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 |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # endif |
|
|
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 |
… | |
… | |
164 | # endif |
176 | # endif |
165 | #endif |
177 | #endif |
166 | |
178 | |
167 | /* 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 */ |
168 | |
180 | |
|
|
181 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
182 | # if __linux && __GLIBC__ >= 2 |
|
|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
184 | # else |
|
|
185 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
186 | # endif |
|
|
187 | #endif |
|
|
188 | |
169 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
171 | # define EV_USE_MONOTONIC 1 |
191 | # define EV_USE_MONOTONIC 1 |
172 | # else |
192 | # else |
173 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
174 | # endif |
194 | # endif |
175 | #endif |
195 | #endif |
176 | |
196 | |
177 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
178 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
179 | #endif |
199 | #endif |
180 | |
200 | |
181 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
182 | # if _POSIX_C_SOURCE >= 199309L |
202 | # if _POSIX_C_SOURCE >= 199309L |
183 | # define EV_USE_NANOSLEEP 1 |
203 | # define EV_USE_NANOSLEEP 1 |
… | |
… | |
287 | # endif |
307 | # endif |
288 | #endif |
308 | #endif |
289 | |
309 | |
290 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
291 | # include <sys/utsname.h> |
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
292 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
294 | # ifndef IN_DONT_FOLLOW |
315 | # ifndef IN_DONT_FOLLOW |
295 | # undef EV_USE_INOTIFY |
316 | # undef EV_USE_INOTIFY |
296 | # define EV_USE_INOTIFY 0 |
317 | # define EV_USE_INOTIFY 0 |
297 | # endif |
318 | # endif |
298 | #endif |
319 | #endif |
299 | |
320 | |
300 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
301 | # include <winsock.h> |
322 | # include <winsock.h> |
|
|
323 | #endif |
|
|
324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
302 | #endif |
332 | #endif |
303 | |
333 | |
304 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
305 | /* 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 */ |
306 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
367 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
368 | |
398 | |
369 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
370 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
371 | |
401 | |
372 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
373 | /* 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 */ |
374 | /* 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? */ |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if EV_USE_MONOTONIC |
375 | 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? */ |
376 | #endif |
410 | #endif |
377 | |
411 | |
378 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
379 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
388 | { |
422 | { |
389 | syserr_cb = cb; |
423 | syserr_cb = cb; |
390 | } |
424 | } |
391 | |
425 | |
392 | static void noinline |
426 | static void noinline |
393 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
394 | { |
428 | { |
395 | if (!msg) |
429 | if (!msg) |
396 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
397 | |
431 | |
398 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
450 | { |
484 | { |
451 | WL head; |
485 | WL head; |
452 | unsigned char events; |
486 | unsigned char events; |
453 | unsigned char reify; |
487 | unsigned char reify; |
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
455 | unsigned char unused; /* currently unused padding */ |
489 | unsigned char unused; |
|
|
490 | #if EV_USE_EPOLL |
|
|
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
492 | #endif |
456 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
457 | SOCKET handle; |
494 | SOCKET handle; |
458 | #endif |
495 | #endif |
459 | } ANFD; |
496 | } ANFD; |
460 | |
497 | |
… | |
… | |
520 | |
557 | |
521 | ev_tstamp |
558 | ev_tstamp |
522 | ev_time (void) |
559 | ev_time (void) |
523 | { |
560 | { |
524 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
525 | struct timespec ts; |
564 | struct timespec ts; |
526 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
527 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
528 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
529 | struct timeval tv; |
570 | struct timeval tv; |
530 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
531 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
532 | #endif |
|
|
533 | } |
573 | } |
534 | |
574 | |
535 | ev_tstamp inline_size |
575 | ev_tstamp inline_size |
536 | get_clock (void) |
576 | get_clock (void) |
537 | { |
577 | { |
… | |
