lxd/endpoints/socket.go
func CheckAlreadyRunning(path string) error {
	// If socket activated, nothing to do
	pid, err := strconv.Atoi(os.Getenv("LISTEN_PID"))
	if err == nil {
		if pid == os.Getpid() {
			return nil
		}
	}

	// If there's no socket file at all, there's nothing to do.
	if !shared.PathExists(path) {
		return nil
	}

	_, err = lxd.ConnectLXDUnix(path, nil)

	// If the connection succeeded it means there's another LXD running.
	if err == nil {
		return fmt.Errorf("LXD is already running")
	}

	return nil
}
func CheckAlreadyRunning(path string) error {
	// If socket activated, nothing to do
	pid, err := strconv.Atoi(os.Getenv("LISTEN_PID"))
	if err == nil {
		if pid == os.Getpid() {
			return nil
		}
	}

	// If there's no socket file at all, there's nothing to do.
	if !shared.PathExists(path) {
		return nil
	}

	_, err = lxd.ConnectLXDUnix(path, nil)

	// If the connection succeeded it means there's another LXD running.
	if err == nil {
		return fmt.Errorf("LXD is already running")
	}

	return nil
}
func CheckAlreadyRunning ( path string ) error { // If socket activated, nothing to do pid , err := strconv . Atoi ( os . Getenv ( " " ) ) if err == nil { if pid == os . Getpid ( ) { return nil } } // If there's no socket file at all, there's nothing to do. if ! shared . PathExists ( path ) { return nil } _ , err = lxd . ConnectLXDUnix ( path , nil ) // If the connection succeeded it means there's another LXD running. if err == nil { return fmt . Errorf ( " " ) } return nil }
// CheckAlreadyRunning checks if the socket at the given path is already
// bound to a running LXD process, and return an error if so.
//
// FIXME: We should probably rather just try a regular unix socket
//        connection without using the client. However this is the way
//        this logic has historically behaved, so let's keep it like it
//        was.
CheckAlreadyRunning checks if the socket at the given path is already bound to a running LXD process and return an error if so . FIXME : We should probably rather just try a regular unix socket connection without using the client . However this is the way this logic has historically behaved so let s keep it like it was .