… | |
… | |
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 |
… | |
… | |
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 */ |
|
|
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 |
167 | |
188 | |
168 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
169 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
170 | # define EV_USE_MONOTONIC 1 |
191 | # define EV_USE_MONOTONIC 1 |
171 | # else |
192 | # else |
… | |
… | |
285 | # include <sys/select.h> |
306 | # include <sys/select.h> |
286 | # endif |
307 | # endif |
287 | #endif |
308 | #endif |
288 | |
309 | |
289 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
290 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
|
|
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
315 | # ifndef IN_DONT_FOLLOW |
|
|
316 | # undef EV_USE_INOTIFY |
|
|
317 | # define EV_USE_INOTIFY 0 |
|
|
318 | # endif |
291 | #endif |
319 | #endif |
292 | |
320 | |
293 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
294 | # 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 |
295 | #endif |
332 | #endif |
296 | |
333 | |
297 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
298 | /* 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 */ |
299 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
381 | { |
418 | { |
382 | syserr_cb = cb; |
419 | syserr_cb = cb; |
383 | } |
420 | } |
384 | |
421 | |
385 | static void noinline |
422 | static void noinline |
386 | syserr (const char *msg) |
423 | ev_syserr (const char *msg) |
387 | { |
424 | { |
388 | if (!msg) |
425 | if (!msg) |
389 | msg = "(libev) system error"; |
426 | msg = "(libev) system error"; |
390 | |
427 | |
391 | if (syserr_cb) |
428 | if (syserr_cb) |
… | |
… | |
442 | typedef struct |
479 | typedef struct |
443 | { |
480 | { |
444 | WL head; |
481 | WL head; |
445 | unsigned char events; |
482 | unsigned char events; |
446 | unsigned char reify; |
483 | unsigned char reify; |
|
|
484 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
485 | unsigned char unused; |
|
|
486 | #if EV_USE_EPOLL |
|
|
487 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
488 | #endif |
447 | #if EV_SELECT_IS_WINSOCKET |
489 | #if EV_SELECT_IS_WINSOCKET |
448 | SOCKET handle; |
490 | SOCKET handle; |
449 | #endif |
491 | #endif |
450 | } ANFD; |
492 | } ANFD; |
451 | |
493 | |
… | |
… | |
564 | struct timeval tv; |
606 | struct timeval tv; |
565 | |
607 | |
566 | tv.tv_sec = (time_t)delay; |
608 | tv.tv_sec = (time_t)delay; |
567 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
609 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
568 | |
610 | |
|
|
611 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
612 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
613 | /* by older ones */ |
569 | select (0, 0, 0, 0, &tv); |
614 | select (0, 0, 0, 0, &tv); |
570 | #endif |
615 | #endif |
571 | } |
616 | } |
572 | } |
617 | } |
573 | |
618 | |
… | |
… | |
600 | array_realloc (int elem, void *base, int *cur, int cnt) |
645 | array_realloc (int elem, void *base, int *cur, int cnt) |
601 | { |
646 | { |
602 | *cur = array_nextsize (elem, *cur, cnt); |
647 | *cur = array_nextsize (elem, *cur, cnt); |
603 | return ev_realloc (base, elem * *cur); |
648 | return ev_realloc (base, elem * *cur); |
604 | } |
649 | } |
|
|
650 | |
|
|
651 | #define array_init_zero(base,count) \ |
|
|
652 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
605 | |
653 | |
606 | #define array_needsize(type,base,cur,cnt,init) \ |
654 | #define array_needsize(type,base,cur,cnt,init) \ |
607 | if (expect_false ((cnt) > (cur))) \ |
655 | if (expect_false ((cnt) > (cur))) \ |
608 | { \ |
656 | { \ |
609 | int ocur_ = (cur); \ |
657 | int ocur_ = (cur); \ |
… | |
… | |
652 | for (i = 0; i < eventcnt; ++i) |