… | |
636 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
637 | } |
677 | } |
638 | #endif |
678 | #endif |
639 | |
679 | |
640 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
641 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
681 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
642 | |
682 | |
643 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
644 | |
684 | |
645 | void noinline |
685 | void noinline |
646 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
715 | #ifdef EV_FD_TO_WIN32_HANDLE |
755 | #ifdef EV_FD_TO_WIN32_HANDLE |
716 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
756 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
717 | #else |
757 | #else |
718 | anfd->handle = _get_osfhandle (fd); |
758 | anfd->handle = _get_osfhandle (fd); |
719 | #endif |
759 | #endif |
720 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
760 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
721 | } |
761 | } |
722 | #endif |
762 | #endif |
723 | |
763 | |
724 | { |
764 | { |
725 | unsigned char o_events = anfd->events; |
765 | unsigned char o_events = anfd->events; |
726 | unsigned char o_reify = anfd->reify; |
766 | unsigned char o_reify = anfd->reify; |
727 | |
767 | |
728 | anfd->reify = 0; |
768 | anfd->reify = 0; |
729 | anfd->events = events; |
769 | anfd->events = events; |
730 | |
770 | |
731 | if (o_events != events || o_reify & EV_IOFDSET) |
771 | if (o_events != events || o_reify & EV__IOFDSET) |
732 | backend_modify (EV_A_ fd, o_events, events); |
772 | backend_modify (EV_A_ fd, o_events, events); |
733 | } |
773 | } |
734 | } |
774 | } |
735 | |
775 | |
736 | fdchangecnt = 0; |
776 | fdchangecnt = 0; |
… | |
… | |
806 | |
846 | |
807 | for (fd = 0; fd < anfdmax; ++fd) |
847 | for (fd = 0; fd < anfdmax; ++fd) |
808 | if (anfds [fd].events) |
848 | if (anfds [fd].events) |
809 | { |
849 | { |
810 | anfds [fd].events = 0; |
850 | anfds [fd].events = 0; |
|
|
851 | anfds [fd].emask = 0; |
811 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
852 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
812 | } |
853 | } |
813 | } |
854 | } |
814 | |
855 | |
815 | /*****************************************************************************/ |
856 | /*****************************************************************************/ |
816 | |
857 | |
… | |
… | |
997 | } |
1038 | } |
998 | else |
1039 | else |
999 | #endif |
1040 | #endif |
1000 | { |
1041 | { |
1001 | while (pipe (evpipe)) |
1042 | while (pipe (evpipe)) |
1002 | syserr ("(libev) error creating signal/async pipe"); |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
1003 | |
1044 | |
1004 | fd_intern (evpipe [0]); |
1045 | fd_intern (evpipe [0]); |
1005 | fd_intern (evpipe [1]); |
1046 | fd_intern (evpipe [1]); |
1006 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1007 | } |
1048 | } |
… | |
… | |
1097 | ev_feed_signal_event (EV_P_ int signum) |
1138 | ev_feed_signal_event (EV_P_ int signum) |
1098 | { |
1139 | { |
1099 | WL w; |
1140 | WL w; |
1100 | |
1141 | |
1101 | #if EV_MULTIPLICITY |
1142 | #if EV_MULTIPLICITY |
1102 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1143 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1103 | #endif |
1144 | #endif |
1104 | |
1145 | |
1105 | --signum; |
1146 | --signum; |
1106 | |
1147 | |
1107 | if (signum < 0 || signum >= signalmax) |
1148 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1236 | /* kqueue is borked on everything but netbsd apparently */ |
1277 | /* kqueue is borked on everything but netbsd apparently */ |
1237 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1278 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1238 | flags &= ~EVBACKEND_KQUEUE; |
1279 | flags &= ~EVBACKEND_KQUEUE; |
1239 | #endif |
1280 | #endif |
1240 | #ifdef __APPLE__ |
1281 | #ifdef __APPLE__ |
1241 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1282 | /* only select works correctly on that "unix-certified" platform */ |
1242 | flags &= ~EVBACKEND_POLL; |
1283 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1284 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1243 | #endif |
1285 | #endif |
1244 | |
1286 | |
1245 | return flags; |
1287 | return flags; |
1246 | } |
1288 | } |
1247 | |
1289 | |
… | |
… | |
1284 | static void noinline |
1326 | static void noinline |
1285 | loop_init (EV_P_ unsigned int flags) |
1327 | loop_init (EV_P_ unsigned int flags) |
1286 | { |
1328 | { |
1287 | if (!backend) |
1329 | if (!backend) |
1288 | { |
1330 | { |
|
|
1331 | #if EV_USE_REALTIME |
|
|
1332 | if (!have_realtime) |
|
|
1333 | { |
|
|
1334 | struct timespec ts; |
|
|
1335 | |
|
|
1336 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1337 | have_realtime = 1; |
|
|
1338 | } |
|
|
1339 | #endif |
|
|
1340 | |
