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Comparing libev/ev.c (file contents):
Revision 1.256 by root, Thu Jun 19 06:53:49 2008 UTC vs.
Revision 1.278 by root, Tue Jan 6 19:46:56 2009 UTC

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
… …
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
… …
286# include <sys/select.h> 306# include <sys/select.h>
287# endif 307# endif
288#endif 308#endif
289 309
290#if EV_USE_INOTIFY 310#if EV_USE_INOTIFY
311# include <sys/utsname.h>
312# include <sys/statfs.h>
291# 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
292#endif 319#endif
293 320
294#if EV_SELECT_IS_WINSOCKET 321#if EV_SELECT_IS_WINSOCKET
295# 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
296#endif 332#endif
297 333
298#if EV_USE_EVENTFD 334#if EV_USE_EVENTFD
299/* 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 */
300# include <stdint.h> 336# include <stdint.h>
… …
382{ 418{
383 syserr_cb = cb; 419 syserr_cb = cb;
384} 420}
385 421
386static void noinline 422static void noinline
387syserr (const char *msg) 423ev_syserr (const char *msg)
388{ 424{
389 if (!msg) 425 if (!msg)
390 msg = "(libev) system error"; 426 msg = "(libev) system error";
391 427
392 if (syserr_cb) 428 if (syserr_cb)
… …
443typedef struct 479typedef struct
444{ 480{
445 WL head; 481 WL head;
446 unsigned char events; 482 unsigned char events;
447 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
448#if EV_SELECT_IS_WINSOCKET 489#if EV_SELECT_IS_WINSOCKET
449 SOCKET handle; 490 SOCKET handle;
450#endif 491#endif
451} ANFD; 492} ANFD;
452 493
… …
565 struct timeval tv; 606 struct timeval tv;
566 607
567 tv.tv_sec = (time_t)delay; 608 tv.tv_sec = (time_t)delay;
568 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); 609 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
569 610
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 */
570 select (0, 0, 0, 0, &tv); 614 select (0, 0, 0, 0, &tv);
571#endif 615#endif
572 } 616 }
573} 617}
574 618
… …
601array_realloc (int elem, void *base, int *cur, int cnt) 645array_realloc (int elem, void *base, int *cur, int cnt)
602{ 646{
603 *cur = array_nextsize (elem, *cur, cnt); 647 *cur = array_nextsize (elem, *cur, cnt);
604 return ev_realloc (base, elem * *cur); 648 return ev_realloc (base, elem * *cur);
605} 649}
650
651#define array_init_zero(base,count) \
652 memset ((void *)(base), 0, sizeof (*(base)) * (count))
606 653
607#define array_needsize(type,base,cur,cnt,init) \ 654#define array_needsize(type,base,cur,cnt,init) \
608 if (expect_false ((cnt) > (cur))) \ 655 if (expect_false ((cnt) > (cur))) \
609 { \ 656 { \
610 int ocur_ = (cur); \ 657 int ocur_ = (cur); \
… …
653 for (i = 0; i < eventcnt; ++i) 700 for (i = 0; i < eventcnt; ++i)
654 ev_feed_event (EV_A_ events [i], type); 701 ev_feed_event (EV_A_ events [i], type);
655} 702}
656 703
657/*****************************************************************************/ 704/*****************************************************************************/
658
659void inline_size
660anfds_init (ANFD *base, int count)
661{
662 while (count--)
663 {
664 base->head = 0;
665 base->events = EV_NONE;
666 base->reify = 0;
667
668 ++base;
669 }
670}
671 705
672void inline_speed 706void inline_speed
673fd_event (EV_P_ int fd, int revents) 707fd_event (EV_P_ int fd, int revents)
674{ 708{
675 ANFD *anfd = anfds + fd; 709 ANFD *anfd = anfds + fd;
… …
714 #ifdef EV_FD_TO_WIN32_HANDLE 748 #ifdef EV_FD_TO_WIN32_HANDLE
715 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 749 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
716 #else 750 #else
717 anfd->handle = _get_osfhandle (fd); 751 anfd->handle = _get_osfhandle (fd);
718 #endif 752 #endif
719 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 753 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
720 } 754 }
721#endif 755#endif
722 756
723 { 757 {
724 unsigned char o_events = anfd->events; 758 unsigned char o_events = anfd->events;
… …
805 839
