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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2010-2011 Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>
//
// Distributed under:
//
// the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// or (at your opinion) under:
//
// The MIT License
// (See accompanying file MIT.txt or a copy at
// http://www.opensource.org/licenses/mit-license.php)
//
///////////////////////////////////////////////////////////////////////////////
#ifndef CPPDB_MUTEX_H
#define CPPDB_MUTEX_H
#include <cppdb/defs.h>
namespace cppdb {
///
/// \brief mutex class, used internally
///
class CPPDB_API mutex {
mutex(mutex const &);
void operator=(mutex const &);
public:
class guard;
/// Create mutex
mutex();
/// Destroy mutex
~mutex();
/// Lock mutex
void lock();
/// Unlock mutex
void unlock();
private:
void *mutex_impl_;
};
///
/// \brief scoped guard for mutex
///
class mutex::guard {
guard(guard const &);
void operator=(guard const &);
public:
/// Create scoped lock
guard(mutex &m) : m_(&m)
{
m_->lock();
}
/// unlock the mutex
~guard()
{
m_->unlock();
}
private:
mutex *m_;
};
}
#endif
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