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Comparing libev/ev.c (file contents):
Revision 1.250 by root, Thu May 22 02:44:57 2008 UTC vs.
Revision 1.256 by root, Thu Jun 19 06:53:49 2008 UTC

154#ifndef _WIN32 154#ifndef _WIN32
155# include <sys/time.h> 155# include <sys/time.h>
156# include <sys/wait.h> 156# include <sys/wait.h>
157# include <unistd.h> 157# include <unistd.h>
158#else 158#else
159# include <io.h>
159# define WIN32_LEAN_AND_MEAN 160# define WIN32_LEAN_AND_MEAN
160# include <windows.h> 161# include <windows.h>
161# ifndef EV_SELECT_IS_WINSOCKET 162# ifndef EV_SELECT_IS_WINSOCKET
162# define EV_SELECT_IS_WINSOCKET 1 163# define EV_SELECT_IS_WINSOCKET 1
163# endif 164# endif
164#endif 165#endif
165 166
166/* this block tries to deduce configuration from header-defined symbols and defaults */ 167/* this block tries to deduce configuration from header-defined symbols and defaults */
167 168
168#ifndef EV_USE_MONOTONIC 169#ifndef EV_USE_MONOTONIC
170# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
171# define EV_USE_MONOTONIC 1
172# else
169# define EV_USE_MONOTONIC 0 173# define EV_USE_MONOTONIC 0
174# endif
170#endif 175#endif
171 176
172#ifndef EV_USE_REALTIME 177#ifndef EV_USE_REALTIME
173# define EV_USE_REALTIME 0 178# define EV_USE_REALTIME 0
174#endif 179#endif
175 180
176#ifndef EV_USE_NANOSLEEP 181#ifndef EV_USE_NANOSLEEP
182# if _POSIX_C_SOURCE >= 199309L
183# define EV_USE_NANOSLEEP 1
184# else
177# define EV_USE_NANOSLEEP 0 185# define EV_USE_NANOSLEEP 0
186# endif
178#endif 187#endif
179 188
180#ifndef EV_USE_SELECT 189#ifndef EV_USE_SELECT
181# define EV_USE_SELECT 1 190# define EV_USE_SELECT 1
182#endif 191#endif
699 events |= (unsigned char)w->events; 708 events |= (unsigned char)w->events;
700 709
701#if EV_SELECT_IS_WINSOCKET 710#if EV_SELECT_IS_WINSOCKET
702 if (events) 711 if (events)
703 { 712 {
704 unsigned long argp; 713 unsigned long arg;
705 #ifdef EV_FD_TO_WIN32_HANDLE 714 #ifdef EV_FD_TO_WIN32_HANDLE
706 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 715 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
707 #else 716 #else
708 anfd->handle = _get_osfhandle (fd); 717 anfd->handle = _get_osfhandle (fd);
709 #endif 718 #endif
710 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); 719 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
711 } 720 }
712#endif 721#endif
713 722
714 { 723 {
715 unsigned char o_events = anfd->events; 724 unsigned char o_events = anfd->events;
768{ 777{
769 int fd; 778 int fd;
770 779
771 for (fd = 0; fd < anfdmax; ++fd) 780 for (fd = 0; fd < anfdmax; ++fd)
772 if (anfds [fd].events) 781 if (anfds [fd].events)
773 if (!fd_valid (fd) == -1 && errno == EBADF) 782 if (!fd_valid (fd) && errno == EBADF)
774 fd_kill (EV_A_ fd); 783 fd_kill (EV_A_ fd);
775} 784}
776 785
777/* called on ENOMEM in select/poll to kill some fds and retry */ 786/* called on ENOMEM in select/poll to kill some fds and retry */
778static void noinline 787static void noinline
937/* rebuild the heap: this function is used only once and executed rarely */ 946/* rebuild the heap: this function is used only once and executed rarely */
938void inline_size 947void inline_size
939reheap (ANHE *heap, int N) 948reheap (ANHE *heap, int N)
940{ 949{
941 int i; 950 int i;
951
942 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ 952 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
943 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ 953 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
944 for (i = 0; i < N; ++i) 954 for (i = 0; i < N; ++i)
945 upheap (heap, i + HEAP0); 955 upheap (heap, i + HEAP0);
946} 956}
947 957
948#if EV_VERIFY
949static void
950checkheap (ANHE *heap, int N)
951{
952 int i;
953
954 for (i = HEAP0; i < N + HEAP0; ++i)
955 {
956 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
957 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
958 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
959 }
960}
961#endif
962
963/*****************************************************************************/ 958/*****************************************************************************/
964 959
965typedef struct 960typedef struct
966{ 961{
967 WL head; 962 WL head;
989 984
