System.CGroup.V1.Controller

Common types and operations for cgroup controllers.

cgroup controllers

newtype Controller a

A cgroup (v1) controller path for a specific subsystem

Constructors

Controller

Fields

• unController :: Path Abs Dir

Instances

Show (Controller a)

Defined in System.CGroup.V1.Controller

Methods

showsPrec :: Int -> Controller a -> ShowS

show :: Controller a -> String

showList :: [Controller a] -> ShowS

Eq (Controller a)

Defined in System.CGroup.V1.Controller

Methods

(==) :: Controller a -> Controller a -> Bool

(/=) :: Controller a -> Controller a -> Bool

Ord (Controller a)

Defined in System.CGroup.V1.Controller

Methods

compare :: Controller a -> Controller a -> Ordering

(<) :: Controller a -> Controller a -> Bool

(<=) :: Controller a -> Controller a -> Bool

(>) :: Controller a -> Controller a -> Bool

(>=) :: Controller a -> Controller a -> Bool

max :: Controller a -> Controller a -> Controller a

min :: Controller a -> Controller a -> Controller a

resolveCGroupController :: Text -> IO (Controller a)

Resolve a cgroup (v1) controller by name, as viewed by the current process

see cgroups(7): /proc/self/cgroup is a file that contains information about control groups applied to this process

see proc(5): /proc/self/mountinfo is a file that contains information about mounts available to this process

Throws an Exception when the controller is not able to be found, or when running outside of a cgroup

resolveCGroupController' :: Path Abs File -> Path Abs File -> Text -> IO (Controller a)

Resolve a cgroup controller by name, under the given cgroup and mountinfo paths

Throws an Exception when the controller is not able to be found, or when running outside of a cgroup