37 lines
966 B
C++
37 lines
966 B
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_TICKETLOCK_HPP
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#define CRUFT_UTIL_THREAD_TICKETLOCK_HPP
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#include <atomic>
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namespace util::thread {
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class ticketlock {
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public:
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ticketlock ();
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void lock (void);
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void unlock (void);
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private:
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std::atomic<unsigned> current;
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std::atomic<unsigned> next;
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};
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};
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#endif
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