Struct procfs::Shm

pub struct Shm {

    pub key: i32,
    pub shmid: u64,
    pub perms: u16,
    pub size: u32,
    pub cpid: i32,
    pub lpid: i32,
    pub nattch: u32,
    pub uid: u16,
    pub gid: u16,
    pub cuid: u16,
    pub cgid: u16,
    pub atime: u64,
    pub dtime: u64,
    pub ctime: u64,
    pub rss: u64,
    pub swap: u64,
}

A shared memory segment parsed from /proc/sysvipc/shm Relation with [crate::process::process::MMapPath::Vsys]

Fields

key: i32

Segment key

shmid: u64

Segment ID, unique

perms: u16

Access permissions, as octal

size: u32

Size in bytes

cpid: i32

Creator PID

lpid: i32

Last operator PID

nattch: u32

Number of attached processes

uid: u16

User ID

gid: u16

Group ID

cuid: u16

Creator UID

cgid: u16

Creator GID

atime: u64

Time of last shmat (attach), epoch

dtime: u64

Time of last shmdt (detach), epoch

ctime: u64

Time of last permission change, epoch

rss: u64

Current part of the shared memory resident in memory

swap: u64

Current part of the shared memory in SWAP

Implementations

impl Shm

pub fn new() -> ProcResult<Vec<Shm>>

Reads and parses the /proc/sysvipc/shm, returning an error if there are problems.

pub fn from_reader<R: Read>(r: R) -> ProcResult<Vec<Shm>>

Get Meminfo from a custom Read instead of the default /proc/sysvipc/shm.

Trait Implementations

impl Clone for Shm

fn clone(&self) -> Shm

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Shm

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

Formats the value using the given formatter.