ClickHouse/contrib/libboost-threadpool/threadpool/detail/scope_guard.hpp
2016-02-05 08:07:39 +03:00

66 lines
1006 B
C++

/*! \file
* \brief TODO.
*
* TODO.
*
* Copyright (c) 2005-2007 Philipp Henkel
*
* Use, modification, and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
* http://threadpool.sourceforge.net
*
*/
#ifndef THREADPOOL_DETAIL_SCOPE_GUARD_HPP_INCLUDED
#define THREADPOOL_DETAIL_SCOPE_GUARD_HPP_INCLUDED
#include <boost/function.hpp>
namespace boost { namespace threadpool { namespace detail
{
// TODO documentation
class scope_guard
: private boost::noncopyable
{
function0<void> const m_function;
bool m_is_active;
public:
scope_guard(function0<void> const & call_on_exit)
: m_function(call_on_exit)
, m_is_active(true)
{
}
~scope_guard()
{
if(m_is_active && m_function)
{
m_function();
}
}
void disable()
{
m_is_active = false;
}
};
} } } // namespace boost::threadpool::detail
#endif // THREADPOOL_DETAIL_SCOPE_GUARD_HPP_INCLUDED