ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.257 by root, Sun Jun 29 22:32:51 2008 UTC vs.
Revision 1.275 by root, Fri Dec 12 20:35:21 2008 UTC

47# include EV_CONFIG_H 47# include EV_CONFIG_H
48# else 48# else
49# include "config.h" 49# include "config.h"
50# endif 50# endif
51 51
52# if HAVE_CLOCK_SYSCALL
53# ifndef EV_USE_CLOCK_SYSCALL
54# define EV_USE_CLOCK_SYSCALL 1
55# ifndef EV_USE_REALTIME
56# define EV_USE_REALTIME 0
57# endif
58# ifndef EV_USE_MONOTONIC
59# define EV_USE_MONOTONIC 1
60# endif
61# endif
62# endif
63
52# if HAVE_CLOCK_GETTIME 64# if HAVE_CLOCK_GETTIME
53# ifndef EV_USE_MONOTONIC 65# ifndef EV_USE_MONOTONIC
54# define EV_USE_MONOTONIC 1 66# define EV_USE_MONOTONIC 1
55# endif 67# endif
56# ifndef EV_USE_REALTIME 68# ifndef EV_USE_REALTIME
164# endif 176# endif
165#endif 177#endif
166 178
167/* this block tries to deduce configuration from header-defined symbols and defaults */ 179/* this block tries to deduce configuration from header-defined symbols and defaults */
168 180
181#ifndef EV_USE_CLOCK_SYSCALL
182# if __linux && __GLIBC__ >= 2
183# define EV_USE_CLOCK_SYSCALL 1
184# else
185# define EV_USE_CLOCK_SYSCALL 0
186# endif
187#endif
188
169#ifndef EV_USE_MONOTONIC 189#ifndef EV_USE_MONOTONIC
170# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 190# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
171# define EV_USE_MONOTONIC 1 191# define EV_USE_MONOTONIC 1
172# else 192# else
173# define EV_USE_MONOTONIC 0 193# define EV_USE_MONOTONIC 0
286# include <sys/select.h> 306# include <sys/select.h>
287# endif 307# endif
288#endif 308#endif
289 309
290#if EV_USE_INOTIFY 310#if EV_USE_INOTIFY
311# include <sys/utsname.h>
312# include <sys/statfs.h>
291# include <sys/inotify.h> 313# include <sys/inotify.h>
314/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
315# ifndef IN_DONT_FOLLOW
316# undef EV_USE_INOTIFY
317# define EV_USE_INOTIFY 0
318# endif
292#endif 319#endif
293 320
294#if EV_SELECT_IS_WINSOCKET 321#if EV_SELECT_IS_WINSOCKET
295# include <winsock.h> 322# include <winsock.h>
323#endif
324
325/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
326/* which makes programs even slower. might work on other unices, too. */
327#if EV_USE_CLOCK_SYSCALL
328# include <syscall.h>
329# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
330# undef EV_USE_MONOTONIC
331# define EV_USE_MONOTONIC 1
296#endif 332#endif
297 333
298#if EV_USE_EVENTFD 334#if EV_USE_EVENTFD
299/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 335/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
300# include <stdint.h> 336# include <stdint.h>
382{ 418{
383 syserr_cb = cb; 419 syserr_cb = cb;
384} 420}
385 421
386static void noinline 422static void noinline
387syserr (const char *msg) 423ev_syserr (const char *msg)
388{ 424{
389 if (!msg) 425 if (!msg)
390 msg = "(libev) system error"; 426 msg = "(libev) system error";
391 427
392 if (syserr_cb) 428 if (syserr_cb)
443typedef struct 479typedef struct
444{ 480{
445 WL head; 481 WL head;
446 unsigned char events; 482 unsigned char events;
447 unsigned char reify; 483 unsigned char reify;
484 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
485 unsigned char unused;
486#if EV_USE_EPOLL
487 unsigned int egen; /* generation counter to counter epoll bugs */
488#endif
448#if EV_SELECT_IS_WINSOCKET 489#if EV_SELECT_IS_WINSOCKET
449 SOCKET handle; 490 SOCKET handle;
450#endif 491#endif
451} ANFD; 492} ANFD;
452 493
605{ 646{
