fileset.h

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/*-------------------------------------------------------------------------
 *
 * fileset.h
 *    Management of named temporary files.
 *
 * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/storage/fileset.h
 *
 *-------------------------------------------------------------------------
 */
 
#ifndef FILESET_H
#define FILESET_H
 
#include "storage/fd.h"
 
/*
 * A set of temporary files.
 */
typedef struct FileSet
{
    pid_t       creator_pid;    /* PID of the creating process */
    uint32      number;         /* per-PID identifier */
    int         ntablespaces;   /* number of tablespaces to use */
    Oid         tablespaces[8]; /* OIDs of tablespaces to use. Assumes that
                                 * it's rare that there more than temp
                                 * tablespaces. */
} FileSet;
 
extern void FileSetInit(FileSet *fileset);
extern File FileSetCreate(FileSet *fileset, const char *name);
extern File FileSetOpen(FileSet *fileset, const char *name,
                        int mode);
extern bool FileSetDelete(FileSet *fileset, const char *name,
                          bool error_on_failure);
extern void FileSetDeleteAll(FileSet *fileset);
 
#endif