191 | # define EV_USE_MONOTONIC 1 |
|
|
192 | # else |
169 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
|
|
194 | # endif |
170 | #endif |
195 | #endif |
171 | |
196 | |
172 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
174 | #endif |
199 | #endif |
175 | |
200 | |
176 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
|
|
202 | # if _POSIX_C_SOURCE >= 199309L |
|
|
203 | # define EV_USE_NANOSLEEP 1 |
|
|
204 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
205 | # define EV_USE_NANOSLEEP 0 |
|
|
206 | # endif |
178 | #endif |
207 | #endif |
179 | |
208 | |
180 | #ifndef EV_USE_SELECT |
209 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
210 | # define EV_USE_SELECT 1 |
182 | #endif |
211 | #endif |
… | |
… | |
235 | # else |
264 | # else |
236 | # define EV_USE_EVENTFD 0 |
265 | # define EV_USE_EVENTFD 0 |
237 | # endif |
266 | # endif |
238 | #endif |
267 | #endif |
239 | |
268 | |
|
|
269 | #if 0 /* debugging */ |
|
|
270 | # define EV_VERIFY 3 |
|
|
271 | # define EV_USE_4HEAP 1 |
|
|
272 | # define EV_HEAP_CACHE_AT 1 |
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273 | #endif |
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274 | |
|
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275 | #ifndef EV_VERIFY |
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|
276 | # define EV_VERIFY !EV_MINIMAL |
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277 | #endif |
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278 | |
|
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279 | #ifndef EV_USE_4HEAP |
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280 | # define EV_USE_4HEAP !EV_MINIMAL |
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281 | #endif |
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282 | |
|
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283 | #ifndef EV_HEAP_CACHE_AT |
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284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
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285 | #endif |
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286 | |
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
241 | |
288 | |
242 | #ifndef CLOCK_MONOTONIC |
289 | #ifndef CLOCK_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
244 | # define EV_USE_MONOTONIC 0 |
291 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
259 | # include <sys/select.h> |
306 | # include <sys/select.h> |
260 | # endif |
307 | # endif |
261 | #endif |
308 | #endif |
262 | |
309 | |
263 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
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|
311 | # include <sys/utsname.h> |
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312 | # include <sys/statfs.h> |
264 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
|
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314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
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315 | # ifndef IN_DONT_FOLLOW |
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316 | # undef EV_USE_INOTIFY |
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317 | # define EV_USE_INOTIFY 0 |
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|
318 | # endif |
265 | #endif |
319 | #endif |
266 | |
320 | |
267 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
268 | # include <winsock.h> |
322 | # include <winsock.h> |
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|
323 | #endif |
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324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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|
326 | /* which makes programs even slower. might work on other unices, too. */ |
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327 | #if EV_USE_CLOCK_SYSCALL |
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328 | # include <syscall.h> |
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329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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330 | # undef EV_USE_MONOTONIC |
|
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331 | # define EV_USE_MONOTONIC 1 |
269 | #endif |
332 | #endif |
270 | |
333 | |
271 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
272 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
273 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
279 | } |
342 | } |
280 | # endif |
343 | # endif |
281 | #endif |
344 | #endif |
282 | |
345 | |
283 | /**/ |
346 | /**/ |
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347 | |
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348 | #if EV_VERIFY >= 3 |
|
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349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
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350 | #else |
|
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351 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
352 | #endif |
284 | |
353 | |
285 | /* |
354 | /* |
286 | * This is used to avoid floating point rounding problems. |
355 | * This is used to avoid floating point rounding problems. |
287 | * It is added to ev_rt_now when scheduling periodics |
356 | * It is added to ev_rt_now when scheduling periodics |
288 | * to ensure progress, time-wise, even when rounding |
357 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
328 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
329 | |
398 | |
330 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
331 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
332 | |
401 | |
333 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
334 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
335 | /* giving it a reasonably high chance of working on typical architetcures */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
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|
406 | #endif |
|
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407 | |
|
|
408 | #if EV_USE_MONOTONIC |
336 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
337 | #endif |
410 | #endif |
338 | |
411 | |
339 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
340 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
349 | { |
422 | { |
350 | syserr_cb = cb; |
423 | syserr_cb = cb; |
351 | } |
424 | } |
352 | |
425 | |
353 | static void noinline |
426 | static void noinline |
354 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
355 | { |
428 | { |
356 | if (!msg) |
429 | if (!msg) |
357 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
358 | |
431 | |
359 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
405 | #define ev_malloc(size) ev_realloc (0, (size)) |
478 | #define ev_malloc(size) ev_realloc (0, (size)) |
406 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
479 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
407 | |
480 | |
408 | /*****************************************************************************/ |
481 | /*****************************************************************************/ |
409 | |
482 | |
|
|
483 | /* file descriptor info structure */ |
410 | typedef struct |
484 | typedef struct |
411 | { |
485 | { |
412 | WL head; |
486 | WL head; |
413 | unsigned char events; |
487 | unsigned char events; /* the events watched for */ |
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|
488 | unsigned char reify; /* flag set when this ANFD needs reification */ |
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489 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
414 | unsigned char reify; |
490 | unsigned char unused; |
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491 | #if EV_USE_EPOLL |
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|
492 | unsigned int egen; /* generation counter to counter epoll bugs */ |
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493 | #endif |
415 | #if EV_SELECT_IS_WINSOCKET |
494 | #if EV_SELECT_IS_WINSOCKET |
416 | SOCKET handle; |
495 | SOCKET handle; |
417 | #endif |
496 | #endif |
418 | } ANFD; |
497 | } ANFD; |
419 | |
498 | |
|
|
499 | /* stores the pending event set for a given watcher */ |
420 | typedef struct |
500 | typedef struct |
421 | { |
501 | { |
422 | W w; |
502 | W w; |
423 | int events; |
503 | int events; /* the pending event set for the given watcher */ |
424 | } ANPENDING; |
504 | } ANPENDING; |
425 | |
505 | |
426 | #if EV_USE_INOTIFY |
506 | #if EV_USE_INOTIFY |
427 | /* hash table entry per inotify-id */ |
507 | /* hash table entry per inotify-id */ |
428 | typedef struct |
508 | typedef struct |
… | |
… | |
431 | } ANFS; |
511 | } ANFS; |
432 | #endif |
512 | #endif |
433 | |
513 | |
434 | /* Heap Entry */ |
514 | /* Heap Entry */ |
435 | #if EV_HEAP_CACHE_AT |
515 | #if EV_HEAP_CACHE_AT |
|
|
516 | /* a heap element */ |
436 | typedef struct { |
517 | typedef struct { |
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|
518 | ev_tstamp at; |
437 | WT w; |
519 | WT w; |
438 | ev_tstamp at; |
|
|
439 | } ANHE; |
520 | } ANHE; |
440 | |
521 | |
441 | #define ANHE_w(he) (he) /* access watcher, read-write */ |
522 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
442 | #define ANHE_at(he) (he)->at /* acces cahced at, read-only */ |
523 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
443 | #define ANHE_at_set(he) (he)->at = (he)->w->at /* update at from watcher */ |
524 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
444 | #else |
525 | #else |
|
|
526 | /* a heap element */ |
445 | typedef WT ANHE; |
527 | typedef WT ANHE; |
446 | |
528 | |
447 | #define ANHE_w(he) (he) |
529 | #define ANHE_w(he) (he) |
448 | #define ANHE_at(he) (he)->at |
530 | #define ANHE_at(he) (he)->at |
449 | #define ANHE_at_set(he) |
531 | #define ANHE_at_cache(he) |
450 | #endif |
532 | #endif |
451 | |
533 | |
452 | #if EV_MULTIPLICITY |
534 | #if EV_MULTIPLICITY |
453 | |
535 | |
454 | struct ev_loop |
536 | struct ev_loop |
… | |
… | |
479 | |
561 | |
480 | ev_tstamp |
562 | ev_tstamp |
481 | ev_time (void) |
563 | ev_time (void) |
482 | { |
564 | { |
483 | #if EV_USE_REALTIME |
565 | #if EV_USE_REALTIME |
|
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566 | if (expect_true (have_realtime)) |
|
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567 | { |
484 | struct timespec ts; |
568 | struct timespec ts; |
485 | clock_gettime (CLOCK_REALTIME, &ts); |
569 | clock_gettime (CLOCK_REALTIME, &ts); |
486 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
570 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
487 | #else |
571 | } |
|
|
572 | #endif |
|
|
573 | |
488 | struct timeval tv; |
574 | struct timeval tv; |
489 | gettimeofday (&tv, 0); |
575 | gettimeofday (&tv, 0); |
490 | return tv.tv_sec + tv.tv_usec * 1e-6; |
576 | return tv.tv_sec + tv.tv_usec * 1e-6; |
491 | #endif |
|
|
492 | } |
577 | } |
493 | |
578 | |
494 | ev_tstamp inline_size |
579 | inline_size ev_tstamp |
495 | get_clock (void) |
580 | get_clock (void) |
496 | { |
581 | { |
497 | #if EV_USE_MONOTONIC |
582 | #if EV_USE_MONOTONIC |
498 | if (expect_true (have_monotonic)) |
583 | if (expect_true (have_monotonic)) |
499 | { |
584 | { |
… | |
… | |
532 | struct timeval tv; |
617 | struct timeval tv; |
533 | |
618 | |
534 | tv.tv_sec = (time_t)delay; |
619 | tv.tv_sec = (time_t)delay; |
535 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
620 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
536 | |
621 | |
|
|
622 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
623 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
624 | /* by older ones */ |
537 | select (0, 0, 0, 0, &tv); |
625 | select (0, 0, 0, 0, &tv); |
538 | #endif |
626 | #endif |
539 | } |
627 | } |
540 | } |
628 | } |
541 | |
629 | |
542 | /*****************************************************************************/ |
630 | /*****************************************************************************/ |
543 | |
631 | |
544 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
632 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
545 | |
633 | |
546 | int inline_size |
634 | /* find a suitable new size for the given array, */ |
|
|
635 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
636 | inline_size int |
547 | array_nextsize (int elem, int cur, int cnt) |
637 | array_nextsize (int elem, int cur, int cnt) |
548 | { |
638 | { |
549 | int ncur = cur + 1; |
639 | int ncur = cur + 1; |
550 | |
640 | |
551 | do |
641 | do |
… | |
… | |
568 | array_realloc (int elem, void *base, int *cur, int cnt) |
658 | array_realloc (int elem, void *base, int *cur, int cnt) |
569 | { |
659 | { |
570 | *cur = array_nextsize (elem, *cur, cnt); |
660 | *cur = array_nextsize (elem, *cur, cnt); |
571 | return ev_realloc (base, elem * *cur); |
661 | return ev_realloc (base, elem * *cur); |
572 | } |
662 | } |
|
|
663 | |
|
|
664 | #define array_init_zero(base,count) \ |
|
|
665 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
573 | |
666 | |
574 | #define array_needsize(type,base,cur,cnt,init) \ |
667 | #define array_needsize(type,base,cur,cnt,init) \ |
575 | if (expect_false ((cnt) > (cur))) \ |
668 | if (expect_false ((cnt) > (cur))) \ |
