once.h

// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
#pragma once
 
#include <bond/core/config.h>
 
#if !defined(BOND_NO_CX11_HDR_MUTEX)
 
// Use std::call_once when building with a sane compiler.
#include <mutex>
 
namespace bond
{
namespace detail
{
 
using std::once_flag;
using std::call_once;
 
} // namespace detail
} // namespace bond
 
#else
 
#include <boost/thread/once.hpp>
 
namespace bond
{
namespace detail
{
 
using boost::once_flag;
using boost::call_once;
 
} // namespace detail
} // namespace bond
 
#endif