1289 | #if EV_USE_MONOTONIC |
1341 | #if EV_USE_MONOTONIC |
|
|
1342 | if (!have_monotonic) |
1290 | { |
1343 | { |
1291 | struct timespec ts; |
1344 | struct timespec ts; |
|
|
1345 | |
1292 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1293 | have_monotonic = 1; |
1347 | have_monotonic = 1; |
1294 | } |
1348 | } |
1295 | #endif |
1349 | #endif |
1296 | |
1350 | |
1297 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1298 | mn_now = get_clock (); |
1352 | mn_now = get_clock (); |
1299 | now_floor = mn_now; |
1353 | now_floor = mn_now; |
… | |
… | |
1500 | |
1554 | |
1501 | #if EV_VERIFY |
1555 | #if EV_VERIFY |
1502 | static void noinline |
1556 | static void noinline |
1503 | verify_watcher (EV_P_ W w) |
1557 | verify_watcher (EV_P_ W w) |
1504 | { |
1558 | { |
1505 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1559 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1506 | |
1560 | |
1507 | if (w->pending) |
1561 | if (w->pending) |
1508 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1562 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1509 | } |
1563 | } |
1510 | |
1564 | |
1511 | static void noinline |
1565 | static void noinline |
1512 | verify_heap (EV_P_ ANHE *heap, int N) |
1566 | verify_heap (EV_P_ ANHE *heap, int N) |
1513 | { |
1567 | { |
1514 | int i; |
1568 | int i; |
1515 | |
1569 | |
1516 | for (i = HEAP0; i < N + HEAP0; ++i) |
1570 | for (i = HEAP0; i < N + HEAP0; ++i) |
1517 | { |
1571 | { |
1518 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1572 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1519 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1573 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1520 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1574 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1521 | |
1575 | |
1522 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1576 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1523 | } |
1577 | } |
1524 | } |
1578 | } |
1525 | |
1579 | |
1526 | static void noinline |
1580 | static void noinline |
1527 | array_verify (EV_P_ W *ws, int cnt) |
1581 | array_verify (EV_P_ W *ws, int cnt) |
1528 | { |
1582 | { |
1529 | while (cnt--) |
1583 | while (cnt--) |
1530 | { |
1584 | { |
1531 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1585 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1532 | verify_watcher (EV_A_ ws [cnt]); |
1586 | verify_watcher (EV_A_ ws [cnt]); |
1533 | } |
1587 | } |
1534 | } |
1588 | } |
1535 | #endif |
1589 | #endif |
1536 | |
1590 | |
… | |
… | |
1543 | |
1597 | |
1544 | assert (activecnt >= -1); |
1598 | assert (activecnt >= -1); |
1545 | |
1599 | |
1546 | assert (fdchangemax >= fdchangecnt); |
1600 | assert (fdchangemax >= fdchangecnt); |
1547 | for (i = 0; i < fdchangecnt; ++i) |
1601 | for (i = 0; i < fdchangecnt; ++i) |
1548 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1602 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1549 | |
1603 | |
1550 | assert (anfdmax >= 0); |
1604 | assert (anfdmax >= 0); |
1551 | for (i = 0; i < anfdmax; ++i) |
1605 | for (i = 0; i < anfdmax; ++i) |
1552 | for (w = anfds [i].head; w; w = w->next) |
1606 | for (w = anfds [i].head; w; w = w->next) |
1553 | { |
1607 | { |
1554 | verify_watcher (EV_A_ (W)w); |
1608 | verify_watcher (EV_A_ (W)w); |
1555 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1609 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1556 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1610 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1557 | } |
1611 | } |
1558 | |
1612 | |
1559 | assert (timermax >= timercnt); |
1613 | assert (timermax >= timercnt); |
1560 | verify_heap (EV_A_ timers, timercnt); |
1614 | verify_heap (EV_A_ timers, timercnt); |
1561 | |
1615 | |
… | |
… | |
1638 | { |
1692 | { |
1639 | #if EV_MULTIPLICITY |
1693 | #if EV_MULTIPLICITY |
1640 | struct ev_loop *loop = ev_default_loop_ptr; |
1694 | struct ev_loop *loop = ev_default_loop_ptr; |
1641 | #endif |
1695 | #endif |
1642 | |
1696 | |
|
|
1697 | ev_default_loop_ptr = 0; |
|
|
1698 | |
1643 | #ifndef _WIN32 |
1699 | #ifndef _WIN32 |
1644 | ev_ref (EV_A); /* child watcher */ |
1700 | ev_ref (EV_A); /* child watcher */ |
1645 | ev_signal_stop (EV_A_ &childev); |
1701 | ev_signal_stop (EV_A_ &childev); |
1646 | #endif |
1702 | #endif |
1647 | |
1703 | |
… | |
… | |
1653 | { |
1709 | { |
1654 | #if EV_MULTIPLICITY |
1710 | #if EV_MULTIPLICITY |
1655 | struct ev_loop *loop = ev_default_loop_ptr; |
1711 | struct ev_loop *loop = ev_default_loop_ptr; |
1656 | #endif |
1712 | #endif |
1657 | |
1713 | |
1658 | if (backend) |
|
|
1659 | postfork = 1; /* must be in line with ev_loop_fork */ |
1714 | postfork = 1; /* must be in line with ev_loop_fork */ |
1660 | } |
1715 | } |
1661 | |
1716 | |