576 | { \ |
669 | { \ |
577 | int ocur_ = (cur); \ |
670 | int ocur_ = (cur); \ |
… | |
… | |
589 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
682 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
590 | } |
683 | } |
591 | #endif |
684 | #endif |
592 | |
685 | |
593 | #define array_free(stem, idx) \ |
686 | #define array_free(stem, idx) \ |
594 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
687 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
595 | |
688 | |
596 | /*****************************************************************************/ |
689 | /*****************************************************************************/ |
|
|
690 | |
|
|
691 | /* dummy callback for pending events */ |
|
|
692 | static void noinline |
|
|
693 | pendingcb (EV_P_ ev_prepare *w, int revents) |
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|
694 | { |
|
|
695 | } |
597 | |
696 | |
598 | void noinline |
697 | void noinline |
599 | ev_feed_event (EV_P_ void *w, int revents) |
698 | ev_feed_event (EV_P_ void *w, int revents) |
600 | { |
699 | { |
601 | W w_ = (W)w; |
700 | W w_ = (W)w; |
… | |
… | |
610 | pendings [pri][w_->pending - 1].w = w_; |
709 | pendings [pri][w_->pending - 1].w = w_; |
611 | pendings [pri][w_->pending - 1].events = revents; |
710 | pendings [pri][w_->pending - 1].events = revents; |
612 | } |
711 | } |
613 | } |
712 | } |
614 | |
713 | |
615 | void inline_speed |
714 | inline_speed void |
|
|
715 | feed_reverse (EV_P_ W w) |
|
|
716 | { |
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717 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
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718 | rfeeds [rfeedcnt++] = w; |
|
|
719 | } |
|
|
720 | |
|
|
721 | inline_size void |
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|
722 | feed_reverse_done (EV_P_ int revents) |
|
|
723 | { |
|
|
724 | do |
|
|
725 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
726 | while (rfeedcnt); |
|
|
727 | } |
|
|
728 | |
|
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729 | inline_speed void |
616 | queue_events (EV_P_ W *events, int eventcnt, int type) |
730 | queue_events (EV_P_ W *events, int eventcnt, int type) |
617 | { |
731 | { |
618 | int i; |
732 | int i; |
619 | |
733 | |
620 | for (i = 0; i < eventcnt; ++i) |
734 | for (i = 0; i < eventcnt; ++i) |
621 | ev_feed_event (EV_A_ events [i], type); |
735 | ev_feed_event (EV_A_ events [i], type); |
622 | } |
736 | } |
623 | |
737 | |
624 | /*****************************************************************************/ |
738 | /*****************************************************************************/ |
625 | |
739 | |
626 | void inline_size |
740 | inline_speed void |
627 | anfds_init (ANFD *base, int count) |
|
|
628 | { |
|
|
629 | while (count--) |
|
|
630 | { |
|
|
631 | base->head = 0; |
|
|
632 | base->events = EV_NONE; |
|
|
633 | base->reify = 0; |
|
|
634 | |
|
|
635 | ++base; |
|
|
636 | } |
|
|
637 | } |
|
|
638 | |
|
|
639 | void inline_speed |
|
|
640 | fd_event (EV_P_ int fd, int revents) |
741 | fd_event (EV_P_ int fd, int revents) |
641 | { |
742 | { |
642 | ANFD *anfd = anfds + fd; |
743 | ANFD *anfd = anfds + fd; |
643 | ev_io *w; |
744 | ev_io *w; |
644 | |
745 | |
… | |
… | |
656 | { |
757 | { |
657 | if (fd >= 0 && fd < anfdmax) |
758 | if (fd >= 0 && fd < anfdmax) |
658 | fd_event (EV_A_ fd, revents); |
759 | fd_event (EV_A_ fd, revents); |
659 | } |
760 | } |
660 | |
761 | |
661 | void inline_size |
762 | /* make sure the external fd watch events are in-sync */ |
|
|
763 | /* with the kernel/libev internal state */ |
|
|
764 | inline_size void |
662 | fd_reify (EV_P) |
765 | fd_reify (EV_P) |
663 | { |
766 | { |
664 | int i; |
767 | int i; |
665 | |
768 | |
666 | for (i = 0; i < fdchangecnt; ++i) |
769 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
675 | events |= (unsigned char)w->events; |
778 | events |= (unsigned char)w->events; |
676 | |
779 | |
677 | #if EV_SELECT_IS_WINSOCKET |
780 | #if EV_SELECT_IS_WINSOCKET |
678 | if (events) |
781 | if (events) |
679 | { |
782 | { |
680 | unsigned long argp; |
783 | unsigned long arg; |
681 | #ifdef EV_FD_TO_WIN32_HANDLE |
784 | #ifdef EV_FD_TO_WIN32_HANDLE |
682 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
785 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
683 | #else |
786 | #else |
684 | anfd->handle = _get_osfhandle (fd); |
787 | anfd->handle = _get_osfhandle (fd); |
685 | #endif |
788 | #endif |
686 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
789 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
687 | } |
790 | } |
688 | #endif |
791 | #endif |
689 | |
792 | |
690 | { |
793 | { |
691 | unsigned char o_events = anfd->events; |
794 | unsigned char o_events = anfd->events; |
692 | unsigned char o_reify = anfd->reify; |
795 | unsigned char o_reify = anfd->reify; |
693 | |
796 | |
694 | anfd->reify = 0; |
797 | anfd->reify = 0; |
695 | anfd->events = events; |
798 | anfd->events = events; |
696 | |
799 | |
697 | if (o_events != events || o_reify & EV_IOFDSET) |
800 | if (o_events != events || o_reify & EV__IOFDSET) |
698 | backend_modify (EV_A_ fd, o_events, events); |
801 | backend_modify (EV_A_ fd, o_events, events); |
699 | } |
802 | } |
700 | } |
803 | } |
701 | |
804 | |
702 | fdchangecnt = 0; |
805 | fdchangecnt = 0; |
703 | } |
806 | } |
704 | |
807 | |
705 | void inline_size |
808 | /* something about the given fd changed */ |
|
|
809 | inline_size void |
706 | fd_change (EV_P_ int fd, int flags) |
810 | fd_change (EV_P_ int fd, int flags) |
707 | { |
811 | { |
708 | unsigned char reify = anfds [fd].reify; |
812 | unsigned char reify = anfds [fd].reify; |
709 | anfds [fd].reify |= flags; |
813 | anfds [fd].reify |= flags; |
710 | |
814 | |
… | |
… | |
714 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
818 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
715 | fdchanges [fdchangecnt - 1] = fd; |
819 | fdchanges [fdchangecnt - 1] = fd; |
716 | } |
820 | } |
717 | } |
821 | } |
718 | |
822 | |
719 | void inline_speed |
823 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
824 | inline_speed void |
720 | fd_kill (EV_P_ int fd) |
825 | fd_kill (EV_P_ int fd) |
721 | { |
826 | { |
722 | ev_io *w; |
827 | ev_io *w; |
723 | |
828 | |
724 | while ((w = (ev_io *)anfds [fd].head)) |
829 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
726 | ev_io_stop (EV_A_ w); |
831 | ev_io_stop (EV_A_ w); |
727 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
832 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
728 | } |
833 | } |
729 | } |
834 | } |
730 | |
835 | |
731 | int inline_size |
836 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
837 | inline_size int |
732 | fd_valid (int fd) |
838 | fd_valid (int fd) |
733 | { |
839 | { |
734 | #ifdef _WIN32 |
840 | #ifdef _WIN32 |
735 | return _get_osfhandle (fd) != -1; |
841 | return _get_osfhandle (fd) != -1; |
736 | #else |
842 | #else |
… | |
… | |
744 | { |
850 | { |
745 | int fd; |
851 | int fd; |
746 | |
852 | |
747 | for (fd = 0; fd < anfdmax; ++fd) |
853 | for (fd = 0; fd < anfdmax; ++fd) |
748 | if (anfds [fd].events) |
854 | if (anfds [fd].events) |
749 | if (!fd_valid (fd) == -1 && errno == EBADF) |
855 | if (!fd_valid (fd) && errno == EBADF) |
750 | fd_kill (EV_A_ fd); |
856 | fd_kill (EV_A_ fd); |
751 | } |
857 | } |
752 | |
858 | |
753 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
859 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
754 | static void noinline |
860 | static void noinline |
… | |
… | |
772 | |
878 | |
773 | for (fd = 0; fd < anfdmax; ++fd) |
879 | for (fd = 0; fd < anfdmax; ++fd) |
774 | if (anfds [fd].events) |
880 | if (anfds [fd].events) |
775 | { |
881 | { |
776 | anfds [fd].events = 0; |
882 | anfds [fd].events = 0; |
|
|
883 | anfds [fd].emask = 0; |
777 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
884 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
778 | } |
885 | } |
779 | } |
886 | } |
780 | |
887 | |
781 | /*****************************************************************************/ |
888 | /*****************************************************************************/ |
782 | |
889 | |
… | |
… | |
790 | * at the moment we allow libev the luxury of two heaps, |
897 | * at the moment we allow libev the luxury of two heaps, |
791 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
898 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
792 | * which is more cache-efficient. |
899 | * which is more cache-efficient. |
793 | * the difference is about 5% with 50000+ watchers. |
900 | * the difference is about 5% with 50000+ watchers. |
794 | */ |
901 | */ |
795 | #define EV_USE_4HEAP !EV_MINIMAL |
|
|
796 | #if EV_USE_4HEAP |
902 | #if EV_USE_4HEAP |
797 | |
903 | |
798 | #define DHEAP 4 |
904 | #define DHEAP 4 |
799 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
905 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
800 | |
906 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
801 | /* towards the root */ |
907 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
802 | void inline_speed |
|
|
803 | upheap (ANHE *heap, int k) |
|
|
804 | { |
|
|
805 | ANHE he = heap [k]; |
|
|
806 | |
|
|
807 | for (;;) |
|
|
808 | { |
|
|
809 | int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0; |
|
|
810 | |
|
|
811 | if (p == k || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
812 | break; |
|
|
813 | |
|
|
814 | heap [k] = heap [p]; |
|
|
815 | ev_active (ANHE_w (heap [k])) = k; |
|
|
816 | k = p; |
|
|
817 | } |
|
|
818 | |
|
|
819 | ev_active (ANHE_w (he)) = k; |
|
|
820 | heap [k] = he; |
|
|
821 | } |
|
|
822 | |
908 | |
823 | /* away from the root */ |
909 | /* away from the root */ |
824 | void inline_speed |
910 | inline_speed void |
825 | downheap (ANHE *heap, int N, int k) |
911 | downheap (ANHE *heap, int N, int k) |
826 | { |
912 | { |
827 | ANHE he = heap [k]; |
913 | ANHE he = heap [k]; |
828 | ANHE *E = heap + N + HEAP0; |
914 | ANHE *E = heap + N + HEAP0; |
829 | |
915 | |
830 | for (;;) |
916 | for (;;) |
831 | { |
917 | { |
832 | ev_tstamp minat; |
918 | ev_tstamp minat; |
833 | ANHE *minpos; |
919 | ANHE *minpos; |
834 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0; |
920 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
835 | |
921 | |
836 | // find minimum child |
922 | /* find minimum child */ |
837 | if (expect_true (pos + DHEAP - 1 < E)) |
923 | if (expect_true (pos + DHEAP - 1 < E)) |
838 | { |
924 | { |
839 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
925 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
840 | if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
926 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
841 | if (ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
927 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
842 | if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
928 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
843 | } |
929 | } |
844 | else if (pos < E) |
930 | else if (pos < E) |
845 | { |
931 | { |
846 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
932 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
847 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
933 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
… | |
… | |
852 | break; |
938 | break; |
853 | |
939 | |
854 | if (ANHE_at (he) <= minat) |
940 | if (ANHE_at (he) <= minat) |
855 | break; |
941 | break; |
856 | |
942 | |
|
|
943 | heap [k] = *minpos; |
857 | ev_active (ANHE_w (*minpos)) = k; |
944 | ev_active (ANHE_w (*minpos)) = k; |
858 | heap [k] = *minpos; |
|
|
859 | |
945 | |
860 | k = minpos - heap; |
946 | k = minpos - heap; |
861 | } |
947 | } |
862 | |
948 | |
|
|
949 | heap [k] = he; |
863 | ev_active (ANHE_w (he)) = k; |
950 | ev_active (ANHE_w (he)) = k; |
864 | heap [k] = he; |
|
|
865 | } |
951 | } |
866 | |
952 | |
867 | #else // 4HEAP |
953 | #else /* 4HEAP */ |
868 | |
954 | |
869 | #define HEAP0 1 |
955 | #define HEAP0 1 |
|
|
956 | #define HPARENT(k) ((k) >> 1) |
|
|
957 | #define UPHEAP_DONE(p,k) (!(p)) |
870 | |
958 | |
871 | /* towards the root */ |
959 | /* away from the root */ |
872 | void inline_speed |
960 | inline_speed void |
873 | upheap (ANHE *heap, int k) |
961 | downheap (ANHE *heap, int N, int k) |
874 | { |
962 | { |
875 | ANHE he = heap [k]; |
963 | ANHE he = heap [k]; |
876 | |
964 | |
877 | for (;;) |
965 | for (;;) |
878 | { |
966 | { |
879 | int p = k >> 1; |
967 | int c = k << 1; |
880 | |
968 | |
881 | /* maybe we could use a dummy element at heap [0]? */ |
969 | if (c > N + HEAP0 - 1) |
882 | if (!p || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
883 | break; |
970 | break; |
884 | |
971 | |
885 | heap [k] = heap [p]; |
|
|
886 | ev_active (ANHE_w (heap [k])) = k; |
|
|
887 | k = p; |
|
|
888 | } |
|
|
889 | |
|
|
890 | heap [k] = w; |
|
|
891 | ev_active (ANHE_w (heap [k])) = k; |
|
|
892 | } |
|
|
893 | |
|
|
894 | /* away from the root */ |
|
|
895 | void inline_speed |
|
|
896 | downheap (ANHE *heap, int N, int k) |
|
|
897 | { |
|
|
898 | ANHE he = heap [k]; |
|
|
899 | |
|
|
900 | for (;;) |
|
|
901 | { |
|
|
