// PD_TRACE_DECLARE_FUNCTION ( SDB__DMSSTORAGELOADEXT__ALLOCEXTENT, "dmsStorageLoadOp::_allocateExtent" )
INT32 dmsStorageLoadOp::_allocateExtent ( INT32 requestSize )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY ( SDB__DMSSTORAGELOADEXT__ALLOCEXTENT );
if ( requestSize < DMS_MIN_EXTENT_SZ(_pageSize) )
{
requestSize = DMS_MIN_EXTENT_SZ(_pageSize) ;
}
else if ( requestSize > DMS_MAX_EXTENT_SZ )
{
requestSize = DMS_MAX_EXTENT_SZ ;
}
else
{
requestSize = ossRoundUpToMultipleX ( requestSize, _pageSize ) ;
}
if ( !_pCurrentExtent )
{
_pCurrentExtent = (CHAR*)SDB_OSS_MALLOC ( requestSize ) ;
if ( !_pCurrentExtent )
{
PD_LOG ( PDERROR, "Unable to allocate %d bytes memory",
requestSize ) ;
rc = SDB_OOM ;
goto error ;
}
_currentExtentSize = requestSize ;
_initExtentHeader ( (dmsExtent*)_pCurrentExtent,
_currentExtentSize/_pageSize ) ;
}
else
{
if ( requestSize > _currentExtentSize )
{
CHAR *pOldPtr = _pCurrentExtent ;
_pCurrentExtent = (CHAR*)SDB_OSS_REALLOC ( _pCurrentExtent,
requestSize ) ;
if ( !_pCurrentExtent )
{
PD_LOG ( PDERROR, "Unable to realloc %d bytes memory",
requestSize ) ;
_pCurrentExtent = pOldPtr ;
rc = SDB_OOM ;
goto error ;
}
_currentExtentSize = requestSize ;
}
_initExtentHeader ( (dmsExtent*)_pCurrentExtent,
_currentExtentSize/_pageSize ) ;
}
done :
PD_TRACE_EXITRC ( SDB__DMSSTORAGELOADEXT__ALLOCEXTENT, rc );
return rc ;
error :
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__DMSROUNIT__ALCEXT, "_dmsReorgUnit::_allocateExtent" )
INT32 _dmsReorgUnit::_allocateExtent ( INT32 requestSize )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY ( SDB__DMSROUNIT__ALCEXT );
SDB_ASSERT ( !_pCurrentExtent, "current extent must be NULL" ) ;
if ( requestSize < DMS_MIN_EXTENT_SZ(_pageSize) )
requestSize = DMS_MIN_EXTENT_SZ(_pageSize) ;
else if ( requestSize > DMS_MAX_EXTENT_SZ )
requestSize = DMS_MAX_EXTENT_SZ ;
else
requestSize = ossRoundUpToMultipleX ( requestSize, _pageSize ) ;
_pCurrentExtent = (CHAR*)SDB_OSS_MALLOC ( requestSize ) ;
if ( !_pCurrentExtent )
{
PD_LOG ( PDERROR, "Unable to allocate %d bytes memory", requestSize ) ;
rc = SDB_OOM ;
goto error ;
}
_currentExtentSize = requestSize ;
_initExtentHeader ( (dmsExtent*)_pCurrentExtent,
_currentExtentSize/_pageSize ) ;
done :
PD_TRACE_EXITRC ( SDB__DMSROUNIT__ALCEXT, rc );
return rc ;
error :
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__DMSSTORAGELOADEXT__ALLOCEXTENT, "dmsStorageLoadOp::_allocateExtent" )
INT32 dmsStorageLoadOp::_allocateExtent ( INT32 requestSize )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY ( SDB__DMSSTORAGELOADEXT__ALLOCEXTENT );
if ( requestSize < DMS_MIN_EXTENT_SZ(_pageSize) )
{
requestSize = DMS_MIN_EXTENT_SZ(_pageSize) ;
}
else if ( requestSize > DMS_MAX_EXTENT_SZ )
{
requestSize = DMS_MAX_EXTENT_SZ ;
}
else
{
requestSize = ossRoundUpToMultipleX ( requestSize, _pageSize ) ;
}
if ( (UINT32)requestSize > _buffSize && _pCurrentExtent )
{
SDB_OSS_FREE( _pCurrentExtent ) ;
_pCurrentExtent = NULL ;
_buffSize = 0 ;
}
if ( (UINT32)requestSize > _buffSize )
{
_pCurrentExtent = ( CHAR* )SDB_OSS_MALLOC( requestSize << 1 ) ;
if ( !_pCurrentExtent )
{
PD_LOG( PDERROR, "Alloc memroy[%d] failed",
requestSize << 1 ) ;
rc = SDB_OOM ;
goto error ;
}
_buffSize = ( requestSize << 1 ) ;
}
_currentExtentSize = requestSize ;
_initExtentHeader ( (dmsExtent*)_pCurrentExtent,
_currentExtentSize/_pageSize ) ;
done :
PD_TRACE_EXITRC ( SDB__DMSSTORAGELOADEXT__ALLOCEXTENT, rc );
return rc ;
error :
goto done ;
}
