* Virtual file descriptor definitions.
*
*
- * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/storage/fd.h,v 1.44 2004/02/23 23:03:10 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/storage/fd.h,v 1.63 2009/01/01 17:24:01 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* calls:
*
- * File {Close, Read, Write, Seek, Tell, MarkDirty, Sync}
+ * File {Close, Read, Write, Seek, Tell, Sync}
* {File Name Open, Allocate, Free} File
*
* These are NOT JUST RENAMINGS OF THE UNIX ROUTINES.
*/
/* Operations on virtual Files --- equivalent to Unix kernel file ops */
-extern File FileNameOpenFile(FileName fileName, int fileFlags, int fileMode);
extern File PathNameOpenFile(FileName fileName, int fileFlags, int fileMode);
extern File OpenTemporaryFile(bool interXact);
extern void FileClose(File file);
-extern void FileUnlink(File file);
extern int FileRead(File file, char *buffer, int amount);
extern int FileWrite(File file, char *buffer, int amount);
-extern long FileSeek(File file, long offset, int whence);
-extern int FileTruncate(File file, long offset);
+extern int FileSync(File file);
+extern off_t FileSeek(File file, off_t offset, int whence);
+extern int FileTruncate(File file, off_t offset);
/* Operations that allow use of regular stdio --- USE WITH CAUTION */
-extern FILE *AllocateFile(char *name, char *mode);
+extern FILE *AllocateFile(const char *name, const char *mode);
extern int FreeFile(FILE *file);
/* Operations to allow use of the <dirent.h> library routines */
extern DIR *AllocateDir(const char *dirname);
+extern struct dirent *ReadDir(DIR *dir, const char *dirname);
extern int FreeDir(DIR *dir);
/* If you've really really gotta have a plain kernel FD, use this */
extern int BasicOpenFile(FileName fileName, int fileFlags, int fileMode);
/* Miscellaneous support routines */
+extern void InitFileAccess(void);
extern void set_max_safe_fds(void);
extern void closeAllVfds(void);
+extern void SetTempTablespaces(Oid *tableSpaces, int numSpaces);
+extern bool TempTablespacesAreSet(void);
+extern Oid GetNextTempTableSpace(void);
extern void AtEOXact_Files(void);
+extern void AtEOSubXact_Files(bool isCommit, SubTransactionId mySubid,
+ SubTransactionId parentSubid);
extern void RemovePgTempFiles(void);
+
extern int pg_fsync(int fd);
+extern int pg_fsync_no_writethrough(int fd);
+extern int pg_fsync_writethrough(int fd);
extern int pg_fdatasync(int fd);
/* Filename components for OpenTemporaryFile */