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Comparing libev/ev.c (file contents):
Revision 1.141 by root, Mon Nov 26 20:33:58 2007 UTC vs.
Revision 1.145 by root, Tue Nov 27 08:54:38 2007 UTC

… …
198# define inline_speed static inline 198# define inline_speed static inline
199# endif 199# endif
200#else 200#else
201# define expect(expr,value) (expr) 201# define expect(expr,value) (expr)
202# define inline_speed static 202# define inline_speed static
203# define inline_minimal static 203# define inline_size static
204# define noinline 204# define noinline
205#endif 205#endif
206 206
207#define expect_false(expr) expect ((expr) != 0, 0) 207#define expect_false(expr) expect ((expr) != 0, 0)
208#define expect_true(expr) expect ((expr) != 0, 1) 208#define expect_true(expr) expect ((expr) != 0, 1)
… …
715 715
716#ifndef _WIN32 716#ifndef _WIN32
717 717
718static ev_signal childev; 718static ev_signal childev;
719 719
720#ifndef WCONTINUED
721# define WCONTINUED 0
722#endif
723
724void inline_speed 720void inline_speed
725child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) 721child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
726{ 722{
727 ev_child *w; 723 ev_child *w;
728 724
… …
734 w->rstatus = status; 730 w->rstatus = status;
735 ev_feed_event (EV_A_ (W)w, EV_CHILD); 731 ev_feed_event (EV_A_ (W)w, EV_CHILD);
736 } 732 }
737} 733}
738 734
735#ifndef WCONTINUED
736# define WCONTINUED 0
737#endif
738
739static void 739static void
740childcb (EV_P_ ev_signal *sw, int revents) 740childcb (EV_P_ ev_signal *sw, int revents)
741{ 741{
742 int pid, status; 742 int pid, status;
743 743
744 /* some systems define WCONTINUED but then fail to support it (linux 2.4) */
744 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) 745 if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
745 { 746 if (!WCONTINUED
747 || errno != EINVAL
748 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED)))
749 return;
750
746 /* make sure we are called again until all childs have been reaped */ 751 /* make sure we are called again until all childs have been reaped */
747 /* we need to do it this way so that the callback gets called before we continue */ 752 /* we need to do it this way so that the callback gets called before we continue */
748 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 753 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
749 754
750 child_reap (EV_A_ sw, pid, pid, status); 755 child_reap (EV_A_ sw, pid, pid, status);
751 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 756 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
752 }
753} 757}
754 758
755#endif 759#endif
756 760
757/*****************************************************************************/ 761/*****************************************************************************/
… …
1554 ev_periodic_stop (EV_A_ w); 1558 ev_periodic_stop (EV_A_ w);
1555 ev_periodic_start (EV_A_ w); 1559 ev_periodic_start (EV_A_ w);
1556} 1560}
1557#endif 1561#endif
1558 1562
1559void
1560ev_idle_start (EV_P_ ev_idle *w)
1561{
1562 if (expect_false (ev_is_active (w)))
1563 return;
1564
1565 ev_start (EV_A_ (W)w, ++idlecnt);
1566 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1567 idles [idlecnt - 1] = w;
1568}
1569
1570void
1571ev_idle_stop (EV_P_ ev_idle *w)
1572{
1573 ev_clear_pending (EV_A_ (W)w);
1574 if (expect_false (!ev_is_active (w)))
1575 return;
1576
1577 {
1578 int active = ((W)w)->active;
1579 idles [active - 1] = idles [--idlecnt];
1580 ((W)idles [active - 1])->active = active;
1581 }
1582
1583 ev_stop (EV_A_ (W)w);
