process

type ContainerCommandArguments struct {
	Name   string            `json:"name"`
	Dir    string            `json:"dir"`
	Args   []string          `json:"args"`
	Env    map[string]string `json:"env"`
	Chroot string            `json:"chroot"`
}

type GetPID func() (int, error)

type PIDTable interface {
	//Register atomic registration of PID. MUST grantee that that no wait4 will happen
	//on any of the child process until the register operation is done.
	Register(g GetPID) error
	WaitPID(pid int) *syscall.WaitStatus
}

type Process interface {
	Command() *core.Command
	Run() (<-chan *stream.Message, error)
	Kill()
}

type ProcessFactory func(PIDTable, *core.Command) Process

type ProcessStats struct {
	Cmd   *core.Command `json:"cmd,omitempty"`
	CPU   float64       `json:"cpu"`
	RSS   uint64        `json:"rss"`
	VMS   uint64        `json:"vms"`
	Swap  uint64        `json:"swap"`
	Debug string        `json:"debug,ommitempty"`
}

type Runnable func(*core.Command) (interface{}, error)

type Stater interface {
	Stats() *ProcessStats
}

type SystemCommandArguments struct {
	Name  string            `json:"name"`
	Dir   string            `json:"dir"`
	Args  []string          `json:"args"`
	Env   map[string]string `json:"env"`
	StdIn []byte            `json:"stdin"`
}