606 *cur = array_nextsize (elem, *cur, cnt); 647 *cur = array_nextsize (elem, *cur, cnt);
607 return ev_realloc (base, elem * *cur); 648 return ev_realloc (base, elem * *cur);
608} 649}
609 650
651#define array_init_zero(base,count) \
652 memset ((void *)(base), 0, sizeof (*(base)) * (count))
653
610#define array_needsize(type,base,cur,cnt,init) \ 654#define array_needsize(type,base,cur,cnt,init) \
611 if (expect_false ((cnt) > (cur))) \ 655 if (expect_false ((cnt) > (cur))) \
612 { \ 656 { \
613 int ocur_ = (cur); \ 657 int ocur_ = (cur); \
614 (base) = (type *)array_realloc \ 658 (base) = (type *)array_realloc \
656 for (i = 0; i < eventcnt; ++i) 700 for (i = 0; i < eventcnt; ++i)
657 ev_feed_event (EV_A_ events [i], type); 701 ev_feed_event (EV_A_ events [i], type);
658} 702}
659 703
660/*****************************************************************************/ 704/*****************************************************************************/
661
662void inline_size
663anfds_init (ANFD *base, int count)
664{
665 while (count--)
666 {
667 base->head = 0;
668 base->events = EV_NONE;
669 base->reify = 0;
670
671 ++base;
672 }
673}
674 705
675void inline_speed 706void inline_speed
676fd_event (EV_P_ int fd, int revents) 707fd_event (EV_P_ int fd, int revents)
677{ 708{
678 ANFD *anfd = anfds + fd; 709 ANFD *anfd = anfds + fd;
808 839
809 for (fd = 0; fd < anfdmax; ++fd) 840 for (fd = 0; fd < anfdmax; ++fd)
810 if (anfds [fd].events) 841 if (anfds [fd].events)
811 { 842 {
812 anfds [fd].events = 0; 843 anfds [fd].events = 0;
844 anfds [fd].emask = 0;
813 fd_change (EV_A_ fd, EV_IOFDSET | 1); 845 fd_change (EV_A_ fd, EV_IOFDSET | 1);
814 } 846 }
815} 847}
816 848
817/*****************************************************************************/ 849/*****************************************************************************/
969static ANSIG *signals; 1001static ANSIG *signals;
970static int signalmax; 1002static int signalmax;
971 1003
972static EV_ATOMIC_T gotsig; 1004static EV_ATOMIC_T gotsig;
973 1005
974void inline_size
975signals_init (ANSIG *base, int count)
976{
977 while (count--)
978 {
979 base->head = 0;
980 base->gotsig = 0;
981
982 ++base;
983 }
984}
985
986/*****************************************************************************/ 1006/*****************************************************************************/
987 1007
988void inline_speed 1008void inline_speed
989fd_intern (int fd) 1009fd_intern (int fd)
990{ 1010{
1011 } 1031 }
1012 else 1032 else
1013#endif 1033#endif
1014 { 1034 {
1015 while (pipe (evpipe)) 1035 while (pipe (evpipe))
1016 syserr ("(libev) error creating signal/async pipe"); 1036 ev_syserr ("(libev) error creating signal/async pipe");
1017 1037
1018 fd_intern (evpipe [0]); 1038 fd_intern (evpipe [0]);
1019 fd_intern (evpipe [1]); 1039 fd_intern (evpipe [1]);
1020 ev_io_set (&pipeev, evpipe [0], EV_READ); 1040 ev_io_set (&pipeev, evpipe [0], EV_READ);
1021 } 1041 }
1511{ 1531{
1512 postfork = 1; /* must be in line with ev_default_fork */ 1532 postfork = 1; /* must be in line with ev_default_fork */
1513} 1533}
1514 1534
1515#if EV_VERIFY 1535#if EV_VERIFY
1516void noinline 1536static void noinline
1517verify_watcher (EV_P_ W w) 1537verify_watcher (EV_P_ W w)
1518{ 1538{
1519 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 1539 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1520 1540
1521 if (w->pending) 1541 if (w->pending)
1652{ 1672{
1653#if EV_MULTIPLICITY 1673#if EV_MULTIPLICITY
