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Comparing libev/ev.c (file contents):
Revision 1.143 by root, Tue Nov 27 07:27:10 2007 UTC vs.
Revision 1.148 by root, Tue Nov 27 11:11:13 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 EV_FORK_ENABLE
1283 if (expect_false (postfork))
1284 if (forkcnt)
1285 {
1286 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1287 call_pending (EV_A);
1288 }
1289 #endif
1290
1281 /* queue check watchers (and execute them) */ 1291 /* queue check watchers (and execute them) */
1282 if (expect_false (preparecnt)) 1292 if (expect_false (preparecnt))
1283 { 1293 {
1284 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1294 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1285 call_pending (EV_A); 1295 call_pending (EV_A);
… …
1558 ev_periodic_stop (EV_A_ w); 1568 ev_periodic_stop (EV_A_ w);
1559 ev_periodic_start (EV_A_ w); 1569 ev_periodic_start (EV_A_ w);
1560} 1570}
1561#endif 1571#endif
1562 1572
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 1573#ifndef SA_RESTART
1645# define SA_RESTART 0 1574# define SA_RESTART 0
1646#endif 1575#endif
1647 1576
1648void 1577void
… …
1710 1639
1711 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1640 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1712 ev_stop (EV_A_ (W)w); 1641 ev_stop (EV_A_ (W)w);
1713} 1642}
1714 1643
1644#if EV_STAT_ENABLE
1645
1646# ifdef _WIN32
1647# undef lstat
1648# define lstat(a,b) _stati64 (a,b)
1649# endif
1650
1651#define DEF_STAT_INTERVAL 5.0074891
1652#define MIN_STAT_INTERVAL 0.1074891
1653
1654void
1655ev_stat_stat (EV_P_ ev_stat *w)
1656{
1657 if (lstat (w->path, &w->attr) < 0)
1658 w->attr.st_nlink = 0;
1659 else if (!w->attr.st_nlink)
1660 w->attr.st_nlink = 1;
1661}
1662
1663static void
1664stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1665{
1666 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1667
1668 /* we copy this here each the time so that */
1669 /* prev has the old value when the callback gets invoked */
1670 w->prev = w->attr;
1671 ev_stat_stat (EV_A_ w);
1672
1673 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1674 ev_feed_event (EV_A_ w, EV_STAT);
1675}
1676
1677void
1678ev_stat_start (EV_P_ ev_stat *w)
1679{
1680 if (expect_false (ev_is_active (w)))
1681 return;
1682
1683 /* since we use memcmp, we need to clear any padding data etc. */
1684 memset (&w->prev, 0, sizeof (ev_statdata));
1685 memset (&w->attr, 0, sizeof (ev_statdata));
1686
1687 ev_stat_stat (EV_A_ w);
1688
1689 if (w->interval < MIN_STAT_INTERVAL)
1690 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1691
1692 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1693 ev_set_priority (&w->timer, ev_priority (w));
1694 ev_timer_start (EV_A_ &w->timer);
1695
1696 ev_start (EV_A_ (W)w, 1);
1697}
1698
1699void
1700ev_stat_stop (EV_P_ ev_stat *w)
1701{
1702 ev_clear_pending (EV_A_ (W)w);
1703 if (expect_false (!ev_is_active (w)))
1704 return;
1705
1706 ev_timer_stop (EV_A_ &w->timer);
1707
1708 ev_stop (EV_A_ (W)w);
1709}
1710#endif
1711
1712void
1713ev_idle_start (EV_P_ ev_idle *w)
1714{
1715 if (expect_false (ev_is_active (w)))
1716 return;
1717
1718 ev_start (EV_A_ (W)w, ++idlecnt);
1719 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1720 idles [idlecnt - 1] = w;
1721}
1722
1723void
1724ev_idle_stop (EV_P_ ev_idle *w)
1725{
1726 ev_clear_pending (EV_A_ (W)w);
1727 if (expect_false (!ev_is_active (w)))
1728 return;
1729
1730 {
1731 int active = ((W)w)->active;
1732 idles [active - 1] = idles [--idlecnt];
1733 ((W)idles [active - 1])->active = active;
1734 }
1735
1736 ev_stop (EV_A_ (W)w);
1737}
1738
1739void
1740ev_prepare_start (EV_P_ ev_prepare *w)
1741{
1742 if (expect_false (ev_is_active (w)))
1743 return;
1744
1745 ev_start (EV_A_ (W)w, ++preparecnt);
