PostgreSQL Source Code git master
pgarch.h
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1/*-------------------------------------------------------------------------
2 *
3 * pgarch.h
4 * Exports from postmaster/pgarch.c.
5 *
6 * Portions Copyright (c) 1996-2025, 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
29extern Size PgArchShmemSize(void);
30extern void PgArchShmemInit(void);
31extern bool PgArchCanRestart(void);
32pg_noreturn extern void PgArchiverMain(const void *startup_data, size_t startup_data_len);
33extern void PgArchWakeup(void);
34extern void PgArchForceDirScan(void);
35
36#endif /* _PGARCH_H */
pg_noreturn
#define pg_noreturn
Definition: c.h:165
Size
size_t Size
Definition: c.h:576
PgArchiverMain
pg_noreturn void PgArchiverMain(const void *startup_data, size_t startup_data_len)
Definition: pgarch.c:216
PgArchCanRestart
bool PgArchCanRestart(void)
Definition: pgarch.c:196
PgArchShmemSize
Size PgArchShmemSize(void)
Definition: pgarch.c:156
PgArchForceDirScan
void PgArchForceDirScan(void)
Definition: pgarch.c:802
PgArchShmemInit
void PgArchShmemInit(void)
Definition: pgarch.c:167
PgArchWakeup
void PgArchWakeup(void)
Definition: pgarch.c:279