X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/228b0b302ab0857b23efad5a8b2429de2c0ccc00..c2e069c80086a655611b636be4465141548393fc:/ev_epoll.c?ds=inline diff --git a/ev_epoll.c b/ev_epoll.c index 30d1b25..957b71b 100644 --- a/ev_epoll.c +++ b/ev_epoll.c @@ -42,46 +42,40 @@ epoll_modify (EV_P_ int fd, int oev, int nev) (nev & EV_READ ? EPOLLIN : 0) | (nev & EV_WRITE ? EPOLLOUT : 0); - epoll_ctl (epoll_fd, mode, fd, &ev); -} - -static void -epoll_postfork_child (EV_P) -{ - int fd; - - epoll_fd = epoll_create (256); - fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); - - /* re-register interest in fds */ - for (fd = 0; fd < anfdmax; ++fd) - if (anfds [fd].events)//D - epoll_modify (EV_A_ fd, EV_NONE, anfds [fd].events); + if (epoll_ctl (epoll_fd, mode, fd, &ev)) + if (errno != ENOENT /* on ENOENT the fd went away, so try to do the right thing */ + || (nev && epoll_ctl (epoll_fd, EPOLL_CTL_ADD, fd, &ev))) + fd_kill (EV_A_ fd); } static void epoll_poll (EV_P_ ev_tstamp timeout) { - int eventcnt = epoll_wait (epoll_fd, events, eventmax, ceil (timeout * 1000.)); int i; + int eventcnt = epoll_wait (epoll_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); if (eventcnt < 0) - return; + { + if (errno != EINTR) + syserr ("(libev) epoll_wait"); + + return; + } for (i = 0; i < eventcnt; ++i) fd_event ( EV_A_ - events [i].data.u64, - (events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) - | (events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) + epoll_events [i].data.u64, + (epoll_events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) + | (epoll_events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) ); /* if the receive array was full, increase its size */ - if (expect_false (eventcnt == eventmax)) + if (expect_false (eventcnt == epoll_eventmax)) { - free (events); - eventmax = array_roundsize (events, eventmax << 1); - events = malloc (sizeof (struct epoll_event) * eventmax); + ev_free (epoll_events); + epoll_eventmax = array_roundsize (epoll_events, epoll_eventmax << 1); + epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax); } } @@ -99,9 +93,30 @@ epoll_init (EV_P_ int flags) method_modify = epoll_modify; method_poll = epoll_poll; - eventmax = 64; /* intiial number of events receivable per poll */ - events = malloc (sizeof (struct epoll_event) * eventmax); + epoll_eventmax = 64; /* intiial number of events receivable per poll */ + epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax); return EVMETHOD_EPOLL; } +static void +epoll_destroy (EV_P) +{ + close (epoll_fd); + + ev_free (epoll_events); +} + +static void +epoll_fork (EV_P) +{ + close (epoll_fd); + + while ((epoll_fd = epoll_create (256)) < 0) + syserr ("(libev) epoll_create"); + + fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); + + fd_rearm_all (EV_A); +} +