Struct CheckAndSet

internal/rsync/cas.go:21–26

CheckAndSet is a simple concurrency control mechanism that allows only one goroutine to execute a critical section at a time.

// CheckAndSet is a simple concurrency control mechanism that allows
// only one goroutine to execute a critical section at a time.
type CheckAndSet struct {
	state  bool
	owner  string
	startT time.Time
	mu     sync.Mutex
}

// NewCheckAndSet creates a new CheckAndSet instance.
func NewCheckAndSet() *CheckAndSet {