902 | int c = k << 1; |
|
|
903 | |
|
|
904 | if (c > N) |
|
|
905 | break; |
|
|
906 | |
|
|
907 | c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
972 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
908 | ? 1 : 0; |
973 | ? 1 : 0; |
909 | |
974 | |
910 | if (w->at <= ANHE_at (heap [c])) |
975 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
911 | break; |
976 | break; |
912 | |
977 | |
913 | heap [k] = heap [c]; |
978 | heap [k] = heap [c]; |
914 | ev_active (ANHE_w (heap [k])) = k; |
979 | ev_active (ANHE_w (heap [k])) = k; |
915 | |
980 | |
… | |
… | |
919 | heap [k] = he; |
984 | heap [k] = he; |
920 | ev_active (ANHE_w (he)) = k; |
985 | ev_active (ANHE_w (he)) = k; |
921 | } |
986 | } |
922 | #endif |
987 | #endif |
923 | |
988 | |
924 | void inline_size |
989 | /* towards the root */ |
|
|
990 | inline_speed void |
|
|
991 | upheap (ANHE *heap, int k) |
|
|
992 | { |
|
|
993 | ANHE he = heap [k]; |
|
|
994 | |
|
|
995 | for (;;) |
|
|
996 | { |
|
|
997 | int p = HPARENT (k); |
|
|
998 | |
|
|
999 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1000 | break; |
|
|
1001 | |
|
|
1002 | heap [k] = heap [p]; |
|
|
1003 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1004 | k = p; |
|
|
1005 | } |
|
|
1006 | |
|
|
1007 | heap [k] = he; |
|
|
1008 | ev_active (ANHE_w (he)) = k; |
|
|
1009 | } |
|
|
1010 | |
|
|
1011 | /* move an element suitably so it is in a correct place */ |
|
|
1012 | inline_size void |
925 | adjustheap (ANHE *heap, int N, int k) |
1013 | adjustheap (ANHE *heap, int N, int k) |
926 | { |
1014 | { |
|
|
1015 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
927 | upheap (heap, k); |
1016 | upheap (heap, k); |
|
|
1017 | else |
928 | downheap (heap, N, k); |
1018 | downheap (heap, N, k); |
|
|
1019 | } |
|
|
1020 | |
|
|
1021 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1022 | inline_size void |
|
|
1023 | reheap (ANHE *heap, int N) |
|
|
1024 | { |
|
|
1025 | int i; |
|
|
1026 | |
|
|
1027 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1028 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1029 | for (i = 0; i < N; ++i) |
|
|
1030 | upheap (heap, i + HEAP0); |
929 | } |
1031 | } |
930 | |
1032 | |
931 | /*****************************************************************************/ |
1033 | /*****************************************************************************/ |
932 | |
1034 | |
|
|
1035 | /* associate signal watchers to a signal signal */ |
933 | typedef struct |
1036 | typedef struct |
934 | { |
1037 | { |
935 | WL head; |
1038 | WL head; |
936 | EV_ATOMIC_T gotsig; |
1039 | EV_ATOMIC_T gotsig; |
937 | } ANSIG; |
1040 | } ANSIG; |
… | |
… | |
939 | static ANSIG *signals; |
1042 | static ANSIG *signals; |
940 | static int signalmax; |
1043 | static int signalmax; |
941 | |
1044 | |
942 | static EV_ATOMIC_T gotsig; |
1045 | static EV_ATOMIC_T gotsig; |
943 | |
1046 | |
944 | void inline_size |
|
|
945 | signals_init (ANSIG *base, int count) |
|
|
946 | { |
|
|
947 | while (count--) |
|
|
948 | { |
|
|
949 | base->head = 0; |
|
|
950 | base->gotsig = 0; |
|
|
951 | |
|
|
952 | ++base; |
|
|
953 | } |
|
|
954 | } |
|
|
955 | |
|
|
956 | /*****************************************************************************/ |
1047 | /*****************************************************************************/ |
957 | |
1048 | |
958 | void inline_speed |
1049 | /* used to prepare libev internal fd's */ |
|
|
1050 | /* this is not fork-safe */ |
|
|
1051 | inline_speed void |
959 | fd_intern (int fd) |
1052 | fd_intern (int fd) |
960 | { |
1053 | { |
961 | #ifdef _WIN32 |
1054 | #ifdef _WIN32 |
962 | int arg = 1; |
1055 | unsigned long arg = 1; |
963 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1056 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
964 | #else |
1057 | #else |
965 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1058 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
966 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1059 | fcntl (fd, F_SETFL, O_NONBLOCK); |
967 | #endif |
1060 | #endif |
968 | } |
1061 | } |
969 | |
1062 | |
970 | static void noinline |
1063 | static void noinline |
971 | evpipe_init (EV_P) |
1064 | evpipe_init (EV_P) |
972 | { |
1065 | { |
973 | if (!ev_is_active (&pipeev)) |
1066 | if (!ev_is_active (&pipe_w)) |
974 | { |
1067 | { |
975 | #if EV_USE_EVENTFD |
1068 | #if EV_USE_EVENTFD |
976 | if ((evfd = eventfd (0, 0)) >= 0) |
1069 | if ((evfd = eventfd (0, 0)) >= 0) |
977 | { |
1070 | { |
978 | evpipe [0] = -1; |
1071 | evpipe [0] = -1; |
979 | fd_intern (evfd); |
1072 | fd_intern (evfd); |
980 | ev_io_set (&pipeev, evfd, EV_READ); |
1073 | ev_io_set (&pipe_w, evfd, EV_READ); |
981 | } |
1074 | } |
982 | else |
1075 | else |
983 | #endif |
1076 | #endif |
984 | { |
1077 | { |
985 | while (pipe (evpipe)) |
1078 | while (pipe (evpipe)) |
986 | syserr ("(libev) error creating signal/async pipe"); |
1079 | ev_syserr ("(libev) error creating signal/async pipe"); |
987 | |
1080 | |
988 | fd_intern (evpipe [0]); |
1081 | fd_intern (evpipe [0]); |
989 | fd_intern (evpipe [1]); |
1082 | fd_intern (evpipe [1]); |
990 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1083 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
991 | } |
1084 | } |
992 | |
1085 | |
993 | ev_io_start (EV_A_ &pipeev); |
1086 | ev_io_start (EV_A_ &pipe_w); |
994 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1087 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
995 | } |
1088 | } |
996 | } |
1089 | } |
997 | |
1090 | |
998 | void inline_size |
1091 | inline_size void |
999 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1092 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1000 | { |
1093 | { |
1001 | if (!*flag) |
1094 | if (!*flag) |
1002 | { |
1095 | { |
1003 | int old_errno = errno; /* save errno because write might clobber it */ |
1096 | int old_errno = errno; /* save errno because write might clobber it */ |
… | |
… | |
1016 | |
1109 | |
1017 | errno = old_errno; |
1110 | errno = old_errno; |
1018 | } |
1111 | } |
1019 | } |
1112 | } |
1020 | |
1113 | |
|
|
1114 | /* called whenever the libev signal pipe */ |
|
|
1115 | /* got some events (signal, async) */ |
1021 | static void |
1116 | static void |
1022 | pipecb (EV_P_ ev_io *iow, int revents) |
1117 | pipecb (EV_P_ ev_io *iow, int revents) |
1023 | { |
1118 | { |
1024 | #if EV_USE_EVENTFD |
1119 | #if EV_USE_EVENTFD |
1025 | if (evfd >= 0) |
1120 | if (evfd >= 0) |
… | |
… | |
1081 | ev_feed_signal_event (EV_P_ int signum) |
1176 | ev_feed_signal_event (EV_P_ int signum) |
1082 | { |
1177 | { |
1083 | WL w; |
1178 | WL w; |
1084 | |
1179 | |
1085 | #if EV_MULTIPLICITY |
1180 | #if EV_MULTIPLICITY |
1086 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1181 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1087 | #endif |
1182 | #endif |
1088 | |
1183 | |
1089 | --signum; |
1184 | --signum; |
1090 | |
1185 | |
1091 | if (signum < 0 || signum >= signalmax) |
1186 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1107 | |
1202 | |
1108 | #ifndef WIFCONTINUED |
1203 | #ifndef WIFCONTINUED |
1109 | # define WIFCONTINUED(status) 0 |
1204 | # define WIFCONTINUED(status) 0 |
1110 | #endif |
1205 | #endif |
1111 | |
1206 | |
1112 | void inline_speed |
1207 | /* handle a single child status event */ |
|
|
1208 | inline_speed void |
1113 | child_reap (EV_P_ int chain, int pid, int status) |
1209 | child_reap (EV_P_ int chain, int pid, int status) |
1114 | { |
1210 | { |
1115 | ev_child *w; |
1211 | ev_child *w; |
1116 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1212 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1117 | |
1213 | |
… | |
… | |
1130 | |
1226 | |
1131 | #ifndef WCONTINUED |
1227 | #ifndef WCONTINUED |
1132 | # define WCONTINUED 0 |
1228 | # define WCONTINUED 0 |
1133 | #endif |
1229 | #endif |
1134 | |
1230 | |
|
|
1231 | /* called on sigchld etc., calls waitpid */ |
1135 | static void |
1232 | static void |
1136 | childcb (EV_P_ ev_signal *sw, int revents) |
1233 | childcb (EV_P_ ev_signal *sw, int revents) |
1137 | { |
1234 | { |
1138 | int pid, status; |
1235 | int pid, status; |
1139 | |
1236 | |
… | |
… | |
1220 | /* kqueue is borked on everything but netbsd apparently */ |
1317 | /* kqueue is borked on everything but netbsd apparently */ |
1221 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1318 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1222 | flags &= ~EVBACKEND_KQUEUE; |
1319 | flags &= ~EVBACKEND_KQUEUE; |
1223 | #endif |
1320 | #endif |
1224 | #ifdef __APPLE__ |
1321 | #ifdef __APPLE__ |
1225 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1322 | /* only select works correctly on that "unix-certified" platform */ |
1226 | flags &= ~EVBACKEND_POLL; |
1323 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1324 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1227 | #endif |
1325 | #endif |
1228 | |
1326 | |
1229 | return flags; |
1327 | return flags; |
1230 | } |
1328 | } |
1231 | |
1329 | |
… | |
… | |
1263 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1361 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1264 | { |
1362 | { |
1265 | timeout_blocktime = interval; |
1363 | timeout_blocktime = interval; |
1266 | } |
1364 | } |
1267 | |
1365 | |
|
|
1366 | /* initialise a loop structure, must be zero-initialised */ |
1268 | static void noinline |
1367 | static void noinline |
1269 | loop_init (EV_P_ unsigned int flags) |
1368 | loop_init (EV_P_ unsigned int flags) |
1270 | { |
1369 | { |
1271 | if (!backend) |
1370 | if (!backend) |
1272 | { |
1371 | { |
|
|
1372 | #if EV_USE_REALTIME |
|
|
1373 | if (!have_realtime) |
|
|
1374 | { |
|
|
1375 | struct timespec ts; |
|
|
1376 | |
|
|
1377 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1378 | have_realtime = 1; |
|
|
1379 | } |
|
|
1380 | #endif |
|
|
1381 | |
1273 | #if EV_USE_MONOTONIC |
1382 | #if EV_USE_MONOTONIC |
|
|
1383 | if (!have_monotonic) |
1274 | { |
1384 | { |
1275 | struct timespec ts; |
1385 | struct timespec ts; |
|
|
1386 | |
1276 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1387 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1277 | have_monotonic = 1; |
1388 | have_monotonic = 1; |
1278 | } |
1389 | } |
1279 | #endif |
1390 | #endif |
1280 | |
1391 | |
1281 | ev_rt_now = ev_time (); |
1392 | ev_rt_now = ev_time (); |
1282 | mn_now = get_clock (); |
1393 | mn_now = get_clock (); |
1283 | now_floor = mn_now; |
1394 | now_floor = mn_now; |
… | |
… | |
1320 | #endif |
1431 | #endif |
1321 | #if EV_USE_SELECT |
1432 | #if EV_USE_SELECT |
1322 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1433 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1323 | #endif |
1434 | #endif |
1324 | |
1435 | |
|
|
1436 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1437 | |
1325 | ev_init (&pipeev, pipecb); |
1438 | ev_init (&pipe_w, pipecb); |
1326 | ev_set_priority (&pipeev, EV_MAXPRI); |
1439 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1327 | } |
1440 | } |
1328 | } |
1441 | } |
1329 | |
1442 | |
|
|
1443 | /* free up a loop structure */ |
1330 | static void noinline |
1444 | static void noinline |
1331 | loop_destroy (EV_P) |
1445 | loop_destroy (EV_P) |
1332 | { |
1446 | { |
1333 | int i; |
1447 | int i; |
1334 | |
1448 | |
1335 | if (ev_is_active (&pipeev)) |
1449 | if (ev_is_active (&pipe_w)) |
1336 | { |
1450 | { |
1337 | ev_ref (EV_A); /* signal watcher */ |
1451 | ev_ref (EV_A); /* signal watcher */ |
1338 | ev_io_stop (EV_A_ &pipeev); |
1452 | ev_io_stop (EV_A_ &pipe_w); |
1339 | |
1453 | |
1340 | #if EV_USE_EVENTFD |
1454 | #if EV_USE_EVENTFD |
1341 | if (evfd >= 0) |
1455 | if (evfd >= 0) |
1342 | close (evfd); |
1456 | close (evfd); |
1343 | #endif |
1457 | #endif |
… | |
… | |
1382 | } |
1496 | } |
1383 | |
1497 | |
1384 | ev_free (anfds); anfdmax = 0; |
1498 | ev_free (anfds); anfdmax = 0; |
1385 | |
1499 | |
1386 | /* have to use the microsoft-never-gets-it-right macro */ |
1500 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1501 | array_free (rfeed, EMPTY); |
1387 | array_free (fdchange, EMPTY); |
1502 | array_free (fdchange, EMPTY); |
1388 | array_free (timer, EMPTY); |
1503 | array_free (timer, EMPTY); |
1389 | #if EV_PERIODIC_ENABLE |
1504 | #if EV_PERIODIC_ENABLE |
1390 | array_free (periodic, EMPTY); |
1505 | array_free (periodic, EMPTY); |
1391 | #endif |
1506 | #endif |
… | |
… | |
1400 | |
1515 | |
1401 | backend = 0; |
1516 | backend = 0; |
1402 | } |
1517 | } |
1403 | |
1518 | |
1404 | #if EV_USE_INOTIFY |
1519 | #if EV_USE_INOTIFY |
1405 | void inline_size infy_fork (EV_P); |
1520 | inline_size void infy_fork (EV_P); |
1406 | #endif |
1521 | #endif |
1407 | |
1522 | |
1408 | void inline_size |
1523 | inline_size void |
1409 | loop_fork (EV_P) |
1524 | loop_fork (EV_P) |
1410 | { |
1525 | { |
1411 | #if EV_USE_PORT |
1526 | #if EV_USE_PORT |
1412 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1527 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1413 | #endif |
1528 | #endif |
… | |
… | |
1419 | #endif |
1534 | #endif |
1420 | #if EV_USE_INOTIFY |
1535 | #if EV_USE_INOTIFY |
1421 | infy_fork (EV_A); |
1536 | infy_fork (EV_A); |
1422 | #endif |