1662 | /*****************************************************************************/ |
1717 | /*****************************************************************************/ |
1663 | |
1718 | |
1664 | void |
1719 | void |
… | |
… | |
1677 | { |
1732 | { |
1678 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1679 | |
1734 | |
1680 | if (expect_true (p->w)) |
1735 | if (expect_true (p->w)) |
1681 | { |
1736 | { |
1682 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1683 | |
1738 | |
1684 | p->w->pending = 0; |
1739 | p->w->pending = 0; |
1685 | EV_CB_INVOKE (p->w, p->events); |
1740 | EV_CB_INVOKE (p->w, p->events); |
1686 | EV_FREQUENT_CHECK; |
1741 | EV_FREQUENT_CHECK; |
1687 | } |
1742 | } |
… | |
… | |
1718 | |
1773 | |
1719 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1774 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1720 | { |
1775 | { |
1721 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1776 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1722 | |
1777 | |
1723 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1778 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
1724 | |
1779 | |
1725 | /* first reschedule or stop timer */ |
1780 | /* first reschedule or stop timer */ |
1726 | if (w->repeat) |
1781 | if (w->repeat) |
1727 | { |
1782 | { |
1728 | ev_at (w) += w->repeat; |
1783 | ev_at (w) += w->repeat; |
1729 | if (ev_at (w) < mn_now) |
1784 | if (ev_at (w) < mn_now) |
1730 | ev_at (w) = mn_now; |
1785 | ev_at (w) = mn_now; |
1731 | |
1786 | |
1732 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1787 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1733 | |
1788 | |
1734 | ANHE_at_cache (timers [HEAP0]); |
1789 | ANHE_at_cache (timers [HEAP0]); |
1735 | downheap (timers, timercnt, HEAP0); |
1790 | downheap (timers, timercnt, HEAP0); |
1736 | } |
1791 | } |
1737 | else |
1792 | else |
… | |
… | |
1750 | |
1805 | |
1751 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1806 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1752 | { |
1807 | { |
1753 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1808 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1754 | |
1809 | |
1755 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1810 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1756 | |
1811 | |
1757 | /* first reschedule or stop timer */ |
1812 | /* first reschedule or stop timer */ |
1758 | if (w->reschedule_cb) |
1813 | if (w->reschedule_cb) |
1759 | { |
1814 | { |
1760 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1815 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1761 | |
1816 | |
1762 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1817 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1763 | |
1818 | |
1764 | ANHE_at_cache (periodics [HEAP0]); |
1819 | ANHE_at_cache (periodics [HEAP0]); |
1765 | downheap (periodics, periodiccnt, HEAP0); |
1820 | downheap (periodics, periodiccnt, HEAP0); |
1766 | } |
1821 | } |
1767 | else if (w->interval) |
1822 | else if (w->interval) |
… | |
… | |
2118 | int fd = w->fd; |
2173 | int fd = w->fd; |
2119 | |
2174 | |
2120 | if (expect_false (ev_is_active (w))) |
2175 | if (expect_false (ev_is_active (w))) |
2121 | return; |
2176 | return; |
2122 | |
2177 | |
2123 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2178 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2124 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2179 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2125 | |
2180 | |
2126 | EV_FREQUENT_CHECK; |
2181 | EV_FREQUENT_CHECK; |
2127 | |
2182 | |
2128 | ev_start (EV_A_ (W)w, 1); |
2183 | ev_start (EV_A_ (W)w, 1); |
2129 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2184 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2130 | wlist_add (&anfds[fd].head, (WL)w); |
2185 | wlist_add (&anfds[fd].head, (WL)w); |
2131 | |
2186 | |
2132 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2187 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2133 | w->events &= ~EV_IOFDSET; |
2188 | w->events &= ~EV__IOFDSET; |
2134 | |
2189 | |
2135 | EV_FREQUENT_CHECK; |
2190 | EV_FREQUENT_CHECK; |
2136 | } |
2191 | } |
2137 | |
2192 | |
2138 | void noinline |
2193 | void noinline |
… | |
… | |
2140 | { |
2195 | { |
2141 | clear_pending (EV_A_ (W)w); |
2196 | clear_pending (EV_A_ (W)w); |
2142 | if (expect_false (!ev_is_active (w))) |
2197 | if (expect_false (!ev_is_active (w))) |
2143 | return; |
2198 | return; |
2144 | |
2199 | |
2145 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2200 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2146 | |
2201 | |
2147 | EV_FREQUENT_CHECK; |
2202 | EV_FREQUENT_CHECK; |
2148 | |
2203 | |
2149 | wlist_del (&anfds[w->fd].head, (WL)w); |
2204 | wlist_del (&anfds[w->fd].head, (WL)w); |
