… | |
… | |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
224 | |
224 | |
225 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
|
|
228 | # if EV_MINIMAL |
|
|
229 | # define noinline __attribute__ ((noinline)) |
227 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
|
|
231 | # else |
|
|
232 | # define noinline |
|
|
233 | # define inline_speed static inline |
|
|
234 | # endif |
|
|
235 | #else |
228 | #else |
236 | # define expect(expr,value) (expr) |
229 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
|
|
238 | # define inline_size static |
|
|
239 | # define noinline |
230 | # define noinline |
|
|
231 | # if __STDC_VERSION__ < 199901L |
|
|
232 | # define inline |
|
|
233 | # endif |
240 | #endif |
234 | #endif |
241 | |
235 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
236 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
237 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
238 | #define inline_size static inline |
|
|
239 | |
|
|
240 | #if EV_MINIMAL |
|
|
241 | # define inline_speed static noinline |
|
|
242 | #else |
|
|
243 | # define inline_speed static inline |
|
|
244 | #endif |
244 | |
245 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
248 | |
248 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
… | |
… | |
417 | } |
418 | } |
418 | |
419 | |
419 | return ncur; |
420 | return ncur; |
420 | } |
421 | } |
421 | |
422 | |
422 | inline_speed void * |
423 | static noinline void * |
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
424 | array_realloc (int elem, void *base, int *cur, int cnt) |
424 | { |
425 | { |
425 | *cur = array_nextsize (elem, *cur, cnt); |
426 | *cur = array_nextsize (elem, *cur, cnt); |
426 | return ev_realloc (base, elem * *cur); |
427 | return ev_realloc (base, elem * *cur); |
427 | } |
428 | } |
… | |
… | |
452 | |
453 | |
453 | void noinline |
454 | void noinline |
454 | ev_feed_event (EV_P_ void *w, int revents) |
455 | ev_feed_event (EV_P_ void *w, int revents) |
455 | { |
456 | { |
456 | W w_ = (W)w; |
457 | W w_ = (W)w; |
|
|
458 | int pri = ABSPRI (w_); |
457 | |
459 | |
458 | if (expect_false (w_->pending)) |
460 | if (expect_false (w_->pending)) |
|
|
461 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
462 | else |
459 | { |
463 | { |
|
|
464 | w_->pending = ++pendingcnt [pri]; |
|
|
465 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
466 | pendings [pri][w_->pending - 1].w = w_; |
460 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
467 | pendings [pri][w_->pending - 1].events = revents; |
461 | return; |
|
|
462 | } |
468 | } |
463 | |
|
|
464 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
465 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
466 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
467 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
468 | } |
469 | } |
469 | |
470 | |
470 | void inline_size |
471 | void inline_size |
471 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | { |
473 | { |
… | |
… | |
748 | for (signum = signalmax; signum--; ) |
749 | for (signum = signalmax; signum--; ) |
749 | if (signals [signum].gotsig) |
750 | if (signals [signum].gotsig) |
750 | ev_feed_signal_event (EV_A_ signum + 1); |
751 | ev_feed_signal_event (EV_A_ signum + 1); |
751 | } |
752 | } |
752 | |
753 | |
753 | void inline_size |
754 | void inline_speed |
754 | fd_intern (int fd) |
755 | fd_intern (int fd) |
755 | { |
756 | { |
756 | #ifdef _WIN32 |
757 | #ifdef _WIN32 |
757 | int arg = 1; |
758 | int arg = 1; |
758 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
759 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
1236 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1237 | downheap ((WT *)periodics, periodiccnt, 0); |
1238 | downheap ((WT *)periodics, periodiccnt, 0); |
1238 | } |
1239 | } |
1239 | else if (w->interval) |
1240 | else if (w->interval) |
1240 | { |
1241 | { |
1241 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1242 | ((WT)w)->at = w->offset + floor ((ev_rt_now - w->offset) / w->interval + 1.) * w->interval; |
1242 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1243 | downheap ((WT *)periodics, periodiccnt, 0); |
1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1244 | } |
1245 | } |
1245 | else |
1246 | else |
1246 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
1260 | ev_periodic *w = periodics [i]; |
1261 | ev_periodic *w = periodics [i]; |