1654 struct ev_loop *loop = ev_default_loop_ptr; 1674 struct ev_loop *loop = ev_default_loop_ptr;
1655#endif 1675#endif
1656 1676
1677 ev_default_loop_ptr = 0;
1678
1657#ifndef _WIN32 1679#ifndef _WIN32
1658 ev_ref (EV_A); /* child watcher */ 1680 ev_ref (EV_A); /* child watcher */
1659 ev_signal_stop (EV_A_ &childev); 1681 ev_signal_stop (EV_A_ &childev);
1660#endif 1682#endif
1661 1683
1667{ 1689{
1668#if EV_MULTIPLICITY 1690#if EV_MULTIPLICITY
1669 struct ev_loop *loop = ev_default_loop_ptr; 1691 struct ev_loop *loop = ev_default_loop_ptr;
1670#endif 1692#endif
1671 1693
1672 if (backend)
1673 postfork = 1; /* must be in line with ev_loop_fork */ 1694 postfork = 1; /* must be in line with ev_loop_fork */
1674} 1695}
1675 1696
1676/*****************************************************************************/ 1697/*****************************************************************************/
1677 1698
1678void 1699void
1909ev_unref (EV_P) 1930ev_unref (EV_P)
1910{ 1931{
1911 --activecnt; 1932 --activecnt;
1912} 1933}
1913 1934
1935void
1936ev_now_update (EV_P)
1937{
1938 time_update (EV_A_ 1e100);
1939}
1940
1914static int loop_done; 1941static int loop_done;
1915 1942
1916void 1943void
1917ev_loop (EV_P_ int flags) 1944ev_loop (EV_P_ int flags)
1918{ 1945{
2127 2154
2128 if (expect_false (ev_is_active (w))) 2155 if (expect_false (ev_is_active (w)))
2129 return; 2156 return;
2130 2157
2131 assert (("ev_io_start called with negative fd", fd >= 0)); 2158 assert (("ev_io_start called with negative fd", fd >= 0));
2159 assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
2132 2160
2133 EV_FREQUENT_CHECK; 2161 EV_FREQUENT_CHECK;
2134 2162
2135 ev_start (EV_A_ (W)w, 1); 2163 ev_start (EV_A_ (W)w, 1);
2136 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2164 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2137 wlist_add (&anfds[fd].head, (WL)w); 2165 wlist_add (&anfds[fd].head, (WL)w);
2138 2166
2139 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2167 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
2140 w->events &= ~EV_IOFDSET; 2168 w->events &= ~EV_IOFDSET;
2141 2169
2333 sigset_t full, prev; 2361 sigset_t full, prev;
2334 sigfillset (&full); 2362 sigfillset (&full);
2335 sigprocmask (SIG_SETMASK, &full, &prev); 2363 sigprocmask (SIG_SETMASK, &full, &prev);
2336#endif 2364#endif
2337 2365
2338 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 2366 array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2339 2367
2340#ifndef _WIN32 2368#ifndef _WIN32
2341 sigprocmask (SIG_SETMASK, &prev, 0); 2369 sigprocmask (SIG_SETMASK, &prev, 0);
2342#endif 2370#endif
2343 } 2371 }
2416# ifdef _WIN32 2444# ifdef _WIN32
2417# undef lstat 2445# undef lstat
2418# define lstat(a,b) _stati64 (a,b) 2446# define lstat(a,b) _stati64 (a,b)
2419# endif 2447# endif
2420 2448
2421#define DEF_STAT_INTERVAL 5.0074891 2449#define DEF_STAT_INTERVAL 5.0074891
2450#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2422#define MIN_STAT_INTERVAL 0.1074891 2451#define MIN_STAT_INTERVAL 0.1074891
2423 2452
2424static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 2453static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2425 2454
2426#if EV_USE_INOTIFY 2455#if EV_USE_INOTIFY
2427# define EV_INOTIFY_BUFSIZE 8192 2456# define EV_INOTIFY_BUFSIZE 8192
2431{ 2460{
2432 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); 2461 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
2433 2462
2434 if (w->wd < 0) 2463 if (w->wd < 0)
