package cgroups

import "github.com/opencontainers/runc/libcontainer/cgroups"

Index ¶

• Constants
• Variables
• func FindCgroupMountpoint(cgroupPath, subsystem string) (string, error)
• func FindCgroupMountpointAndRoot(cgroupPath, subsystem string) (string, string, error)
• func GetInitCgroup(subsystem string) (string, error)
• func GetInitCgroupPath(subsystem string) (string, error)
• func GetOwnCgroup(subsystem string) (string, error)
• func GetOwnCgroupPath(subsystem string) (string, error)
• func IsNotFound(err error) bool
• func NewNotFoundError(sub string) error
• func OpenFile(dir, file string, flags int) (*os.File, error)
• func ReadFile(dir, file string) (string, error)
• func WriteFile(dir, file, data string) error
• type NotFoundError
• func (e *NotFoundError) Error() string

Constants ¶

const (
	CgroupNamePrefix = "name="
)

Variables ¶

var (
	ErrV1NoUnified = errors.New("invalid configuration: cannot use unified on cgroup v1")
)

var (
	// TestMode is set to true by unit tests that need "fake" cgroupfs.
	TestMode bool
)

Functions ¶

func FindCgroupMountpoint ¶

func FindCgroupMountpoint(cgroupPath, subsystem string) (string, error)

https://www.kernel.org/doc/Documentation/cgroup-v1/cgroups.txt

func FindCgroupMountpointAndRoot ¶

func FindCgroupMountpointAndRoot(cgroupPath, subsystem string) (string, string, error)

func GetInitCgroup ¶

func GetInitCgroup(subsystem string) (string, error)

func GetInitCgroupPath ¶

func GetInitCgroupPath(subsystem string) (string, error)

func GetOwnCgroup ¶

func GetOwnCgroup(subsystem string) (string, error)

GetOwnCgroup returns the relative path to the cgroup docker is running in.

func GetOwnCgroupPath ¶

func GetOwnCgroupPath(subsystem string) (string, error)

func IsNotFound ¶

func IsNotFound(err error) bool

func NewNotFoundError ¶

func NewNotFoundError(sub string) error

func OpenFile ¶

func OpenFile(dir, file string, flags int) (*os.File, error)

OpenFile opens a cgroup file in a given dir with given flags. It is supposed to be used for cgroup files only.

func ReadFile ¶

func ReadFile(dir, file string) (string, error)

ReadFile reads data from a cgroup file in dir. It is supposed to be used for cgroup files only.

func WriteFile ¶

func WriteFile(dir, file, data string) error

WriteFile writes data to a cgroup file in dir. It is supposed to be used for cgroup files only.

Types ¶

type NotFoundError ¶

type NotFoundError struct {
	Subsystem string
}

func (*NotFoundError) Error ¶

func (e *NotFoundError) Error() string

Source Files ¶

cgroups_unsupported.go file.go v1_utils.go

Directories ¶