806 for (fd = 0; fd < anfdmax; ++fd) 840 for (fd = 0; fd < anfdmax; ++fd)
807 if (anfds [fd].events) 841 if (anfds [fd].events)
808 { 842 {
809 anfds [fd].events = 0; 843 anfds [fd].events = 0;
844 anfds [fd].emask = 0;
810 fd_change (EV_A_ fd, EV_IOFDSET | 1); 845 fd_change (EV_A_ fd, EV_IOFDSET | 1);
811 } 846 }
812} 847}
813 848
814/*****************************************************************************/ 849/*****************************************************************************/
… …
966static ANSIG *signals; 1001static ANSIG *signals;
967static int signalmax; 1002static int signalmax;
968 1003
969static EV_ATOMIC_T gotsig; 1004static EV_ATOMIC_T gotsig;
970 1005
971void inline_size
972signals_init (ANSIG *base, int count)
973{
974 while (count--)
975 {
976 base->head = 0;
977 base->gotsig = 0;
978
979 ++base;
980 }
981}
982
983/*****************************************************************************/ 1006/*****************************************************************************/
984 1007
985void inline_speed 1008void inline_speed
986fd_intern (int fd) 1009fd_intern (int fd)
987{ 1010{
… …
1008 } 1031 }
1009 else 1032 else
1010#endif 1033#endif
1011 { 1034 {
1012 while (pipe (evpipe)) 1035 while (pipe (evpipe))
1013 syserr ("(libev) error creating signal/async pipe"); 1036 ev_syserr ("(libev) error creating signal/async pipe");
1014 1037
1015 fd_intern (evpipe [0]); 1038 fd_intern (evpipe [0]);
1016 fd_intern (evpipe [1]); 1039 fd_intern (evpipe [1]);
1017 ev_io_set (&pipeev, evpipe [0], EV_READ); 1040 ev_io_set (&pipeev, evpipe [0], EV_READ);
1018 } 1041 }
… …
1108ev_feed_signal_event (EV_P_ int signum) 1131ev_feed_signal_event (EV_P_ int signum)
1109{ 1132{
1110 WL w; 1133 WL w;
1111 1134
1112#if EV_MULTIPLICITY 1135#if EV_MULTIPLICITY
1113 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); 1136 assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
1114#endif 1137#endif
1115 1138
1116 --signum; 1139 --signum;
1117 1140
1118 if (signum < 0 || signum >= signalmax) 1141 if (signum < 0 || signum >= signalmax)
… …
1247 /* kqueue is borked on everything but netbsd apparently */ 1270 /* kqueue is borked on everything but netbsd apparently */
1248 /* it usually doesn't work correctly on anything but sockets and pipes */ 1271 /* it usually doesn't work correctly on anything but sockets and pipes */
1249 flags &= ~EVBACKEND_KQUEUE; 1272 flags &= ~EVBACKEND_KQUEUE;
1250#endif 1273#endif
1251#ifdef __APPLE__ 1274#ifdef __APPLE__
1252 // flags &= ~EVBACKEND_KQUEUE; for documentation 1275 /* only select works correctly on that "unix-certified" platform */
1253 flags &= ~EVBACKEND_POLL; 1276 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1277 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1254#endif 1278#endif
1255 1279
1256 return flags; 1280 return flags;
1257} 1281}
1258 1282
… …
1508{ 1532{
1509 postfork = 1; /* must be in line with ev_default_fork */ 1533 postfork = 1; /* must be in line with ev_default_fork */
1510} 1534}
1511 1535
1512#if EV_VERIFY 1536#if EV_VERIFY
1513void noinline 1537static void noinline
1514verify_watcher (EV_P_ W w) 1538verify_watcher (EV_P_ W w)
1515{ 1539{
1516 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 1540 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1517 1541
1518 if (w->pending) 1542 if (w->pending)
1519 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 1543 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1520} 1544}
1521 1545
1522static void noinline 1546static void noinline
1523verify_heap (EV_P_ ANHE *heap, int N) 1547verify_heap (EV_P_ ANHE *heap, int N)
1524{ 1548{
1525 int i; 1549 int i;
1526 1550
1527 for (i = HEAP0; i < N + HEAP0; ++i) 1551 for (i = HEAP0; i < N + HEAP0; ++i)
1528 { 1552 {
1529 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); 1553 assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1530 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); 1554 assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1531 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); 1555 assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1532 1556