2435 { 2464 {
2465 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2436 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ 2466 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2437 2467
2438 /* monitor some parent directory for speedup hints */ 2468 /* monitor some parent directory for speedup hints */
2439 /* note that exceeding the hardcoded limit is not a correctness issue, */ 2469 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2440 /* but an efficiency issue only */ 2470 /* but an efficiency issue only */
2441 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 2471 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2442 { 2472 {
2443 char path [4096]; 2473 char path [4096];
2444 strcpy (path, w->path); 2474 strcpy (path, w->path);
2448 int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF 2478 int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF
2449 | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); 2479 | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);
2450 2480
2451 char *pend = strrchr (path, '/'); 2481 char *pend = strrchr (path, '/');
2452 2482
2453 if (!pend) 2483 if (!pend || pend == path)
2454 break; /* whoops, no '/', complain to your admin */ 2484 break;
2455 2485
2456 *pend = 0; 2486 *pend = 0;
2457 w->wd = inotify_add_watch (fs_fd, path, mask); 2487 w->wd = inotify_add_watch (fs_fd, path, mask);
2458 } 2488 }
2459 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2489 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2460 } 2490 }
2461 } 2491 }
2462 else
2463 ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
2464 2492
2465 if (w->wd >= 0) 2493 if (w->wd >= 0)
2494 {
2466 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2495 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2496
2497 /* now local changes will be tracked by inotify, but remote changes won't */
2498 /* unless the filesystem it known to be local, we therefore still poll */
2499 /* also do poll on <2.6.25, but with normal frequency */
2500 struct statfs sfs;
2501
2502 if (fs_2625 && !statfs (w->path, &sfs))
2503 if (sfs.f_type == 0x1373 /* devfs */
2504 || sfs.f_type == 0xEF53 /* ext2/3 */
2505 || sfs.f_type == 0x3153464a /* jfs */
2506 || sfs.f_type == 0x52654973 /* reiser3 */
2507 || sfs.f_type == 0x01021994 /* tempfs */
2508 || sfs.f_type == 0x58465342 /* xfs */)
2509 return;
2510
2511 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2512 ev_timer_again (EV_A_ &w->timer);
2513 }
2467} 2514}
2468 2515
2469static void noinline 2516static void noinline
2470infy_del (EV_P_ ev_stat *w) 2517infy_del (EV_P_ ev_stat *w)
2471{ 2518{
2485 2532
2486static void noinline 2533static void noinline
2487infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 2534infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2488{ 2535{
2489 if (slot < 0) 2536 if (slot < 0)
2490 /* overflow, need to check for all hahs slots */ 2537 /* overflow, need to check for all hash slots */
2491 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 2538 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2492 infy_wd (EV_A_ slot, wd, ev); 2539 infy_wd (EV_A_ slot, wd, ev);
2493 else 2540 else
2494 { 2541 {
2495 WL w_; 2542 WL w_;
2501 2548
2502 if (w->wd == wd || wd == -1) 2549 if (w->wd == wd || wd == -1)
2503 { 2550 {
2504 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 2551 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2505 { 2552 {