1584}
1585
1586void
1587ev_prepare_start (EV_P_ ev_prepare *w)
1588{
1589 if (expect_false (ev_is_active (w)))
1590 return;
1591
1592 ev_start (EV_A_ (W)w, ++preparecnt);
1593 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1594 prepares [preparecnt - 1] = w;
1595}
1596
1597void
1598ev_prepare_stop (EV_P_ ev_prepare *w)
1599{
1600 ev_clear_pending (EV_A_ (W)w);
1601 if (expect_false (!ev_is_active (w)))
1602 return;
1603
1604 {
1605 int active = ((W)w)->active;
1606 prepares [active - 1] = prepares [--preparecnt];
1607 ((W)prepares [active - 1])->active = active;
1608 }
1609
1610 ev_stop (EV_A_ (W)w);
1611}
1612
1613void
1614ev_check_start (EV_P_ ev_check *w)
1615{
1616 if (expect_false (ev_is_active (w)))
1617 return;
1618
1619 ev_start (EV_A_ (W)w, ++checkcnt);
1620 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1621 checks [checkcnt - 1] = w;
1622}
1623
1624void
1625ev_check_stop (EV_P_ ev_check *w)
1626{
1627 ev_clear_pending (EV_A_ (W)w);
1628 if (expect_false (!ev_is_active (w)))
1629 return;
1630
1631 {
1632 int active = ((W)w)->active;
1633 checks [active - 1] = checks [--checkcnt];
1634 ((W)checks [active - 1])->active = active;
1635 }
1636
1637 ev_stop (EV_A_ (W)w);
1638}
1639
1640#ifndef SA_RESTART 1563#ifndef SA_RESTART
1641# define SA_RESTART 0 1564# define SA_RESTART 0
1642#endif 1565#endif
1643 1566
1644void 1567void
… …
1706 1629
1707 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1630 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1708 ev_stop (EV_A_ (W)w); 1631 ev_stop (EV_A_ (W)w);
1709} 1632}
1710 1633
1634#if EV_STAT_ENABLE
1635
1636# ifdef _WIN32
1637# define lstat(a,b) stat(a,b)
1638# endif
1639
1640#define DEF_STAT_INTERVAL 5.0074891
1641#define MIN_STAT_INTERVAL 0.1074891
1642
1643void
1644ev_stat_stat (EV_P_ ev_stat *w)
1645{
1646 if (lstat (w->path, &w->attr) < 0)
1647 w->attr.st_nlink = 0;
1648 else if (!w->attr.st_nlink)
1649 w->attr.st_nlink = 1;
1650}
1651
1652static void
1653stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1654{
1655 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1656
1657 /* we copy this here each the time so that */
1658 /* prev has the old value when the callback gets invoked */
1659 w->prev = w->attr;
1660 ev_stat_stat (EV_A_ w);
1661
1662 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1663 ev_feed_event (EV_A_ w, EV_STAT);
1664}
1665
1666void
1667ev_stat_start (EV_P_ ev_stat *w)
1668{
1669 if (expect_false (ev_is_active (w)))
1670 return;
1671
1672 /* since we use memcmp, we need to clear any padding data etc. */
1673 memset (&w->prev, 0, sizeof (ev_statdata));
1674 memset (&w->attr, 0, sizeof (ev_statdata));
1675
1676 ev_stat_stat (EV_A_ w);
1677
1678 if (w->interval < MIN_STAT_INTERVAL)
1679 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1680
1681 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1682 ev_set_priority (&w->timer, ev_priority (w));
1683 ev_timer_start (EV_A_ &w->timer);
1684
1685 ev_start (EV_A_ (W)w, 1);
1686}
1687
1688void
1689ev_stat_stop (EV_P_ ev_stat *w)
1690{
1691 ev_clear_pending (EV_A_ (W)w);
1692 if (expect_false (!ev_is_active (w)))
1693 return;
1694
1695 ev_timer_stop (EV_A_ &w->timer);
1696
1697 ev_stop (EV_A_ (W)w);
1698}
1699#endif
1700
1701void
1702ev_idle_start (EV_P_ ev_idle *w)
1703{
1704 if (expect_false (ev_is_active (w)))
1705 return;
1706
1707 ev_start (EV_A_ (W)w, ++idlecnt);
1708 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1709 idles [idlecnt - 1] = w;
1710}
1711
1712void
1713ev_idle_stop (EV_P_ ev_idle *w)
1714{
1715 ev_clear_pending (EV_A_ (W)w);
