Subject: [Boost-bugs] [Boost C++ Libraries] #6005: Potential epoll fd leak in boost::asio::detail::epoll_reactor
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-10-11 03:01:44
#6005: Potential epoll fd leak in boost::asio::detail::epoll_reactor
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Reporter: yafei.zhang@⦠| Owner: chris_kohlhoff
Type: Bugs | Status: new
Milestone: To Be Determined | Component: asio
Version: Boost 1.47.0 | Severity: Problem
Keywords: asio linux epoll fd leak |
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in boost/asio/detail/impl/epoll_reactor.ipp:
epoll_reactor::epoll_reactor(boost::asio::io_service& io_service)
: boost::asio::detail::service_base<epoll_reactor>(io_service),
io_service_(use_service<io_service_impl>(io_service)),
mutex_(),
epoll_fd_(do_epoll_create()), ------> epoll_fd_ may leak if the
following member's initialization throws an exception
timer_fd_(do_timerfd_create()),
interrupter_(), ------> may throw because of EMFILE
shutdown_(false)
{
// Add the interrupter's descriptor to epoll.
epoll_event ev = { 0, { 0 } };
ev.events = EPOLLIN | EPOLLERR | EPOLLET;
ev.data.ptr = &interrupter_;
epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, interrupter_.read_descriptor(),
&ev);
interrupter_.interrupt();
// Add the timer descriptor to epoll.
if (timer_fd_ != -1)
{
ev.events = EPOLLIN | EPOLLERR;
ev.data.ptr = &timer_fd_;
epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, timer_fd_, &ev);
}
}
-- Ticket URL: <https://svn.boost.org/trac/boost/ticket/6005> Boost C++ Libraries <http://www.boost.org/> Boost provides free peer-reviewed portable C++ source libraries.
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