2553 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2506 w->wd = -1; 2554 w->wd = -1;
2507 infy_add (EV_A_ w); /* re-add, no matter what */ 2555 infy_add (EV_A_ w); /* re-add, no matter what */
2508 } 2556 }
2509 2557
2510 stat_timer_cb (EV_A_ &w->timer, 0); 2558 stat_timer_cb (EV_A_ &w->timer, 0);
2524 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 2572 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2525 infy_wd (EV_A_ ev->wd, ev->wd, ev); 2573 infy_wd (EV_A_ ev->wd, ev->wd, ev);
2526} 2574}
2527 2575
2528void inline_size 2576void inline_size
2577check_2625 (EV_P)
2578{
2579 /* kernels < 2.6.25 are borked
2580 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2581 */
2582 struct utsname buf;
2583 int major, minor, micro;
2584
2585 if (uname (&buf))
2586 return;
2587
2588 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2589 return;
2590
2591 if (major < 2
2592 || (major == 2 && minor < 6)
2593 || (major == 2 && minor == 6 && micro < 25))
2594 return;
2595
2596 fs_2625 = 1;
2597}
2598
2599void inline_size
2529infy_init (EV_P) 2600infy_init (EV_P)
2530{ 2601{
2531 if (fs_fd != -2) 2602 if (fs_fd != -2)
2532 return; 2603 return;
2604
2605 fs_fd = -1;
2606
2607 check_2625 (EV_A);
2533 2608
2534 fs_fd = inotify_init (); 2609 fs_fd = inotify_init ();
2535 2610
2536 if (fs_fd >= 0) 2611 if (fs_fd >= 0)
2537 { 2612 {
2565 w->wd = -1; 2640 w->wd = -1;
2566 2641
2567 if (fs_fd >= 0) 2642 if (fs_fd >= 0)
2568 infy_add (EV_A_ w); /* re-add, no matter what */ 2643 infy_add (EV_A_ w); /* re-add, no matter what */
2569 else 2644 else
2570 ev_timer_start (EV_A_ &w->timer); 2645 ev_timer_again (EV_A_ &w->timer);
2571 } 2646 }
2572
2573 } 2647 }
2574} 2648}
2575 2649
2576#endif 2650#endif
2577 2651
2613 || w->prev.st_atime != w->attr.st_atime 2687 || w->prev.st_atime != w->attr.st_atime
2614 || w->prev.st_mtime != w->attr.st_mtime 2688 || w->prev.st_mtime != w->attr.st_mtime
2615 || w->prev.st_ctime != w->attr.st_ctime 2689 || w->prev.st_ctime != w->attr.st_ctime
2616 ) { 2690 ) {
2617 #if EV_USE_INOTIFY 2691 #if EV_USE_INOTIFY
2692 if (fs_fd >= 0)
2693 {
2618 infy_del (EV_A_ w); 2694 infy_del (EV_A_ w);
2619 infy_add (EV_A_ w); 2695 infy_add (EV_A_ w);
2620 ev_stat_stat (EV_A_ w); /* avoid race... */ 2696 ev_stat_stat (EV_A_ w); /* avoid race... */
2697 }
2621 #endif 2698 #endif
2622 2699
2623 ev_feed_event (EV_A_ w, EV_STAT); 2700 ev_feed_event (EV_A_ w, EV_STAT);
2624 } 2701 }
2625} 2702}
2628ev_stat_start (EV_P_ ev_stat *w) 2705ev_stat_start (EV_P_ ev_stat *w)
2629{ 2706{
2630 if (expect_false (ev_is_active (w))) 2707 if (expect_false (ev_is_active (w)))
2631 return; 2708 return;
2632 2709
2633 /* since we use memcmp, we need to clear any padding data etc. */
2634 memset (&w->prev, 0, sizeof (ev_statdata));
2635 memset (&w->attr, 0, sizeof (ev_statdata));
2636
2637 ev_stat_stat (EV_A_ w); 2710 ev_stat_stat (EV_A_ w);
2638 2711
2712 if (w->interval < MIN_STAT_INTERVAL && w->interval)
2639 if (w->interval < MIN_STAT_INTERVAL) 2713 w->interval = MIN_STAT_INTERVAL;
2640 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2641 2714
2642 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); 2715 ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2643 ev_set_priority (&w->timer, ev_priority (w)); 2716 ev_set_priority (&w->timer, ev_priority (w));
2644 2717
2645#if EV_USE_INOTIFY 2718#if EV_USE_INOTIFY
2646 infy_init (EV_A); 2719 infy_init (EV_A);
2647 2720
2648 if (fs_fd >= 0) 2721 if (fs_fd >= 0)
2649 infy_add (EV_A_ w); 2722 infy_add (EV_A_ w);
