Method add

cgroup1/cgroup.go:224–248

(process Process, pType procType, subsystems ...Name)

}

func (c *cgroup) add(process Process, pType procType, subsystems ...Name) error {
	if process.Pid <= 0 {
		return ErrInvalidPid
	}
	c.mu.Lock()
	defer c.mu.Unlock()
	if c.err != nil {
		return c.err
	}
	for _, s := range pathers(c.subsystemsFilter(subsystems...)) {
		p, err := c.path(s.Name())
		if err != nil {
			return err
		}
		err = writeCgroupProcs(
			filepath.Join(s.Path(p), pType),
			[]byte(strconv.Itoa(process.Pid)),
			defaultFilePerm,
		)
		if err != nil {
			return err
		}
	}
	return nil
}

// Delete will remove the control group from each of the subsystems registered
func (c *cgroup) Delete() error {