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;
- }
+ epoll_ctl (epoll_fd, mode, fd, &ev);
}
void epoll_postfork_child (void)
{
- int i;
+ int fd;
epoll_fd = epoll_create (256);
+ fcntl (epoll_fd, F_SETFD, FD_CLOEXEC);
- 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;
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 */
}
}
-int epoll_init (int flags)
+void epoll_init (int flags)
{
epoll_fd = epoll_create (256);
if (epoll_fd < 0)
- return 0;
+ return;
- ev_method = EVMETHOD_EPOLL;
- method_fudge = 1e-3; /* needed to compensate fro epoll returning early */
- method_reify = epoll_reify;
- method_poll = epoll_poll;
+ 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);
-
- return 1;
}