package systemd

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

Index ¶

• func ExpandSlice(slice string) (string, error)
• func Freeze(c *configs.Cgroup, state configs.FreezerState) error
• func IsRunningSystemd() bool
• func NewSystemdCgroupsManager() (func(config *configs.Cgroup, paths map[string]string) cgroups.Manager, error)
• func RangeToBits(str string) ([]byte, error)
• type Manager
• func (m *Manager) Apply(pid int) error
• func (m *Manager) Destroy() error
• func (m *Manager) Exists() bool
• func (m *Manager) Freeze(state configs.FreezerState) error
• func (m *Manager) GetAllPids() ([]int, error)
• func (m *Manager) GetCgroups() (*configs.Cgroup, error)
• func (m *Manager) GetPaths() map[string]string
• func (m *Manager) GetPids() ([]int, error)
• func (m *Manager) GetStats() (*cgroups.Stats, error)
• func (m *Manager) Path(_ string) string
• func (m *Manager) Set(container *configs.Config) error

Functions ¶

func ExpandSlice ¶

func ExpandSlice(slice string) (string, error)

systemd represents slice hierarchy using `-`, so we need to follow suit when generating the path of slice. Essentially, test-a-b.slice becomes /test.slice/test-a.slice/test-a-b.slice.

func Freeze ¶

func Freeze(c *configs.Cgroup, state configs.FreezerState) error

func IsRunningSystemd ¶

func IsRunningSystemd() bool

NOTE: This function comes from package github.com/coreos/go-systemd/util It was borrowed here to avoid a dependency on cgo.

IsRunningSystemd checks whether the host was booted with systemd as its init system. This functions similarly to systemd's `sd_booted(3)`: internally, it checks whether /run/systemd/system/ exists and is a directory. http://www.freedesktop.org/software/systemd/man/sd_booted.html

func NewSystemdCgroupsManager ¶

func NewSystemdCgroupsManager() (func(config *configs.Cgroup, paths map[string]string) cgroups.Manager, error)

func RangeToBits ¶

func RangeToBits(str string) ([]byte, error)

RangeToBits converts a text representation of a CPU mask (as written to or read from cgroups' cpuset.* files, e.g. "1,3-5") to a slice of bytes with the corresponding bits set (as consumed by systemd over dbus as AllowedCPUs/AllowedMemoryNodes unit property value).

Types ¶

type Manager ¶

type Manager struct {
	Cgroups *configs.Cgroup
	Paths   map[string]string
}

func (*Manager) Apply ¶

func (m *Manager) Apply(pid int) error

func (*Manager) Destroy ¶

func (m *Manager) Destroy() error

func (*Manager) Exists ¶

func (m *Manager) Exists() bool

func (*Manager) Freeze ¶

func (m *Manager) Freeze(state configs.FreezerState) error

func (*Manager) GetAllPids ¶

func (m *Manager) GetAllPids() ([]int, error)

func (*Manager) GetCgroups ¶

func (m *Manager) GetCgroups() (*configs.Cgroup, error)

func (*Manager) GetPaths ¶

func (m *Manager) GetPaths() map[string]string

func (*Manager) GetPids ¶

func (m *Manager) GetPids() ([]int, error)

func (*Manager) GetStats ¶

func (m *Manager) GetStats() (*cgroups.Stats, error)

func (*Manager) Path ¶

func (m *Manager) Path(_ string) string

func (*Manager) Set ¶

func (m *Manager) Set(container *configs.Config) error

Source Files ¶

common.go cpuset.go unsupported.go