700 | for (i = 0; i < eventcnt; ++i) |
653 | ev_feed_event (EV_A_ events [i], type); |
701 | ev_feed_event (EV_A_ events [i], type); |
654 | } |
702 | } |
655 | |
703 | |
656 | /*****************************************************************************/ |
704 | /*****************************************************************************/ |
657 | |
|
|
658 | void inline_size |
|
|
659 | anfds_init (ANFD *base, int count) |
|
|
660 | { |
|
|
661 | while (count--) |
|
|
662 | { |
|
|
663 | base->head = 0; |
|
|
664 | base->events = EV_NONE; |
|
|
665 | base->reify = 0; |
|
|
666 | |
|
|
667 | ++base; |
|
|
668 | } |
|
|
669 | } |
|
|
670 | |
705 | |
671 | void inline_speed |
706 | void inline_speed |
672 | fd_event (EV_P_ int fd, int revents) |
707 | fd_event (EV_P_ int fd, int revents) |
673 | { |
708 | { |
674 | ANFD *anfd = anfds + fd; |
709 | ANFD *anfd = anfds + fd; |
… | |
… | |
804 | |
839 | |
805 | for (fd = 0; fd < anfdmax; ++fd) |
840 | for (fd = 0; fd < anfdmax; ++fd) |
806 | if (anfds [fd].events) |
841 | if (anfds [fd].events) |
807 | { |
842 | { |
808 | anfds [fd].events = 0; |
843 | anfds [fd].events = 0; |
|
|
844 | anfds [fd].emask = 0; |
809 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
845 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
810 | } |
846 | } |
811 | } |
847 | } |
812 | |
848 | |
813 | /*****************************************************************************/ |
849 | /*****************************************************************************/ |
… | |
… | |
965 | static ANSIG *signals; |
1001 | static ANSIG *signals; |
966 | static int signalmax; |
1002 | static int signalmax; |
967 | |
1003 | |
968 | static EV_ATOMIC_T gotsig; |
1004 | static EV_ATOMIC_T gotsig; |
969 | |
1005 | |
970 | void inline_size |
|
|
971 | signals_init (ANSIG *base, int count) |
|
|
972 | { |
|
|
973 | while (count--) |
|
|
974 | { |
|
|
975 | base->head = 0; |
|
|
976 | base->gotsig = 0; |
|
|
977 | |
|
|
978 | ++base; |
|
|
979 | } |
|
|
980 | } |
|
|
981 | |
|
|
982 | /*****************************************************************************/ |
1006 | /*****************************************************************************/ |
983 | |
1007 | |
984 | void inline_speed |
1008 | void inline_speed |
985 | fd_intern (int fd) |
1009 | fd_intern (int fd) |
986 | { |
1010 | { |
… | |
… | |
1007 | } |
1031 | } |
1008 | else |
1032 | else |
1009 | #endif |
1033 | #endif |
1010 | { |
1034 | { |
1011 | while (pipe (evpipe)) |
1035 | while (pipe (evpipe)) |
1012 | syserr ("(libev) error creating signal/async pipe"); |
1036 | ev_syserr ("(libev) error creating signal/async pipe"); |
1013 | |
1037 | |
1014 | fd_intern (evpipe [0]); |
1038 | fd_intern (evpipe [0]); |
1015 | fd_intern (evpipe [1]); |
1039 | fd_intern (evpipe [1]); |
1016 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1040 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1017 | } |
1041 | } |
… | |
… | |
1507 | { |
1531 | { |
1508 | postfork = 1; /* must be in line with ev_default_fork */ |
1532 | postfork = 1; /* must be in line with ev_default_fork */ |
1509 | } |
1533 | } |
1510 | |
1534 | |
1511 | #if EV_VERIFY |
1535 | #if EV_VERIFY |
1512 | void noinline |
1536 | static void noinline |
1513 | verify_watcher (EV_P_ W w) |
1537 | verify_watcher (EV_P_ W w) |
1514 | { |
1538 | { |
1515 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1539 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1516 | |
1540 | |
1517 | if (w->pending) |
1541 | if (w->pending) |
… | |
… | |
1648 | { |
1672 | { |
1649 | #if EV_MULTIPLICITY |
1673 | #if EV_MULTIPLICITY |
1650 | struct ev_loop *loop = ev_default_loop_ptr; |
1674 | struct ev_loop *loop = ev_default_loop_ptr; |
1651 | #endif |
1675 | #endif |
1652 | |
1676 | |
|
|
