From 2b3b06b9b428b72cf7f5f400c043abaca47850de Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Fri, 15 Feb 2013 10:31:36 +0100 Subject: [PATCH] tevent: call epoll_panic() if EPOLL_CTL_DEL failed Only ENOENT is ignored as it is no error. Signed-off-by: Stefan Metzmacher Reviewed-by: Jeremy Allison --- lib/tevent/tevent_epoll.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/lib/tevent/tevent_epoll.c b/lib/tevent/tevent_epoll.c index a662fee3a65..c2b31143fd9 100644 --- a/lib/tevent/tevent_epoll.c +++ b/lib/tevent/tevent_epoll.c @@ -307,10 +307,17 @@ static void epoll_del_event(struct epoll_event_context *epoll_ev, struct tevent_ event.events = epoll_map_flags(fde->flags); event.data.ptr = fde; ret = epoll_ctl(epoll_ev->epoll_fd, EPOLL_CTL_DEL, fde->fd, &event); - if (ret != 0) { - tevent_debug(epoll_ev->ev, TEVENT_DEBUG_FATAL, - "epoll_del_event failed! probable early close bug (%s)\n", - strerror(errno)); + if (ret != 0 && errno == ENOENT) { + /* + * This can happen after a epoll_check_reopen + * within epoll_event_fd_destructor. + */ + tevent_debug(epoll_ev->ev, TEVENT_DEBUG_TRACE, + "EPOLL_CTL_DEL ignoring ENOENT for fd[%d]\n", + fde->fd); + } else if (ret != 0) { + epoll_panic(epoll_ev, "EPOLL_CTL_DEL failed", false); + return; } fde->additional_flags &= ~EPOLL_ADDITIONAL_FD_FLAG_HAS_EVENT; } -- 2.11.4.GIT