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Comparing libev/ev.c (file contents):
Revision 1.261 by root, Mon Sep 29 03:31:14 2008 UTC vs.
Revision 1.265 by root, Thu Oct 23 04:56:49 2008 UTC

… …
286# include <sys/select.h> 286# include <sys/select.h>
287# endif 287# endif
288#endif 288#endif
289 289
290#if EV_USE_INOTIFY 290#if EV_USE_INOTIFY
291# include <sys/utsname.h>
291# include <sys/inotify.h> 292# include <sys/inotify.h>
293/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
294# ifndef IN_DONT_FOLLOW
295# undef EV_USE_INOTIFY
296# define EV_USE_INOTIFY 0
297# endif
292#endif 298#endif
293 299
294#if EV_SELECT_IS_WINSOCKET 300#if EV_SELECT_IS_WINSOCKET
295# include <winsock.h> 301# include <winsock.h>
296#endif 302#endif
… …
443typedef struct 449typedef struct
444{ 450{
445 WL head; 451 WL head;
446 unsigned char events; 452 unsigned char events;
447 unsigned char reify; 453 unsigned char reify;
454 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
455 unsigned char unused; /* currently unused padding */
448#if EV_SELECT_IS_WINSOCKET 456#if EV_SELECT_IS_WINSOCKET
449 SOCKET handle; 457 SOCKET handle;
450#endif 458#endif
451} ANFD; 459} ANFD;
452 460
… …
605{ 613{
606 *cur = array_nextsize (elem, *cur, cnt); 614 *cur = array_nextsize (elem, *cur, cnt);
607 return ev_realloc (base, elem * *cur); 615 return ev_realloc (base, elem * *cur);
608} 616}
609 617
618#define array_init_zero(base,count) \
619 memset ((void *)(base), 0, sizeof (*(base)) * (count))
620
610#define array_needsize(type,base,cur,cnt,init) \ 621#define array_needsize(type,base,cur,cnt,init) \
611 if (expect_false ((cnt) > (cur))) \ 622 if (expect_false ((cnt) > (cur))) \
612 { \ 623 { \
613 int ocur_ = (cur); \ 624 int ocur_ = (cur); \
614 (base) = (type *)array_realloc \ 625 (base) = (type *)array_realloc \
… …
656 for (i = 0; i < eventcnt; ++i) 667 for (i = 0; i < eventcnt; ++i)
657 ev_feed_event (EV_A_ events [i], type); 668 ev_feed_event (EV_A_ events [i], type);
658} 669}
659 670
660/*****************************************************************************/ 671/*****************************************************************************/
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}
674 672
675void inline_speed 673void inline_speed
676fd_event (EV_P_ int fd, int revents) 674fd_event (EV_P_ int fd, int revents)
677{ 675{
678 ANFD *anfd = anfds + fd; 676 ANFD *anfd = anfds + fd;
… …
969static ANSIG *signals; 967static ANSIG *signals;
970static int signalmax; 968static int signalmax;
971 969
972static EV_ATOMIC_T gotsig; 970static EV_ATOMIC_T gotsig;
973 971
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/*****************************************************************************/ 972/*****************************************************************************/
987 973
988void inline_speed 974void inline_speed
989fd_intern (int fd) 975fd_intern (int fd)
990{ 976{
… …
2133 2119
2134 if (expect_false (ev_is_active (w))) 2120 if (expect_false (ev_is_active (w)))
2135 return; 2121 return;
2136 2122
2137 assert (("ev_io_start called with negative fd", fd >= 0)); 2123 assert (("ev_io_start called with negative fd", fd >= 0));
2124 assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
2138 2125
2139 EV_FREQUENT_CHECK; 2126 EV_FREQUENT_CHECK;
2140 2127
2141 ev_start (EV_A_ (W)w, 1); 2128 ev_start (EV_A_ (W)w, 1);
2142 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2129 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2143 wlist_add (&anfds[fd].head, (WL)w); 2130 wlist_add (&anfds[fd].head, (WL)w);
2144 2131
2145 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2132 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
2146 w->events &= ~EV_IOFDSET; 2133 w->events &= ~EV_IOFDSET;
2147 2134
… …
2339 sigset_t full, prev; 2326 sigset_t full, prev;
