Struct a653rs_linux_core::cgroup::CGroup

pub struct CGroup { /* private fields */ }

A single cgroup inside our tree of managed cgroups

The tree is not represented by a traditional tree data structure, as this is very complicated in Rust. Instead, the tree is “calculated” by the path alone.

Implementations

impl CGroup

pub fn new_root<P: AsRef<Path>>(path: P, name: &str) -> Result<Self>

Creates a new cgroup as the root of a sub-tree

path must be the path of an already existing cgroup

pub fn import_root<P: AsRef<Path>>(path: P) -> Result<Self>

Imports an already existing cgroup as the root of a sub-tree

pub fn new(&self, name: &str) -> Result<Self>

Creates a sub-cgroup inside this one

pub fn new_threaded(&self, name: &str) -> Result<Self>

Creates a threaded sub-cgroup inside this one

pub fn mv_proc(&self, pid: Pid) -> Result<()>

Moves a process to this cgroup

pub fn mv_thread(&self, pid: Pid) -> Result<()>

Moves a thread to this cgroup

pub fn get_pids(&self) -> Result<Vec<Pid>>

Returns all PIDs associated with this cgroup

pub fn get_tids(&self) -> Result<Vec<Pid>>

Returns all TIDs associated with this cgroup

pub fn populated(&self) -> Result<bool>

Checks whether this cgroup is populated

pub fn frozen(&self) -> Result<bool>

Checks whether this cgroup is frozen

pub fn freeze(&self) -> Result<()>

Freezes this cgroup (does nothing if already frozen)

pub fn unfreeze(&self) -> Result<()>

Unfreezes this cgroup (does nothing if not frozen)

pub fn kill(&self) -> Result<()>

Kills all processes in this cgroup and returns once this procedure is finished

pub fn get_path(&self) -> PathBuf

Returns the path of this cgroup

pub fn get_events_path(&self) -> PathBuf

Returns the path of the event file, which may be polled

pub fn rm(&self) -> Result<()>

Kills all processes and removes the current cgroup

Trait Implementations

impl Debug for CGroup

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

Formats the value using the given formatter.