void GDALDestroyGeoLocTransformer( void *pTransformAlg )
{
if( pTransformAlg == NULL )
return;
GDALGeoLocTransformInfo *psTransform =
(GDALGeoLocTransformInfo *) pTransformAlg;
CPLFree( psTransform->pafBackMapX );
CPLFree( psTransform->pafBackMapY );
CSLDestroy( psTransform->papszGeolocationInfo );
CPLFree( psTransform->padfGeoLocX );
CPLFree( psTransform->padfGeoLocY );
if( psTransform->hDS_X != NULL
&& GDALDereferenceDataset( psTransform->hDS_X ) == 0 )
GDALClose( psTransform->hDS_X );
if( psTransform->hDS_Y != NULL
&& GDALDereferenceDataset( psTransform->hDS_Y ) == 0 )
GDALClose( psTransform->hDS_Y );
CPLFree( pTransformAlg );
}
VRTWarpedDataset::~VRTWarpedDataset()
{
FlushCache();
/* -------------------------------------------------------------------- */
/* Cleanup overviews. */
/* -------------------------------------------------------------------- */
int iOverview;
for( iOverview = 0; iOverview < nOverviewCount; iOverview++ )
{
GDALDatasetH hDS = (GDALDatasetH) papoOverviews[iOverview];
if( GDALDereferenceDataset( hDS ) < 1 )
{
GDALReferenceDataset( hDS );
GDALClose( hDS );
}
}
CPLFree( papoOverviews );
/* -------------------------------------------------------------------- */
/* Cleanup warper if one is in effect. */
/* -------------------------------------------------------------------- */
if( poWarper != NULL )
{
const GDALWarpOptions *psWO = poWarper->GetOptions();
/* -------------------------------------------------------------------- */
/* We take care to only call GDALClose() on psWO->hSrcDS if the */
/* reference count drops to zero. This is makes it so that we */
/* can operate reference counting semantics more-or-less */
/* properly even if the dataset isn't open in shared mode, */
/* though we require that the caller also honour the reference */
/* counting semantics even though it isn't a shared dataset. */
/* -------------------------------------------------------------------- */
if( psWO->hSrcDS != NULL )
{
if( GDALDereferenceDataset( psWO->hSrcDS ) < 1 )
{
GDALReferenceDataset( psWO->hSrcDS );
GDALClose( psWO->hSrcDS );
}
}
/* -------------------------------------------------------------------- */
/* We are responsible for cleaning up the transformer outselves. */
/* -------------------------------------------------------------------- */
if( psWO->pTransformerArg != NULL )
GDALDestroyTransformer( psWO->pTransformerArg );
delete poWarper;
}
}
static gint gv_manager_raster_destroy_cb( GObject * raster_in,
gpointer cb_data )
{
GvManager *manager = GV_MANAGER(cb_data);
GvRaster *raster = GV_RASTER(raster_in);
GvDataset *ds = NULL;
int i, active_rasters = 0;
/*
* Find in our list. The dataset must already be "under management".
*/
for( i = 0; i < manager->datasets->len; i++ )
{
ds = (GvDataset *) g_ptr_array_index(manager->datasets, i);
if( raster->dataset == ds->dataset )
break;
}
if( i == manager->datasets->len )
{
g_warning( "gv_manager_raster_destroy_cb(): can't find dataset." );
return FALSE;
}
/*
* Find our GvRaster.
*/
for( i = 0; i < GDALGetRasterCount(ds->dataset); i++ )
{
if( ds->rasters[i] == raster ) {
/* MB: still not sure if we need to unref here... */
// if (G_OBJECT(raster)->ref_count > 1)
// g_object_unref(ds->rasters[i]);
ds->rasters[i] = NULL;
}
else if( ds->rasters[i] != NULL )
active_rasters++;
}
/*
* We apparently no longer need this GDALDataset. Dereference it, and
* remove from the list.
*/
if (active_rasters == 0)
{
if (GDALDereferenceDataset(ds->dataset) < 1) {
GDALClose(ds->dataset);
}
g_free(ds->rasters);
g_free(ds);
g_ptr_array_remove_fast(manager->datasets, ds);
}
return FALSE;
}
void msGDALCleanup( void )
{
if( bGDALInitialized )
{
int iRepeat = 5;
msAcquireLock( TLOCK_GDAL );
#if GDAL_RELEASE_DATE > 20101207
{
/*
** Cleanup any unreferenced but open datasets as will tend
** to exist due to deferred close requests. We are careful
** to only close one file at a time before refecting the
** list as closing some datasets may cause others to be
** closed (subdatasets in a VRT for instance).
*/
GDALDatasetH *pahDSList = NULL;
int nDSCount = 0;
int bDidSomething;
do {
int i;
GDALGetOpenDatasets( &pahDSList, &nDSCount );
bDidSomething = FALSE;
for( i = 0; i < nDSCount && !bDidSomething; i++ )
{
if( GDALReferenceDataset( pahDSList[i] ) == 1 )
{
GDALClose( pahDSList[i] );
bDidSomething = TRUE;
}
else
GDALDereferenceDataset( pahDSList[i] );
}
} while( bDidSomething );
}
#endif
while( iRepeat-- )
CPLPopErrorHandler();
#if GDAL_RELEASE_DATE > 20021001
GDALDestroyDriverManager();
#endif
msReleaseLock( TLOCK_GDAL );
bGDALInitialized = 0;
}
}