1677 | ev_default_loop_ptr = 0; |
|
|
1678 | |
1653 | #ifndef _WIN32 |
1679 | #ifndef _WIN32 |
1654 | ev_ref (EV_A); /* child watcher */ |
1680 | ev_ref (EV_A); /* child watcher */ |
1655 | ev_signal_stop (EV_A_ &childev); |
1681 | ev_signal_stop (EV_A_ &childev); |
1656 | #endif |
1682 | #endif |
1657 | |
1683 | |
… | |
… | |
1663 | { |
1689 | { |
1664 | #if EV_MULTIPLICITY |
1690 | #if EV_MULTIPLICITY |
1665 | struct ev_loop *loop = ev_default_loop_ptr; |
1691 | struct ev_loop *loop = ev_default_loop_ptr; |
1666 | #endif |
1692 | #endif |
1667 | |
1693 | |
1668 | if (backend) |
|
|
1669 | postfork = 1; /* must be in line with ev_loop_fork */ |
1694 | postfork = 1; /* must be in line with ev_loop_fork */ |
1670 | } |
1695 | } |
1671 | |
1696 | |
1672 | /*****************************************************************************/ |
1697 | /*****************************************************************************/ |
1673 | |
1698 | |
1674 | void |
1699 | void |
… | |
… | |
1905 | ev_unref (EV_P) |
1930 | ev_unref (EV_P) |
1906 | { |
1931 | { |
1907 | --activecnt; |
1932 | --activecnt; |
1908 | } |
1933 | } |
1909 | |
1934 | |
|
|
1935 | void |
|
|
1936 | ev_now_update (EV_P) |
|
|
1937 | { |
|
|
1938 | time_update (EV_A_ 1e100); |
|
|
1939 | } |
|
|
1940 | |
1910 | static int loop_done; |
1941 | static int loop_done; |
1911 | |
1942 | |
1912 | void |
1943 | void |
1913 | ev_loop (EV_P_ int flags) |
1944 | ev_loop (EV_P_ int flags) |
1914 | { |
1945 | { |
… | |
… | |
2123 | |
2154 | |
2124 | if (expect_false (ev_is_active (w))) |
2155 | if (expect_false (ev_is_active (w))) |
2125 | return; |
2156 | return; |
2126 | |
2157 | |
2127 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2158 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2159 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2128 | |
2160 | |
2129 | EV_FREQUENT_CHECK; |
2161 | EV_FREQUENT_CHECK; |
2130 | |
2162 | |
2131 | ev_start (EV_A_ (W)w, 1); |
2163 | ev_start (EV_A_ (W)w, 1); |
2132 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2164 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2133 | wlist_add (&anfds[fd].head, (WL)w); |
2165 | wlist_add (&anfds[fd].head, (WL)w); |
2134 | |
2166 | |
2135 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2167 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2136 | w->events &= ~EV_IOFDSET; |
2168 | w->events &= ~EV_IOFDSET; |
2137 | |
2169 | |
… | |
… | |
2329 | sigset_t full, prev; |
2361 | sigset_t full, prev; |
2330 | sigfillset (&full); |
2362 | sigfillset (&full); |
2331 | sigprocmask (SIG_SETMASK, &full, &prev); |
2363 | sigprocmask (SIG_SETMASK, &full, &prev); |
2332 | #endif |
2364 | #endif |
2333 | |
2365 | |
2334 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2366 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2335 | |
2367 | |
2336 | #ifndef _WIN32 |
2368 | #ifndef _WIN32 |
2337 | sigprocmask (SIG_SETMASK, &prev, 0); |
2369 | sigprocmask (SIG_SETMASK, &prev, 0); |
2338 | #endif |
2370 | #endif |
2339 | } |
2371 | } |
… | |
… | |
2412 | # ifdef _WIN32 |
2444 | # ifdef _WIN32 |
2413 | # undef lstat |
2445 | # undef lstat |
2414 | # define lstat(a,b) _stati64 (a,b) |
2446 | # define lstat(a,b) _stati64 (a,b) |
2415 | # endif |
2447 | # endif |
2416 | |
2448 | |
2417 | #define DEF_STAT_INTERVAL 5.0074891 |
2449 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2450 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2418 | #define MIN_STAT_INTERVAL 0.1074891 |
2451 | #define MIN_STAT_INTERVAL 0.1074891 |
2419 | |
2452 | |
2420 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2453 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2421 | |
2454 | |
2422 | #if EV_USE_INOTIFY |
2455 | #if EV_USE_INOTIFY |
2423 | # define EV_INOTIFY_BUFSIZE 8192 |
