[checkmk-commits] Check for failed accept().

Module: check_mk Branch: master Commit: 95704aa49d708924d9fd123cb72172eda0a38ad3 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=95704aa49d7089… Author: Sven Panne &lt;sp(a)mathias-kettner.de&gt; Date: Tue May 8 11:21:40 2018 +0200 Check for failed accept(). Change-Id: Ic1d74843d8ab48d030e7d22f8b42181dff89e242 --- livestatus/src/module.cc | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/livestatus/src/module.cc b/livestatus/src/module.cc index bf50124..7f43f90 100644 --- a/livestatus/src/module.cc +++ b/livestatus/src/module.cc @@ -194,8 +194,10 @@ void *main_thread(void *data) { if (retval > 0 && poller.isFileDescriptorSet(g_unix_socket, PollEvents::in)) { int cc = accept(g_unix_socket, nullptr, nullptr); - if (cc > g_max_fd_ever) { - g_max_fd_ever = cc; + if (cc == -1) { + generic_error ge("cannot accept client connection"); + Warning(fl_logger_livestatus) << ge; + continue; } if (fcntl(cc, F_SETFD, FD_CLOEXEC) == -1) { generic_error ge( @@ -203,6 +205,9 @@ void *main_thread(void *data) { Alert(fl_logger_livestatus) << ge; break; } + if (cc > g_max_fd_ever) { + g_max_fd_ever = cc; + } fl_client_queue->addConnection(cc); // closes fd g_num_queued_connections++; counterIncrement(Counter::connections);