2150 | ev_stop (EV_A_ (W)w); |
2205 | ev_stop (EV_A_ (W)w); |
… | |
… | |
2160 | if (expect_false (ev_is_active (w))) |
2215 | if (expect_false (ev_is_active (w))) |
2161 | return; |
2216 | return; |
2162 | |
2217 | |
2163 | ev_at (w) += mn_now; |
2218 | ev_at (w) += mn_now; |
2164 | |
2219 | |
2165 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2220 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2166 | |
2221 | |
2167 | EV_FREQUENT_CHECK; |
2222 | EV_FREQUENT_CHECK; |
2168 | |
2223 | |
2169 | ++timercnt; |
2224 | ++timercnt; |
2170 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2225 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2173 | ANHE_at_cache (timers [ev_active (w)]); |
2228 | ANHE_at_cache (timers [ev_active (w)]); |
2174 | upheap (timers, ev_active (w)); |
2229 | upheap (timers, ev_active (w)); |
2175 | |
2230 | |
2176 | EV_FREQUENT_CHECK; |
2231 | EV_FREQUENT_CHECK; |
2177 | |
2232 | |
2178 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2233 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2179 | } |
2234 | } |
2180 | |
2235 | |
2181 | void noinline |
2236 | void noinline |
2182 | ev_timer_stop (EV_P_ ev_timer *w) |
2237 | ev_timer_stop (EV_P_ ev_timer *w) |
2183 | { |
2238 | { |
… | |
… | |
2188 | EV_FREQUENT_CHECK; |
2243 | EV_FREQUENT_CHECK; |
2189 | |
2244 | |
2190 | { |
2245 | { |
2191 | int active = ev_active (w); |
2246 | int active = ev_active (w); |
2192 | |
2247 | |
2193 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2248 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2194 | |
2249 | |
2195 | --timercnt; |
2250 | --timercnt; |
2196 | |
2251 | |
2197 | if (expect_true (active < timercnt + HEAP0)) |
2252 | if (expect_true (active < timercnt + HEAP0)) |
2198 | { |
2253 | { |
… | |
… | |
2242 | |
2297 | |
2243 | if (w->reschedule_cb) |
2298 | if (w->reschedule_cb) |
2244 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2299 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2245 | else if (w->interval) |
2300 | else if (w->interval) |
2246 | { |
2301 | { |
2247 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2302 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2248 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2303 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2249 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2304 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2250 | } |
2305 | } |
2251 | else |
2306 | else |
2252 | ev_at (w) = w->offset; |
2307 | ev_at (w) = w->offset; |
… | |
… | |
2260 | ANHE_at_cache (periodics [ev_active (w)]); |
2315 | ANHE_at_cache (periodics [ev_active (w)]); |
2261 | upheap (periodics, ev_active (w)); |
2316 | upheap (periodics, ev_active (w)); |
2262 | |
2317 | |
2263 | EV_FREQUENT_CHECK; |
2318 | EV_FREQUENT_CHECK; |
2264 | |
2319 | |
2265 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2320 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2266 | } |
2321 | } |
2267 | |
2322 | |
2268 | void noinline |
2323 | void noinline |
2269 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2324 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2270 | { |
2325 | { |
… | |
… | |
2275 | EV_FREQUENT_CHECK; |
2330 | EV_FREQUENT_CHECK; |
2276 | |
2331 | |
2277 | { |
2332 | { |
2278 | int active = ev_active (w); |
2333 | int active = ev_active (w); |
2279 | |
2334 | |
2280 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2335 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2281 | |
2336 | |
2282 | --periodiccnt; |
2337 | --periodiccnt; |
2283 | |
2338 | |
2284 | if (expect_true (active < periodiccnt + HEAP0)) |
2339 | if (expect_true (active < periodiccnt + HEAP0)) |
2285 | { |
2340 | { |
… | |
… | |
2308 | |
2363 | |
2309 | void noinline |
2364 | void noinline |
2310 | ev_signal_start (EV_P_ ev_signal *w) |
2365 | ev_signal_start (EV_P_ ev_signal *w) |
2311 | { |
2366 | { |
2312 | #if EV_MULTIPLICITY |
2367 | #if EV_MULTIPLICITY |
2313 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2368 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2314 | #endif |
2369 | #endif |
2315 | if (expect_false (ev_is_active (w))) |
2370 | if (expect_false (ev_is_active (w))) |
2316 | return; |
2371 | return; |
2317 | |
2372 | |
2318 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2373 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2319 | |
2374 | |
2320 | evpipe_init (EV_A); |
2375 | evpipe_init (EV_A); |
2321 | |
2376 | |
2322 | EV_FREQUENT_CHECK; |
2377 | EV_FREQUENT_CHECK; |
2323 | |
2378 | |
… | |
… | |
2374 | |
2429 | |
2375 | void |
2430 | void |
2376 | ev_child_start (EV_P_ ev_child *w) |
2431 | ev_child_start (EV_P_ ev_child *w) |
2377 | { |
2432 | { |
2378 | #if EV_MULTIPLICITY |
2433 | #if EV_MULTIPLICITY |
