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) 1996-2021, 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 extern Size PgArchShmemSize(void);
30 extern void PgArchShmemInit(void);
31 extern bool PgArchCanRestart(void);
32 extern void PgArchiverMain(void) pg_attribute_noreturn();
33 extern void PgArchWakeup(void);
34 
35 #endif /* _PGARCH_H */
#define pg_attribute_noreturn()
Definition: c.h:179
bool PgArchCanRestart(void)
Definition: pgarch.c:148
Size PgArchShmemSize(void)
Definition: pgarch.c:109
void PgArchiverMain(void) pg_attribute_noreturn()
Definition: pgarch.c:168
void PgArchShmemInit(void)
Definition: pgarch.c:120
void PgArchWakeup(void)
Definition: pgarch.c:210
size_t Size
Definition: c.h:540