1533 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 1557 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1534 } 1558 }
1535} 1559}
1536 1560
1537static void noinline 1561static void noinline
1538array_verify (EV_P_ W *ws, int cnt) 1562array_verify (EV_P_ W *ws, int cnt)
1539{ 1563{
1540 while (cnt--) 1564 while (cnt--)
1541 { 1565 {
1542 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 1566 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1543 verify_watcher (EV_A_ ws [cnt]); 1567 verify_watcher (EV_A_ ws [cnt]);
1544 } 1568 }
1545} 1569}
1546#endif 1570#endif
1547 1571
… …
1554 1578
1555 assert (activecnt >= -1); 1579 assert (activecnt >= -1);
1556 1580
1557 assert (fdchangemax >= fdchangecnt); 1581 assert (fdchangemax >= fdchangecnt);
1558 for (i = 0; i < fdchangecnt; ++i) 1582 for (i = 0; i < fdchangecnt; ++i)
1559 assert (("negative fd in fdchanges", fdchanges [i] >= 0)); 1583 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
1560 1584
1561 assert (anfdmax >= 0); 1585 assert (anfdmax >= 0);
1562 for (i = 0; i < anfdmax; ++i) 1586 for (i = 0; i < anfdmax; ++i)
1563 for (w = anfds [i].head; w; w = w->next) 1587 for (w = anfds [i].head; w; w = w->next)
1564 { 1588 {
1565 verify_watcher (EV_A_ (W)w); 1589 verify_watcher (EV_A_ (W)w);
1566 assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); 1590 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
1567 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 1591 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1568 } 1592 }
1569 1593
1570 assert (timermax >= timercnt); 1594 assert (timermax >= timercnt);
1571 verify_heap (EV_A_ timers, timercnt); 1595 verify_heap (EV_A_ timers, timercnt);
1572 1596
… …
1649{ 1673{
1650#if EV_MULTIPLICITY 1674#if EV_MULTIPLICITY
1651 struct ev_loop *loop = ev_default_loop_ptr; 1675 struct ev_loop *loop = ev_default_loop_ptr;
1652#endif 1676#endif
1653 1677
1678 ev_default_loop_ptr = 0;
1679
1654#ifndef _WIN32 1680#ifndef _WIN32
1655 ev_ref (EV_A); /* child watcher */ 1681 ev_ref (EV_A); /* child watcher */
1656 ev_signal_stop (EV_A_ &childev); 1682 ev_signal_stop (EV_A_ &childev);
1657#endif 1683#endif
1658 1684
… …
1664{ 1690{
1665#if EV_MULTIPLICITY 1691#if EV_MULTIPLICITY
1666 struct ev_loop *loop = ev_default_loop_ptr; 1692 struct ev_loop *loop = ev_default_loop_ptr;
1667#endif 1693#endif
1668 1694
1669 if (backend)
1670 postfork = 1; /* must be in line with ev_loop_fork */ 1695 postfork = 1; /* must be in line with ev_loop_fork */
1671} 1696}
1672 1697
1673/*****************************************************************************/ 1698/*****************************************************************************/
1674 1699
1675void 1700void
… …
1688 { 1713 {
1689 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1714 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1690 1715
1691 if (expect_true (p->w)) 1716 if (expect_true (p->w))
1692 { 1717 {
1693 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1718 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
1694 1719
1695 p->w->pending = 0; 1720 p->w->pending = 0;
1696 EV_CB_INVOKE (p->w, p->events); 1721 EV_CB_INVOKE (p->w, p->events);
1697 EV_FREQUENT_CHECK; 1722 EV_FREQUENT_CHECK;
1698 } 1723 }
… …
1729 1754
1730 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) 1755 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1731 { 1756 {
1732 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); 1757 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1733 1758
1734 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1759 /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/
1735 1760
1736 /* first reschedule or stop timer */ 1761 /* first reschedule or stop timer */
1737 if (w->repeat) 1762 if (w->repeat)
1738 { 1763 {
1739 ev_at (w) += w->repeat; 1764 ev_at (w) += w->repeat;
1740 if (ev_at (w) < mn_now) 1765 if (ev_at (w) < mn_now)
