pia-startcmd.go

func (c *commander) Start(name string, arg ...string) (stdoutPipe, stderrPipe io.ReadCloser, waitFn func() error, err error) {
	cmd := c.execCommand(name, arg...)
	stdout, err := cmd.StdoutPipe()
	if err != nil {
		return nil, nil, nil, err
	}
	stderr, err := cmd.StderrPipe()
	if err != nil {
		return nil, nil, nil, err
	}
	if err := cmd.Start(); err != nil {
		return nil, nil, nil, err
	}
	return stdout, stderr, cmd.Wait, nil
}