2379 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2434 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2380 | #endif |
2435 | #endif |
2381 | if (expect_false (ev_is_active (w))) |
2436 | if (expect_false (ev_is_active (w))) |
2382 | return; |
2437 | return; |
2383 | |
2438 | |
2384 | EV_FREQUENT_CHECK; |
2439 | EV_FREQUENT_CHECK; |
… | |
… | |
2409 | # ifdef _WIN32 |
2464 | # ifdef _WIN32 |
2410 | # undef lstat |
2465 | # undef lstat |
2411 | # define lstat(a,b) _stati64 (a,b) |
2466 | # define lstat(a,b) _stati64 (a,b) |
2412 | # endif |
2467 | # endif |
2413 | |
2468 | |
2414 | #define DEF_STAT_INTERVAL 5.0074891 |
2469 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2470 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2415 | #define MIN_STAT_INTERVAL 0.1074891 |
2471 | #define MIN_STAT_INTERVAL 0.1074891 |
2416 | |
2472 | |
2417 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2473 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2418 | |
2474 | |
2419 | #if EV_USE_INOTIFY |
2475 | #if EV_USE_INOTIFY |
2420 | # define EV_INOTIFY_BUFSIZE 8192 |
2476 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2424 | { |
2480 | { |
2425 | 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); |
2481 | 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); |
2426 | |
2482 | |
2427 | if (w->wd < 0) |
2483 | if (w->wd < 0) |
2428 | { |
2484 | { |
|
|
2485 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2429 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2486 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2430 | |
2487 | |
2431 | /* monitor some parent directory for speedup hints */ |
2488 | /* monitor some parent directory for speedup hints */ |
2432 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2489 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2433 | /* but an efficiency issue only */ |
2490 | /* but an efficiency issue only */ |
2434 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2491 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2435 | { |
2492 | { |
2436 | char path [4096]; |
2493 | char path [4096]; |
2437 | strcpy (path, w->path); |
2494 | strcpy (path, w->path); |
… | |
… | |
2441 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2498 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2442 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2499 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2443 | |
2500 | |
2444 | char *pend = strrchr (path, '/'); |
2501 | char *pend = strrchr (path, '/'); |
2445 | |
2502 | |
2446 | if (!pend) |
2503 | if (!pend || pend == path) |
2447 | break; /* whoops, no '/', complain to your admin */ |
2504 | break; |
2448 | |
2505 | |
2449 | *pend = 0; |
2506 | *pend = 0; |
2450 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2507 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2451 | } |
2508 | } |
2452 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2509 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2453 | } |
2510 | } |
2454 | } |
2511 | } |
2455 | else |
|
|
2456 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2457 | |
2512 | |
2458 | if (w->wd >= 0) |
2513 | if (w->wd >= 0) |
|
|
2514 | { |
2459 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2515 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2516 | |
|
|
2517 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2518 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2519 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2520 | struct statfs sfs; |
|
|
2521 | |
|
|
2522 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2523 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2524 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2525 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2526 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2527 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2528 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2529 | return; |
|
|
2530 | |
|
|
2531 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2532 | ev_timer_again (EV_A_ &w->timer); |
|
|
2533 | } |
2460 | } |
2534 | } |
2461 | |
2535 | |
2462 | static void noinline |
2536 | static void noinline |
2463 | infy_del (EV_P_ ev_stat *w) |
2537 | infy_del (EV_P_ ev_stat *w) |
2464 | { |
2538 | { |
… | |
… | |
2494 | |
2568 | |
2495 | if (w->wd == wd || wd == -1) |
2569 | if (w->wd == wd || wd == -1) |
2496 | { |
2570 | { |
2497 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2571 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2498 | { |
2572 | { |
|
|
2573 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2499 | w->wd = -1; |
2574 | w->wd = -1; |
2500 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2575 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2501 | } |
2576 | } |
2502 | |
2577 | |
2503 | stat_timer_cb (EV_A_ &w->timer, 0); |