2650 else 2723 else
2651#endif 2724#endif
2652 ev_timer_start (EV_A_ &w->timer); 2725 ev_timer_again (EV_A_ &w->timer);
2653 2726
2654 ev_start (EV_A_ (W)w, 1); 2727 ev_start (EV_A_ (W)w, 1);
2655 2728
2656 EV_FREQUENT_CHECK; 2729 EV_FREQUENT_CHECK;
2657} 2730}
2827 ev_loop (EV_A_ EVLOOP_NONBLOCK); 2900 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2828 } 2901 }
2829 } 2902 }
2830} 2903}
2831 2904
2905static void
2906embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
2907{
2908 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2909
2910 {
2911 struct ev_loop *loop = w->other;
2912
2913 ev_loop_fork (EV_A);
2914 }
2915}
2916
2832#if 0 2917#if 0
2833static void 2918static void
2834embed_idle_cb (EV_P_ ev_idle *idle, int revents) 2919embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2835{ 2920{
2836 ev_idle_stop (EV_A_ idle); 2921 ev_idle_stop (EV_A_ idle);
2856 2941
2857 ev_prepare_init (&w->prepare, embed_prepare_cb); 2942 ev_prepare_init (&w->prepare, embed_prepare_cb);
2858 ev_set_priority (&w->prepare, EV_MINPRI); 2943 ev_set_priority (&w->prepare, EV_MINPRI);
2859 ev_prepare_start (EV_A_ &w->prepare); 2944 ev_prepare_start (EV_A_ &w->prepare);
2860 2945
2946 ev_fork_init (&w->fork, embed_fork_cb);
2947 ev_fork_start (EV_A_ &w->fork);
2948
2861 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2949 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2862 2950
2863 ev_start (EV_A_ (W)w, 1); 2951 ev_start (EV_A_ (W)w, 1);
2864 2952
2865 EV_FREQUENT_CHECK; 2953 EV_FREQUENT_CHECK;
2872 if (expect_false (!ev_is_active (w))) 2960 if (expect_false (!ev_is_active (w)))
2873 return; 2961 return;
2874 2962
2875 EV_FREQUENT_CHECK; 2963 EV_FREQUENT_CHECK;
2876 2964
2877 ev_io_stop (EV_A_ &w->io); 2965 ev_io_stop (EV_A_ &w->io);
2878 ev_prepare_stop (EV_A_ &w->prepare); 2966 ev_prepare_stop (EV_A_ &w->prepare);
2879 2967 ev_fork_stop (EV_A_ &w->fork);
2880 ev_stop (EV_A_ (W)w);
2881 2968
2882 EV_FREQUENT_CHECK; 2969 EV_FREQUENT_CHECK;
2883} 2970}
2884#endif 2971#endif
2885 2972
2982once_cb (EV_P_ struct ev_once *once, int revents) 3069once_cb (EV_P_ struct ev_once *once, int revents)
2983{ 3070{
2984 void (*cb)(int revents, void *arg) = once->cb; 3071 void (*cb)(int revents, void *arg) = once->cb;
2985 void *arg = once->arg; 3072 void *arg = once->arg;
2986 3073
2987 ev_io_stop (EV_A_ &once->io); 3074 ev_io_stop (EV_A_ &once->io);
2988 ev_timer_stop (EV_A_ &once->to); 3075 ev_timer_stop (EV_A_ &once->to);
2989 ev_free (once); 3076 ev_free (once);
2990 3077
2991 cb (revents, arg); 3078 cb (revents, arg);
2992} 3079}
2993 3080
2994static void 3081static void
2995once_cb_io (EV_P_ ev_io *w, int revents) 3082once_cb_io (EV_P_ ev_io *w, int revents)
2996{ 3083{
2997 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 3084 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
3085
3086 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2998} 3087}
2999 3088
3000static void 3089static void
3001once_cb_to (EV_P_ ev_timer *w, int revents) 3090once_cb_to (EV_P_ ev_timer *w, int revents)
3002{ 3091{
3003 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 3092 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
3093
3094 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3004} 3095}
3005 3096
3006void 3097void
3007ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 3098ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
3008{ 3099{

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines