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hoplock

package module

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Versions in this module

v0

v0.4.2

Sep 8, 2026

v0.4.1

Aug 14, 2026

v0.4.0

Aug 12, 2026

v0.3.0

Aug 1, 2026

v0.2.0

Jul 25, 2026

v0.1.0

May 6, 2026

Changes in this version

+ var ErrLeaseHeld = errors.New("hoplock: lease held by another owner")

+ var ErrNoLease = errors.New("hoplock: no lease")

+ type Backend interface

+ Delete func(ctx context.Context, handle string) error

+ Read func(ctx context.Context) (*State, string, error)

+ Write func(ctx context.Context, prevHandle string, state *State) (handle string, err error)

+ type Elector struct

+ Backend Backend

+ Logger *slog.Logger

+ Now func() time.Time

+ Owner string

+ Poll time.Duration

+ ReleaseTimeout time.Duration

+ Renew time.Duration

+ TTL time.Duration

+ func (e *Elector) Lead(ctx context.Context, fn func(ctx context.Context, lease Lease) error) error

+ func (e *Elector) Run(ctx context.Context) <-chan Event

+ type Event struct

+ Err error

+ Kind EventKind

+ Lease Lease

+ type EventKind int

+ const EventAcquired

+ const EventLost

+ const EventRenewed

+ type Lease struct

+ Handle string

+ type State struct

+ ExpiresAt time.Time

+ Generation int64

+ Owner string

+ func (s *State) IsExpired() bool

+ func (s *State) TTL() time.Duration