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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Jay Pipes <jaypipes@gmail.com>
*
* Authors:
*
* Jay Pipes <jaypipes@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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
*
* Defines the implementation of a simple locked write buffer
*
* @details
*
* The write buffer keeps a block of allocated raw bytes available for
* callers.
*/
#include "config.h"
#include "write_buffer.h"
#include <drizzled/errmsg_print.h>
#include <drizzled/gettext.h>
#include <vector>
using namespace std;
using namespace drizzled;
WriteBuffer::WriteBuffer() :
buffer()
{
buffer.reserve(DEFAULT_WRITE_BUFFER_SIZE);
pthread_mutex_init(&latch, NULL);
}
WriteBuffer::~WriteBuffer()
{
buffer.clear();
pthread_mutex_destroy(&latch);
}
void WriteBuffer::resize(size_t new_size)
{
/*
* Attempt allocation of raw memory buffer for the
* requested size. Does nothing if already allocated size
* if greater...
*/
if (buffer.capacity() >= new_size)
return;
buffer.reserve(new_size);
}
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