1537 | #endif |
1423 | |
1538 | |
1424 | if (ev_is_active (&pipeev)) |
1539 | if (ev_is_active (&pipe_w)) |
1425 | { |
1540 | { |
1426 | /* this "locks" the handlers against writing to the pipe */ |
1541 | /* this "locks" the handlers against writing to the pipe */ |
1427 | /* while we modify the fd vars */ |
1542 | /* while we modify the fd vars */ |
1428 | gotsig = 1; |
1543 | gotsig = 1; |
1429 | #if EV_ASYNC_ENABLE |
1544 | #if EV_ASYNC_ENABLE |
1430 | gotasync = 1; |
1545 | gotasync = 1; |
1431 | #endif |
1546 | #endif |
1432 | |
1547 | |
1433 | ev_ref (EV_A); |
1548 | ev_ref (EV_A); |
1434 | ev_io_stop (EV_A_ &pipeev); |
1549 | ev_io_stop (EV_A_ &pipe_w); |
1435 | |
1550 | |
1436 | #if EV_USE_EVENTFD |
1551 | #if EV_USE_EVENTFD |
1437 | if (evfd >= 0) |
1552 | if (evfd >= 0) |
1438 | close (evfd); |
1553 | close (evfd); |
1439 | #endif |
1554 | #endif |
… | |
… | |
1444 | close (evpipe [1]); |
1559 | close (evpipe [1]); |
1445 | } |
1560 | } |
1446 | |
1561 | |
1447 | evpipe_init (EV_A); |
1562 | evpipe_init (EV_A); |
1448 | /* now iterate over everything, in case we missed something */ |
1563 | /* now iterate over everything, in case we missed something */ |
1449 | pipecb (EV_A_ &pipeev, EV_READ); |
1564 | pipecb (EV_A_ &pipe_w, EV_READ); |
1450 | } |
1565 | } |
1451 | |
1566 | |
1452 | postfork = 0; |
1567 | postfork = 0; |
1453 | } |
1568 | } |
1454 | |
1569 | |
1455 | #if EV_MULTIPLICITY |
1570 | #if EV_MULTIPLICITY |
|
|
1571 | |
1456 | struct ev_loop * |
1572 | struct ev_loop * |
1457 | ev_loop_new (unsigned int flags) |
1573 | ev_loop_new (unsigned int flags) |
1458 | { |
1574 | { |
1459 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1575 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1460 | |
1576 | |
… | |
… | |
1478 | void |
1594 | void |
1479 | ev_loop_fork (EV_P) |
1595 | ev_loop_fork (EV_P) |
1480 | { |
1596 | { |
1481 | postfork = 1; /* must be in line with ev_default_fork */ |
1597 | postfork = 1; /* must be in line with ev_default_fork */ |
1482 | } |
1598 | } |
|
|
1599 | |
|
|
1600 | #if EV_VERIFY |
|
|
1601 | static void noinline |
|
|
1602 | verify_watcher (EV_P_ W w) |
|
|
1603 | { |
|
|
1604 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1605 | |
|
|
1606 | if (w->pending) |
|
|
1607 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1608 | } |
|
|
1609 | |
|
|
1610 | static void noinline |
|
|
1611 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1612 | { |
|
|
1613 | int i; |
|
|
1614 | |
|
|
1615 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1616 | { |
|
|
1617 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1618 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1619 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1620 | |
|
|
1621 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1622 | } |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | static void noinline |
|
|
1626 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1627 | { |
|
|
1628 | while (cnt--) |
|
|
1629 | { |
|
|
1630 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1631 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1632 | } |
|
|
1633 | } |
|
|
1634 | #endif |
|
|
1635 | |
|
|
1636 | void |
|
|
1637 | ev_loop_verify (EV_P) |
|
|
1638 | { |
|
|
1639 | #if EV_VERIFY |
|
|
1640 | int i; |
|
|
1641 | WL w; |
|
|
1642 | |
|
|
1643 | assert (activecnt >= -1); |
|
|
1644 | |
|
|
1645 | assert (fdchangemax >= fdchangecnt); |
|
|
1646 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1647 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1648 | |
|
|
1649 | assert (anfdmax >= 0); |
|
|
1650 | for (i = 0; i < anfdmax; ++i) |
|
|
1651 | for (w = anfds [i].head; w; w = w->next) |
|
|
1652 | { |
|
|
1653 | verify_watcher (EV_A_ (W)w); |
|
|
1654 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1655 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1656 | } |
|
|
1657 | |
|
|
1658 | assert (timermax >= timercnt); |
|
|
1659 | verify_heap (EV_A_ timers, timercnt); |
|
|
1660 | |
|
|
1661 | #if EV_PERIODIC_ENABLE |
|
|
1662 | assert (periodicmax >= periodiccnt); |
|
|
1663 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1664 | #endif |
|
|
1665 | |
|
|
1666 | for (i = NUMPRI; i--; ) |
|
|
1667 | { |
|
|
1668 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1669 | #if EV_IDLE_ENABLE |
|
|
1670 | assert (idleall >= 0); |
|
|
1671 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1672 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1673 | #endif |
|
|
1674 | } |
|
|
1675 | |
|
|
1676 | #if EV_FORK_ENABLE |
|
|
1677 | assert (forkmax >= forkcnt); |
|
|
1678 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1679 | #endif |
|
|
1680 | |
|
|
1681 | #if EV_ASYNC_ENABLE |
|
|
1682 | assert (asyncmax >= asynccnt); |
|
|
1683 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1684 | #endif |
|
|
1685 | |
|
|
1686 | assert (preparemax >= preparecnt); |
|
|
1687 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1688 | |
|
|
1689 | assert (checkmax >= checkcnt); |
|
|
1690 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1691 | |
|
|
1692 | # if 0 |
|
|
1693 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1694 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1483 | #endif |
1695 | # endif |
|
|
1696 | #endif |
|
|
1697 | } |
|
|
1698 | |
|
|
1699 | #endif /* multiplicity */ |
1484 | |
1700 | |
1485 | #if EV_MULTIPLICITY |
1701 | #if EV_MULTIPLICITY |
1486 | struct ev_loop * |
1702 | struct ev_loop * |
1487 | ev_default_loop_init (unsigned int flags) |
1703 | ev_default_loop_init (unsigned int flags) |
1488 | #else |
1704 | #else |
… | |
… | |
1521 | { |
1737 | { |
1522 | #if EV_MULTIPLICITY |
1738 | #if EV_MULTIPLICITY |
1523 | struct ev_loop *loop = ev_default_loop_ptr; |
1739 | struct ev_loop *loop = ev_default_loop_ptr; |
1524 | #endif |
1740 | #endif |
1525 | |
1741 | |
|
|
1742 | ev_default_loop_ptr = 0; |
|
|
1743 | |
1526 | #ifndef _WIN32 |
1744 | #ifndef _WIN32 |
1527 | ev_ref (EV_A); /* child watcher */ |
1745 | ev_ref (EV_A); /* child watcher */ |
1528 | ev_signal_stop (EV_A_ &childev); |
1746 | ev_signal_stop (EV_A_ &childev); |
1529 | #endif |
1747 | #endif |
1530 | |
1748 | |
… | |
… | |
1536 | { |
1754 | { |
1537 | #if EV_MULTIPLICITY |
1755 | #if EV_MULTIPLICITY |
1538 | struct ev_loop *loop = ev_default_loop_ptr; |
1756 | struct ev_loop *loop = ev_default_loop_ptr; |
1539 | #endif |
1757 | #endif |
1540 | |
1758 | |
1541 | if (backend) |
|
|
1542 | postfork = 1; /* must be in line with ev_loop_fork */ |
1759 | postfork = 1; /* must be in line with ev_loop_fork */ |
1543 | } |
1760 | } |
1544 | |
1761 | |
1545 | /*****************************************************************************/ |
1762 | /*****************************************************************************/ |
1546 | |
1763 | |
1547 | void |
1764 | void |
1548 | ev_invoke (EV_P_ void *w, int revents) |
1765 | ev_invoke (EV_P_ void *w, int revents) |
1549 | { |
1766 | { |
1550 | EV_CB_INVOKE ((W)w, revents); |
1767 | EV_CB_INVOKE ((W)w, revents); |
1551 | } |
1768 | } |
1552 | |
1769 | |
1553 | void inline_speed |
1770 | inline_speed void |
1554 | call_pending (EV_P) |
1771 | call_pending (EV_P) |
1555 | { |
1772 | { |
1556 | int pri; |
1773 | int pri; |
1557 | |
1774 | |
1558 | for (pri = NUMPRI; pri--; ) |
1775 | for (pri = NUMPRI; pri--; ) |
1559 | while (pendingcnt [pri]) |
1776 | while (pendingcnt [pri]) |
1560 | { |
1777 | { |
1561 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1778 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1562 | |
1779 | |
1563 | if (expect_true (p->w)) |
|
|
1564 | { |
|
|
1565 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1780 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1781 | /* ^ this is no longer true, as pending_w could be here */ |
1566 | |
1782 | |
1567 | p->w->pending = 0; |
1783 | p->w->pending = 0; |
1568 | EV_CB_INVOKE (p->w, p->events); |
1784 | EV_CB_INVOKE (p->w, p->events); |
1569 | } |
1785 | EV_FREQUENT_CHECK; |
1570 | } |
1786 | } |
1571 | } |
1787 | } |
1572 | |
1788 | |
1573 | #if EV_IDLE_ENABLE |
1789 | #if EV_IDLE_ENABLE |
1574 | void inline_size |
1790 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1791 | /* only when higher priorities are idle" logic */ |
|
|
1792 | inline_size void |
1575 | idle_reify (EV_P) |
1793 | idle_reify (EV_P) |
1576 | { |
1794 | { |
1577 | if (expect_false (idleall)) |
1795 | if (expect_false (idleall)) |
1578 | { |
1796 | { |
1579 | int pri; |
1797 | int pri; |
… | |
… | |
1591 | } |
1809 | } |
1592 | } |
1810 | } |
1593 | } |
1811 | } |
1594 | #endif |
1812 | #endif |
1595 | |
1813 | |
1596 | void inline_size |
1814 | /* make timers pending */ |
|
|
1815 | inline_size void |
1597 | timers_reify (EV_P) |
1816 | timers_reify (EV_P) |
1598 | { |
1817 | { |
|
|
1818 | EV_FREQUENT_CHECK; |
|
|
1819 | |
1599 | while (timercnt && ANHE_at (timers [HEAP0]) <= mn_now) |
1820 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1600 | { |
1821 | { |
1601 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1822 | do |
1602 | |
|
|
1603 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1604 | |
|
|
1605 | /* first reschedule or stop timer */ |
|
|
1606 | if (w->repeat) |
|
|
1607 | { |
1823 | { |
|
|
1824 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1825 | |
|
|
1826 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1827 | |
|
|
1828 | /* first reschedule or stop timer */ |
|
|
1829 | if (w->repeat) |
|
|
1830 | { |
|
|
1831 | ev_at (w) += w->repeat; |
|
|
1832 | if (ev_at (w) < mn_now) |
|
|
1833 | ev_at (w) = mn_now; |
|
|
1834 | |
1608 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1835 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1609 | |
1836 | |
1610 | ev_at (w) += w->repeat; |
1837 | ANHE_at_cache (timers [HEAP0]); |
1611 | if (ev_at (w) < mn_now) |
|
|
1612 | ev_at (w) = mn_now; |
|
|
1613 | |
|
|
1614 | downheap (timers, timercnt, HEAP0); |
1838 | downheap (timers, timercnt, HEAP0); |
|
|
1839 | } |
|
|
1840 | else |
|
|
1841 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1842 | |
|
|
1843 | EV_FREQUENT_CHECK; |
|
|
1844 | feed_reverse (EV_A_ (W)w); |
1615 | } |
1845 | } |
1616 | else |
1846 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1617 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1618 | |
1847 | |
1619 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1848 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1620 | } |
1849 | } |
1621 | } |
1850 | } |
1622 | |
1851 | |
1623 | #if EV_PERIODIC_ENABLE |
1852 | #if EV_PERIODIC_ENABLE |
1624 | void inline_size |
1853 | /* make periodics pending */ |
|
|
1854 | inline_size void |
1625 | periodics_reify (EV_P) |
1855 | periodics_reify (EV_P) |
1626 | { |
1856 | { |
|
|
1857 | EV_FREQUENT_CHECK; |
|
|
1858 | |
1627 | while (periodiccnt && ANHE_at (periodics [HEAP0]) <= ev_rt_now) |
1859 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1628 | { |
1860 | { |
1629 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1861 | int feed_count = 0; |
1630 | |
1862 | |
1631 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1863 | do |
1632 | |
|
|
1633 | /* first reschedule or stop timer */ |
|
|
1634 | if (w->reschedule_cb) |
|
|
1635 | { |
1864 | { |
|
|
1865 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1866 | |
|
|
1867 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1868 | |
|
|
1869 | /* first reschedule or stop timer */ |
|
|
1870 | if (w->reschedule_cb) |
|
|
1871 | { |
1636 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1872 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1873 | |
1637 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
1874 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1875 | |
|
|
1876 | ANHE_at_cache (periodics [HEAP0]); |
1638 | downheap (periodics, periodiccnt, 1); |
1877 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1878 | } |
|
|
1879 | else if (w->interval) |
|
|
1880 | { |
|
|
1881 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1882 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1883 | /* this might happen because of floating point inexactness */ |
|
|
1884 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1885 | { |
|
|
1886 | ev_at (w) += w->interval; |
|
|
1887 | |
|
|
1888 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1889 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1890 | /* has effectively asked to get triggered more often than possible */ |
|
|
1891 | if (ev_at (w) < ev_rt_now) |
|
|
1892 | ev_at (w) = ev_rt_now; |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1896 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1897 | } |
|
|
1898 | else |
|
|
1899 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1900 | |
|
|
1901 | EV_FREQUENT_CHECK; |
|
|
1902 | feed_reverse (EV_A_ (W)w); |
1639 | } |
1903 | } |
1640 | else if (w->interval) |
1904 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1641 | { |
|
|
1642 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1643 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
|
|
1644 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
|
|
1645 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1646 | } |
