fcntllock

package module

v1.0.3 Latest Latest Go to latest Published: Jun 9, 2022 License: MIT Imports: 8 Imported by: 8

Details

Package fcntllock provides simple whole file lock methods based on fcntl

Lock functions create lock directory if absent

This section is empty.

This section is empty.

This section is empty.

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
}