1741 ev_at (w) = mn_now; 1766 ev_at (w) = mn_now;
1742 1767
1743 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 1768 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1744 1769
1745 ANHE_at_cache (timers [HEAP0]); 1770 ANHE_at_cache (timers [HEAP0]);
1746 downheap (timers, timercnt, HEAP0); 1771 downheap (timers, timercnt, HEAP0);
1747 } 1772 }
1748 else 1773 else
… …
1761 1786
1762 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 1787 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1763 { 1788 {
1764 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 1789 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1765 1790
1766 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1791 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
1767 1792
1768 /* first reschedule or stop timer */ 1793 /* first reschedule or stop timer */
1769 if (w->reschedule_cb) 1794 if (w->reschedule_cb)
1770 { 1795 {
1771 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 1796 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1772 1797
1773 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); 1798 assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1774 1799
1775 ANHE_at_cache (periodics [HEAP0]); 1800 ANHE_at_cache (periodics [HEAP0]);
1776 downheap (periodics, periodiccnt, HEAP0); 1801 downheap (periodics, periodiccnt, HEAP0);
1777 } 1802 }
1778 else if (w->interval) 1803 else if (w->interval)
… …
1906ev_unref (EV_P) 1931ev_unref (EV_P)
1907{ 1932{
1908 --activecnt; 1933 --activecnt;
1909} 1934}
1910 1935
1936void
1937ev_now_update (EV_P)
1938{
1939 time_update (EV_A_ 1e100);
1940}
1941
1911static int loop_done; 1942static int loop_done;
1912 1943
1913void 1944void
1914ev_loop (EV_P_ int flags) 1945ev_loop (EV_P_ int flags)
1915{ 1946{
… …
2123 int fd = w->fd; 2154 int fd = w->fd;
2124 2155
2125 if (expect_false (ev_is_active (w))) 2156 if (expect_false (ev_is_active (w)))
2126 return; 2157 return;
2127 2158
2128 assert (("ev_io_start called with negative fd", fd >= 0)); 2159 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2160 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
2129 2161
2130 EV_FREQUENT_CHECK; 2162 EV_FREQUENT_CHECK;
2131 2163
2132 ev_start (EV_A_ (W)w, 1); 2164 ev_start (EV_A_ (W)w, 1);
2133 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2165 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2134 wlist_add (&anfds[fd].head, (WL)w); 2166 wlist_add (&anfds[fd].head, (WL)w);
2135 2167
2136 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2168 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
2137 w->events &= ~EV_IOFDSET; 2169 w->events &= ~EV_IOFDSET;
2138 2170
… …
2144{ 2176{
2145 clear_pending (EV_A_ (W)w); 2177 clear_pending (EV_A_ (W)w);
2146 if (expect_false (!ev_is_active (w))) 2178 if (expect_false (!ev_is_active (w)))
2147 return; 2179 return;
2148 2180
2149 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2181 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2150 2182
2151 EV_FREQUENT_CHECK; 2183 EV_FREQUENT_CHECK;
2152 2184
2153 wlist_del (&anfds[w->fd].head, (WL)w); 2185 wlist_del (&anfds[w->fd].head, (WL)w);
2154 ev_stop (EV_A_ (W)w); 2186 ev_stop (EV_A_ (W)w);
… …
2164 if (expect_false (ev_is_active (w))) 2196 if (expect_false (ev_is_active (w)))
2165 return; 2197 return;
2166 2198
2167 ev_at (w) += mn_now; 2199 ev_at (w) += mn_now;
2168 2200
2169 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2201 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2170 2202
2171 EV_FREQUENT_CHECK; 2203 EV_FREQUENT_CHECK;
2172 2204
2173 ++timercnt; 2205 ++timercnt;
2174 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 2206 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
… …
2177 ANHE_at_cache (timers [ev_active (w)]); 2209 ANHE_at_cache (timers [ev_active (w)]);
2178 upheap (timers, ev_active (w)); 2210 upheap (timers, ev_active (w));
2179 2211
2180 EV_FREQUENT_CHECK; 2212 EV_FREQUENT_CHECK;
2181 2213
2182 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 2214 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2183} 2215}