2578 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2517 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2592 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2518 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2593 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2519 | } |
2594 | } |
2520 | |
2595 | |
2521 | void inline_size |
2596 | void inline_size |
2522 | infy_init (EV_P) |
2597 | check_2625 (EV_P) |
2523 | { |
2598 | { |
2524 | if (fs_fd != -2) |
|
|
2525 | return; |
|
|
2526 | |
|
|
2527 | /* kernels < 2.6.25 are borked |
2599 | /* kernels < 2.6.25 are borked |
2528 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2600 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2529 | */ |
2601 | */ |
2530 | { |
|
|
2531 | struct utsname buf; |
2602 | struct utsname buf; |
2532 | int major, minor, micro; |
2603 | int major, minor, micro; |
2533 | |
2604 | |
2534 | fs_fd = -1; |
|
|
2535 | |
|
|
2536 | if (uname (&buf)) |
2605 | if (uname (&buf)) |
2537 | return; |
2606 | return; |
2538 | |
2607 | |
2539 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2608 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2540 | return; |
2609 | return; |
2541 | |
2610 | |
2542 | if (major < 2 |
2611 | if (major < 2 |
2543 | || (major == 2 && minor < 6) |
2612 | || (major == 2 && minor < 6) |
2544 | || (major == 2 && minor == 6 && micro < 25)) |
2613 | || (major == 2 && minor == 6 && micro < 25)) |
2545 | return; |
2614 | return; |
2546 | } |
2615 | |
|
|
2616 | fs_2625 = 1; |
|
|
2617 | } |
|
|
2618 | |
|
|
2619 | void inline_size |
|
|
2620 | infy_init (EV_P) |
|
|
2621 | { |
|
|
2622 | if (fs_fd != -2) |
|
|
2623 | return; |
|
|
2624 | |
|
|
2625 | fs_fd = -1; |
|
|
2626 | |
|
|
2627 | check_2625 (EV_A); |
2547 | |
2628 | |
2548 | fs_fd = inotify_init (); |
2629 | fs_fd = inotify_init (); |
2549 | |
2630 | |
2550 | if (fs_fd >= 0) |
2631 | if (fs_fd >= 0) |
2551 | { |
2632 | { |
… | |
… | |
2579 | w->wd = -1; |
2660 | w->wd = -1; |
2580 | |
2661 | |
2581 | if (fs_fd >= 0) |
2662 | if (fs_fd >= 0) |
2582 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2663 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2583 | else |
2664 | else |
2584 | ev_timer_start (EV_A_ &w->timer); |
2665 | ev_timer_again (EV_A_ &w->timer); |
2585 | } |
2666 | } |
2586 | } |
2667 | } |
2587 | } |
2668 | } |
2588 | |
2669 | |
2589 | #endif |
2670 | #endif |
… | |
… | |
2644 | ev_stat_start (EV_P_ ev_stat *w) |
2725 | ev_stat_start (EV_P_ ev_stat *w) |
2645 | { |
2726 | { |
2646 | if (expect_false (ev_is_active (w))) |
2727 | if (expect_false (ev_is_active (w))) |
2647 | return; |
2728 | return; |
2648 | |
2729 | |
2649 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2650 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2651 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2652 | |
|
|
2653 | ev_stat_stat (EV_A_ w); |
2730 | ev_stat_stat (EV_A_ w); |
2654 | |
2731 | |
|
|
2732 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2655 | if (w->interval < MIN_STAT_INTERVAL) |
2733 | w->interval = MIN_STAT_INTERVAL; |
2656 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2657 | |
2734 | |
2658 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2735 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2659 | ev_set_priority (&w->timer, ev_priority (w)); |
2736 | ev_set_priority (&w->timer, ev_priority (w)); |
2660 | |
2737 | |
2661 | #if EV_USE_INOTIFY |
2738 | #if EV_USE_INOTIFY |
2662 | infy_init (EV_A); |
2739 | infy_init (EV_A); |
2663 | |
2740 | |
2664 | if (fs_fd >= 0) |
2741 | if (fs_fd >= 0) |
2665 | infy_add (EV_A_ w); |
2742 | infy_add (EV_A_ w); |
2666 | else |
2743 | else |
2667 | #endif |
2744 | #endif |
2668 | ev_timer_start (EV_A_ &w->timer); |
2745 | ev_timer_again (EV_A_ &w->timer); |
2669 | |
2746 | |
2670 | ev_start (EV_A_ (W)w, 1); |
2747 | ev_start (EV_A_ (W)w, 1); |
2671 | |
2748 | |
2672 | EV_FREQUENT_CHECK; |
2749 | EV_FREQUENT_CHECK; |
2673 | } |
2750 | } |
… | |
… | |
2848 | static void |
2925 | static void |
2849 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2926 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2850 | { |
2927 | { |
2851 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2928 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2852 | |
2929 | |
|
|
2930 | ev_embed_stop (EV_A_ w); |
|
|
2931 | |
2853 | { |
2932 | { |
2854 | struct ev_loop *loop = w->other; |
2933 | struct ev_loop *loop = w->other; |
2855 | |
2934 | |
2856 | ev_loop_fork (EV_A); |
2935 | ev_loop_fork (EV_A); |
|
|
2936 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2857 | } |
2937 | } |
|
|
2938 | |
|
|
2939 | ev_embed_start (EV_A_ w); |
2858 | } |
2940 | } |
2859 | |
2941 | |
2860 | #if 0 |
2942 | #if 0 |
2861 | static void |
