X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/caa1fd0cc89d111a00f323bb6eff46f57311aed5..469af6002e7d33bcc351c1113afb188c3c246b91:/ev.c diff --git a/ev.c b/ev.c index 246b38f..9a6f785 100644 --- a/ev.c +++ b/ev.c @@ -41,8 +41,6 @@ #include #include -#define HAVE_EPOLL 1 - #ifndef HAVE_MONOTONIC # ifdef CLOCK_MONOTONIC # define HAVE_MONOTONIC 1 @@ -190,6 +188,19 @@ queue_events (W *events, int eventcnt, int type) event (events [i], type); } +/* called on EBADF to verify fds */ +static void +fd_recheck () +{ + int fd; + + for (fd = 0; fd < anfdmax; ++fd) + if (anfds [fd].wev) + if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) + while (anfds [fd].head) + evio_stop (anfds [fd].head); +} + /*****************************************************************************/ static struct ev_timer **timers; @@ -315,6 +326,9 @@ siginit (void) static struct ev_idle **idles; static int idlemax, idlecnt; +static struct ev_prepare **prepares; +static int preparemax, preparecnt; + static struct ev_check **checks; static int checkmax, checkcnt; @@ -544,14 +558,15 @@ void ev_loop (int flags) double block; ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; - if (checkcnt) - { - queue_events ((W *)checks, checkcnt, EV_CHECK); - call_pending (); - } - do { + /* queue check watchers (and execute them) */ + if (checkcnt) + { + queue_events ((W *)prepares, preparecnt, EV_PREPARE); + call_pending (); + } + /* update fd-related kernel structures */ fd_reify (); @@ -587,15 +602,16 @@ void ev_loop (int flags) time_update (); /* queue pending timers and reschedule them */ - periodics_reify (); /* absolute timers first */ - timers_reify (); /* relative timers second */ + timers_reify (); /* relative timers called last */ + periodics_reify (); /* absolute timers called first */ /* queue idle watchers unless io or timers are pending */ if (!pendingcnt) queue_events ((W *)idles, idlecnt, EV_IDLE); - /* queue check and possibly idle watchers */ - queue_events ((W *)checks, checkcnt, EV_CHECK); + /* queue check watchers, to be executed first */ + if (checkcnt) + queue_events ((W *)checks, checkcnt, EV_CHECK); call_pending (); } @@ -824,6 +840,26 @@ void evidle_stop (struct ev_idle *w) ev_stop ((W)w); } +void evprepare_start (struct ev_prepare *w) +{ + if (ev_is_active (w)) + return; + + ev_start ((W)w, ++preparecnt); + array_needsize (prepares, preparemax, preparecnt, ); + prepares [preparecnt - 1] = w; +} + +void evprepare_stop (struct ev_prepare *w) +{ + ev_clear ((W)w); + if (ev_is_active (w)) + return; + + prepares [w->active - 1] = prepares [--preparecnt]; + ev_stop ((W)w); +} + void evcheck_start (struct ev_check *w) { if (ev_is_active (w))