1261 | |
1262 | |
1262 | if (w->reschedule_cb) |
1263 | if (w->reschedule_cb) |
1263 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1264 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1264 | else if (w->interval) |
1265 | else if (w->interval) |
1265 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1266 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1266 | } |
1267 | } |
1267 | |
1268 | |
1268 | /* now rebuild the heap */ |
1269 | /* now rebuild the heap */ |
1269 | for (i = periodiccnt >> 1; i--; ) |
1270 | for (i = periodiccnt >> 1; i--; ) |
1270 | downheap ((WT *)periodics, periodiccnt, i); |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
… | |
… | |
1413 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1414 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1414 | call_pending (EV_A); |
1415 | call_pending (EV_A); |
1415 | } |
1416 | } |
1416 | #endif |
1417 | #endif |
1417 | |
1418 | |
1418 | /* queue check watchers (and execute them) */ |
1419 | /* queue prepare watchers (and execute them) */ |
1419 | if (expect_false (preparecnt)) |
1420 | if (expect_false (preparecnt)) |
1420 | { |
1421 | { |
1421 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1422 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1422 | call_pending (EV_A); |
1423 | call_pending (EV_A); |
1423 | } |
1424 | } |
… | |
… | |
1545 | ev_clear_pending (EV_P_ void *w) |
1546 | ev_clear_pending (EV_P_ void *w) |
1546 | { |
1547 | { |
1547 | W w_ = (W)w; |
1548 | W w_ = (W)w; |
1548 | int pending = w_->pending; |
1549 | int pending = w_->pending; |
1549 | |
1550 | |
1550 | if (!pending) |
1551 | if (expect_true (pending)) |
|
|
1552 | { |
|
|
1553 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1554 | w_->pending = 0; |
|
|
1555 | p->w = 0; |
|
|
1556 | return p->events; |
|
|
1557 | } |
|
|
1558 | else |
1551 | return 0; |
1559 | return 0; |
1552 | |
|
|
1553 | w_->pending = 0; |
|
|
1554 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1555 | p->w = 0; |
|
|
1556 | |
|
|
1557 | return p->events; |
|
|
1558 | } |
1560 | } |
1559 | |
1561 | |
1560 | void inline_size |
1562 | void inline_size |
1561 | pri_adjust (EV_P_ W w) |
1563 | pri_adjust (EV_P_ W w) |
1562 | { |
1564 | { |
… | |
… | |
1581 | w->active = 0; |
1583 | w->active = 0; |
1582 | } |
1584 | } |
1583 | |
1585 | |
1584 | /*****************************************************************************/ |
1586 | /*****************************************************************************/ |
1585 | |
1587 | |
1586 | void |
1588 | void noinline |
1587 | ev_io_start (EV_P_ ev_io *w) |
1589 | ev_io_start (EV_P_ ev_io *w) |
1588 | { |
1590 | { |
1589 | int fd = w->fd; |
1591 | int fd = w->fd; |
1590 | |
1592 | |
1591 | if (expect_false (ev_is_active (w))) |
1593 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1598 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1600 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1599 | |
1601 | |
1600 | fd_change (EV_A_ fd); |
1602 | fd_change (EV_A_ fd); |
1601 | } |
1603 | } |
1602 | |
1604 | |
1603 | void |
1605 | void noinline |
1604 | ev_io_stop (EV_P_ ev_io *w) |
1606 | ev_io_stop (EV_P_ ev_io *w) |
1605 | { |
1607 | { |
1606 | clear_pending (EV_A_ (W)w); |
1608 | clear_pending (EV_A_ (W)w); |
1607 | if (expect_false (!ev_is_active (w))) |
1609 | if (expect_false (!ev_is_active (w))) |
1608 | return; |
1610 | return; |
… | |
… | |
1613 | ev_stop (EV_A_ (W)w); |
1615 | ev_stop (EV_A_ (W)w); |
1614 | |
1616 | |
1615 | fd_change (EV_A_ w->fd); |
1617 | fd_change (EV_A_ w->fd); |
1616 | } |
1618 | } |
1617 | |
1619 | |
1618 | void |
1620 | void noinline |
1619 | ev_timer_start (EV_P_ ev_timer *w) |
1621 | ev_timer_start (EV_P_ ev_timer *w) |
1620 | { |
1622 | { |
1621 | if (expect_false (ev_is_active (w))) |
1623 | if (expect_false (ev_is_active (w))) |
1622 | return; |
1624 | return; |
1623 | |
1625 | |
… | |
… | |
1631 | upheap ((WT *)timers, timercnt - 1); |
1633 | upheap ((WT *)timers, timercnt - 1); |
1632 | |
1634 | |
1633 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1635 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1634 | } |
1636 | } |
1635 | |
1637 | |
1636 | void |
1638 | void noinline |
1637 | ev_timer_stop (EV_P_ ev_timer *w) |
1639 | ev_timer_stop (EV_P_ ev_timer *w) |
1638 | { |
1640 | { |
1639 | clear_pending (EV_A_ (W)w); |
1641 | clear_pending (EV_A_ (W)w); |
