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// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012- OpenVPN Inc.
//
// SPDX-License-Identifier: MPL-2.0 OR AGPL-3.0-only WITH openvpn3-openssl-exception
//
#ifndef OPENVPN_COMMON_WAITBARRIER_H
#define OPENVPN_COMMON_WAITBARRIER_H
#include <openvpn/common/exception.hpp>
#include <openvpn/common/pthreadcond.hpp>
namespace openvpn {
#ifdef INSTRUMENTATION_SLOWDOWN
static constexpr unsigned int WAIT_BARRIER_TIMEOUT = 300;
#else
static constexpr unsigned int WAIT_BARRIER_TIMEOUT = 30;
#endif
template <typename THREAD_COMMON>
inline void event_loop_wait_barrier(THREAD_COMMON &tc,
const unsigned int seconds = WAIT_BARRIER_TIMEOUT)
{
// barrier prior to event-loop entry
switch (tc.event_loop_bar.wait(seconds))
{
case PThreadBarrier::SUCCESS:
break;
case PThreadBarrier::CHOSEN_ONE:
tc.user_group.activate();
tc.show_unused_options();
tc.event_loop_bar.signal();
break;
case PThreadBarrier::TIMEOUT:
throw Exception("event loop barrier timeout");
case PThreadBarrier::ERROR_SIGNAL:
throw Exception("event loop barrier error");
}
}
} // namespace openvpn
#endif
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