990void inline_speed 985void inline_speed
991fd_intern (int fd) 986fd_intern (int fd)
992{ 987{
993#ifdef _WIN32 988#ifdef _WIN32
994 int arg = 1; 989 unsigned long arg = 1;
995 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 990 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
996#else 991#else
997 fcntl (fd, F_SETFD, FD_CLOEXEC); 992 fcntl (fd, F_SETFD, FD_CLOEXEC);
998 fcntl (fd, F_SETFL, O_NONBLOCK); 993 fcntl (fd, F_SETFL, O_NONBLOCK);
999#endif 994#endif
1513{ 1508{
1514 postfork = 1; /* must be in line with ev_default_fork */ 1509 postfork = 1; /* must be in line with ev_default_fork */
1515} 1510}
1516 1511
1517#if EV_VERIFY 1512#if EV_VERIFY
1518static void 1513void noinline
1514verify_watcher (EV_P_ W w)
1515{
1516 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1517
1518 if (w->pending)
1519 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1520}
1521
1522static void noinline
1523verify_heap (EV_P_ ANHE *heap, int N)
1524{
1525 int i;
1526
1527 for (i = HEAP0; i < N + HEAP0; ++i)
1528 {
1529 assert (("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])));
1531 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1532
1533 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1534 }
1535}
1536
1537static void noinline
1519array_check (W **ws, int cnt) 1538array_verify (EV_P_ W *ws, int cnt)
1520{ 1539{
1521 while (cnt--) 1540 while (cnt--)
1541 {
1522 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 1542 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1543 verify_watcher (EV_A_ ws [cnt]);
1544 }
1523} 1545}
1524#endif 1546#endif
1525 1547
1526void 1548void
1527ev_loop_verify (EV_P) 1549ev_loop_verify (EV_P)
1528{ 1550{
1529#if EV_VERIFY 1551#if EV_VERIFY
1530 int i; 1552 int i;
1553 WL w;
1531 1554
1555 assert (activecnt >= -1);
1556
1557 assert (fdchangemax >= fdchangecnt);
1558 for (i = 0; i < fdchangecnt; ++i)
1559 assert (("negative fd in fdchanges", fdchanges [i] >= 0));
1560
1561 assert (anfdmax >= 0);
1562 for (i = 0; i < anfdmax; ++i)
1563 for (w = anfds [i].head; w; w = w->next)
1564 {
1565 verify_watcher (EV_A_ (W)w);
1566 assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
1567 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1568 }
1569
1570 assert (timermax >= timercnt);
1532 checkheap (timers, timercnt); 1571 verify_heap (EV_A_ timers, timercnt);
1572
1533#if EV_PERIODIC_ENABLE 1573#if EV_PERIODIC_ENABLE
1574 assert (periodicmax >= periodiccnt);
1534 checkheap (periodics, periodiccnt); 1575 verify_heap (EV_A_ periodics, periodiccnt);
1535#endif 1576#endif
1536 1577
1578 for (i = NUMPRI; i--; )
1579 {
1580 assert (pendingmax [i] >= pendingcnt [i]);
1537#if EV_IDLE_ENABLE 1581#if EV_IDLE_ENABLE
1538 for (i = NUMPRI; i--; ) 1582 assert (idleall >= 0);
1583 assert (idlemax [i] >= idlecnt [i]);
1539 array_check ((W **)idles [i], idlecnt [i]); 1584 array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1540#endif 1585#endif
1586 }
1587
1541#if EV_FORK_ENABLE 1588#if EV_FORK_ENABLE
1589 assert (forkmax >= forkcnt);
1542 array_check ((W **)forks, forkcnt); 1590 array_verify (EV_A_ (W *)forks, forkcnt);
1543#endif 1591#endif
1592
1544#if EV_ASYNC_ENABLE 1593#if EV_ASYNC_ENABLE
1594 assert (asyncmax >= asynccnt);
1545 array_check ((W **)asyncs, asynccnt); 1595 array_verify (EV_A_ (W *)asyncs, asynccnt);
1596#endif
1597
1598 assert (preparemax >= preparecnt);
1599 array_verify (EV_A_ (W *)prepares, preparecnt);
1600
1601 assert (checkmax >= checkcnt);
1602 array_verify (EV_A_ (W *)checks, checkcnt);
1603
1604# if 0
1605 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1606 for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1546#endif 1607# endif
1547 array_check ((W **)prepares, preparecnt);
1548 array_check ((W **)checks, checkcnt);
1549#endif 1608#endif
1550} 1609}
1551 1610
1552#endif /* multiplicity */ 1611#endif /* multiplicity */
1553 1612
2509 } 2568 }
2510 2569
2511 } 2570 }
2512} 2571}
2513 2572
2573#endif
2574
2575#ifdef _WIN32
2576# define EV_LSTAT(p,b) _stati64 (p, b)
2577#else
2578# define EV_LSTAT(p,b) lstat (p, b)
2514#endif 2579#endif
2515 2580
2516void 2581void
2517ev_stat_stat (EV_P_ ev_stat *w) 2582ev_stat_stat (EV_P_ ev_stat *w)
2518{ 2583{

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