Struct EnvInfo

pub struct EnvInfo {
    pub map_addr: *mut c_void,
    pub map_size: usize,
    pub last_page_number: usize,
    pub last_txn_id: usize,
    pub maximum_number_of_readers: u32,
    pub number_of_readers: u32,
}

Contains information about the environment.

Fields

map_addr: *mut c_void

Address of the map, if fixed.

map_size: usize

Size of the data memory map.

last_page_number: usize

ID of the last used page.

last_txn_id: usize

ID of the last committed transaction.

maximum_number_of_readers: u32

Maximum number of reader slots in the environment.

number_of_readers: u32

Number of reader slots used in the environment.

Trait Implementations

impl Clone for EnvInfo

fn clone(&self) -> EnvInfo

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EnvInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for EnvInfo

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes