kubernetes/staging/src/k8s.io/kubectl/pkg/util/term/resize.go

// GetSize returns the current size of the user's terminal. If it isn't a terminal,
// nil is returned.
func (t TTY) GetSize() *remotecommand.TerminalSize { … }

// GetSize returns the current size of the terminal associated with fd.
func GetSize(fd uintptr) *remotecommand.TerminalSize { … }

// MonitorSize monitors the terminal's size. It returns a TerminalSizeQueue primed with
// initialSizes, or nil if there's no TTY present.
func (t *TTY) MonitorSize(initialSizes ...*remotecommand.TerminalSize) remotecommand.TerminalSizeQueue { … }

type sizeQueue …

var _ …

// monitorSize primes resizeChan with initialSizes and then monitors for resize events. With each
// new event, it sends the current terminal size to resizeChan.
func (s *sizeQueue) monitorSize(outFd uintptr, initialSizes ...*remotecommand.TerminalSize) { … }

// Next returns the new terminal size after the terminal has been resized. It returns nil when
// monitoring has been stopped.
func (s *sizeQueue) Next() *remotecommand.TerminalSize { … }

// stop stops the background goroutine that is monitoring for terminal resizes.
func (s *sizeQueue) stop() { … }