forked from jiuyuan/JYCache
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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* s3fs - FUSE-based file system backed by Amazon S3
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*
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* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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 for more details.
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*
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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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef S3FS_AUTOLOCK_H_
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#define S3FS_AUTOLOCK_H_
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#include <pthread.h>
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//-------------------------------------------------------------------
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// AutoLock Class
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//-------------------------------------------------------------------
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class AutoLock
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{
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public:
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enum Type {
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NO_WAIT = 1,
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ALREADY_LOCKED = 2,
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NONE = 0
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};
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private:
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pthread_mutex_t* const auto_mutex;
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bool is_lock_acquired;
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private:
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AutoLock(const AutoLock&) = delete;
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AutoLock(AutoLock&&) = delete;
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AutoLock& operator=(const AutoLock&) = delete;
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AutoLock& operator=(AutoLock&&) = delete;
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public:
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explicit AutoLock(pthread_mutex_t* pmutex, Type type = NONE);
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~AutoLock();
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bool isLockAcquired() const;
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};
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#endif // S3FS_AUTOLOCK_H_
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: expandtab sw=4 ts=4 fdm=marker
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* vim<600: expandtab sw=4 ts=4
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*/
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