mdb_env(3) Library Functions Manual mdb_env(3)
NAME
mdb_env - Environment Flags
SYNOPSIS
Macros
#define MDB_FIXEDMAP 0x01
#define MDB_NOSUBDIR 0x4000
#define MDB_NOSYNC 0x10000
#define MDB_RDONLY 0x20000
#define MDB_NOMETASYNC 0x40000
#define MDB_WRITEMAP 0x80000
#define MDB_MAPASYNC 0x100000
#define MDB_NOTLS 0x200000
#define MDB_NOLOCK 0x400000
#define MDB_NORDAHEAD 0x800000
#define MDB_NOMEMINIT 0x1000000
Detailed Description
Macro Definition Documentation
#define MDB_FIXEDMAP 0x01
mmap at a fixed address (experimental)
#define MDB_NOSUBDIR 0x4000
no environment directory
#define MDB_NOSYNC 0x10000
don't fsync after commit
#define MDB_RDONLY 0x20000
read only
#define MDB_NOMETASYNC 0x40000
don't fsync metapage after commit
#define MDB_WRITEMAP 0x80000
use writable mmap
#define MDB_MAPASYNC 0x100000
use asynchronous msync when MDB_WRITEMAP is used
#define MDB_NOTLS 0x200000
tie reader locktable slots to MDB_txn objects instead of to threads
#define MDB_NOLOCK 0x400000
don't do any locking, caller must manage their own locks
#define MDB_NORDAHEAD 0x800000
don't do readahead (no effect on Windows)
#define MDB_NOMEMINIT 0x1000000
don't initialize malloc'd memory before writing to datafile
Author
Generated automatically by Doxygen for LMDB from the source code.
LMDB Thu Mar 24 2022 mdb_env(3)
Generated by dwww version 1.14 on Fri Jan 24 09:28:04 CET 2025.