X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/1c33c678365888dfd0e9ba9271dc55d6093d490d..c04c7d0577ceddfe470b6fdcaf727ced91a67d1a:/ev_epoll.c diff --git a/ev_epoll.c b/ev_epoll.c index a7918af..bdd746b 100644 --- a/ev_epoll.c +++ b/ev_epoll.c @@ -31,10 +31,8 @@ #include -static int epoll_fd = -1; - static void -epoll_modify (int fd, int oev, int nev) +epoll_modify (EV_P_ int fd, int oev, int nev) { int mode = nev ? oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD : EPOLL_CTL_DEL; @@ -44,30 +42,14 @@ epoll_modify (int fd, int oev, int nev) (nev & EV_READ ? EPOLLIN : 0) | (nev & EV_WRITE ? EPOLLOUT : 0); - epoll_ctl (epoll_fd, mode, fd, &ev); + if (!epoll_ctl (epoll_fd, mode, fd, &ev)) + fd_kill (EV_A_ fd); } static void -epoll_postfork_child (void) +epoll_poll (EV_P_ ev_tstamp timeout) { - 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 (fd, EV_NONE, anfds [fd].events); -} - -static struct epoll_event *events; -static int eventmax; - -static void -epoll_poll (ev_tstamp timeout) -{ - int eventcnt = epoll_wait (epoll_fd, events, eventmax, ceil (timeout * 1000.)); + int eventcnt = epoll_wait (epoll_fd, epoll_events, epoll_eventmax, ceil (timeout * 1000.)); int i; if (eventcnt < 0) @@ -75,36 +57,55 @@ epoll_poll (ev_tstamp timeout) for (i = 0; i < eventcnt; ++i) fd_event ( - events [i].data.u64, - (events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) - | (events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) + EV_A_ + 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); + free (epoll_events); + epoll_eventmax = array_roundsize (epoll_events, epoll_eventmax << 1); + epoll_events = malloc (sizeof (struct epoll_event) * epoll_eventmax); } } -static void -epoll_init (int flags) +static int +epoll_init (EV_P_ int flags) { epoll_fd = epoll_create (256); if (epoll_fd < 0) - return; + return 0; fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); - ev_method = EVMETHOD_EPOLL; 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); + epoll_eventmax = 64; /* intiial number of events receivable per poll */ + epoll_events = malloc (sizeof (struct epoll_event) * epoll_eventmax); + + return EVMETHOD_EPOLL; +} + +static void +epoll_destroy (EV_P) +{ + close (epoll_fd); + + free (epoll_events); +} + +static void +epoll_fork (EV_P) +{ + epoll_fd = epoll_create (256); + fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); + + fd_rearm_all (EV_A); }