2456 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2427 | { |
2460 | { |
2428 | 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); |
2461 | 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); |
2429 | |
2462 | |
2430 | if (w->wd < 0) |
2463 | if (w->wd < 0) |
2431 | { |
2464 | { |
|
|
2465 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2432 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2466 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2433 | |
2467 | |
2434 | /* monitor some parent directory for speedup hints */ |
2468 | /* monitor some parent directory for speedup hints */ |
2435 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2469 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2436 | /* but an efficiency issue only */ |
2470 | /* but an efficiency issue only */ |
2437 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2471 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2438 | { |
2472 | { |
2439 | char path [4096]; |
2473 | char path [4096]; |
2440 | strcpy (path, w->path); |
2474 | strcpy (path, w->path); |
… | |
… | |
2454 | } |
2488 | } |
2455 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2489 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2456 | } |
2490 | } |
2457 | } |
2491 | } |
2458 | else |
2492 | else |
2459 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
2493 | { |
2460 | |
|
|
2461 | if (w->wd >= 0) |
|
|
2462 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2494 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2495 | |
|
|
2496 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2497 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2498 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2499 | struct statfs sfs; |
|
|
2500 | |
|
|
2501 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2502 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2503 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2504 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2505 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2506 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2507 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2508 | return; |
|
|
2509 | |
|
|
2510 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2511 | ev_timer_again (EV_A_ &w->timer); |
|
|
2512 | } |
2463 | } |
2513 | } |
2464 | |
2514 | |
2465 | static void noinline |
2515 | static void noinline |
2466 | infy_del (EV_P_ ev_stat *w) |
2516 | infy_del (EV_P_ ev_stat *w) |
2467 | { |
2517 | { |
… | |
… | |
2481 | |
2531 | |
2482 | static void noinline |
2532 | static void noinline |
2483 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2533 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2484 | { |
2534 | { |
2485 | if (slot < 0) |
2535 | if (slot < 0) |
2486 | /* overflow, need to check for all hahs slots */ |
2536 | /* overflow, need to check for all hash slots */ |
2487 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2537 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2488 | infy_wd (EV_A_ slot, wd, ev); |
2538 | infy_wd (EV_A_ slot, wd, ev); |
2489 | else |
2539 | else |
2490 | { |
2540 | { |
2491 | WL w_; |
2541 | WL w_; |
… | |
… | |
2520 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2570 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2521 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2571 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2522 | } |
2572 | } |
2523 | |
2573 | |
2524 | void inline_size |
2574 | void inline_size |
|
|
2575 | check_2625 (EV_P) |
|
|
2576 | { |
|
|
2577 | /* kernels < 2.6.25 are borked |
|
|
2578 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2579 | */ |
|
|
2580 | struct utsname buf; |
|
|
2581 | int major, minor, micro; |
|
|
2582 | |
|
|
2583 | if (uname (&buf)) |
