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Comparing libev/ev.c (file contents):
Revision 1.142 by root, Tue Nov 27 06:19:08 2007 UTC vs.
Revision 1.147 by root, Tue Nov 27 10:59:11 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)
… …
1276 ? EVUNLOOP_ONE 1276 ? EVUNLOOP_ONE
1277 : EVUNLOOP_CANCEL; 1277 : EVUNLOOP_CANCEL;
1278 1278
1279 while (activecnt) 1279 while (activecnt)
1280 { 1280 {
1281 /* we might have forked, so reify kernel state if necessary */
1282 if (expect_false (postfork))
1283 if (forkcnt)
1284 {
1285 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1286 call_pending (EV_A);
1287 }
1288
1281 /* queue check watchers (and execute them) */ 1289 /* queue check watchers (and execute them) */
1282 if (expect_false (preparecnt)) 1290 if (expect_false (preparecnt))
1283 { 1291 {
1284 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1292 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1285 call_pending (EV_A); 1293 call_pending (EV_A);
… …
1558 ev_periodic_stop (EV_A_ w); 1566 ev_periodic_stop (EV_A_ w);
1559 ev_periodic_start (EV_A_ w); 1567 ev_periodic_start (EV_A_ w);
1560} 1568}
1561#endif 1569#endif
1562 1570
1563void
1564ev_idle_start (EV_P_ ev_idle *w)
1565{
1566 if (expect_false (ev_is_active (w)))
1567 return;
1568
1569 ev_start (EV_A_ (W)w, ++idlecnt);
1570 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1571 idles [idlecnt - 1] = w;
1572}
1573
1574void
1575ev_idle_stop (EV_P_ ev_idle *w)
1576{
1577 ev_clear_pending (EV_A_ (W)w);
1578 if (expect_false (!ev_is_active (w)))
1579 return;
1580
1581 {
1582 int active = ((W)w)->active;
1583 idles [active - 1] = idles [--idlecnt];
1584 ((W)idles [active - 1])->active = active;
1585 }
1586
1587 ev_stop (EV_A_ (W)w);
1588}
1589
1590void
1591ev_prepare_start (EV_P_ ev_prepare *w)
1592{
1593 if (expect_false (ev_is_active (w)))
1594 return;
1595
1596 ev_start (EV_A_ (W)w, ++preparecnt);
1597 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1598 prepares [preparecnt - 1] = w;
1599}
1600
1601void
1602ev_prepare_stop (EV_P_ ev_prepare *w)
1603{
1604 ev_clear_pending (EV_A_ (W)w);
1605 if (expect_false (!ev_is_active (w)))
1606 return;
1607
1608 {
1609 int active = ((W)w)->active;
1610 prepares [active - 1] = prepares [--preparecnt];
1611 ((W)prepares [active - 1])->active = active;
1612 }
1613
1614 ev_stop (EV_A_ (W)w);
1615}
1616
1617void
1618ev_check_start (EV_P_ ev_check *w)
1619{
1620 if (expect_false (ev_is_active (w)))
1621 return;
1622
1623 ev_start (EV_A_ (W)w, ++checkcnt);
1624 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1625 checks [checkcnt - 1] = w;
1626}
1627
1628void
1629ev_check_stop (EV_P_ ev_check *w)
1630{
1631 ev_clear_pending (EV_A_ (W)w);
1632 if (expect_false (!ev_is_active (w)))
1633 return;
1634
1635 {
1636 int active = ((W)w)->active;
1637 checks [active - 1] = checks [--checkcnt];
1638 ((W)checks [active - 1])->active = active;
1639 }
1640
1641 ev_stop (EV_A_ (W)w);
1642}
1643
1644#ifndef SA_RESTART 1571#ifndef SA_RESTART
1645# define SA_RESTART 0 1572# define SA_RESTART 0
1646#endif 1573#endif
1647 1574