1640 | if (expect_false (!ev_is_active (w))) |
1642 | if (expect_false (!ev_is_active (w))) |
1641 | return; |
1643 | return; |
… | |
… | |
1655 | ((WT)w)->at -= mn_now; |
1657 | ((WT)w)->at -= mn_now; |
1656 | |
1658 | |
1657 | ev_stop (EV_A_ (W)w); |
1659 | ev_stop (EV_A_ (W)w); |
1658 | } |
1660 | } |
1659 | |
1661 | |
1660 | void |
1662 | void noinline |
1661 | ev_timer_again (EV_P_ ev_timer *w) |
1663 | ev_timer_again (EV_P_ ev_timer *w) |
1662 | { |
1664 | { |
1663 | if (ev_is_active (w)) |
1665 | if (ev_is_active (w)) |
1664 | { |
1666 | { |
1665 | if (w->repeat) |
1667 | if (w->repeat) |
… | |
… | |
1676 | ev_timer_start (EV_A_ w); |
1678 | ev_timer_start (EV_A_ w); |
1677 | } |
1679 | } |
1678 | } |
1680 | } |
1679 | |
1681 | |
1680 | #if EV_PERIODIC_ENABLE |
1682 | #if EV_PERIODIC_ENABLE |
1681 | void |
1683 | void noinline |
1682 | ev_periodic_start (EV_P_ ev_periodic *w) |
1684 | ev_periodic_start (EV_P_ ev_periodic *w) |
1683 | { |
1685 | { |
1684 | if (expect_false (ev_is_active (w))) |
1686 | if (expect_false (ev_is_active (w))) |
1685 | return; |
1687 | return; |
1686 | |
1688 | |
… | |
… | |
1688 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1690 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1689 | else if (w->interval) |
1691 | else if (w->interval) |
1690 | { |
1692 | { |
1691 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1693 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1692 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1694 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1693 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1695 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1694 | } |
1696 | } |
|
|
1697 | else |
|
|
1698 | ((WT)w)->at = w->offset; |
1695 | |
1699 | |
1696 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1700 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1697 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1701 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1698 | periodics [periodiccnt - 1] = w; |
1702 | periodics [periodiccnt - 1] = w; |
1699 | upheap ((WT *)periodics, periodiccnt - 1); |
1703 | upheap ((WT *)periodics, periodiccnt - 1); |
1700 | |
1704 | |
1701 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1705 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1702 | } |
1706 | } |
1703 | |
1707 | |
1704 | void |
1708 | void noinline |
1705 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1709 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1706 | { |
1710 | { |
1707 | clear_pending (EV_A_ (W)w); |
1711 | clear_pending (EV_A_ (W)w); |
1708 | if (expect_false (!ev_is_active (w))) |
1712 | if (expect_false (!ev_is_active (w))) |
1709 | return; |
1713 | return; |
… | |
… | |
1721 | } |
1725 | } |
1722 | |
1726 | |
1723 | ev_stop (EV_A_ (W)w); |
1727 | ev_stop (EV_A_ (W)w); |
1724 | } |
1728 | } |
1725 | |
1729 | |
1726 | void |
1730 | void noinline |
1727 | ev_periodic_again (EV_P_ ev_periodic *w) |
1731 | ev_periodic_again (EV_P_ ev_periodic *w) |
1728 | { |
1732 | { |
1729 | /* TODO: use adjustheap and recalculation */ |
1733 | /* TODO: use adjustheap and recalculation */ |
1730 | ev_periodic_stop (EV_A_ w); |
1734 | ev_periodic_stop (EV_A_ w); |
1731 | ev_periodic_start (EV_A_ w); |
1735 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1734 | |
1738 | |
1735 | #ifndef SA_RESTART |
1739 | #ifndef SA_RESTART |
1736 | # define SA_RESTART 0 |
1740 | # define SA_RESTART 0 |
1737 | #endif |
1741 | #endif |
1738 | |
1742 | |
1739 | void |
1743 | void noinline |
1740 | ev_signal_start (EV_P_ ev_signal *w) |
1744 | ev_signal_start (EV_P_ ev_signal *w) |
1741 | { |
1745 | { |
1742 | #if EV_MULTIPLICITY |
1746 | #if EV_MULTIPLICITY |
1743 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1747 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1744 | #endif |
1748 | #endif |
… | |
… | |
1763 | sigaction (w->signum, &sa, 0); |
1767 | sigaction (w->signum, &sa, 0); |
1764 | #endif |
1768 | #endif |
1765 | } |
1769 | } |
1766 | } |
1770 | } |
1767 | |
1771 | |
1768 | void |
1772 | void noinline |
1769 | ev_signal_stop (EV_P_ ev_signal *w) |
1773 | ev_signal_stop (EV_P_ ev_signal *w) |
1770 | { |
1774 | { |
1771 | clear_pending (EV_A_ (W)w); |
1775 | clear_pending (EV_A_ (W)w); |
1772 | if (expect_false (!ev_is_active (w))) |
1776 | if (expect_false (!ev_is_active (w))) |
1773 | return; |
1777 | return; |