X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/a29fb691be0c199fb643de22a7969a410c3b1e31..fd6d7a01bca4544f5674438b189ba5ec1bce98af:/ev_epoll.c?ds=sidebyside diff --git a/ev_epoll.c b/ev_epoll.c index 42e4a8b..b3b546f 100644 --- a/ev_epoll.c +++ b/ev_epoll.c @@ -3,44 +3,31 @@ static int epoll_fd = -1; static void -epoll_reify_fd (int fd) +epoll_modify (int fd, int oev, int nev) { - ANFD *anfd = anfds + fd; - struct ev_io *w; + int mode = nev ? oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD : EPOLL_CTL_DEL; - int wev = 0; + struct epoll_event ev; + ev.data.fd = fd; + ev.events = + (nev & EV_READ ? EPOLLIN : 0) + | (nev & EV_WRITE ? EPOLLOUT : 0); - for (w = anfd->head; w; w = w->next) - wev |= w->events; - - if (anfd->wev != wev) - { - int mode = wev ? anfd->wev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD : EPOLL_CTL_DEL; - struct epoll_event ev; - ev.events = wev; - ev.data.fd = fd; - fprintf (stderr, "reify %d,%d,%d m%d (r=%d)\n", fd, anfd->wev, wev, mode,//D - epoll_ctl (epoll_fd, mode, fd, &ev) - );//D - anfd->wev = wev; - } + fprintf (stderr, "reify %d,%d,%d m%d (r=%d)\n", fd, oev, nev, mode,//D + epoll_ctl (epoll_fd, mode, fd, &ev) + );//D } void epoll_postfork_child (void) { - int i; + int fd; epoll_fd = epoll_create (256); - for (i = 0; i < anfdmax; ++i) - epoll_reify_fd (i); -} - -static void epoll_reify (void) -{ - int i; - for (i = 0; i < fdchangecnt; ++i) - epoll_reify_fd (fdchanges [i]); + /* re-register interest in fds */ + for (fd = 0; fd < anfdmax; ++fd) + if (anfds [fd].wev) + epoll_modify (fd, EV_NONE, anfds [fd].wev); } static struct epoll_event *events; @@ -57,8 +44,8 @@ static void epoll_poll (ev_tstamp timeout) for (i = 0; i < eventcnt; ++i) fd_event ( events [i].data.fd, - (events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP | EPOLLPRI) ? EV_WRITE : 0) - | (events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) + (events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) + | (events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) ); /* if the receive array was full, increase its size */ @@ -78,9 +65,9 @@ int epoll_init (int flags) return 0; ev_method = EVMETHOD_EPOLL; - method_fudge = 1e-3; /* needed to compensate fro epoll returning early */ - method_reify = epoll_reify; - method_poll = epoll_poll; + method_fudge = 1e-3; /* needed to compensate for epoll returning early */ + method_modify = epoll_modify; + method_poll = epoll_poll; eventmax = 64; /* intiial number of events receivable per poll */ events = malloc (sizeof (struct epoll_event) * eventmax);