fileutil

package
Version: v0.0.0-...-4eadfbb Latest Latest
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Published: Oct 27, 2017 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrLocked = errors.New("file already locked")
)

Functions

func IsDirWriteable

func IsDirWriteable(dir string) error

IsDirWriteable checks if dir is writable by writing and removing a file to dir. It returns nil if dir is writable.

func Preallocate

func Preallocate(f *os.File, sizeInBytes int) error

Preallocate tries to allocate the space for given file. This operation is only supported on linux by a few filesystems (btrfs, ext4, etc.). If the operation is unsupported, no error will be returned. Otherwise, the error encountered will be returned.

func PurgeFile

func PurgeFile(dirname string, suffix string, max uint, interval time.Duration, stop <-chan struct{}) <-chan error

func ReadDir

func ReadDir(dirpath string) ([]string, error)

ReadDir returns the filenames in the given directory in sorted order.

Types

type Lock

type Lock interface {
	Name() string
	TryLock() error
	Lock() error
	Unlock() error
	Destroy() error
}

func NewLock

func NewLock(file string) (Lock, error)

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