1/*-------------------------------------------------------------------------
2 *
3 * pgarch.h
4 * Exports from postmaster/pgarch.c.
5 *
6 * Portions Copyright (c) 1996-2019, 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_wal 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.partial"
28
29/* ----------
30 * Functions called from postmaster
31 * ----------
32 */
33extern int pgarch_start(void);
34
35#ifdef EXEC_BACKEND
36extern void PgArchiverMain(int argc, char *argv[]) pg_attribute_noreturn();
37#endif
38
39#endif /* _PGARCH_H */
40