|
|
2584 | return; |
|
|
2585 | |
|
|
2586 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2587 | return; |
|
|
2588 | |
|
|
2589 | if (major < 2 |
|
|
2590 | || (major == 2 && minor < 6) |
|
|
2591 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2592 | return; |
|
|
2593 | |
|
|
2594 | fs_2625 = 1; |
|
|
2595 | } |
|
|
2596 | |
|
|
2597 | void inline_size |
2525 | infy_init (EV_P) |
2598 | infy_init (EV_P) |
2526 | { |
2599 | { |
2527 | if (fs_fd != -2) |
2600 | if (fs_fd != -2) |
2528 | return; |
2601 | return; |
|
|
2602 | |
|
|
2603 | fs_fd = -1; |
|
|
2604 | |
|
|
2605 | check_2625 (EV_A); |
2529 | |
2606 | |
2530 | fs_fd = inotify_init (); |
2607 | fs_fd = inotify_init (); |
2531 | |
2608 | |
2532 | if (fs_fd >= 0) |
2609 | if (fs_fd >= 0) |
2533 | { |
2610 | { |
… | |
… | |
2561 | w->wd = -1; |
2638 | w->wd = -1; |
2562 | |
2639 | |
2563 | if (fs_fd >= 0) |
2640 | if (fs_fd >= 0) |
2564 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2641 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2565 | else |
2642 | else |
2566 | ev_timer_start (EV_A_ &w->timer); |
2643 | ev_timer_again (EV_A_ &w->timer); |
2567 | } |
2644 | } |
2568 | |
|
|
2569 | } |
2645 | } |
2570 | } |
2646 | } |
2571 | |
2647 | |
2572 | #endif |
2648 | #endif |
2573 | |
2649 | |
… | |
… | |
2609 | || w->prev.st_atime != w->attr.st_atime |
2685 | || w->prev.st_atime != w->attr.st_atime |
2610 | || w->prev.st_mtime != w->attr.st_mtime |
2686 | || w->prev.st_mtime != w->attr.st_mtime |
2611 | || w->prev.st_ctime != w->attr.st_ctime |
2687 | || w->prev.st_ctime != w->attr.st_ctime |
2612 | ) { |
2688 | ) { |
2613 | #if EV_USE_INOTIFY |
2689 | #if EV_USE_INOTIFY |
|
|
2690 | if (fs_fd >= 0) |
|
|
2691 | { |
2614 | infy_del (EV_A_ w); |
2692 | infy_del (EV_A_ w); |
2615 | infy_add (EV_A_ w); |
2693 | infy_add (EV_A_ w); |
2616 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2694 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2695 | } |
2617 | #endif |
2696 | #endif |
2618 | |
2697 | |
2619 | ev_feed_event (EV_A_ w, EV_STAT); |
2698 | ev_feed_event (EV_A_ w, EV_STAT); |
2620 | } |
2699 | } |
2621 | } |
2700 | } |
… | |
… | |
2624 | ev_stat_start (EV_P_ ev_stat *w) |
2703 | ev_stat_start (EV_P_ ev_stat *w) |
2625 | { |
2704 | { |
2626 | if (expect_false (ev_is_active (w))) |
2705 | if (expect_false (ev_is_active (w))) |
2627 | return; |
2706 | return; |
2628 | |
2707 | |
2629 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2630 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2631 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2632 | |
|
|
2633 | ev_stat_stat (EV_A_ w); |
2708 | ev_stat_stat (EV_A_ w); |
2634 | |
2709 | |
|
|
2710 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2635 | if (w->interval < MIN_STAT_INTERVAL) |
2711 | w->interval = MIN_STAT_INTERVAL; |
2636 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2637 | |
2712 | |
2638 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2713 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2639 | ev_set_priority (&w->timer, ev_priority (w)); |
2714 | ev_set_priority (&w->timer, ev_priority (w)); |
2640 | |
2715 | |
2641 | #if EV_USE_INOTIFY |
2716 | #if EV_USE_INOTIFY |
2642 | infy_init (EV_A); |
2717 | infy_init (EV_A); |
2643 | |
2718 | |
2644 | if (fs_fd >= 0) |
2719 | if (fs_fd >= 0) |
2645 | infy_add (EV_A_ w); |
2720 | infy_add (EV_A_ w); |
2646 | else |
2721 | else |
2647 | #endif |
2722 | #endif |
2648 | ev_timer_start (EV_A_ &w->timer); |
2723 | ev_timer_again (EV_A_ &w->timer); |
2649 | |
2724 | |
2650 | ev_start (EV_A_ (W)w, 1); |
2725 | ev_start (EV_A_ (W)w, 1); |
2651 | |
2726 | |
2652 | EV_FREQUENT_CHECK; |
2727 | EV_FREQUENT_CHECK; |
2653 | } |
2728 | } |
… | |
… | |
