package lmdb

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in-package search v0.2.0

lmdb
- Lmdb
  - Conv
    
    Flags
  - Cursor
    
    Flags
  - Env
  - Map
    
    Flags
  - Mdb
    
    Block_option
    
    CopyFlags
    
    DbiFlags
    
    EnvFlags
    
    Flags
    
    Ops
    
    PutFlags
  - Txn

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Collection of maps stored in a single memory-mapped file.

type t

module Flags = Mdb.EnvFlags

val create : 
  _ perm ->
  ?max_readers:int ->
  ?map_size:int ->
  ?max_maps:int ->
  ?flags:Flags.t ->
  ?mode:int ->
  string ->
  t

create perm path creates an environment with Ro or Rw permissions with data and lock files in the already existing directory path. If no separate directory is desired, Flags.no_subdir can be passed.

The returned handle is not garbage collected and should be closed explicitely to free locks and prevent corruption on async environments.

parameter map_size
Size of the memory map. Limited by the virtual address space.

parameter max_readers
Maximum number of threads/reader slots.

parameter max_maps
Maximum number of named maps.

parameter mode
The UNIX permissions to set on created files and semaphores. Default is 0o644.

val sync : ?force:bool -> t -> unit

val close : t -> unit

val copy : ?compact:bool -> t -> string -> unit

val copyfd : ?compact:bool -> t -> Unix.file_descr -> unit

val set_flags : t -> Flags.t -> bool -> unit

val flags : t -> Flags.t

val set_map_size : t -> int -> unit

val path : t -> string

val fd : t -> Unix.file_descr

val stat : t -> Mdb.stat

val info : t -> Mdb.envinfo

val max_readers : t -> int

val max_keysize : t -> int

val reader_list : t -> string list

val reader_check : t -> int