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Copy event pointer out of event hash table before callbacks, because it might be deleted

This commit is contained in:
Neil Cook 2016-12-16 10:36:21 +00:00
parent 5e26137eda
commit 7ebf3924b5
1 changed files with 9 additions and 10 deletions
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19
src/extension/default_eventloop.c
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@ -304,17 +304,16 @@ default_eventloop_run_once(getdns_eventloop *loop, int blocking)
for (i = 0; i < num_pfds; i++) {
int fd = pfds[i].fd;
_getdns_eventloop_info* fd_event = find_event(&default_loop->fd_events, fd);
if (fd_event &&
fd_event->event &&
fd_event->event->read_cb &&
(pfds[i].revents & POLLIN))
default_read_cb(fd, fd_event->event);
if (fd_event && fd_event->event) {
getdns_eventloop_event* event = fd_event->event;
if (event->read_cb &&
(pfds[i].revents & POLLIN))
default_read_cb(fd, event);
if (fd_event &&
fd_event->event &&
fd_event->event->write_cb &&
(pfds[i].revents & POLLOUT))
default_write_cb(fd, fd_event->event);
if (event->write_cb &&
(pfds[i].revents & POLLOUT))
default_write_cb(fd, event);
}
}
if (pfds)
free(pfds);