1716 if (expect_false (!ev_is_active (w)))
1717 return;
1718
1719 {
1720 int active = ((W)w)->active;
1721 idles [active - 1] = idles [--idlecnt];
1722 ((W)idles [active - 1])->active = active;
1723 }
1724
1725 ev_stop (EV_A_ (W)w);
1726}
1727
1728void
1729ev_prepare_start (EV_P_ ev_prepare *w)
1730{
1731 if (expect_false (ev_is_active (w)))
1732 return;
1733
1734 ev_start (EV_A_ (W)w, ++preparecnt);
1735 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1736 prepares [preparecnt - 1] = w;
1737}
1738
1739void
1740ev_prepare_stop (EV_P_ ev_prepare *w)
1741{
1742 ev_clear_pending (EV_A_ (W)w);
1743 if (expect_false (!ev_is_active (w)))
1744 return;
1745
1746 {
1747 int active = ((W)w)->active;
1748 prepares [active - 1] = prepares [--preparecnt];
1749 ((W)prepares [active - 1])->active = active;
1750 }
1751
1752 ev_stop (EV_A_ (W)w);
1753}
1754
1755void
1756ev_check_start (EV_P_ ev_check *w)
1757{
1758 if (expect_false (ev_is_active (w)))
1759 return;
1760
1761 ev_start (EV_A_ (W)w, ++checkcnt);
1762 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1763 checks [checkcnt - 1] = w;
1764}
1765
1766void
1767ev_check_stop (EV_P_ ev_check *w)
1768{
1769 ev_clear_pending (EV_A_ (W)w);
1770 if (expect_false (!ev_is_active (w)))
1771 return;
1772
1773 {
1774 int active = ((W)w)->active;
1775 checks [active - 1] = checks [--checkcnt];
1776 ((W)checks [active - 1])->active = active;
1777 }
1778
1779 ev_stop (EV_A_ (W)w);
1780}
1781
1711#if EV_EMBED_ENABLE 1782#if EV_EMBED_ENABLE
1712void noinline 1783void noinline
1713ev_embed_sweep (EV_P_ ev_embed *w) 1784ev_embed_sweep (EV_P_ ev_embed *w)
1714{ 1785{
1715 ev_loop (w->loop, EVLOOP_NONBLOCK); 1786 ev_loop (w->loop, EVLOOP_NONBLOCK);
… …
1755 1826
1756 ev_stop (EV_A_ (W)w); 1827 ev_stop (EV_A_ (W)w);
1757} 1828}
1758#endif 1829#endif
1759 1830
1760#if EV_STAT_ENABLE
1761
1762# ifdef _WIN32
1763# define lstat(a,b) stat(a,b)
1764# endif
1765
1766void
1767ev_stat_stat (EV_P_ ev_stat *w)
1768{
1769 if (lstat (w->path, &w->attr) < 0)
1770 w->attr.st_nlink = 0;
1771 else if (!w->attr.st_nlink)
1772 w->attr.st_nlink = 1;
1773}
1774
1775static void
1776stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1777{
1778 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1779
1780 /* we copy this here each the time so that */
1781 /* prev has the old value when the callback gets invoked */
1782 w->prev = w->attr;
1783 ev_stat_stat (EV_A_ w);
1784
1785 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1786 ev_feed_event (EV_A_ w, EV_STAT);
1787}
1788
1789void
1790ev_stat_start (EV_P_ ev_stat *w)
1791{
1792 if (expect_false (ev_is_active (w)))
1793 return;
1794
1795 /* since we use memcmp, we need to clear any padding data etc. */
1796 memset (&w->prev, 0, sizeof (ev_statdata));
1797 memset (&w->attr, 0, sizeof (ev_statdata));
1798
1799 ev_stat_stat (EV_A_ w);
1800
1801 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1802 ev_set_priority (&w->timer, ev_priority (w));
1803 ev_timer_start (EV_A_ &w->timer);
1804
1805 ev_start (EV_A_ (W)w, 1);
1806}
1807
1808void
1809ev_stat_stop (EV_P_ ev_stat *w)
1810{
1811 ev_clear_pending (EV_A_ (W)w);
1812 if (expect_false (!ev_is_active (w)))
1813 return;
1814
1815 ev_timer_stop (EV_A_ &w->timer);
1816
1817 ev_stop (EV_A_ (W)w);
1818}
1819#endif
1820
1821/*****************************************************************************/ 1831/*****************************************************************************/
1822 1832
1823struct ev_once 1833struct ev_once
1824{ 1834{
1825 ev_io io; 1835 ev_io io;

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