dlock

Apr 22, 2026

Changes in this version

+ func DoWithLock(ctx context.Context, locker Locker, key string, fn func() error, ...) error

+ func TryDoWithLock(ctx context.Context, locker Locker, key string, fn func() error, ...) (bool, error)

Apr 22, 2026

Changes in this version

type Lock

+ Done func() <-chan struct{}

+ Valid func() bool

Apr 22, 2026

Changes in this version

+ const DefaultRetryDelay

+ const DefaultTTL

+ var ErrInvalidToken = errors.New("invalid token or lock expired")

+ var ErrLockFailed = errors.New("failed to acquire lock")

+ type Lock interface

+ Key func() string

+ Refresh func(ctx context.Context) error

+ Token func() string

+ Unlock func(ctx context.Context) error

+ type Locker interface

+ Lock func(ctx context.Context, key string, opts ...Option) (Lock, error)

+ TryLock func(ctx context.Context, key string, opts ...Option) (Lock, bool, error)

+ type Option func(*Options)

+ func WithRetryDelay(d time.Duration) Option

+ func WithTTL(d time.Duration) Option

+ func WithToken(token string) Option

+ type Options struct

+ RetryDelay time.Duration

+ TTL time.Duration

+ Token string

+ func NewOptions(opts ...Option) *Options