2184 2216
2185void noinline 2217void noinline
2186ev_timer_stop (EV_P_ ev_timer *w) 2218ev_timer_stop (EV_P_ ev_timer *w)
2187{ 2219{
… …
2192 EV_FREQUENT_CHECK; 2224 EV_FREQUENT_CHECK;
2193 2225
2194 { 2226 {
2195 int active = ev_active (w); 2227 int active = ev_active (w);
2196 2228
2197 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 2229 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2198 2230
2199 --timercnt; 2231 --timercnt;
2200 2232
2201 if (expect_true (active < timercnt + HEAP0)) 2233 if (expect_true (active < timercnt + HEAP0))
2202 { 2234 {
… …
2246 2278
2247 if (w->reschedule_cb) 2279 if (w->reschedule_cb)
2248 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2280 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2249 else if (w->interval) 2281 else if (w->interval)
2250 { 2282 {
2251 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 2283 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2252 /* this formula differs from the one in periodic_reify because we do not always round up */ 2284 /* this formula differs from the one in periodic_reify because we do not always round up */
2253 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2285 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2254 } 2286 }
2255 else 2287 else
2256 ev_at (w) = w->offset; 2288 ev_at (w) = w->offset;
… …
2264 ANHE_at_cache (periodics [ev_active (w)]); 2296 ANHE_at_cache (periodics [ev_active (w)]);
2265 upheap (periodics, ev_active (w)); 2297 upheap (periodics, ev_active (w));
2266 2298
2267 EV_FREQUENT_CHECK; 2299 EV_FREQUENT_CHECK;
2268 2300
2269 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 2301 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2270} 2302}
2271 2303
2272void noinline 2304void noinline
2273ev_periodic_stop (EV_P_ ev_periodic *w) 2305ev_periodic_stop (EV_P_ ev_periodic *w)
2274{ 2306{
… …
2279 EV_FREQUENT_CHECK; 2311 EV_FREQUENT_CHECK;
2280 2312
2281 { 2313 {
2282 int active = ev_active (w); 2314 int active = ev_active (w);
2283 2315
2284 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 2316 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2285 2317
2286 --periodiccnt; 2318 --periodiccnt;
2287 2319
2288 if (expect_true (active < periodiccnt + HEAP0)) 2320 if (expect_true (active < periodiccnt + HEAP0))
2289 { 2321 {
… …
2312 2344
2313void noinline 2345void noinline
2314ev_signal_start (EV_P_ ev_signal *w) 2346ev_signal_start (EV_P_ ev_signal *w)
2315{ 2347{
2316#if EV_MULTIPLICITY 2348#if EV_MULTIPLICITY
2317 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2349 assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2318#endif 2350#endif
2319 if (expect_false (ev_is_active (w))) 2351 if (expect_false (ev_is_active (w)))
2320 return; 2352 return;
2321 2353
2322 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2354 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));
2323 2355
2324 evpipe_init (EV_A); 2356 evpipe_init (EV_A);
2325 2357
2326 EV_FREQUENT_CHECK; 2358 EV_FREQUENT_CHECK;
2327 2359
… …
2330 sigset_t full, prev; 2362 sigset_t full, prev;
2331 sigfillset (&full); 2363 sigfillset (&full);
2332 sigprocmask (SIG_SETMASK, &full, &prev); 2364 sigprocmask (SIG_SETMASK, &full, &prev);
2333#endif 2365#endif
2334 2366
2335 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 2367 array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2336 2368
2337#ifndef _WIN32 2369#ifndef _WIN32
2338 sigprocmask (SIG_SETMASK, &prev, 0); 2370 sigprocmask (SIG_SETMASK, &prev, 0);
2339#endif 2371#endif
2340 } 2372 }
… …
2378 2410
2379void 2411void
2380ev_child_start (EV_P_ ev_child *w) 2412ev_child_start (EV_P_ ev_child *w)
2381{ 2413{
2382#if EV_MULTIPLICITY 2414#if EV_MULTIPLICITY
2383 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2415 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2384#endif 2416#endif
2385 if (expect_false (ev_is_active (w))) 2417 if (expect_false (ev_is_active (w)))
2386 return; 2418 return;
2387 2419
