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45 lines
1.7 KiB
45 lines
1.7 KiB
/* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program 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 General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef MYSQL_RWLOCK_SCOPED_LOCK_H
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#define MYSQL_RWLOCK_SCOPED_LOCK_H
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#include "mysql/psi/mysql_rwlock.h"
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/**
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Locks RW-lock and releases lock on scope exit.
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*/
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class rwlock_scoped_lock {
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public:
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rwlock_scoped_lock(mysql_rwlock_t *lock, bool lock_for_write,
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const char *file, int line);
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rwlock_scoped_lock(rwlock_scoped_lock &&lock);
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rwlock_scoped_lock(const rwlock_scoped_lock &) = delete;
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~rwlock_scoped_lock();
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rwlock_scoped_lock &operator=(const rwlock_scoped_lock &) = delete;
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private:
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mysql_rwlock_t *m_lock;
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};
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#endif /* MYSQL_RWLOCK_SCOPE_LOCK_H */
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