|
|
1647 | else |
|
|
1648 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1649 | |
1905 | |
1650 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1906 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1651 | } |
1907 | } |
1652 | } |
1908 | } |
1653 | |
1909 | |
|
|
1910 | /* simply recalculate all periodics */ |
|
|
1911 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
1654 | static void noinline |
1912 | static void noinline |
1655 | periodics_reschedule (EV_P) |
1913 | periodics_reschedule (EV_P) |
1656 | { |
1914 | { |
1657 | int i; |
1915 | int i; |
1658 | |
1916 | |
… | |
… | |
1663 | |
1921 | |
1664 | if (w->reschedule_cb) |
1922 | if (w->reschedule_cb) |
1665 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1923 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1666 | else if (w->interval) |
1924 | else if (w->interval) |
1667 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1925 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1926 | |
|
|
1927 | ANHE_at_cache (periodics [i]); |
|
|
1928 | } |
|
|
1929 | |
|
|
1930 | reheap (periodics, periodiccnt); |
|
|
1931 | } |
|
|
1932 | #endif |
|
|
1933 | |
|
|
1934 | /* adjust all timers by a given offset */ |
|
|
1935 | static void noinline |
|
|
1936 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1937 | { |
|
|
1938 | int i; |
|
|
1939 | |
|
|
1940 | for (i = 0; i < timercnt; ++i) |
1668 | } |
1941 | { |
1669 | |
1942 | ANHE *he = timers + i + HEAP0; |
1670 | /* now rebuild the heap, this for the 2-heap, inefficient for the 4-heap, but correct */ |
1943 | ANHE_w (*he)->at += adjust; |
1671 | for (i = periodiccnt >> 1; --i; ) |
1944 | ANHE_at_cache (*he); |
1672 | downheap (periodics, periodiccnt, i + HEAP0); |
1945 | } |
1673 | } |
1946 | } |
1674 | #endif |
|
|
1675 | |
1947 | |
1676 | void inline_speed |
1948 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
1949 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
1950 | inline_speed void |
1677 | time_update (EV_P_ ev_tstamp max_block) |
1951 | time_update (EV_P_ ev_tstamp max_block) |
1678 | { |
1952 | { |
1679 | int i; |
|
|
1680 | |
|
|
1681 | #if EV_USE_MONOTONIC |
1953 | #if EV_USE_MONOTONIC |
1682 | if (expect_true (have_monotonic)) |
1954 | if (expect_true (have_monotonic)) |
1683 | { |
1955 | { |
|
|
1956 | int i; |
1684 | ev_tstamp odiff = rtmn_diff; |
1957 | ev_tstamp odiff = rtmn_diff; |
1685 | |
1958 | |
1686 | mn_now = get_clock (); |
1959 | mn_now = get_clock (); |
1687 | |
1960 | |
1688 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
1961 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1714 | ev_rt_now = ev_time (); |
1987 | ev_rt_now = ev_time (); |
1715 | mn_now = get_clock (); |
1988 | mn_now = get_clock (); |
1716 | now_floor = mn_now; |
1989 | now_floor = mn_now; |
1717 | } |
1990 | } |
1718 | |
1991 | |
|
|
1992 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1993 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1719 | # if EV_PERIODIC_ENABLE |
1994 | # if EV_PERIODIC_ENABLE |
1720 | periodics_reschedule (EV_A); |
1995 | periodics_reschedule (EV_A); |
1721 | # endif |
1996 | # endif |
1722 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1723 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1724 | } |
1997 | } |
1725 | else |
1998 | else |
1726 | #endif |
1999 | #endif |
1727 | { |
2000 | { |
1728 | ev_rt_now = ev_time (); |
2001 | ev_rt_now = ev_time (); |
1729 | |
2002 | |
1730 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2003 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1731 | { |
2004 | { |
|
|
2005 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2006 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1732 | #if EV_PERIODIC_ENABLE |
2007 | #if EV_PERIODIC_ENABLE |
1733 | periodics_reschedule (EV_A); |
2008 | periodics_reschedule (EV_A); |
1734 | #endif |
2009 | #endif |
1735 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1736 | for (i = 0; i < timercnt; ++i) |
|
|
1737 | { |
|
|
1738 | ANHE *he = timers + i + HEAP0; |
|
|
1739 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1740 | ANHE_at_set (*he); |
|
|
1741 | } |
|
|
1742 | } |
2010 | } |
1743 | |
2011 | |
1744 | mn_now = ev_rt_now; |
2012 | mn_now = ev_rt_now; |
1745 | } |
2013 | } |
1746 | } |
2014 | } |
1747 | |
2015 | |
1748 | void |
|
|
1749 | ev_ref (EV_P) |
|
|
1750 | { |
|
|
1751 | ++activecnt; |
|
|
1752 | } |
|
|
1753 | |
|
|
1754 | void |
|
|
1755 | ev_unref (EV_P) |
|
|
1756 | { |
|
|
1757 | --activecnt; |
|
|
1758 | } |
|
|
1759 | |
|
|
1760 | static int loop_done; |
2016 | static int loop_done; |
1761 | |
2017 | |
1762 | void |
2018 | void |
1763 | ev_loop (EV_P_ int flags) |
2019 | ev_loop (EV_P_ int flags) |
1764 | { |
2020 | { |
… | |
… | |
1766 | |
2022 | |
1767 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2023 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1768 | |
2024 | |
1769 | do |
2025 | do |
1770 | { |
2026 | { |
|
|
2027 | #if EV_VERIFY >= 2 |
|
|
2028 | ev_loop_verify (EV_A); |
|
|
2029 | #endif |
|
|
2030 | |
1771 | #ifndef _WIN32 |
2031 | #ifndef _WIN32 |
1772 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2032 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1773 | if (expect_false (getpid () != curpid)) |
2033 | if (expect_false (getpid () != curpid)) |
1774 | { |
2034 | { |
1775 | curpid = getpid (); |
2035 | curpid = getpid (); |
… | |
… | |
1792 | { |
2052 | { |
1793 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2053 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1794 | call_pending (EV_A); |
2054 | call_pending (EV_A); |
1795 | } |
2055 | } |
1796 | |
2056 | |
1797 | if (expect_false (!activecnt)) |
|
|
1798 | break; |
|
|
1799 | |
|
|
1800 | /* we might have forked, so reify kernel state if necessary */ |
2057 | /* we might have forked, so reify kernel state if necessary */ |
1801 | if (expect_false (postfork)) |
2058 | if (expect_false (postfork)) |
1802 | loop_fork (EV_A); |
2059 | loop_fork (EV_A); |
1803 | |
2060 | |
1804 | /* update fd-related kernel structures */ |
2061 | /* update fd-related kernel structures */ |
… | |
… | |
1883 | ev_unloop (EV_P_ int how) |
2140 | ev_unloop (EV_P_ int how) |
1884 | { |
2141 | { |
1885 | loop_done = how; |
2142 | loop_done = how; |
1886 | } |
2143 | } |
1887 | |
2144 | |
|
|
2145 | void |
|
|
2146 | ev_ref (EV_P) |
|
|
2147 | { |
|
|
2148 | ++activecnt; |
|
|
2149 | } |
|
|
2150 | |
|
|
2151 | void |
|
|
2152 | ev_unref (EV_P) |
|
|
2153 | { |
|
|
2154 | --activecnt; |
|
|
2155 | } |
|
|
2156 | |
|
|
2157 | void |
|
|
2158 | ev_now_update (EV_P) |
|
|
2159 | { |
|
|
2160 | time_update (EV_A_ 1e100); |
|
|
2161 | } |
|
|
2162 | |
|
|
2163 | void |
|
|
2164 | ev_suspend (EV_P) |
|
|
2165 | { |
|
|
2166 | ev_now_update (EV_A); |
|
|
2167 | } |
|
|
2168 | |
|
|
2169 | void |
|
|
2170 | ev_resume (EV_P) |
|
|
2171 | { |
|
|
2172 | ev_tstamp mn_prev = mn_now; |
|
|
2173 | |
|
|
2174 | ev_now_update (EV_A); |
|
|
2175 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2176 | #if EV_PERIODIC_ENABLE |
|
|
2177 | /* TODO: really do this? */ |
|
|
2178 | periodics_reschedule (EV_A); |
|
|
2179 | #endif |
|
|
2180 | } |
|
|
2181 | |
1888 | /*****************************************************************************/ |
2182 | /*****************************************************************************/ |
|
|
2183 | /* singly-linked list management, used when the expected list length is short */ |
1889 | |
2184 | |
1890 | void inline_size |
2185 | inline_size void |
1891 | wlist_add (WL *head, WL elem) |
2186 | wlist_add (WL *head, WL elem) |
1892 | { |
2187 | { |
1893 | elem->next = *head; |
2188 | elem->next = *head; |
1894 | *head = elem; |
2189 | *head = elem; |
1895 | } |
2190 | } |
1896 | |
2191 | |
1897 | void inline_size |
2192 | inline_size void |
1898 | wlist_del (WL *head, WL elem) |
2193 | wlist_del (WL *head, WL elem) |
1899 | { |
2194 | { |
1900 | while (*head) |
2195 | while (*head) |
1901 | { |
2196 | { |
1902 | if (*head == elem) |
2197 | if (*head == elem) |
… | |
… | |
1907 | |
2202 | |
1908 | head = &(*head)->next; |
2203 | head = &(*head)->next; |
1909 | } |
2204 | } |
1910 | } |
2205 | } |
1911 | |
2206 | |
1912 | void inline_speed |
2207 | /* internal, faster, version of ev_clear_pending */ |
|
|
2208 | inline_speed void |
1913 | clear_pending (EV_P_ W w) |
2209 | clear_pending (EV_P_ W w) |
1914 | { |
2210 | { |
1915 | if (w->pending) |
2211 | if (w->pending) |
1916 | { |
2212 | { |
1917 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2213 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1918 | w->pending = 0; |
2214 | w->pending = 0; |
1919 | } |
2215 | } |
1920 | } |
2216 | } |
1921 | |
2217 | |
1922 | int |
2218 | int |
… | |
… | |
1926 | int pending = w_->pending; |
2222 | int pending = w_->pending; |
1927 | |
2223 | |
1928 | if (expect_true (pending)) |
2224 | if (expect_true (pending)) |
1929 | { |
2225 | { |
1930 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2226 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2227 | p->w = (W)&pending_w; |
1931 | w_->pending = 0; |
2228 | w_->pending = 0; |
1932 | p->w = 0; |
|
|
1933 | return p->events; |
2229 | return p->events; |
1934 | } |
2230 | } |
1935 | else |
2231 | else |
1936 | return 0; |
2232 | return 0; |
1937 | } |
2233 | } |
1938 | |
2234 | |
1939 | void inline_size |
2235 | inline_size void |
1940 | pri_adjust (EV_P_ W w) |
2236 | pri_adjust (EV_P_ W w) |
1941 | { |
2237 | { |
1942 | int pri = w->priority; |
2238 | int pri = w->priority; |
1943 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2239 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1944 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2240 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1945 | w->priority = pri; |
2241 | w->priority = pri; |
1946 | } |
2242 | } |
1947 | |
2243 | |
1948 | void inline_speed |
2244 | inline_speed void |
1949 | ev_start (EV_P_ W w, int active) |
2245 | ev_start (EV_P_ W w, int active) |
1950 | { |
2246 | { |
1951 | pri_adjust (EV_A_ w); |
2247 | pri_adjust (EV_A_ w); |
1952 | w->active = active; |
2248 | w->active = active; |
1953 | ev_ref (EV_A); |
2249 | ev_ref (EV_A); |
1954 | } |
2250 | } |
1955 | |
2251 | |
1956 | void inline_size |
2252 | inline_size void |
1957 | ev_stop (EV_P_ W w) |
2253 | ev_stop (EV_P_ W w) |
1958 | { |
2254 | { |
1959 | ev_unref (EV_A); |
2255 | ev_unref (EV_A); |
1960 | w->active = 0; |
2256 | w->active = 0; |
1961 | } |
2257 | } |
… | |
… | |
1968 | int fd = w->fd; |
2264 | int fd = w->fd; |
1969 | |
2265 | |
1970 | if (expect_false (ev_is_active (w))) |
2266 | if (expect_false (ev_is_active (w))) |
1971 | return; |
2267 | return; |
1972 | |
2268 | |
1973 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2269 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2270 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2271 | |
|
|
2272 | EV_FREQUENT_CHECK; |
1974 | |
2273 | |
1975 | ev_start (EV_A_ (W)w, 1); |
2274 | ev_start (EV_A_ (W)w, 1); |
1976 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2275 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1977 | wlist_add (&anfds[fd].head, (WL)w); |
2276 | wlist_add (&anfds[fd].head, (WL)w); |
1978 | |
2277 | |
1979 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2278 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1980 | w->events &= ~EV_IOFDSET; |
2279 | w->events &= ~EV__IOFDSET; |
|
|
2280 | |
|
|
2281 | EV_FREQUENT_CHECK; |
1981 | } |
2282 | } |
1982 | |
2283 | |
1983 | void noinline |
2284 | void noinline |
1984 | ev_io_stop (EV_P_ ev_io *w) |
2285 | ev_io_stop (EV_P_ ev_io *w) |
1985 | { |
2286 | { |
1986 | clear_pending (EV_A_ (W)w); |
2287 | clear_pending (EV_A_ (W)w); |
1987 | if (expect_false (!ev_is_active (w))) |
2288 | if (expect_false (!ev_is_active (w))) |
1988 | return; |
2289 | return; |
1989 | |
2290 | |
1990 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2291 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2292 | |
|
|
2293 | EV_FREQUENT_CHECK; |
1991 | |
2294 | |
1992 | wlist_del (&anfds[w->fd].head, (WL)w); |
2295 | wlist_del (&anfds[w->fd].head, (WL)w); |
1993 | ev_stop (EV_A_ (W)w); |
2296 | ev_stop (EV_A_ (W)w); |
1994 | |
2297 | |
1995 | fd_change (EV_A_ w->fd, 1); |
2298 | fd_change (EV_A_ w->fd, 1); |
|
|
2299 | |
|
|
2300 | EV_FREQUENT_CHECK; |
1996 | } |
2301 | } |
1997 | |
2302 | |
1998 | void noinline |
2303 | void noinline |
1999 | ev_timer_start (EV_P_ ev_timer *w) |
2304 | ev_timer_start (EV_P_ ev_timer *w) |
2000 | { |
2305 | { |
2001 | if (expect_false (ev_is_active (w))) |
2306 | if (expect_false (ev_is_active (w))) |
2002 | return; |
2307 | return; |
2003 | |
2308 | |
2004 | ev_at (w) += mn_now; |
2309 | ev_at (w) += mn_now; |
2005 | |
2310 | |
2006 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2311 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2007 | |
2312 | |
|
|
2313 | EV_FREQUENT_CHECK; |
|
|
2314 | |
|
|
2315 | ++timercnt; |
2008 | ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1); |
2316 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2009 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
