lwgeom_geos_prepared.c File Reference

#include <assert.h>
#include "../postgis_config.h"
#include "lwgeom_geos_prepared.h"
#include "lwgeom_cache.h"

Include dependency graph for lwgeom_geos_prepared.c:

Go to the source code of this file.

Data Structures
struct	PrepGeomHashEntry

Macros
#define	PREPARED_BACKEND_HASH_SIZE   32

Functions
uint32	mcxt_ptr_hasha (const void *key, Size keysize)
static void	CreatePrepGeomHash (void)
static void	AddPrepGeomHashEntry (PrepGeomHashEntry pghe)
static PrepGeomHashEntry *	GetPrepGeomHashEntry (MemoryContext mcxt)
static void	DeletePrepGeomHashEntry (MemoryContext mcxt)
static void	PreparedCacheDelete (void *ptr)
static int	PrepGeomCacheBuilder (const LWGEOM *lwgeom, GeomCache *cache)
	Given a generic GeomCache, and a geometry to prepare, prepare a PrepGeomCache and stick it into the GeomCache->index slot. More...
static int	PrepGeomCacheCleaner (GeomCache *cache)
	This function is passed into the generic GetGeomCache function in the case of a cache miss, so that it can free the particular indexed structure being managed. More...
static GeomCache *	PrepGeomCacheAllocator ()
PrepGeomCache *	GetPrepGeomCache (FunctionCallInfo fcinfo, GSERIALIZED *g1, GSERIALIZED *g2)
	Given a couple potential geometries and a function call context, return a prepared structure for one of them, if such a structure doesn't already exist. More...

Variables
static HTAB *	PrepGeomHash = NULL
static GeomCacheMethods	PrepGeomCacheMethods