2388 EV_FREQUENT_CHECK; 2420 EV_FREQUENT_CHECK;
… …
2413# ifdef _WIN32 2445# ifdef _WIN32
2414# undef lstat 2446# undef lstat
2415# define lstat(a,b) _stati64 (a,b) 2447# define lstat(a,b) _stati64 (a,b)
2416# endif 2448# endif
2417 2449
2418#define DEF_STAT_INTERVAL 5.0074891 2450#define DEF_STAT_INTERVAL 5.0074891
2451#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2419#define MIN_STAT_INTERVAL 0.1074891 2452#define MIN_STAT_INTERVAL 0.1074891
2420 2453
2421static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 2454static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2422 2455
2423#if EV_USE_INOTIFY 2456#if EV_USE_INOTIFY
2424# define EV_INOTIFY_BUFSIZE 8192 2457# define EV_INOTIFY_BUFSIZE 8192
… …
2428{ 2461{
2429 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); 2462 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);
2430 2463
2431 if (w->wd < 0) 2464 if (w->wd < 0)
2432 { 2465 {
2466 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2433 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ 2467 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2434 2468
2435 /* monitor some parent directory for speedup hints */ 2469 /* monitor some parent directory for speedup hints */
2436 /* note that exceeding the hardcoded limit is not a correctness issue, */ 2470 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2437 /* but an efficiency issue only */ 2471 /* but an efficiency issue only */
2438 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 2472 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2439 { 2473 {
2440 char path [4096]; 2474 char path [4096];
2441 strcpy (path, w->path); 2475 strcpy (path, w->path);
… …
2445 int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF 2479 int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF
2446 | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); 2480 | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);
2447 2481
2448 char *pend = strrchr (path, '/'); 2482 char *pend = strrchr (path, '/');
2449 2483
2450 if (!pend) 2484 if (!pend || pend == path)
2451 break; /* whoops, no '/', complain to your admin */ 2485 break;
2452 2486
2453 *pend = 0; 2487 *pend = 0;
2454 w->wd = inotify_add_watch (fs_fd, path, mask); 2488 w->wd = inotify_add_watch (fs_fd, path, mask);
2455 } 2489 }
2456 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2490 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2457 } 2491 }
2458 } 2492 }
2459 else
2460 ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
2461 2493
2462 if (w->wd >= 0) 2494 if (w->wd >= 0)
2495 {
2463 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2496 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2497
2498 /* now local changes will be tracked by inotify, but remote changes won't */
2499 /* unless the filesystem it known to be local, we therefore still poll */
2500 /* also do poll on <2.6.25, but with normal frequency */
2501 struct statfs sfs;
2502
2503 if (fs_2625 && !statfs (w->path, &sfs))
2504 if (sfs.f_type == 0x1373 /* devfs */
2505 || sfs.f_type == 0xEF53 /* ext2/3 */
2506 || sfs.f_type == 0x3153464a /* jfs */
2507 || sfs.f_type == 0x52654973 /* reiser3 */
2508 || sfs.f_type == 0x01021994 /* tempfs */
2509 || sfs.f_type == 0x58465342 /* xfs */)
2510 return;
2511
2512 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2513 ev_timer_again (EV_A_ &w->timer);
2514 }
2464} 2515}
2465 2516
2466static void noinline 2517static void noinline
2467infy_del (EV_P_ ev_stat *w) 2518infy_del (EV_P_ ev_stat *w)
2468{ 2519{
… …
2482 2533
2483static void noinline 2534static void noinline
2484infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 2535infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2485{ 2536{
2486 if (slot < 0) 2537 if (slot < 0)
2487 /* overflow, need to check for all hahs slots */ 2538 /* overflow, need to check for all hash slots */
2488 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 2539 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2489 infy_wd (EV_A_ slot, wd, ev); 2540 infy_wd (EV_A_ slot, wd, ev);