2317 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
2010 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
2318 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
2011 | ANHE_at_set (timers [ev_active (w)]); |
2319 | ANHE_at_cache (timers [ev_active (w)]); |
2012 | upheap (timers, ev_active (w)); |
2320 | upheap (timers, ev_active (w)); |
2013 | |
2321 | |
|
|
2322 | EV_FREQUENT_CHECK; |
|
|
2323 | |
2014 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ |
2324 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2015 | } |
2325 | } |
2016 | |
2326 | |
2017 | void noinline |
2327 | void noinline |
2018 | ev_timer_stop (EV_P_ ev_timer *w) |
2328 | ev_timer_stop (EV_P_ ev_timer *w) |
2019 | { |
2329 | { |
2020 | clear_pending (EV_A_ (W)w); |
2330 | clear_pending (EV_A_ (W)w); |
2021 | if (expect_false (!ev_is_active (w))) |
2331 | if (expect_false (!ev_is_active (w))) |
2022 | return; |
2332 | return; |
2023 | |
2333 | |
|
|
2334 | EV_FREQUENT_CHECK; |
|
|
2335 | |
2024 | { |
2336 | { |
2025 | int active = ev_active (w); |
2337 | int active = ev_active (w); |
2026 | |
2338 | |
2027 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2339 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2028 | |
2340 | |
|
|
2341 | --timercnt; |
|
|
2342 | |
2029 | if (expect_true (active < timercnt + HEAP0 - 1)) |
2343 | if (expect_true (active < timercnt + HEAP0)) |
2030 | { |
2344 | { |
2031 | timers [active] = timers [timercnt + HEAP0 - 1]; |
2345 | timers [active] = timers [timercnt + HEAP0]; |
2032 | adjustheap (timers, timercnt, active); |
2346 | adjustheap (timers, timercnt, active); |
2033 | } |
2347 | } |
2034 | |
|
|
2035 | --timercnt; |
|
|
2036 | } |
2348 | } |
|
|
2349 | |
|
|
2350 | EV_FREQUENT_CHECK; |
2037 | |
2351 | |
2038 | ev_at (w) -= mn_now; |
2352 | ev_at (w) -= mn_now; |
2039 | |
2353 | |
2040 | ev_stop (EV_A_ (W)w); |
2354 | ev_stop (EV_A_ (W)w); |
2041 | } |
2355 | } |
2042 | |
2356 | |
2043 | void noinline |
2357 | void noinline |
2044 | ev_timer_again (EV_P_ ev_timer *w) |
2358 | ev_timer_again (EV_P_ ev_timer *w) |
2045 | { |
2359 | { |
|
|
2360 | EV_FREQUENT_CHECK; |
|
|
2361 | |
2046 | if (ev_is_active (w)) |
2362 | if (ev_is_active (w)) |
2047 | { |
2363 | { |
2048 | if (w->repeat) |
2364 | if (w->repeat) |
2049 | { |
2365 | { |
2050 | ev_at (w) = mn_now + w->repeat; |
2366 | ev_at (w) = mn_now + w->repeat; |
2051 | ANHE_at_set (timers [ev_active (w)]); |
2367 | ANHE_at_cache (timers [ev_active (w)]); |
2052 | adjustheap (timers, timercnt, ev_active (w)); |
2368 | adjustheap (timers, timercnt, ev_active (w)); |
2053 | } |
2369 | } |
2054 | else |
2370 | else |
2055 | ev_timer_stop (EV_A_ w); |
2371 | ev_timer_stop (EV_A_ w); |
2056 | } |
2372 | } |
2057 | else if (w->repeat) |
2373 | else if (w->repeat) |
2058 | { |
2374 | { |
2059 | ev_at (w) = w->repeat; |
2375 | ev_at (w) = w->repeat; |
2060 | ev_timer_start (EV_A_ w); |
2376 | ev_timer_start (EV_A_ w); |
2061 | } |
2377 | } |
|
|
2378 | |
|
|
2379 | EV_FREQUENT_CHECK; |
2062 | } |
2380 | } |
2063 | |
2381 | |
2064 | #if EV_PERIODIC_ENABLE |
2382 | #if EV_PERIODIC_ENABLE |
2065 | void noinline |
2383 | void noinline |
2066 | ev_periodic_start (EV_P_ ev_periodic *w) |
2384 | ev_periodic_start (EV_P_ ev_periodic *w) |
… | |
… | |
2070 | |
2388 | |
2071 | if (w->reschedule_cb) |
2389 | if (w->reschedule_cb) |
2072 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2390 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2073 | else if (w->interval) |
2391 | else if (w->interval) |
2074 | { |
2392 | { |
2075 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2393 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2076 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2394 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2077 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2395 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2078 | } |
2396 | } |
2079 | else |
2397 | else |
2080 | ev_at (w) = w->offset; |
2398 | ev_at (w) = w->offset; |
2081 | |
2399 | |
|
|
2400 | EV_FREQUENT_CHECK; |
|
|
2401 | |
|
|
2402 | ++periodiccnt; |
2082 | ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1); |
2403 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
2083 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
2404 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
2084 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
2405 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
|
|
2406 | ANHE_at_cache (periodics [ev_active (w)]); |
2085 | upheap (periodics, ev_active (w)); |
2407 | upheap (periodics, ev_active (w)); |
2086 | |
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
|
|
2410 | |
2087 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2411 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2088 | } |
2412 | } |
2089 | |
2413 | |
2090 | void noinline |
2414 | void noinline |
2091 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2415 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2092 | { |
2416 | { |
2093 | clear_pending (EV_A_ (W)w); |
2417 | clear_pending (EV_A_ (W)w); |
2094 | if (expect_false (!ev_is_active (w))) |
2418 | if (expect_false (!ev_is_active (w))) |
2095 | return; |
2419 | return; |
2096 | |
2420 | |
|
|
2421 | EV_FREQUENT_CHECK; |
|
|
2422 | |
2097 | { |
2423 | { |
2098 | int active = ev_active (w); |
2424 | int active = ev_active (w); |
2099 | |
2425 | |
2100 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2426 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2101 | |
2427 | |
|
|
2428 | --periodiccnt; |
|
|
2429 | |
2102 | if (expect_true (active < periodiccnt + HEAP0 - 1)) |
2430 | if (expect_true (active < periodiccnt + HEAP0)) |
2103 | { |
2431 | { |
2104 | periodics [active] = periodics [periodiccnt + HEAP0 - 1]; |
2432 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2105 | adjustheap (periodics, periodiccnt, active); |
2433 | adjustheap (periodics, periodiccnt, active); |
2106 | } |
2434 | } |
2107 | |
|
|
2108 | --periodiccnt; |
|
|
2109 | } |
2435 | } |
|
|
2436 | |
|
|
2437 | EV_FREQUENT_CHECK; |
2110 | |
2438 | |
2111 | ev_stop (EV_A_ (W)w); |
2439 | ev_stop (EV_A_ (W)w); |
2112 | } |
2440 | } |
2113 | |
2441 | |
2114 | void noinline |
2442 | void noinline |
… | |
… | |
2126 | |
2454 | |
2127 | void noinline |
2455 | void noinline |
2128 | ev_signal_start (EV_P_ ev_signal *w) |
2456 | ev_signal_start (EV_P_ ev_signal *w) |
2129 | { |
2457 | { |
2130 | #if EV_MULTIPLICITY |
2458 | #if EV_MULTIPLICITY |
2131 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2459 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2132 | #endif |
2460 | #endif |
2133 | if (expect_false (ev_is_active (w))) |
2461 | if (expect_false (ev_is_active (w))) |
2134 | return; |
2462 | return; |
2135 | |
2463 | |
2136 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2464 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2137 | |
2465 | |
2138 | evpipe_init (EV_A); |
2466 | evpipe_init (EV_A); |
|
|
2467 | |
|
|
2468 | EV_FREQUENT_CHECK; |
2139 | |
2469 | |
2140 | { |
2470 | { |
2141 | #ifndef _WIN32 |
2471 | #ifndef _WIN32 |
2142 | sigset_t full, prev; |
2472 | sigset_t full, prev; |
2143 | sigfillset (&full); |
2473 | sigfillset (&full); |
2144 | sigprocmask (SIG_SETMASK, &full, &prev); |
2474 | sigprocmask (SIG_SETMASK, &full, &prev); |
2145 | #endif |
2475 | #endif |
2146 | |
2476 | |
2147 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2477 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2148 | |
2478 | |
2149 | #ifndef _WIN32 |
2479 | #ifndef _WIN32 |
2150 | sigprocmask (SIG_SETMASK, &prev, 0); |
2480 | sigprocmask (SIG_SETMASK, &prev, 0); |
2151 | #endif |
2481 | #endif |
2152 | } |
2482 | } |
… | |
… | |
2164 | sigfillset (&sa.sa_mask); |
2494 | sigfillset (&sa.sa_mask); |
2165 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2495 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2166 | sigaction (w->signum, &sa, 0); |
2496 | sigaction (w->signum, &sa, 0); |
2167 | #endif |
2497 | #endif |
2168 | } |
2498 | } |
|
|
2499 | |
|
|
2500 | EV_FREQUENT_CHECK; |
2169 | } |
2501 | } |
2170 | |
2502 | |
2171 | void noinline |
2503 | void noinline |
2172 | ev_signal_stop (EV_P_ ev_signal *w) |
2504 | ev_signal_stop (EV_P_ ev_signal *w) |
2173 | { |
2505 | { |
2174 | clear_pending (EV_A_ (W)w); |
2506 | clear_pending (EV_A_ (W)w); |
2175 | if (expect_false (!ev_is_active (w))) |
2507 | if (expect_false (!ev_is_active (w))) |
2176 | return; |
2508 | return; |
2177 | |
2509 | |
|
|
2510 | EV_FREQUENT_CHECK; |
|
|
2511 | |
2178 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2512 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2179 | ev_stop (EV_A_ (W)w); |
2513 | ev_stop (EV_A_ (W)w); |
2180 | |
2514 | |
2181 | if (!signals [w->signum - 1].head) |
2515 | if (!signals [w->signum - 1].head) |
2182 | signal (w->signum, SIG_DFL); |
2516 | signal (w->signum, SIG_DFL); |
|
|
2517 | |
|
|
2518 | EV_FREQUENT_CHECK; |
2183 | } |
2519 | } |
2184 | |
2520 | |
2185 | void |
2521 | void |
2186 | ev_child_start (EV_P_ ev_child *w) |
2522 | ev_child_start (EV_P_ ev_child *w) |
2187 | { |
2523 | { |
2188 | #if EV_MULTIPLICITY |
2524 | #if EV_MULTIPLICITY |
2189 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2525 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2190 | #endif |
2526 | #endif |
2191 | if (expect_false (ev_is_active (w))) |
2527 | if (expect_false (ev_is_active (w))) |
2192 | return; |
2528 | return; |
2193 | |
2529 | |
|
|
2530 | EV_FREQUENT_CHECK; |
|
|
2531 | |
2194 | ev_start (EV_A_ (W)w, 1); |
2532 | ev_start (EV_A_ (W)w, 1); |
2195 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2533 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2534 | |
|
|
2535 | EV_FREQUENT_CHECK; |
2196 | } |
2536 | } |
2197 | |
2537 | |
2198 | void |
2538 | void |
2199 | ev_child_stop (EV_P_ ev_child *w) |
2539 | ev_child_stop (EV_P_ ev_child *w) |
2200 | { |
2540 | { |
2201 | clear_pending (EV_A_ (W)w); |
2541 | clear_pending (EV_A_ (W)w); |
2202 | if (expect_false (!ev_is_active (w))) |
2542 | if (expect_false (!ev_is_active (w))) |
2203 | return; |
2543 | return; |
2204 | |
2544 | |
|
|
2545 | EV_FREQUENT_CHECK; |
|
|
2546 | |
2205 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2547 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2206 | ev_stop (EV_A_ (W)w); |
2548 | ev_stop (EV_A_ (W)w); |
|
|
2549 | |
|
|
2550 | EV_FREQUENT_CHECK; |
2207 | } |
2551 | } |
2208 | |
2552 | |
2209 | #if EV_STAT_ENABLE |
2553 | #if EV_STAT_ENABLE |
2210 | |
2554 | |
2211 | # ifdef _WIN32 |
2555 | # ifdef _WIN32 |
2212 | # undef lstat |
2556 | # undef lstat |
2213 | # define lstat(a,b) _stati64 (a,b) |
2557 | # define lstat(a,b) _stati64 (a,b) |
2214 | # endif |
2558 | # endif |
2215 | |
2559 | |
2216 | #define DEF_STAT_INTERVAL 5.0074891 |
2560 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2561 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2217 | #define MIN_STAT_INTERVAL 0.1074891 |
2562 | #define MIN_STAT_INTERVAL 0.1074891 |
2218 | |
2563 | |
2219 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2564 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2220 | |
2565 | |
2221 | #if EV_USE_INOTIFY |
2566 | #if EV_USE_INOTIFY |
2222 | # define EV_INOTIFY_BUFSIZE 8192 |
2567 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2226 | { |
2571 | { |
2227 | 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); |
2572 | 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); |
2228 | |
2573 | |
2229 | if (w->wd < 0) |
2574 | if (w->wd < 0) |
2230 | { |
2575 | { |
|
|
2576 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2231 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2577 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2232 | |
2578 | |
2233 | /* monitor some parent directory for speedup hints */ |
2579 | /* monitor some parent directory for speedup hints */ |
2234 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2580 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2235 | /* but an efficiency issue only */ |
2581 | /* but an efficiency issue only */ |
2236 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2582 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2237 | { |
2583 | { |
2238 | char path [4096]; |
2584 | char path [4096]; |
2239 | strcpy (path, w->path); |
2585 | strcpy (path, w->path); |
… | |
… | |
2243 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2589 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2244 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2590 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2245 | |
2591 | |
2246 | char *pend = strrchr (path, '/'); |
2592 | char *pend = strrchr (path, '/'); |
2247 | |
2593 | |
2248 | if (!pend) |
2594 | if (!pend || pend == path) |
2249 | break; /* whoops, no '/', complain to your admin */ |
2595 | break; |
2250 | |
2596 | |
2251 | *pend = 0; |
2597 | *pend = 0; |
2252 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2598 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2253 | } |
2599 | } |
2254 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2600 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2255 | } |
2601 | } |
2256 | } |
