s3fs-fuse/src/autolock.h

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/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef S3FS_AUTOLOCK_H_
#define S3FS_AUTOLOCK_H_
#include <pthread.h>
//-------------------------------------------------------------------
// AutoLock Class
//-------------------------------------------------------------------
class AutoLock
{
public:
enum Type {
NO_WAIT = 1,
ALREADY_LOCKED = 2,
NONE = 0
};
private:
pthread_mutex_t* const auto_mutex;
bool is_lock_acquired;
private:
AutoLock(const AutoLock&);
public:
explicit AutoLock(pthread_mutex_t* pmutex, Type type = NONE);
~AutoLock();
bool isLockAcquired() const;
};
#endif // S3FS_AUTOLOCK_H_
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: expandtab sw=4 ts=4 fdm=marker
* vim<600: expandtab sw=4 ts=4
*/