1648void 1575void
… …
1710 1637
1711 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1638 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1712 ev_stop (EV_A_ (W)w); 1639 ev_stop (EV_A_ (W)w);
1713} 1640}
1714 1641
1642#if EV_STAT_ENABLE
1643
1644# ifdef _WIN32
1645# undef lstat
1646# define lstat(a,b) _stati64 (a,b)
1647# endif
1648
1649#define DEF_STAT_INTERVAL 5.0074891
1650#define MIN_STAT_INTERVAL 0.1074891
1651
1652void
1653ev_stat_stat (EV_P_ ev_stat *w)
1654{
1655 if (lstat (w->path, &w->attr) < 0)
1656 w->attr.st_nlink = 0;
1657 else if (!w->attr.st_nlink)
1658 w->attr.st_nlink = 1;
1659}
1660
1661static void
1662stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1663{
1664 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1665
1666 /* we copy this here each the time so that */
1667 /* prev has the old value when the callback gets invoked */
1668 w->prev = w->attr;
1669 ev_stat_stat (EV_A_ w);
1670
1671 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1672 ev_feed_event (EV_A_ w, EV_STAT);
1673}
1674
1675void
1676ev_stat_start (EV_P_ ev_stat *w)
1677{
1678 if (expect_false (ev_is_active (w)))
1679 return;
1680
1681 /* since we use memcmp, we need to clear any padding data etc. */
1682 memset (&w->prev, 0, sizeof (ev_statdata));
1683 memset (&w->attr, 0, sizeof (ev_statdata));
1684
1685 ev_stat_stat (EV_A_ w);
1686
1687 if (w->interval < MIN_STAT_INTERVAL)
1688 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1689
1690 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1691 ev_set_priority (&w->timer, ev_priority (w));
1692 ev_timer_start (EV_A_ &w->timer);
1693
1694 ev_start (EV_A_ (W)w, 1);
1695}
1696
1697void
1698ev_stat_stop (EV_P_ ev_stat *w)
1699{
1700 ev_clear_pending (EV_A_ (W)w);
1701 if (expect_false (!ev_is_active (w)))
1702 return;
1703
1704 ev_timer_stop (EV_A_ &w->timer);
1705
1706 ev_stop (EV_A_ (W)w);
1707}
1708#endif
1709
1710void
1711ev_idle_start (EV_P_ ev_idle *w)
1712{
1713 if (expect_false (ev_is_active (w)))
1714 return;
1715
1716 ev_start (EV_A_ (W)w, ++idlecnt);
1717 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1718 idles [idlecnt - 1] = w;
1719}
1720
1721void
1722ev_idle_stop (EV_P_ ev_idle *w)
1723{
1724 ev_clear_pending (EV_A_ (W)w);
1725 if (expect_false (!ev_is_active (w)))
1726 return;
1727
1728 {
1729 int active = ((W)w)->active;
1730 idles [active - 1] = idles [--idlecnt];
1731 ((W)idles [active - 1])->active = active;
1732 }
1733
1734 ev_stop (EV_A_ (W)w);
1735}
1736
1737void
1738ev_prepare_start (EV_P_ ev_prepare *w)
1739{
1740 if (expect_false (ev_is_active (w)))
1741 return;
1742
1743 ev_start (EV_A_ (W)w, ++preparecnt);
1744 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1745 prepares [preparecnt - 1] = w;
1746}
1747
1748void
1749ev_prepare_stop (EV_P_ ev_prepare *w)
1750{
1751 ev_clear_pending (EV_A_ (W)w);
1752 if (expect_false (!ev_is_active (w)))
1753 return;
1754
1755 {
1756 int active = ((W)w)->active;
1757 prepares [active - 1] = prepares [--preparecnt];
1758 ((W)prepares [active - 1])->active = active;
1759 }
1760
1761 ev_stop (EV_A_ (W)w);
1762}
1763