2602 | } |
2257 | else |
|
|
2258 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2259 | |
2603 | |
2260 | if (w->wd >= 0) |
2604 | if (w->wd >= 0) |
|
|
2605 | { |
2261 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2606 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2607 | |
|
|
2608 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2609 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2610 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2611 | struct statfs sfs; |
|
|
2612 | |
|
|
2613 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2614 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2615 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2616 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2617 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2618 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2619 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2620 | return; |
|
|
2621 | |
|
|
2622 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2623 | ev_timer_again (EV_A_ &w->timer); |
|
|
2624 | } |
2262 | } |
2625 | } |
2263 | |
2626 | |
2264 | static void noinline |
2627 | static void noinline |
2265 | infy_del (EV_P_ ev_stat *w) |
2628 | infy_del (EV_P_ ev_stat *w) |
2266 | { |
2629 | { |
… | |
… | |
2280 | |
2643 | |
2281 | static void noinline |
2644 | static void noinline |
2282 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2645 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2283 | { |
2646 | { |
2284 | if (slot < 0) |
2647 | if (slot < 0) |
2285 | /* overflow, need to check for all hahs slots */ |
2648 | /* overflow, need to check for all hash slots */ |
2286 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2649 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2287 | infy_wd (EV_A_ slot, wd, ev); |
2650 | infy_wd (EV_A_ slot, wd, ev); |
2288 | else |
2651 | else |
2289 | { |
2652 | { |
2290 | WL w_; |
2653 | WL w_; |
… | |
… | |
2296 | |
2659 | |
2297 | if (w->wd == wd || wd == -1) |
2660 | if (w->wd == wd || wd == -1) |
2298 | { |
2661 | { |
2299 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2662 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2300 | { |
2663 | { |
|
|
2664 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2301 | w->wd = -1; |
2665 | w->wd = -1; |
2302 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2666 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2303 | } |
2667 | } |
2304 | |
2668 | |
2305 | stat_timer_cb (EV_A_ &w->timer, 0); |
2669 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2318 | |
2682 | |
2319 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2683 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2320 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2684 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2321 | } |
2685 | } |
2322 | |
2686 | |
2323 | void inline_size |
2687 | inline_size void |
|
|
2688 | check_2625 (EV_P) |
|
|
2689 | { |
|
|
2690 | /* kernels < 2.6.25 are borked |
|
|
2691 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2692 | */ |
|
|
2693 | struct utsname buf; |
|
|
2694 | int major, minor, micro; |
|
|
2695 | |
|
|
2696 | if (uname (&buf)) |
|
|
2697 | return; |
|
|
2698 | |
|
|
2699 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2700 | return; |
|
|
2701 | |
|
|
2702 | if (major < 2 |
|
|
2703 | || (major == 2 && minor < 6) |
|
|
2704 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2705 | return; |
|
|
2706 | |
|
|
2707 | fs_2625 = 1; |
|
|
2708 | } |
|
|
2709 | |
|
|
2710 | inline_size void |
2324 | infy_init (EV_P) |
2711 | infy_init (EV_P) |
2325 | { |
2712 | { |
2326 | if (fs_fd != -2) |
2713 | if (fs_fd != -2) |
2327 | return; |
2714 | return; |
|
|
2715 | |
|
|
2716 | fs_fd = -1; |
|
|
2717 | |
|
|
2718 | check_2625 (EV_A); |
2328 | |
2719 | |
2329 | fs_fd = inotify_init (); |
2720 | fs_fd = inotify_init (); |
2330 | |
2721 | |
2331 | if (fs_fd >= 0) |
2722 | if (fs_fd >= 0) |
2332 | { |
2723 | { |
… | |
… | |
2334 | ev_set_priority (&fs_w, EV_MAXPRI); |
2725 | ev_set_priority (&fs_w, EV_MAXPRI); |
2335 | ev_io_start (EV_A_ &fs_w); |
2726 | ev_io_start (EV_A_ &fs_w); |
2336 | } |
2727 | } |
2337 | } |
2728 | } |
2338 | |
2729 | |
2339 | void inline_size |
2730 | inline_size void |
2340 | infy_fork (EV_P) |
2731 | infy_fork (EV_P) |
2341 | { |
2732 | { |
2342 | int slot; |
2733 | int slot; |
2343 | |
2734 | |
2344 | if (fs_fd < 0) |
2735 | if (fs_fd < 0) |
… | |
… | |
2360 | w->wd = -1; |
2751 | w->wd = -1; |
2361 | |
2752 | |
2362 | if (fs_fd >= 0) |
2753 | if (fs_fd >= 0) |
2363 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2754 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2364 | else |
2755 | else |
2365 | ev_timer_start (EV_A_ &w->timer); |
2756 | ev_timer_again (EV_A_ &w->timer); |
2366 | } |
2757 | } |
2367 | |
|
|
2368 | } |
2758 | } |
2369 | } |
2759 | } |
2370 | |
2760 | |
|
|
2761 | #endif |
|
|
2762 | |
|
|
2763 | #ifdef _WIN32 |
|
|
2764 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2765 | #else |
|
|
2766 | # define EV_LSTAT(p,b) lstat (p, b) |
2371 | #endif |
2767 | #endif |
2372 | |
2768 | |
2373 | void |
2769 | void |
2374 | ev_stat_stat (EV_P_ ev_stat *w) |
2770 | ev_stat_stat (EV_P_ ev_stat *w) |
2375 | { |
2771 | { |
… | |
… | |
2402 | || w->prev.st_atime != w->attr.st_atime |
2798 | || w->prev.st_atime != w->attr.st_atime |
2403 | || w->prev.st_mtime != w->attr.st_mtime |
2799 | || w->prev.st_mtime != w->attr.st_mtime |
2404 | || w->prev.st_ctime != w->attr.st_ctime |
2800 | || w->prev.st_ctime != w->attr.st_ctime |
2405 | ) { |
2801 | ) { |
2406 | #if EV_USE_INOTIFY |
2802 | #if EV_USE_INOTIFY |
|
|
2803 | if (fs_fd >= 0) |
|
|
2804 | { |
2407 | infy_del (EV_A_ w); |
2805 | infy_del (EV_A_ w); |
2408 | infy_add (EV_A_ w); |
2806 | infy_add (EV_A_ w); |
2409 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2807 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2808 | } |
2410 | #endif |
2809 | #endif |
2411 | |
2810 | |
2412 | ev_feed_event (EV_A_ w, EV_STAT); |
2811 | ev_feed_event (EV_A_ w, EV_STAT); |
2413 | } |
2812 | } |
2414 | } |
2813 | } |
… | |
… | |
2417 | ev_stat_start (EV_P_ ev_stat *w) |
2816 | ev_stat_start (EV_P_ ev_stat *w) |
2418 | { |
2817 | { |
2419 | if (expect_false (ev_is_active (w))) |
2818 | if (expect_false (ev_is_active (w))) |
2420 | return; |
2819 | return; |
2421 | |
2820 | |
2422 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2423 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2424 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2425 | |
|
|
2426 | ev_stat_stat (EV_A_ w); |
2821 | ev_stat_stat (EV_A_ w); |
2427 | |
2822 | |
|
|
2823 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2428 | if (w->interval < MIN_STAT_INTERVAL) |
2824 | w->interval = MIN_STAT_INTERVAL; |
2429 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2430 | |
2825 | |
2431 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2826 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2432 | ev_set_priority (&w->timer, ev_priority (w)); |
2827 | ev_set_priority (&w->timer, ev_priority (w)); |
2433 | |
2828 | |
2434 | #if EV_USE_INOTIFY |
2829 | #if EV_USE_INOTIFY |
2435 | infy_init (EV_A); |
2830 | infy_init (EV_A); |
2436 | |
2831 | |
2437 | if (fs_fd >= 0) |
2832 | if (fs_fd >= 0) |
2438 | infy_add (EV_A_ w); |
2833 | infy_add (EV_A_ w); |
2439 | else |
2834 | else |
2440 | #endif |
2835 | #endif |
2441 | ev_timer_start (EV_A_ &w->timer); |
2836 | ev_timer_again (EV_A_ &w->timer); |
2442 | |
2837 | |
2443 | ev_start (EV_A_ (W)w, 1); |
2838 | ev_start (EV_A_ (W)w, 1); |
|
|
2839 | |
|
|
2840 | EV_FREQUENT_CHECK; |
2444 | } |
2841 | } |
2445 | |
2842 | |
2446 | void |
2843 | void |
2447 | ev_stat_stop (EV_P_ ev_stat *w) |
2844 | ev_stat_stop (EV_P_ ev_stat *w) |
2448 | { |
2845 | { |
2449 | clear_pending (EV_A_ (W)w); |
2846 | clear_pending (EV_A_ (W)w); |
2450 | if (expect_false (!ev_is_active (w))) |
2847 | if (expect_false (!ev_is_active (w))) |
2451 | return; |
2848 | return; |
2452 | |
2849 | |
|
|
2850 | EV_FREQUENT_CHECK; |
|
|
2851 | |
2453 | #if EV_USE_INOTIFY |
2852 | #if EV_USE_INOTIFY |
2454 | infy_del (EV_A_ w); |
2853 | infy_del (EV_A_ w); |
2455 | #endif |
2854 | #endif |
2456 | ev_timer_stop (EV_A_ &w->timer); |
2855 | ev_timer_stop (EV_A_ &w->timer); |
2457 | |
2856 | |
2458 | ev_stop (EV_A_ (W)w); |
2857 | ev_stop (EV_A_ (W)w); |
|
|
2858 | |
|
|
2859 | EV_FREQUENT_CHECK; |
2459 | } |
2860 | } |
2460 | #endif |
2861 | #endif |
2461 | |
2862 | |
2462 | #if EV_IDLE_ENABLE |
2863 | #if EV_IDLE_ENABLE |
2463 | void |
2864 | void |
… | |
… | |
2465 | { |
2866 | { |
2466 | if (expect_false (ev_is_active (w))) |
2867 | if (expect_false (ev_is_active (w))) |
2467 | return; |
2868 | return; |
2468 | |
2869 | |
2469 | pri_adjust (EV_A_ (W)w); |
2870 | pri_adjust (EV_A_ (W)w); |
|
|
2871 | |
|
|
2872 | EV_FREQUENT_CHECK; |
2470 | |
2873 | |
2471 | { |
2874 | { |
2472 | int active = ++idlecnt [ABSPRI (w)]; |
2875 | int active = ++idlecnt [ABSPRI (w)]; |
2473 | |
2876 | |
2474 | ++idleall; |
2877 | ++idleall; |
2475 | ev_start (EV_A_ (W)w, active); |
2878 | ev_start (EV_A_ (W)w, active); |
2476 | |
2879 | |
2477 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2880 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2478 | idles [ABSPRI (w)][active - 1] = w; |
2881 | idles [ABSPRI (w)][active - 1] = w; |
2479 | } |
2882 | } |
|
|
2883 | |
|
|
2884 | EV_FREQUENT_CHECK; |
2480 | } |
2885 | } |
2481 | |
2886 | |
2482 | void |
2887 | void |
2483 | ev_idle_stop (EV_P_ ev_idle *w) |
2888 | ev_idle_stop (EV_P_ ev_idle *w) |
2484 | { |
2889 | { |
2485 | clear_pending (EV_A_ (W)w); |
2890 | clear_pending (EV_A_ (W)w); |
2486 | if (expect_false (!ev_is_active (w))) |
2891 | if (expect_false (!ev_is_active (w))) |
2487 | return; |
2892 | return; |
2488 | |
2893 | |
|
|
2894 | EV_FREQUENT_CHECK; |
|
|
2895 | |
2489 | { |
2896 | { |
2490 | int active = ev_active (w); |
2897 | int active = ev_active (w); |
2491 | |
2898 | |
2492 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2899 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2493 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2900 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2494 | |
2901 | |
2495 | ev_stop (EV_A_ (W)w); |
2902 | ev_stop (EV_A_ (W)w); |
2496 | --idleall; |
2903 | --idleall; |
2497 | } |
2904 | } |
|
|
2905 | |
|
|
2906 | EV_FREQUENT_CHECK; |
2498 | } |
2907 | } |
2499 | #endif |
2908 | #endif |
2500 | |
2909 | |
2501 | void |
2910 | void |
2502 | ev_prepare_start (EV_P_ ev_prepare *w) |
2911 | ev_prepare_start (EV_P_ ev_prepare *w) |
2503 | { |
2912 | { |
2504 | if (expect_false (ev_is_active (w))) |
2913 | if (expect_false (ev_is_active (w))) |
2505 | return; |
2914 | return; |
|
|
2915 | |
|
|
2916 | EV_FREQUENT_CHECK; |
2506 | |
2917 | |
2507 | ev_start (EV_A_ (W)w, ++preparecnt); |
2918 | ev_start (EV_A_ (W)w, ++preparecnt); |
2508 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2919 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2509 | prepares [preparecnt - 1] = w; |
2920 | prepares [preparecnt - 1] = w; |
|
|
2921 | |
|
|
2922 | EV_FREQUENT_CHECK; |
2510 | } |
2923 | } |
2511 | |
2924 | |
2512 | void |
2925 | void |
2513 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2926 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2514 | { |
2927 | { |
2515 | clear_pending (EV_A_ (W)w); |
2928 | clear_pending (EV_A_ (W)w); |
2516 | if (expect_false (!ev_is_active (w))) |
2929 | if (expect_false (!ev_is_active (w))) |
2517 | return; |
2930 | return; |
2518 | |
2931 | |
|
|
2932 | EV_FREQUENT_CHECK; |
|
|
2933 | |
2519 | { |
2934 | { |
2520 | int active = ev_active (w); |
2935 | int active = ev_active (w); |
2521 | |
2936 | |
2522 | prepares [active - 1] = prepares [--preparecnt]; |
2937 | prepares [active - 1] = prepares [--preparecnt]; |
2523 | ev_active (prepares [active - 1]) = active; |
2938 | ev_active (prepares [active - 1]) = active; |
2524 | } |
2939 | } |
2525 | |
2940 | |
2526 | ev_stop (EV_A_ (W)w); |
2941 | ev_stop (EV_A_ (W)w); |
|
|
2942 | |
|
|
2943 | EV_FREQUENT_CHECK; |
2527 | } |
2944 | } |
2528 | |
2945 | |
2529 | void |
2946 | void |
2530 | ev_check_start (EV_P_ ev_check *w) |
2947 | ev_check_start (EV_P_ ev_check *w) |
2531 | { |
2948 | { |
2532 | if (expect_false (ev_is_active (w))) |
2949 | if (expect_false (ev_is_active (w))) |
2533 | return; |
2950 | return; |
|
|
2951 | |
|
|
2952 | EV_FREQUENT_CHECK; |
2534 | |
2953 | |
2535 | ev_start (EV_A_ (W)w, ++checkcnt); |
2954 | ev_start (EV_A_ (W)w, ++checkcnt); |
2536 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2955 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2537 | checks [checkcnt - 1] = w; |
2956 | checks [checkcnt - 1] = w; |
|
|
2957 | |
|
|
2958 | EV_FREQUENT_CHECK; |
2538 | } |
2959 | } |
2539 | |
2960 | |
2540 | void |
2961 | void |
2541 | ev_check_stop (EV_P_ ev_check *w) |
2962 | ev_check_stop (EV_P_ ev_check *w) |
2542 | { |
2963 | { |
2543 | clear_pending (EV_A_ (W)w); |
2964 | clear_pending (EV_A_ (W)w); |
2544 | if (expect_false (!ev_is_active (w))) |
2965 | if (expect_false (!ev_is_active (w))) |
2545 | return; |
2966 | return; |
2546 | |
