X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/4b05fe94e44407cd62092863e204337c521e7d8a..05b6c3fe61a9e53d10406c6b7558c39f0a195514:/ev_epoll.c?ds=sidebyside diff --git a/ev_epoll.c b/ev_epoll.c index 957b71b..bb56218 100644 --- a/ev_epoll.c +++ b/ev_epoll.c @@ -42,9 +42,9 @@ epoll_modify (EV_P_ int fd, int oev, int nev) (nev & EV_READ ? EPOLLIN : 0) | (nev & EV_WRITE ? EPOLLOUT : 0); - if (epoll_ctl (epoll_fd, mode, fd, &ev)) + if (expect_false (epoll_ctl (backend_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))) + || (nev && epoll_ctl (backend_fd, EPOLL_CTL_ADD, fd, &ev))) fd_kill (EV_A_ fd); } @@ -52,9 +52,9 @@ static void epoll_poll (EV_P_ ev_tstamp timeout) { int i; - int eventcnt = epoll_wait (epoll_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); + int eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); - if (eventcnt < 0) + if (expect_false (eventcnt < 0)) { if (errno != EINTR) syserr ("(libev) epoll_wait"); @@ -74,48 +74,46 @@ epoll_poll (EV_P_ ev_tstamp timeout) if (expect_false (eventcnt == epoll_eventmax)) { ev_free (epoll_events); - epoll_eventmax = array_roundsize (epoll_events, epoll_eventmax << 1); + epoll_eventmax = array_nextsize (sizeof (struct epoll_event), epoll_eventmax, epoll_eventmax + 1); epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax); } } -static int +int inline_size epoll_init (EV_P_ int flags) { - epoll_fd = epoll_create (256); + backend_fd = epoll_create (256); - if (epoll_fd < 0) + if (backend_fd < 0) return 0; - fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); + fcntl (backend_fd, F_SETFD, FD_CLOEXEC); - method_fudge = 1e-3; /* needed to compensate for epoll returning early */ - method_modify = epoll_modify; - method_poll = epoll_poll; + backend_fudge = 0.; /* kernel sources seem to indicate this to be zero */ + backend_modify = epoll_modify; + backend_poll = epoll_poll; 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; + return EVBACKEND_EPOLL; } -static void +void inline_size epoll_destroy (EV_P) { - close (epoll_fd); - ev_free (epoll_events); } -static void +void inline_size epoll_fork (EV_P) { - close (epoll_fd); + close (backend_fd); - while ((epoll_fd = epoll_create (256)) < 0) + while ((backend_fd = epoll_create (256)) < 0) syserr ("(libev) epoll_create"); - fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); + fcntl (backend_fd, F_SETFD, FD_CLOEXEC); fd_rearm_all (EV_A); }