1746 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1747 prepares [preparecnt - 1] = w;
1748}
1749
1750void
1751ev_prepare_stop (EV_P_ ev_prepare *w)
1752{
1753 ev_clear_pending (EV_A_ (W)w);
1754 if (expect_false (!ev_is_active (w)))
1755 return;
1756
1757 {
1758 int active = ((W)w)->active;
1759 prepares [active - 1] = prepares [--preparecnt];
1760 ((W)prepares [active - 1])->active = active;
1761 }
1762
1763 ev_stop (EV_A_ (W)w);
1764}
1765
1766void
1767ev_check_start (EV_P_ ev_check *w)
1768{
1769 if (expect_false (ev_is_active (w)))
1770 return;
1771
1772 ev_start (EV_A_ (W)w, ++checkcnt);
1773 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1774 checks [checkcnt - 1] = w;
1775}
1776
1777void
1778ev_check_stop (EV_P_ ev_check *w)
1779{
1780 ev_clear_pending (EV_A_ (W)w);
1781 if (expect_false (!ev_is_active (w)))
1782 return;
1783
1784 {
1785 int active = ((W)w)->active;
1786 checks [active - 1] = checks [--checkcnt];
1787 ((W)checks [active - 1])->active = active;
1788 }
1789
1790 ev_stop (EV_A_ (W)w);
1791}
1792
1715#if EV_EMBED_ENABLE 1793#if EV_EMBED_ENABLE
1716void noinline 1794void noinline
1717ev_embed_sweep (EV_P_ ev_embed *w) 1795ev_embed_sweep (EV_P_ ev_embed *w)
1718{ 1796{
1719 ev_loop (w->loop, EVLOOP_NONBLOCK); 1797 ev_loop (w->loop, EVLOOP_NONBLOCK);
… …
1759 1837
1760 ev_stop (EV_A_ (W)w); 1838 ev_stop (EV_A_ (W)w);
1761} 1839}
1762#endif 1840#endif
1763 1841
1764#if EV_STAT_ENABLE 1842#if EV_FORK_ENABLE
1765
1766# ifdef _WIN32
1767# define lstat(a,b) stat(a,b)
1768# endif
1769
1770#define DEF_STAT_INTERVAL 5.0074891
1771#define MIN_STAT_INTERVAL 0.1074891
1772
1773void 1843void
1774ev_stat_stat (EV_P_ ev_stat *w)
1775{
1776 if (lstat (w->path, &w->attr) < 0)
1777 w->attr.st_nlink = 0;
1778 else if (!w->attr.st_nlink)
1779 w->attr.st_nlink = 1;
1780}
1781
1782static void
1783stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1784{
1785 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1786
1787 /* we copy this here each the time so that */
1788 /* prev has the old value when the callback gets invoked */
1789 w->prev = w->attr;
1790 ev_stat_stat (EV_A_ w);
1791
1792 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1793 ev_feed_event (EV_A_ w, EV_STAT);
1794}
1795
1796void
1797ev_stat_start (EV_P_ ev_stat *w) 1844ev_fork_start (EV_P_ ev_fork *w)
1798{ 1845{
1799 if (expect_false (ev_is_active (w))) 1846 if (expect_false (ev_is_active (w)))
1800 return; 1847 return;
1801 1848
1802 /* since we use memcmp, we need to clear any padding data etc. */
1803 memset (&w->prev, 0, sizeof (ev_statdata));
1804 memset (&w->attr, 0, sizeof (ev_statdata));
1805
1806 ev_stat_stat (EV_A_ w);
1807
1808 if (w->interval < MIN_STAT_INTERVAL)
1809 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
1810
1811 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1812 ev_set_priority (&w->timer, ev_priority (w));
1813 ev_timer_start (EV_A_ &w->timer);
1814
1815 ev_start (EV_A_ (W)w, 1); 1849 ev_start (EV_A_ (W)w, ++forkcnt);
1850 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
1851 forks [forkcnt - 1] = w;
1816} 1852}
1817 1853
1818void 1854void
1819ev_stat_stop (EV_P_ ev_stat *w) 1855ev_fork_stop (EV_P_ ev_fork *w)
1820{ 1856{
1821 ev_clear_pending (EV_A_ (W)w); 1857 ev_clear_pending (EV_A_ (W)w);
1822 if (expect_false (!ev_is_active (w))) 1858 if (expect_false (!ev_is_active (w)))
1823 return; 1859 return;
1824 1860
1825 ev_timer_stop (EV_A_ &w->timer); 1861 {
1862 int active = ((W)w)->active;
1863 forks [active - 1] = forks [--forkcnt];
1864 ((W)forks [active - 1])->active = active;
1865 }
1826 1866
1827 ev_stop (EV_A_ (W)w); 1867 ev_stop (EV_A_ (W)w);
1828} 1868}
1829#endif 1869#endif
1830 1870

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