2967 | |
|
|
2968 | EV_FREQUENT_CHECK; |
|
|
2969 | |
2547 | { |
2970 | { |
2548 | int active = ev_active (w); |
2971 | int active = ev_active (w); |
2549 | |
2972 | |
2550 | checks [active - 1] = checks [--checkcnt]; |
2973 | checks [active - 1] = checks [--checkcnt]; |
2551 | ev_active (checks [active - 1]) = active; |
2974 | ev_active (checks [active - 1]) = active; |
2552 | } |
2975 | } |
2553 | |
2976 | |
2554 | ev_stop (EV_A_ (W)w); |
2977 | ev_stop (EV_A_ (W)w); |
|
|
2978 | |
|
|
2979 | EV_FREQUENT_CHECK; |
2555 | } |
2980 | } |
2556 | |
2981 | |
2557 | #if EV_EMBED_ENABLE |
2982 | #if EV_EMBED_ENABLE |
2558 | void noinline |
2983 | void noinline |
2559 | ev_embed_sweep (EV_P_ ev_embed *w) |
2984 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2586 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3011 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2587 | } |
3012 | } |
2588 | } |
3013 | } |
2589 | } |
3014 | } |
2590 | |
3015 | |
|
|
3016 | static void |
|
|
3017 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
3018 | { |
|
|
3019 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
3020 | |
|
|
3021 | ev_embed_stop (EV_A_ w); |
|
|
3022 | |
|
|
3023 | { |
|
|
3024 | struct ev_loop *loop = w->other; |
|
|
3025 | |
|
|
3026 | ev_loop_fork (EV_A); |
|
|
3027 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3028 | } |
|
|
3029 | |
|
|
3030 | ev_embed_start (EV_A_ w); |
|
|
3031 | } |
|
|
3032 | |
2591 | #if 0 |
3033 | #if 0 |
2592 | static void |
3034 | static void |
2593 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3035 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2594 | { |
3036 | { |
2595 | ev_idle_stop (EV_A_ idle); |
3037 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2602 | if (expect_false (ev_is_active (w))) |
3044 | if (expect_false (ev_is_active (w))) |
2603 | return; |
3045 | return; |
2604 | |
3046 | |
2605 | { |
3047 | { |
2606 | struct ev_loop *loop = w->other; |
3048 | struct ev_loop *loop = w->other; |
2607 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3049 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2608 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3050 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2609 | } |
3051 | } |
|
|
3052 | |
|
|
3053 | EV_FREQUENT_CHECK; |
2610 | |
3054 | |
2611 | ev_set_priority (&w->io, ev_priority (w)); |
3055 | ev_set_priority (&w->io, ev_priority (w)); |
2612 | ev_io_start (EV_A_ &w->io); |
3056 | ev_io_start (EV_A_ &w->io); |
2613 | |
3057 | |
2614 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
3058 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2615 | ev_set_priority (&w->prepare, EV_MINPRI); |
3059 | ev_set_priority (&w->prepare, EV_MINPRI); |
2616 | ev_prepare_start (EV_A_ &w->prepare); |
3060 | ev_prepare_start (EV_A_ &w->prepare); |
2617 | |
3061 | |
|
|
3062 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3063 | ev_fork_start (EV_A_ &w->fork); |
|
|
3064 | |
2618 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
3065 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2619 | |
3066 | |
2620 | ev_start (EV_A_ (W)w, 1); |
3067 | ev_start (EV_A_ (W)w, 1); |
|
|
3068 | |
|
|
3069 | EV_FREQUENT_CHECK; |
2621 | } |
3070 | } |
2622 | |
3071 | |
2623 | void |
3072 | void |
2624 | ev_embed_stop (EV_P_ ev_embed *w) |
3073 | ev_embed_stop (EV_P_ ev_embed *w) |
2625 | { |
3074 | { |
2626 | clear_pending (EV_A_ (W)w); |
3075 | clear_pending (EV_A_ (W)w); |
2627 | if (expect_false (!ev_is_active (w))) |
3076 | if (expect_false (!ev_is_active (w))) |
2628 | return; |
3077 | return; |
2629 | |
3078 | |
|
|
3079 | EV_FREQUENT_CHECK; |
|
|
3080 | |
2630 | ev_io_stop (EV_A_ &w->io); |
3081 | ev_io_stop (EV_A_ &w->io); |
2631 | ev_prepare_stop (EV_A_ &w->prepare); |
3082 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3083 | ev_fork_stop (EV_A_ &w->fork); |
2632 | |
3084 | |
2633 | ev_stop (EV_A_ (W)w); |
3085 | EV_FREQUENT_CHECK; |
2634 | } |
3086 | } |
2635 | #endif |
3087 | #endif |
2636 | |
3088 | |
2637 | #if EV_FORK_ENABLE |
3089 | #if EV_FORK_ENABLE |
2638 | void |
3090 | void |
2639 | ev_fork_start (EV_P_ ev_fork *w) |
3091 | ev_fork_start (EV_P_ ev_fork *w) |
2640 | { |
3092 | { |
2641 | if (expect_false (ev_is_active (w))) |
3093 | if (expect_false (ev_is_active (w))) |
2642 | return; |
3094 | return; |
|
|
3095 | |
|
|
3096 | EV_FREQUENT_CHECK; |
2643 | |
3097 | |
2644 | ev_start (EV_A_ (W)w, ++forkcnt); |
3098 | ev_start (EV_A_ (W)w, ++forkcnt); |
2645 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3099 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2646 | forks [forkcnt - 1] = w; |
3100 | forks [forkcnt - 1] = w; |
|
|
3101 | |
|
|
3102 | EV_FREQUENT_CHECK; |
2647 | } |
3103 | } |
2648 | |
3104 | |
2649 | void |
3105 | void |
2650 | ev_fork_stop (EV_P_ ev_fork *w) |
3106 | ev_fork_stop (EV_P_ ev_fork *w) |
2651 | { |
3107 | { |
2652 | clear_pending (EV_A_ (W)w); |
3108 | clear_pending (EV_A_ (W)w); |
2653 | if (expect_false (!ev_is_active (w))) |
3109 | if (expect_false (!ev_is_active (w))) |
2654 | return; |
3110 | return; |
2655 | |
3111 | |
|
|
3112 | EV_FREQUENT_CHECK; |
|
|
3113 | |
2656 | { |
3114 | { |
2657 | int active = ev_active (w); |
3115 | int active = ev_active (w); |
2658 | |
3116 | |
2659 | forks [active - 1] = forks [--forkcnt]; |
3117 | forks [active - 1] = forks [--forkcnt]; |
2660 | ev_active (forks [active - 1]) = active; |
3118 | ev_active (forks [active - 1]) = active; |
2661 | } |
3119 | } |
2662 | |
3120 | |
2663 | ev_stop (EV_A_ (W)w); |
3121 | ev_stop (EV_A_ (W)w); |
|
|
3122 | |
|
|
3123 | EV_FREQUENT_CHECK; |
2664 | } |
3124 | } |
2665 | #endif |
3125 | #endif |
2666 | |
3126 | |
2667 | #if EV_ASYNC_ENABLE |
3127 | #if EV_ASYNC_ENABLE |
2668 | void |
3128 | void |
… | |
… | |
2670 | { |
3130 | { |
2671 | if (expect_false (ev_is_active (w))) |
3131 | if (expect_false (ev_is_active (w))) |
2672 | return; |
3132 | return; |
2673 | |
3133 | |
2674 | evpipe_init (EV_A); |
3134 | evpipe_init (EV_A); |
|
|
3135 | |
|
|
3136 | EV_FREQUENT_CHECK; |
2675 | |
3137 | |
2676 | ev_start (EV_A_ (W)w, ++asynccnt); |
3138 | ev_start (EV_A_ (W)w, ++asynccnt); |
2677 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3139 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2678 | asyncs [asynccnt - 1] = w; |
3140 | asyncs [asynccnt - 1] = w; |
|
|
3141 | |
|
|
3142 | EV_FREQUENT_CHECK; |
2679 | } |
3143 | } |
2680 | |
3144 | |
2681 | void |
3145 | void |
2682 | ev_async_stop (EV_P_ ev_async *w) |
3146 | ev_async_stop (EV_P_ ev_async *w) |
2683 | { |
3147 | { |
2684 | clear_pending (EV_A_ (W)w); |
3148 | clear_pending (EV_A_ (W)w); |
2685 | if (expect_false (!ev_is_active (w))) |
3149 | if (expect_false (!ev_is_active (w))) |
2686 | return; |
3150 | return; |
2687 | |
3151 | |
|
|
3152 | EV_FREQUENT_CHECK; |
|
|
3153 | |
2688 | { |
3154 | { |
2689 | int active = ev_active (w); |
3155 | int active = ev_active (w); |
2690 | |
3156 | |
2691 | asyncs [active - 1] = asyncs [--asynccnt]; |
3157 | asyncs [active - 1] = asyncs [--asynccnt]; |
2692 | ev_active (asyncs [active - 1]) = active; |
3158 | ev_active (asyncs [active - 1]) = active; |
2693 | } |
3159 | } |
2694 | |
3160 | |
2695 | ev_stop (EV_A_ (W)w); |
3161 | ev_stop (EV_A_ (W)w); |
|
|
3162 | |
|
|
3163 | EV_FREQUENT_CHECK; |
2696 | } |
3164 | } |
2697 | |
3165 | |
2698 | void |
3166 | void |
2699 | ev_async_send (EV_P_ ev_async *w) |
3167 | ev_async_send (EV_P_ ev_async *w) |
2700 | { |
3168 | { |
… | |
… | |
2717 | once_cb (EV_P_ struct ev_once *once, int revents) |
3185 | once_cb (EV_P_ struct ev_once *once, int revents) |
2718 | { |
3186 | { |
2719 | void (*cb)(int revents, void *arg) = once->cb; |
3187 | void (*cb)(int revents, void *arg) = once->cb; |
2720 | void *arg = once->arg; |
3188 | void *arg = once->arg; |
2721 | |
3189 | |
2722 | ev_io_stop (EV_A_ &once->io); |
3190 | ev_io_stop (EV_A_ &once->io); |
2723 | ev_timer_stop (EV_A_ &once->to); |
3191 | ev_timer_stop (EV_A_ &once->to); |
2724 | ev_free (once); |
3192 | ev_free (once); |
2725 | |
3193 | |
2726 | cb (revents, arg); |
3194 | cb (revents, arg); |
2727 | } |
3195 | } |
2728 | |
3196 | |
2729 | static void |
3197 | static void |
2730 | once_cb_io (EV_P_ ev_io *w, int revents) |
3198 | once_cb_io (EV_P_ ev_io *w, int revents) |
2731 | { |
3199 | { |
2732 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3200 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3201 | |
|
|
3202 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2733 | } |
3203 | } |
2734 | |
3204 | |
2735 | static void |
3205 | static void |
2736 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3206 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2737 | { |
3207 | { |
2738 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3208 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3209 | |
|
|
3210 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2739 | } |
3211 | } |
2740 | |
3212 | |
2741 | void |
3213 | void |
2742 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3214 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2743 | { |
3215 | { |
… | |
… | |
2765 | ev_timer_set (&once->to, timeout, 0.); |
3237 | ev_timer_set (&once->to, timeout, 0.); |
2766 | ev_timer_start (EV_A_ &once->to); |
3238 | ev_timer_start (EV_A_ &once->to); |
2767 | } |
3239 | } |
2768 | } |
3240 | } |
2769 | |
3241 | |
|
|
3242 | /*****************************************************************************/ |
|
|
3243 | |
|
|
3244 | #if EV_WALK_ENABLE |
|
|
3245 | void |
|
|
3246 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3247 | { |
|
|
3248 | int i, j; |
|
|
3249 | ev_watcher_list *wl, *wn; |
|
|
3250 | |
|
|
3251 | if (types & (EV_IO | EV_EMBED)) |
|
|
3252 | for (i = 0; i < anfdmax; ++i) |
|
|
3253 | for (wl = anfds [i].head; wl; ) |
|
|
3254 | { |
|
|
3255 | wn = wl->next; |
|
|
3256 | |
|
|
3257 | #if EV_EMBED_ENABLE |
|
|
3258 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3259 | { |
|
|
3260 | if (types & EV_EMBED) |
|
|
3261 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3262 | } |
|
|
3263 | else |
|
|
3264 | #endif |
|
|
3265 | #if EV_USE_INOTIFY |
|
|
3266 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3267 | ; |
|
|
3268 | else |
|
|
3269 | #endif |
|
|
3270 | if ((ev_io *)wl != &pipe_w) |
|
|
3271 | if (types & EV_IO) |
|
|
3272 | cb (EV_A_ EV_IO, wl); |
|
|
3273 | |
|
|
3274 | wl = wn; |
|
|
3275 | } |
|
|
3276 | |
|
|
3277 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3278 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3279 | #if EV_STAT_ENABLE |
|
|
3280 | /*TODO: timer is not always active*/ |
|
|
3281 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3282 | { |
|
|
3283 | if (types & EV_STAT) |
|
|
3284 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3285 | } |
|
|
3286 | else |
|
|
3287 | #endif |
|
|
3288 | if (types & EV_TIMER) |
|
|
3289 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3290 | |
|
|
3291 | #if EV_PERIODIC_ENABLE |
|
|
3292 | if (types & EV_PERIODIC) |
|
|
3293 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3294 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3295 | #endif |
|
|
3296 | |
|
|
3297 | #if EV_IDLE_ENABLE |
|
|
3298 | if (types & EV_IDLE) |
|
|
3299 | for (j = NUMPRI; i--; ) |
|
|
3300 | for (i = idlecnt [j]; i--; ) |
|
|
3301 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3302 | #endif |
|
|
3303 | |
|
|
3304 | #if EV_FORK_ENABLE |
|
|
3305 | if (types & EV_FORK) |
|
|
3306 | for (i = forkcnt; i--; ) |
|
|
3307 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3308 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3309 | #endif |
|
|
3310 | |
|
|
3311 | #if EV_ASYNC_ENABLE |
|
|
3312 | if (types & EV_ASYNC) |
|
|
3313 | for (i = asynccnt; i--; ) |
|
|
3314 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3315 | #endif |
|
|
3316 | |
|
|
3317 | if (types & EV_PREPARE) |
|
|
3318 | for (i = preparecnt; i--; ) |
|
|
3319 | #if EV_EMBED_ENABLE |
|
|
3320 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3321 | #endif |
|
|
3322 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3323 | |
|
|
3324 | if (types & EV_CHECK) |
|
|
3325 | for (i = checkcnt; i--; ) |
|
|
3326 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3327 | |
|
|
3328 | if (types & EV_SIGNAL) |
|
|
3329 | for (i = 0; i < signalmax; ++i) |
|
|
3330 | for (wl = signals [i].head; wl; ) |
|
|
3331 | { |
|
|
3332 | wn = wl->next; |
|
|
3333 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3334 | wl = wn; |
|
|
3335 | } |
|
|
3336 | |
|
|
3337 | if (types & EV_CHILD) |
|
|
3338 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3339 | for (wl = childs [i]; wl; ) |
|
|
3340 | { |
|
|
3341 | wn = wl->next; |
|
|
3342 | cb (EV_A_ EV_CHILD, wl); |
|
|
3343 | wl = wn; |
|
|
3344 | } |
|
|
3345 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3346 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3347 | } |
|
|
3348 | #endif |
|
|
3349 | |
2770 | #if EV_MULTIPLICITY |
3350 | #if EV_MULTIPLICITY |
2771 | #include "ev_wrap.h" |
3351 | #include "ev_wrap.h" |
2772 | #endif |
3352 | #endif |
2773 | |
3353 | |
2774 | #ifdef __cplusplus |
3354 | #ifdef __cplusplus |