fcntllock

package module

v1.0.0 Latest Latest Go to latest Published: Apr 20, 2021 License: MIT Imports: 6 Imported by: 8

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type Lock struct {
	ReadWriteSeekCloser
	// contains filtered or unexported fields
}

Lock implement fcntl lock features

func (lck *Lock) LockContext(ctx context.Context, retryDelay time.Duration) error

LockContext repeat TryLock with retry delay until succeed or context Done

func (lck *Lock) TryLock() error

TryLock acquires an exclusive write file lock (non blocking)

func (lck Lock) UnLock() (err error)

UnLock release lock

type Locker = locker.Locker

func New(path string) Locker

New create a new fcntl lock

type ReadWriteSeekCloser interface {
	io.ReadWriteSeeker
	io.Closer
}