3c0c5ed4e0
godep restore pushd $GOPATH/src/github.com/appc/spec git co master popd go get go4.org/errorutil rm -rf Godeps godep save ./... git add vendor git add -f $(git ls-files --other vendor/) git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
// +build linux
|
|
|
|
package cgroups
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/opencontainers/runc/libcontainer/configs"
|
|
)
|
|
|
|
type Manager interface {
|
|
// Apply cgroup configuration to the process with the specified pid
|
|
Apply(pid int) error
|
|
|
|
// Returns the PIDs inside the cgroup set
|
|
GetPids() ([]int, error)
|
|
|
|
// Returns the PIDs inside the cgroup set & all sub-cgroups
|
|
GetAllPids() ([]int, error)
|
|
|
|
// Returns statistics for the cgroup set
|
|
GetStats() (*Stats, error)
|
|
|
|
// Toggles the freezer cgroup according with specified state
|
|
Freeze(state configs.FreezerState) error
|
|
|
|
// Destroys the cgroup set
|
|
Destroy() error
|
|
|
|
// NewCgroupManager() and LoadCgroupManager() require following attributes:
|
|
// Paths map[string]string
|
|
// Cgroups *cgroups.Cgroup
|
|
// Paths maps cgroup subsystem to path at which it is mounted.
|
|
// Cgroups specifies specific cgroup settings for the various subsystems
|
|
|
|
// Returns cgroup paths to save in a state file and to be able to
|
|
// restore the object later.
|
|
GetPaths() map[string]string
|
|
|
|
// Set the cgroup as configured.
|
|
Set(container *configs.Config) error
|
|
}
|
|
|
|
type NotFoundError struct {
|
|
Subsystem string
|
|
}
|
|
|
|
func (e *NotFoundError) Error() string {
|
|
return fmt.Sprintf("mountpoint for %s not found", e.Subsystem)
|
|
}
|
|
|
|
func NewNotFoundError(sub string) error {
|
|
return &NotFoundError{
|
|
Subsystem: sub,
|
|
}
|
|
}
|
|
|
|
func IsNotFound(err error) bool {
|
|
if err == nil {
|
|
return false
|
|
}
|
|
_, ok := err.(*NotFoundError)
|
|
return ok
|
|
}
|