lock

package

v4.1.3 Latest Latest Go to latest Published: May 8, 2024 License: BSD-3-Clause Imports: 4 Imported by: 0

Details

This section is empty.

View Source

var ErrByteRangeAcquired = errors.New("file byte-range lock is already acquired")

ErrByteRangeAcquired corresponds to the error returned when a file byte-range is already acquired.

View Source

var ErrLockNotSupported = errors.New("file lock is not supported")

ErrLockNotSupported corresponds to the error returned when file locking is not supported.

func Exclusive(path string) (fd int, err error)

Exclusive applies an exclusive lock on path

func Release(fd int) error

Release removes a lock on path referenced by fd

type ByteRange struct {
	// contains filtered or unexported fields
}

ByteRange defines a file byte-range lock.

func NewByteRange(fd int, start, len int64) *ByteRange

NewByteRange returns a file byte-range lock.

func (r *ByteRange) Lock() error

Lock places a write lock for the corresponding byte-range.

func (r *ByteRange) RLock() error

RLock places a read lock for the corresponding byte-range.

func (r *ByteRange) Unlock() error

Unlock removes the lock for the corresponding byte-range.