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/flclose.cpp
+++ b/sql/src/flclose.cpp
@@ -0,0 +1,224 @@
+//------------------------------------------------------------------------------
+// Desc:	Contains the destructor for the F_Db object.
+//
+// Tabs:	3
+//
+//		Copyright (c) 1990-1992, 1995-2006 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: flclose.cpp 3112 2006-01-19 13:12:40 -0700 (Thu, 19 Jan 2006) dsanders $
+//------------------------------------------------------------------------------
+
+#include "flaimsys.h"
+
+/****************************************************************************
+Desc:	Destructor for F_Db object
+****************************************************************************/
+F_Db::~F_Db()
+{
+	if( m_eTransType != SFLM_NO_TRANS)
+	{
+		// Someone forgot to close their transaction!
+
+		RC_UNEXPECTED_ASSERT( NE_SFLM_TRANS_ACTIVE);
+		transAbort();
+	}
+
+	// Free the super file.
+
+	if (m_pSFileHdl)
+	{
+		// Opened files will be released back to the
+		// file handle manager
+
+		m_pSFileHdl->Release();
+	}
+
+	// Free up statistics.
+
+	if (m_bStatsInitialized)
+	{
+		flmStatFree( &m_Stats);
+	}
+
+	// Return the cached B-Tree (if any) to the
+	// global pool
+
+	if( m_pCachedBTree)
+	{
+		gv_SFlmSysData.pBtPool->btpReturnBtree( &m_pCachedBTree);
+	}
+	
+	if( m_pKrefTbl)
+	{
+		f_free( &m_pKrefTbl);
+		m_uiKrefTblSize = 0;
+	}
+	
+	if( m_pucKrefKeyBuf)
+	{
+		f_free( &m_pucKrefKeyBuf);
+	}
+
+	if (m_pKeyColl)
+	{
+		m_pKeyColl->Release();
+	}
+
+	if (m_pIxClient)
+	{
+		m_pIxClient->Release();
+	}
+
+	if (m_pIxStatus)
+	{
+		m_pIxStatus->Release();
+	}
+
+	if (m_pDeleteStatus)
+	{
+		m_pDeleteStatus->Release();
+	}
+
+	if (m_pCommitClient)
+	{
+		m_pCommitClient->Release();
+	}
+	
+	if (m_hWaitSem != F_SEM_NULL)
+	{
+		f_semDestroy( &m_hWaitSem);
+	}
+	
+	m_tmpKrefPool.poolFree();
+	m_tempPool.poolFree();
+
+	// Unlink the F_Db from the F_Database and F_Dict structures.
+	// IMPORTANT NOTE: The call to unlinkFromDatabase needs to
+	// be the last thing that is done, because it may unlock
+	// and relock the mutex.
+
+	if (m_pDatabase)
+	{
+		m_pDatabase->lockMutex();
+		unlinkFromDict();
+		m_pDatabase->unlockMutex();
+		
+		f_mutexLock( gv_SFlmSysData.hShareMutex);
+		unlinkFromDatabase();
+		f_mutexUnlock( gv_SFlmSysData.hShareMutex);
+	}
+}
+
+/****************************************************************************
+Desc:	Wait for a specific database to close
+****************************************************************************/
+RCODE F_DbSystem::waitToClose(
+	const char *		pszDbPath)
+{
+	RCODE					rc = NE_SFLM_OK;
+	FBUCKET *			pBucket;
+	FLMUINT				uiBucket;
+	F_Database *		pDatabase = NULL;
+	char					szDbPathStr1[ F_PATH_MAX_SIZE];
+	FLMBOOL				bMutexLocked = FALSE;
+	F_SEM					hWaitSem = F_SEM_NULL;
+
+	if( RC_BAD( rc = f_semCreate( &hWaitSem)))
+	{
+		goto Exit;
+	}
+	
+	if( RC_BAD( rc = gv_SFlmSysData.pFileSystem->pathToStorageString( 
+		pszDbPath, szDbPathStr1)))
+	{
+		goto Exit;
+	}
+
+Retry:
+
+	if( !bMutexLocked)
+	{
+		f_mutexLock( gv_SFlmSysData.hShareMutex);
+		bMutexLocked = TRUE;
+	}
+
+	pBucket = gv_SFlmSysData.pDatabaseHashTbl;
+	uiBucket = flmStrHashBucket( szDbPathStr1, pBucket, FILE_HASH_ENTRIES);
+	pDatabase = (F_Database *)pBucket [uiBucket].pFirstInBucket;
+	
+	while( pDatabase)
+	{
+		// Compare the strings.  On non-Unix platforms we must use
+		// f_stricmp, because case does not matter for file names
+		// on those platforms.
+
+#ifdef FLM_UNIX
+		if( f_strcmp( szDbPathStr1, pDatabase->m_pszDbPath) == 0)
+#else
+		if( f_stricmp( szDbPathStr1, pDatabase->m_pszDbPath) == 0)
+#endif
+		{
+			break;
+		}
+		
+		pDatabase = pDatabase->m_pNext;
+	}
+	
+	if( !pDatabase)
+	{
+		// Didn't find a matching database.  We are done.
+		
+		goto Exit;
+	}
+
+	// If the file is in the process of being opened by another
+	// thread, wait for the open to complete.
+
+	if( pDatabase->m_uiFlags & DBF_BEING_OPENED)
+	{
+		flmWaitNotifyReq( gv_SFlmSysData.hShareMutex, hWaitSem,
+			&pDatabase->m_pOpenNotifies, NULL);
+		goto Retry;
+	}
+	else
+	{
+		// The database is open.  Put ourselves into the close notify list
+		// so that we will wake up when the database has been closed.
+
+		if( RC_BAD( rc = flmWaitNotifyReq(
+			gv_SFlmSysData.hShareMutex, hWaitSem, 
+			&pDatabase->m_pCloseNotifies, NULL)))
+		{
+			goto Exit;
+		}
+	}
+
+Exit:
+
+	if( bMutexLocked)
+	{
+		f_mutexUnlock( gv_SFlmSysData.hShareMutex);
+	}
+	
+	if( hWaitSem != F_SEM_NULL)
+	{
+		f_semDestroy( &hWaitSem);
+	}
+
+	return( rc);
+}