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61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_RWLOCK_GUARD_H
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#define SRSLTE_RWLOCK_GUARD_H
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#include <pthread.h>
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namespace srslte {
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class rwlock_write_guard
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{
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public:
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rwlock_write_guard(pthread_rwlock_t& rwlock_) : rwlock(&rwlock_) { pthread_rwlock_wrlock(rwlock); }
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rwlock_write_guard(const rwlock_write_guard&) = delete;
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rwlock_write_guard(rwlock_write_guard&&) = delete;
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rwlock_write_guard& operator=(const rwlock_write_guard&) = delete;
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rwlock_write_guard& operator=(rwlock_write_guard&&) = delete;
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~rwlock_write_guard() { pthread_rwlock_unlock(rwlock); }
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private:
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pthread_rwlock_t* rwlock;
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};
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// Shared lock guard that automatically unlocks rwlock on exit
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class rwlock_read_guard
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{
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public:
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rwlock_read_guard(pthread_rwlock_t& rwlock_) : rwlock(&rwlock_) { pthread_rwlock_rdlock(rwlock); }
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rwlock_read_guard(const rwlock_read_guard&) = delete;
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rwlock_read_guard(rwlock_read_guard&&) = delete;
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rwlock_read_guard& operator=(const rwlock_read_guard&) = delete;
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rwlock_read_guard& operator=(rwlock_read_guard&&) = delete;
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~rwlock_read_guard() { pthread_rwlock_unlock(rwlock); }
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private:
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pthread_rwlock_t* rwlock;
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};
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} // namespace srslte
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#endif // SRSLTE_RWLOCK_GUARD_H
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