From f7e4adb10bff1c278a8543b230b10881ff3799fa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?louiz=E2=80=99?= Date: Tue, 9 May 2017 15:46:20 +0200 Subject: Avoid any potential int overflow --- src/network/poller.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'src/network/poller.cpp') diff --git a/src/network/poller.cpp b/src/network/poller.cpp index ca49180..0f02cc5 100644 --- a/src/network/poller.cpp +++ b/src/network/poller.cpp @@ -200,7 +200,11 @@ int Poller::poll(const std::chrono::milliseconds& timeout) // Unblock all signals, only during the epoll_pwait call sigset_t empty_signal_set{}; sigemptyset(&empty_signal_set); - const int nb_events = ::epoll_pwait(this->epfd, revents, max_events, timeout.count(), + + int real_timeout = std::numeric_limits::max(); + if (timeout.count() < real_timeout) // Just avoid any potential int overflow + real_timeout = static_cast(timeout.count()); + const int nb_events = ::epoll_pwait(this->epfd, revents, max_events, real_timeout, &empty_signal_set); if (nb_events == -1) { -- cgit v1.2.3