]> granicus.if.org Git - postgresql/blob - src/include/postmaster/pgarch.h
Centralize definition of integer limits.
[postgresql] / src / include / postmaster / pgarch.h
1 /*-------------------------------------------------------------------------
2  *
3  * pgarch.h
4  *        Exports from postmaster/pgarch.c.
5  *
6  * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  * src/include/postmaster/pgarch.h
10  *
11  *-------------------------------------------------------------------------
12  */
13 #ifndef _PGARCH_H
14 #define _PGARCH_H
15
16 /* ----------
17  * Archiver control info.
18  *
19  * We expect that archivable files within pg_xlog will have names between
20  * MIN_XFN_CHARS and MAX_XFN_CHARS in length, consisting only of characters
21  * appearing in VALID_XFN_CHARS.  The status files in archive_status have
22  * corresponding names with ".ready" or ".done" appended.
23  * ----------
24  */
25 #define MIN_XFN_CHARS   16
26 #define MAX_XFN_CHARS   40
27 #define VALID_XFN_CHARS "0123456789ABCDEF.history.backup"
28
29 /* ----------
30  * Functions called from postmaster
31  * ----------
32  */
33 extern int      pgarch_start(void);
34
35 #ifdef EXEC_BACKEND
36 extern void PgArchiverMain(int argc, char *argv[]) pg_attribute_noreturn;
37 #endif
38
39 #endif   /* _PGARCH_H */