/home/users/khuck/src/hpx-lsu/hpx/util/unlock_guard.hpp


//  Copyright (c) 2007-2008 Chirag Dekate, Hartmut Kaiser
//  Copyright (c) 2015 Agustin Berge
//
//  Distributed under 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)

#ifndef HPX_UTIL_UNLOCK_GUARD_HPP
#define HPX_UTIL_UNLOCK_GUARD_HPP

#include <hpx/config.hpp>

///////////////////////////////////////////////////////////////////////////////
namespace hpx { namespace util
{
    ///////////////////////////////////////////////////////////////////////////
    // This is a helper structure to make sure a lock gets unlocked and locked
    // again in a scope.
    template <typename Mutex>
    class unlock_guard
    {
        HPX_NON_COPYABLE(unlock_guard);

    public:
        typedef Mutex mutex_type;

        explicit unlock_guard(Mutex& m)
          : m_(m)
        {
            m_.unlock();
        }

        ~unlock_guard()
        {
            m_.lock();
        }

    private:
        Mutex& m_;
    };
}}

#endif /*HPX_UTIL_UNLOCK_GUARD_HPP*/


Line	% of fetches	Source
1		// Copyright (c) 2007-2008 Chirag Dekate, Hartmut Kaiser
2		// Copyright (c) 2015 Agustin Berge
3		//
4		// Distributed under the Boost Software License, Version 1.0. (See accompanying
5		// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7		#ifndef HPX_UTIL_UNLOCK_GUARD_HPP
8		#define HPX_UTIL_UNLOCK_GUARD_HPP
9
10		#include <hpx/config.hpp>
11
12		///////////////////////////////////////////////////////////////////////////////
13		namespace hpx { namespace util
14		{
15		///////////////////////////////////////////////////////////////////////////
16		// This is a helper structure to make sure a lock gets unlocked and locked
17		// again in a scope.
18		template <typename Mutex>
19		class unlock_guard
20		{
21		HPX_NON_COPYABLE(unlock_guard);
22
23		public:
24		typedef Mutex mutex_type;
25
26		explicit unlock_guard(Mutex& m)
27		: m_(m)
28		{
29		m_.unlock();
30		}
31
32		~unlock_guard()
33		{
34		m_.lock();
35		}
36
37		private:
38		Mutex& m_;
39		};
40		}}
41
42		#endif /HPX_UTIL_UNLOCK_GUARD_HPP/
43