2490 else 2541 else
2491 { 2542 {
2492 WL w_; 2543 WL w_;
… …
2498 2549
2499 if (w->wd == wd || wd == -1) 2550 if (w->wd == wd || wd == -1)
2500 { 2551 {
2501 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 2552 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2502 { 2553 {
2554 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2503 w->wd = -1; 2555 w->wd = -1;
2504 infy_add (EV_A_ w); /* re-add, no matter what */ 2556 infy_add (EV_A_ w); /* re-add, no matter what */
2505 } 2557 }
2506 2558
2507 stat_timer_cb (EV_A_ &w->timer, 0); 2559 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2521 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 2573 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2522 infy_wd (EV_A_ ev->wd, ev->wd, ev); 2574 infy_wd (EV_A_ ev->wd, ev->wd, ev);
2523} 2575}
2524 2576
2525void inline_size 2577void inline_size
2578check_2625 (EV_P)
2579{
2580 /* kernels < 2.6.25 are borked
2581 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2582 */
2583 struct utsname buf;
2584 int major, minor, micro;
2585
2586 if (uname (&buf))
2587 return;
2588
2589 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2590 return;
2591
2592 if (major < 2
2593 || (major == 2 && minor < 6)
2594 || (major == 2 && minor == 6 && micro < 25))
2595 return;
2596
2597 fs_2625 = 1;
2598}
2599
2600void inline_size
2526infy_init (EV_P) 2601infy_init (EV_P)
2527{ 2602{
2528 if (fs_fd != -2) 2603 if (fs_fd != -2)
2529 return; 2604 return;
2605
2606 fs_fd = -1;
2607
2608 check_2625 (EV_A);
2530 2609
2531 fs_fd = inotify_init (); 2610 fs_fd = inotify_init ();
2532 2611
2533 if (fs_fd >= 0) 2612 if (fs_fd >= 0)
2534 { 2613 {
… …
2562 w->wd = -1; 2641 w->wd = -1;
2563 2642
2564 if (fs_fd >= 0) 2643 if (fs_fd >= 0)
2565 infy_add (EV_A_ w); /* re-add, no matter what */ 2644 infy_add (EV_A_ w); /* re-add, no matter what */
2566 else 2645 else
2567 ev_timer_start (EV_A_ &w->timer); 2646 ev_timer_again (EV_A_ &w->timer);
2568 } 2647 }
2569
2570 } 2648 }
2571} 2649}
2572 2650
2573#endif 2651#endif
2574 2652
… …
2610 || w->prev.st_atime != w->attr.st_atime 2688 || w->prev.st_atime != w->attr.st_atime
2611 || w->prev.st_mtime != w->attr.st_mtime 2689 || w->prev.st_mtime != w->attr.st_mtime
2612 || w->prev.st_ctime != w->attr.st_ctime 2690 || w->prev.st_ctime != w->attr.st_ctime
2613 ) { 2691 ) {
2614 #if EV_USE_INOTIFY 2692 #if EV_USE_INOTIFY
2693 if (fs_fd >= 0)
2694 {
2615 infy_del (EV_A_ w); 2695 infy_del (EV_A_ w);
2616 infy_add (EV_A_ w); 2696 infy_add (EV_A_ w);
2617 ev_stat_stat (EV_A_ w); /* avoid race... */ 2697 ev_stat_stat (EV_A_ w); /* avoid race... */
2698 }
2618 #endif 2699 #endif
2619 2700
2620 ev_feed_event (EV_A_ w, EV_STAT); 2701 ev_feed_event (EV_A_ w, EV_STAT);
2621 } 2702 }
2622} 2703}
… …
2625ev_stat_start (EV_P_ ev_stat *w) 2706ev_stat_start (EV_P_ ev_stat *w)
2626{ 2707{
2627 if (expect_false (ev_is_active (w))) 2708 if (expect_false (ev_is_active (w)))
2628 return; 2709 return;
2629 2710
2630 /* since we use memcmp, we need to clear any padding data etc. */
2631 memset (&w->prev, 0, sizeof (ev_statdata));
2632 memset (&w->attr, 0, sizeof (ev_statdata));
2633
2634 ev_stat_stat (EV_A_ w); 2711 ev_stat_stat (EV_A_ w);
2635 2712
2713 if (w->interval < MIN_STAT_INTERVAL && w->interval)
2636 if (w->interval < MIN_STAT_INTERVAL) 2714 w->interval = MIN_STAT_INTERVAL;
2637 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2638 2715
2639 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); 2716 ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2640 ev_set_priority (&w->timer, ev_priority (w)); 2717 ev_set_priority (&w->timer, ev_priority (w));
2641 2718
2642#if EV_USE_INOTIFY 2719#if EV_USE_INOTIFY
2643 infy_init (EV_A); 2720 infy_init (EV_A);
2644 2721
2645 if (fs_fd >= 0) 2722 if (fs_fd >= 0)
2646 infy_add (EV_A_ w); 2723 infy_add (EV_A_ w);
2647 else 2724 else
2648#endif 2725#endif
2649 ev_timer_start (EV_A_ &w->timer); 2726 ev_timer_again (EV_A_ &w->timer);
2650 2727
