-//$$CDS-header$$
+/*
+ This file is a part of libcds - Concurrent Data Structures library
+
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+ Source code repo: http://github.com/khizmax/libcds/
+ Download: http://sourceforge.net/projects/libcds/files/
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
#ifndef CDSLIB_SYNC_LOCK_ARRAY_H
#define CDSLIB_SYNC_LOCK_ARRAY_H
/// Locks a lock at cell \p hint
/**
To define real array's cell which should be locked, \ref select_cell_policy is used.
- The target cell is a result of <tt>select_cell_policy( hint, size() )</tt>.
+ The target cell is a result of <tt>select_cell_policy( hint, size())</tt>.
Returns the index of locked lock.
*/
template <typename Q>
size_t lock( Q const& hint )
{
- size_t nCell = m_SelectCellPolicy( hint, size() );
- assert( nCell < size() );
+ size_t nCell = m_SelectCellPolicy( hint, size());
+ assert( nCell < size());
m_arrLocks[nCell].lock();
return nCell;
}
/// Try lock a lock at cell \p hint
/**
To define real array's cell which should be locked, \ref select_cell_policy is used.
- The target cell is a result of <tt>select_cell_policy( hint, size() )</tt>.
+ The target cell is a result of <tt>select_cell_policy( hint, size())</tt>.
Returns the index of locked lock if success, \ref c_nUnspecifiedCell constant otherwise.
*/
template <typename Q>
size_t try_lock( Q const& hint )
{
- size_t nCell = m_SelectCellPolicy( hint, size() );
- assert( nCell < size() );
- if ( m_arrLocks[nCell].try_lock() )
+ size_t nCell = m_SelectCellPolicy( hint, size());
+ assert( nCell < size());
+ if ( m_arrLocks[nCell].try_lock())
return nCell;
return c_nUnspecifiedCell;
}
/// Unlock the lock specified by index \p nCell
void unlock( size_t nCell )
{
- assert( nCell < size() );
+ assert( nCell < size());
m_arrLocks[nCell].unlock();
}
*/
lock_type& at( size_t nCell ) const
{
- assert( nCell < size() );
+ assert( nCell < size());
return m_arrLocks[ nCell ];
}
template <typename Q>
unique_lock( lock_array_type& arrLocks, Q const& hint )
: m_arrLocks( arrLocks )
- , m_nLockGuarded( arrLocks.lock( hint ) )
+ , m_nLockGuarded( arrLocks.lock( hint ))
{}
/// Locks all from \p arrLocks array