/*
* Initialize the shared-memory for this module.
*/
void PersistentRelation_ShmemInit(void)
{
bool found;
/* Create the shared-memory structure. */
persistentRelationSharedData =
(PersistentRelationSharedData *)
ShmemInitStruct("Mirrored Rel File Data",
PersistentRelation_SharedDataSize(),
&found);
if (!found)
{
PersistentFileSysObj_InitShared(
&persistentRelationSharedData->fileSysObjSharedData);
}
PersistentFileSysObj_Init(
&persistentRelationData.fileSysObjData,
&persistentRelationSharedData->fileSysObjSharedData,
PersistentFsObjType_RelationFile,
/* scanTupleCallback */ NULL);
Assert(persistentRelationSharedData != NULL);
}
/*
* Initialize the shared-memory for this module.
*/
void PersistentDatabase_ShmemInit(void)
{
bool found;
/* Create the shared-memory structure. */
persistentDatabaseSharedData =
(PersistentDatabaseSharedData *)
ShmemInitStruct("Persistent Database Data",
PersistentDatabase_SharedDataSize(),
&found);
if (!found)
{
PersistentFileSysObj_InitShared(
&persistentDatabaseSharedData->fileSysObjSharedData);
SharedOidSearch_InitTable(
&persistentDatabaseSharedData->databaseDirSearchTable,
127,
MaxPersistentDatabaseDirectories,
sizeof(DatabaseDirEntryData));
}
PersistentFileSysObj_Init(
&persistentDatabaseData.fileSysObjData,
&persistentDatabaseSharedData->fileSysObjSharedData,
PersistentFsObjType_DatabaseDir,
PersistentDatabase_ScanTupleCallback);
Assert(persistentDatabaseSharedData != NULL);
}
/*
* Initialize the shared-memory for this module.
*/
void PersistentFilespace_ShmemInit(void)
{
bool found;
bool ok;
/* Create the shared-memory structure. */
persistentFilespaceSharedData =
(PersistentFilespaceSharedData *)
ShmemInitStruct("Persistent Filespace Data",
PersistentFilespace_SharedDataSize(),
&found);
if (!found)
{
PersistentFileSysObj_InitShared(
&persistentFilespaceSharedData->fileSysObjSharedData);
}
/* Create or find our shared-memory hash table. */
ok = PersistentFilespace_HashTableInit();
if (!ok)
ereport(FATAL,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("Not enough shared memory for persistent filespace hash table")));
PersistentFileSysObj_Init(
&persistentFilespaceData.fileSysObjData,
&persistentFilespaceSharedData->fileSysObjSharedData,
PersistentFsObjType_FilespaceDir,
PersistentFilespace_ScanTupleCallback);
Assert(persistentFilespaceSharedData != NULL);
Assert(persistentFilespaceSharedHashTable != NULL);
}