2823 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2898 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2824 | } |
2899 | } |
2825 | } |
2900 | } |
2826 | } |
2901 | } |
2827 | |
2902 | |
|
|
2903 | static void |
|
|
2904 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2905 | { |
|
|
2906 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2907 | |
|
|
2908 | { |
|
|
2909 | struct ev_loop *loop = w->other; |
|
|
2910 | |
|
|
2911 | ev_loop_fork (EV_A); |
|
|
2912 | } |
|
|
2913 | } |
|
|
2914 | |
2828 | #if 0 |
2915 | #if 0 |
2829 | static void |
2916 | static void |
2830 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2917 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2831 | { |
2918 | { |
2832 | ev_idle_stop (EV_A_ idle); |
2919 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2852 | |
2939 | |
2853 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2940 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2854 | ev_set_priority (&w->prepare, EV_MINPRI); |
2941 | ev_set_priority (&w->prepare, EV_MINPRI); |
2855 | ev_prepare_start (EV_A_ &w->prepare); |
2942 | ev_prepare_start (EV_A_ &w->prepare); |
2856 | |
2943 | |
|
|
2944 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2945 | ev_fork_start (EV_A_ &w->fork); |
|
|
2946 | |
2857 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2947 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2858 | |
2948 | |
2859 | ev_start (EV_A_ (W)w, 1); |
2949 | ev_start (EV_A_ (W)w, 1); |
2860 | |
2950 | |
2861 | EV_FREQUENT_CHECK; |
2951 | EV_FREQUENT_CHECK; |
… | |
… | |
2868 | if (expect_false (!ev_is_active (w))) |
2958 | if (expect_false (!ev_is_active (w))) |
2869 | return; |
2959 | return; |
2870 | |
2960 | |
2871 | EV_FREQUENT_CHECK; |
2961 | EV_FREQUENT_CHECK; |
2872 | |
2962 | |
2873 | ev_io_stop (EV_A_ &w->io); |
2963 | ev_io_stop (EV_A_ &w->io); |
2874 | ev_prepare_stop (EV_A_ &w->prepare); |
2964 | ev_prepare_stop (EV_A_ &w->prepare); |
2875 | |
2965 | ev_fork_stop (EV_A_ &w->fork); |
2876 | ev_stop (EV_A_ (W)w); |
|
|
2877 | |
2966 | |
2878 | EV_FREQUENT_CHECK; |
2967 | EV_FREQUENT_CHECK; |
2879 | } |
2968 | } |
2880 | #endif |
2969 | #endif |
2881 | |
2970 | |
… | |
… | |
2978 | once_cb (EV_P_ struct ev_once *once, int revents) |
3067 | once_cb (EV_P_ struct ev_once *once, int revents) |
2979 | { |
3068 | { |
2980 | void (*cb)(int revents, void *arg) = once->cb; |
3069 | void (*cb)(int revents, void *arg) = once->cb; |
2981 | void *arg = once->arg; |
3070 | void *arg = once->arg; |
2982 | |
3071 | |
2983 | ev_io_stop (EV_A_ &once->io); |
3072 | ev_io_stop (EV_A_ &once->io); |
2984 | ev_timer_stop (EV_A_ &once->to); |
3073 | ev_timer_stop (EV_A_ &once->to); |
2985 | ev_free (once); |
3074 | ev_free (once); |
2986 | |
3075 | |
2987 | cb (revents, arg); |
3076 | cb (revents, arg); |
2988 | } |
3077 | } |
2989 | |
3078 | |
2990 | static void |
3079 | static void |
2991 | once_cb_io (EV_P_ ev_io *w, int revents) |
3080 | once_cb_io (EV_P_ ev_io *w, int revents) |
2992 | { |
3081 | { |
2993 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3082 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3083 | |
|
|
3084 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2994 | } |
3085 | } |
2995 | |
3086 | |
2996 | static void |
3087 | static void |
2997 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3088 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2998 | { |
3089 | { |
2999 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3090 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3091 | |
|
|
3092 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3000 | } |
3093 | } |
3001 | |
3094 | |
3002 | void |
3095 | void |
3003 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3096 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3004 | { |
3097 | { |