2340 sigfillset (&full); 2327 sigfillset (&full);
2341 sigprocmask (SIG_SETMASK, &full, &prev); 2328 sigprocmask (SIG_SETMASK, &full, &prev);
2342#endif 2329#endif
2343 2330
2344 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 2331 array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2345 2332
2346#ifndef _WIN32 2333#ifndef _WIN32
2347 sigprocmask (SIG_SETMASK, &prev, 0); 2334 sigprocmask (SIG_SETMASK, &prev, 0);
2348#endif 2335#endif
2349 } 2336 }
… …
2491 2478
2492static void noinline 2479static void noinline
2493infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 2480infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2494{ 2481{
2495 if (slot < 0) 2482 if (slot < 0)
2496 /* overflow, need to check for all hahs slots */ 2483 /* overflow, need to check for all hash slots */
2497 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 2484 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2498 infy_wd (EV_A_ slot, wd, ev); 2485 infy_wd (EV_A_ slot, wd, ev);
2499 else 2486 else
2500 { 2487 {
2501 WL w_; 2488 WL w_;
… …
2535infy_init (EV_P) 2522infy_init (EV_P)
2536{ 2523{
2537 if (fs_fd != -2) 2524 if (fs_fd != -2)
2538 return; 2525 return;
2539 2526
2527 /* kernels < 2.6.25 are borked
2528 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2529 */
2530 {
2531 struct utsname buf;
2532 int major, minor, micro;
2533
2534 fs_fd = -1;
2535
2536 if (uname (&buf))
2537 return;
2538
2539 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2540 return;
2541
2542 if (major < 2
2543 || (major == 2 && minor < 6)
2544 || (major == 2 && minor == 6 && micro < 25))
2545 return;
2546 }
2547
2540 fs_fd = inotify_init (); 2548 fs_fd = inotify_init ();
2541 2549
2542 if (fs_fd >= 0) 2550 if (fs_fd >= 0)
2543 { 2551 {
2544 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); 2552 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
… …
2573 if (fs_fd >= 0) 2581 if (fs_fd >= 0)
2574 infy_add (EV_A_ w); /* re-add, no matter what */ 2582 infy_add (EV_A_ w); /* re-add, no matter what */
2575 else 2583 else
2576 ev_timer_start (EV_A_ &w->timer); 2584 ev_timer_start (EV_A_ &w->timer);
2577 } 2585 }
2578
2579 } 2586 }
2580} 2587}
2581 2588
2582#endif 2589#endif
2583 2590
… …
2619 || w->prev.st_atime != w->attr.st_atime 2626 || w->prev.st_atime != w->attr.st_atime
2620 || w->prev.st_mtime != w->attr.st_mtime 2627 || w->prev.st_mtime != w->attr.st_mtime
2621 || w->prev.st_ctime != w->attr.st_ctime 2628 || w->prev.st_ctime != w->attr.st_ctime
2622 ) { 2629 ) {
2623 #if EV_USE_INOTIFY 2630 #if EV_USE_INOTIFY
2631 if (fs_fd >= 0)
2632 {
2624 infy_del (EV_A_ w); 2633 infy_del (EV_A_ w);
2625 infy_add (EV_A_ w); 2634 infy_add (EV_A_ w);
2626 ev_stat_stat (EV_A_ w); /* avoid race... */ 2635 ev_stat_stat (EV_A_ w); /* avoid race... */
2636 }
2627 #endif 2637 #endif
2628 2638
2629 ev_feed_event (EV_A_ w, EV_STAT); 2639 ev_feed_event (EV_A_ w, EV_STAT);
2630 } 2640 }
2631} 2641}
… …
3012} 3022}
3013 3023
3014static void 3024static void
3015once_cb_io (EV_P_ ev_io *w, int revents) 3025once_cb_io (EV_P_ ev_io *w, int revents)
3016{ 3026{
3017 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 3027 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
3028
3029 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
3018} 3030}
3019 3031
3020static void 3032static void
3021once_cb_to (EV_P_ ev_timer *w, int revents) 3033once_cb_to (EV_P_ ev_timer *w, int revents)
3022{ 3034{
3023 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 3035 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
3036
3037 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3024} 3038}
3025 3039
3026void 3040void
3027ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 3041ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
3028{ 3042{

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