Added .cpp and .h files under the sql/src subdirectory

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@469 0109f412-320b-0410-ab79-c3e0c5ffbbe6
2006-05-26 23:17:49 +00:00
parent dc6cd8b9cb
commit 021073907f
82 changed files with 97516 additions and 0 deletions
--- a/sql/src/f_btpool.cpp
+++ b/sql/src/f_btpool.cpp
@@ -0,0 +1,106 @@
+//------------------------------------------------------------------------------
+// Desc:	B-Tree pool class file
+//
+// Tabs:	3
+//
+//		Copyright (c) 2002-2006 Novell, Inc. All Rights Reserved.
+//
+//		This program is free software; you can redistribute it and/or
+//		modify it under the terms of version 2 of the GNU General Public
+//		License as published by the Free Software Foundation.
+//
+//		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, contact Novell, Inc.
+//
+//		To contact Novell about this file by physical or electronic mail,
+//		you may find current contact information at www.novell.com
+//
+// $Id: f_btpool.cpp 3111 2006-01-19 13:10:50 -0700 (Thu, 19 Jan 2006) dsanders $
+//------------------------------------------------------------------------------
+
+#include "flaimsys.h"
+
+/****************************************************************************
+Desc:	Method for initializing the Btree Pool.
+****************************************************************************/
+RCODE F_BtPool::btpInit( void)
+{
+	RCODE				rc = NE_SFLM_OK;
+
+	flmAssert( !m_bInitialized);
+
+	// Create a mutex to control access to the pool.
+	if (RC_BAD( rc = f_mutexCreate( &m_hMutex)))
+	{
+		goto Exit;
+	}
+
+	m_bInitialized = TRUE;
+
+Exit:
+
+	return rc;
+}
+
+/****************************************************************************
+Desc:	Method to reserve a btree object from the pool.
+****************************************************************************/
+RCODE F_BtPool::btpReserveBtree(
+	F_Btree **		ppBtree)
+{
+	RCODE				rc = NE_SFLM_OK;
+
+	flmAssert( m_bInitialized);
+
+	// Lock the mutex first!
+	f_mutexLock( m_hMutex);
+
+	if (m_pBtreeList)
+	{
+		*ppBtree = m_pBtreeList;
+		m_pBtreeList = m_pBtreeList->m_pNext;
+		(*ppBtree)->m_pNext = NULL;
+	}
+	else
+	{
+		if (( *ppBtree = f_new F_Btree()) == NULL)
+		{
+			rc = RC_SET( NE_SFLM_MEM);
+			goto Exit;
+		}
+	}
+
+Exit:
+
+	f_mutexUnlock( m_hMutex);
+
+	return rc;
+}
+
+/****************************************************************************
+Desc:	Method to return a Btree to the pool.
+****************************************************************************/
+void F_BtPool::btpReturnBtree(
+	F_Btree **		ppBtree)
+{
+	flmAssert( m_bInitialized);
+
+	// Close the Btree
+	
+	(*ppBtree)->btClose();
+
+	// Lock the mutex first!
+	
+	f_mutexLock( m_hMutex);
+
+	(*ppBtree)->m_pNext = m_pBtreeList;
+	m_pBtreeList = *ppBtree;
+	*ppBtree = NULL;
+
+	f_mutexUnlock( m_hMutex);
+}