2651 ev_start (EV_A_ (W)w, 1); 2728 ev_start (EV_A_ (W)w, 1);
2652 2729
2653 EV_FREQUENT_CHECK; 2730 EV_FREQUENT_CHECK;
2654} 2731}
… …
2824 ev_loop (EV_A_ EVLOOP_NONBLOCK); 2901 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2825 } 2902 }
2826 } 2903 }
2827} 2904}
2828 2905
2906static void
2907embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
2908{
2909 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2910
2911 ev_embed_stop (EV_A_ w);
2912
2913 {
2914 struct ev_loop *loop = w->other;
2915
2916 ev_loop_fork (EV_A);
2917 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2918 }
2919
2920 ev_embed_start (EV_A_ w);
2921}
2922
2829#if 0 2923#if 0
2830static void 2924static void
2831embed_idle_cb (EV_P_ ev_idle *idle, int revents) 2925embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2832{ 2926{
2833 ev_idle_stop (EV_A_ idle); 2927 ev_idle_stop (EV_A_ idle);
… …
2840 if (expect_false (ev_is_active (w))) 2934 if (expect_false (ev_is_active (w)))
2841 return; 2935 return;
2842 2936
2843 { 2937 {
2844 struct ev_loop *loop = w->other; 2938 struct ev_loop *loop = w->other;
2845 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2939 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2846 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2940 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2847 } 2941 }
2848 2942
2849 EV_FREQUENT_CHECK; 2943 EV_FREQUENT_CHECK;
2850 2944
… …
2853 2947
2854 ev_prepare_init (&w->prepare, embed_prepare_cb); 2948 ev_prepare_init (&w->prepare, embed_prepare_cb);
2855 ev_set_priority (&w->prepare, EV_MINPRI); 2949 ev_set_priority (&w->prepare, EV_MINPRI);
2856 ev_prepare_start (EV_A_ &w->prepare); 2950 ev_prepare_start (EV_A_ &w->prepare);
2857 2951
2952 ev_fork_init (&w->fork, embed_fork_cb);
2953 ev_fork_start (EV_A_ &w->fork);
2954
2858 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2955 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2859 2956
2860 ev_start (EV_A_ (W)w, 1); 2957 ev_start (EV_A_ (W)w, 1);
2861 2958
2862 EV_FREQUENT_CHECK; 2959 EV_FREQUENT_CHECK;
… …
2869 if (expect_false (!ev_is_active (w))) 2966 if (expect_false (!ev_is_active (w)))
2870 return; 2967 return;
2871 2968
2872 EV_FREQUENT_CHECK; 2969 EV_FREQUENT_CHECK;
2873 2970
2874 ev_io_stop (EV_A_ &w->io); 2971 ev_io_stop (EV_A_ &w->io);
2875 ev_prepare_stop (EV_A_ &w->prepare); 2972 ev_prepare_stop (EV_A_ &w->prepare);
2876 2973 ev_fork_stop (EV_A_ &w->fork);
2877 ev_stop (EV_A_ (W)w);
2878 2974
2879 EV_FREQUENT_CHECK; 2975 EV_FREQUENT_CHECK;
2880} 2976}
2881#endif 2977#endif
2882 2978
… …
2979once_cb (EV_P_ struct ev_once *once, int revents) 3075once_cb (EV_P_ struct ev_once *once, int revents)
2980{ 3076{
2981 void (*cb)(int revents, void *arg) = once->cb; 3077 void (*cb)(int revents, void *arg) = once->cb;
2982 void *arg = once->arg; 3078 void *arg = once->arg;
2983 3079
2984 ev_io_stop (EV_A_ &once->io); 3080 ev_io_stop (EV_A_ &once->io);
2985 ev_timer_stop (EV_A_ &once->to); 3081 ev_timer_stop (EV_A_ &once->to);
2986 ev_free (once); 3082 ev_free (once);
2987 3083
2988 cb (revents, arg); 3084 cb (revents, arg);
2989} 3085}
2990 3086
2991static void 3087static void
2992once_cb_io (EV_P_ ev_io *w, int revents) 3088once_cb_io (EV_P_ ev_io *w, int revents)
2993{ 3089{
2994 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 3090 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
3091
3092 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2995} 3093}
2996 3094
2997static void 3095static void
2998once_cb_to (EV_P_ ev_timer *w, int revents) 3096once_cb_to (EV_P_ ev_timer *w, int revents)
2999{ 3097{
3000 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 3098 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
3099
3100 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3001} 3101}
3002 3102
3003void 3103void
3004ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 3104ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
3005{ 3105{

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