61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2018 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_UTIL_THREAD_MONITOR_HPP
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#define CRUFT_UTIL_THREAD_MONITOR_HPP
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#include <mutex>
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#include <utility>
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#include <functional>
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namespace util::thread {
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template <typename ValueT, typename MutexT = std::mutex>
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class monitor {
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public:
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template <typename ...Args>
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monitor (Args &&...args):
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m_value (std::forward<Args> (args)...)
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{ ; }
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class proxy {
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public:
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proxy (MutexT &_mutex, ValueT &_value):
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m_guard (_mutex),
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m_value (_value)
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{ ; }
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ValueT* operator-> ()
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{
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return &m_value;
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}
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private:
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std::lock_guard<MutexT> m_guard;
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ValueT &m_value;
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};
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auto acquire (void) { return proxy (m_mutex, m_value); }
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auto operator-> () { return acquire (); }
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private:
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MutexT m_mutex;
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ValueT m_value;
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};
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};
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#endif
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