2943 | static void |
2862 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2944 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2871 | if (expect_false (ev_is_active (w))) |
2953 | if (expect_false (ev_is_active (w))) |
2872 | return; |
2954 | return; |
2873 | |
2955 | |
2874 | { |
2956 | { |
2875 | struct ev_loop *loop = w->other; |
2957 | struct ev_loop *loop = w->other; |
2876 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2958 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2877 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2959 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2878 | } |
2960 | } |
2879 | |
2961 | |
2880 | EV_FREQUENT_CHECK; |
2962 | EV_FREQUENT_CHECK; |
2881 | |
2963 | |
… | |
… | |
3064 | ev_timer_set (&once->to, timeout, 0.); |
3146 | ev_timer_set (&once->to, timeout, 0.); |
3065 | ev_timer_start (EV_A_ &once->to); |
3147 | ev_timer_start (EV_A_ &once->to); |
3066 | } |
3148 | } |
3067 | } |
3149 | } |
3068 | |
3150 | |
|
|
3151 | /*****************************************************************************/ |
|
|
3152 | |
|
|
3153 | #if 0 |
|
|
3154 | void |
|
|
3155 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3156 | { |
|
|
3157 | int i, j; |
|
|
3158 | ev_watcher_list *wl, *wn; |
|
|
3159 | |
|
|
3160 | if (types & (EV_IO | EV_EMBED)) |
|
|
3161 | for (i = 0; i < anfdmax; ++i) |
|
|
3162 | for (wl = anfds [i].head; wl; ) |
|
|
3163 | { |
|
|
3164 | wn = wl->next; |
|
|
3165 | |
|
|
3166 | #if EV_EMBED_ENABLE |
|
|
3167 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3168 | { |
|
|
3169 | if (types & EV_EMBED) |
|
|
3170 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3171 | } |
|
|
3172 | else |
|
|
3173 | #endif |
|
|
3174 | #if EV_USE_INOTIFY |
|
|
3175 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3176 | ; |
|
|
3177 | else |
|
|
3178 | #endif |
|
|
3179 | if ((ev_io *)wl != &pipeev) |
|
|
3180 | if (types & EV_IO) |
|
|
3181 | cb (EV_A_ EV_IO, wl); |
|
|
3182 | |
|
|
3183 | wl = wn; |
|
|
3184 | } |
|
|
3185 | |
|
|
3186 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3187 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3188 | #if EV_STAT_ENABLE |
|
|
3189 | /*TODO: timer is not always active*/ |
|
|
3190 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3191 | { |
|
|
3192 | if (types & EV_STAT) |
|
|
3193 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3194 | } |
|
|
3195 | else |
|
|
3196 | #endif |
|
|
3197 | if (types & EV_TIMER) |
|
|
3198 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3199 | |
|
|
3200 | #if EV_PERIODIC_ENABLE |
|
|
3201 | if (types & EV_PERIODIC) |
|
|
3202 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3203 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3204 | #endif |
|
|
3205 | |
|
|
3206 | #if EV_IDLE_ENABLE |
|
|
3207 | if (types & EV_IDLE) |
|
|
3208 | for (j = NUMPRI; i--; ) |
|
|
3209 | for (i = idlecnt [j]; i--; ) |
|
|
3210 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3211 | #endif |
|
|
3212 | |
|
|
3213 | #if EV_FORK_ENABLE |
|
|
3214 | if (types & EV_FORK) |
|
|
3215 | for (i = forkcnt; i--; ) |
|
|
3216 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3217 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3218 | #endif |
|
|
3219 | |
|
|
3220 | #if EV_ASYNC_ENABLE |
|
|
3221 | if (types & EV_ASYNC) |
|
|
3222 | for (i = asynccnt; i--; ) |
|
|
3223 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3224 | #endif |
|
|
3225 | |
|
|
3226 | if (types & EV_PREPARE) |
|
|
3227 | for (i = preparecnt; i--; ) |
|
|
3228 | #if EV_EMBED_ENABLE |
|
|
3229 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3230 | #endif |
|
|
3231 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3232 | |
|
|
3233 | if (types & EV_CHECK) |
|
|
3234 | for (i = checkcnt; i--; ) |
|
|
3235 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3236 | |
|
|
3237 | if (types & EV_SIGNAL) |
|
|
3238 | for (i = 0; i < signalmax; ++i) |
|
|
3239 | for (wl = signals [i].head; wl; ) |
|
|
3240 | { |
|
|
3241 | wn = wl->next; |
|
|
3242 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3243 | wl = wn; |
|
|
3244 | } |
|
|
3245 | |
|
|
3246 | if (types & EV_CHILD) |
|
|
3247 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3248 | for (wl = childs [i]; wl; ) |
|
|
3249 | { |
|
|
3250 | wn = wl->next; |
|
|
3251 | cb (EV_A_ EV_CHILD, wl); |
|
|
3252 | wl = wn; |
|
|
3253 | } |
|
|
3254 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3255 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3256 | } |
|
|
3257 | #endif |
|
|
3258 | |
3069 | #if EV_MULTIPLICITY |
3259 | #if EV_MULTIPLICITY |
3070 | #include "ev_wrap.h" |
3260 | #include "ev_wrap.h" |
3071 | #endif |
3261 | #endif |
3072 | |
3262 | |
3073 | #ifdef __cplusplus |
3263 | #ifdef __cplusplus |