1764void
1765ev_check_start (EV_P_ ev_check *w)
1766{
1767 if (expect_false (ev_is_active (w)))
1768 return;
1769
1770 ev_start (EV_A_ (W)w, ++checkcnt);
1771 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1772 checks [checkcnt - 1] = w;
1773}
1774
1775void
1776ev_check_stop (EV_P_ ev_check *w)
1777{
1778 ev_clear_pending (EV_A_ (W)w);
1779 if (expect_false (!ev_is_active (w)))
1780 return;
1781
1782 {
1783 int active = ((W)w)->active;
1784 checks [active - 1] = checks [--checkcnt];
1785 ((W)checks [active - 1])->active = active;
1786 }
1787
1788 ev_stop (EV_A_ (W)w);
1789}
1790
1715#if EV_EMBED_ENABLE 1791#if EV_EMBED_ENABLE
1716void noinline 1792void noinline
1717ev_embed_sweep (EV_P_ ev_embed *w) 1793ev_embed_sweep (EV_P_ ev_embed *w)
1718{ 1794{
1719 ev_loop (w->loop, EVLOOP_NONBLOCK); 1795 ev_loop (w->loop, EVLOOP_NONBLOCK);
… …
1759 1835
1760 ev_stop (EV_A_ (W)w); 1836 ev_stop (EV_A_ (W)w);
1761} 1837}
1762#endif 1838#endif
1763 1839
1764#if EV_STAT_ENABLE 1840#if EV_FORK_ENABLE
1765
1766# ifdef _WIN32
1767# define lstat(a,b) stat(a,b)
1768# endif
1769
1770void 1841void
1771ev_stat_stat (EV_P_ ev_stat *w)
1772{
1773 if (lstat (w->path, &w->attr) < 0)
1774 w->attr.st_nlink = 0;
1775 else if (!w->attr.st_nlink)
1776 w->attr.st_nlink = 1;
1777}
1778
1779static void
1780stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1781{
1782 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1783
1784 /* we copy this here each the time so that */
1785 /* prev has the old value when the callback gets invoked */
1786 w->prev = w->attr;
1787 ev_stat_stat (EV_A_ w);
1788
1789 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1790 ev_feed_event (EV_A_ w, EV_STAT);
1791}
1792
1793void
1794ev_stat_start (EV_P_ ev_stat *w) 1842ev_fork_start (EV_P_ ev_fork *w)
1795{ 1843{
1796 if (expect_false (ev_is_active (w))) 1844 if (expect_false (ev_is_active (w)))
1797 return; 1845 return;
1798 1846
1799 /* since we use memcmp, we need to clear any padding data etc. */
1800 memset (&w->prev, 0, sizeof (ev_statdata));
1801 memset (&w->attr, 0, sizeof (ev_statdata));
1802
1803 ev_stat_stat (EV_A_ w);
1804
1805 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1806 ev_set_priority (&w->timer, ev_priority (w));
1807 ev_timer_start (EV_A_ &w->timer);
1808
1809 ev_start (EV_A_ (W)w, 1); 1847 ev_start (EV_A_ (W)w, ++forkcnt);
1848 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
1849 forks [forkcnt - 1] = w;
1810} 1850}
1811 1851
1812void 1852void
1813ev_stat_stop (EV_P_ ev_stat *w) 1853ev_fork_stop (EV_P_ ev_fork *w)
1814{ 1854{
1815 ev_clear_pending (EV_A_ (W)w); 1855 ev_clear_pending (EV_A_ (W)w);
1816 if (expect_false (!ev_is_active (w))) 1856 if (expect_false (!ev_is_active (w)))
1817 return; 1857 return;
1818 1858
1819 ev_timer_stop (EV_A_ &w->timer); 1859 {
1860 int active = ((W)w)->active;
1861 forks [active - 1] = forks [--forkcnt];
1862 ((W)forks [active - 1])->active = active;
1863 }
1820 1864
1821 ev_stop (EV_A_ (W)w); 1865 ev_stop (EV_A_ (W)w);
1822} 1866}
1823#endif 1867#endif
1824 1868

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