file

Documentation

Index

• Constants
• Variables
• type LockedFile
  • func LockFile(path string, flag int, perm os.FileMode) (*LockedFile, error)
  • func TryLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error)

Constants

const (
	// PrivateFileMode is the permission for service file
	PrivateFileMode = 0600
	// PrivateDirMode is the permission for service dir
	PrivateDirMode = 0700
)

Variables

var (
	// ErrLocked means that fail to get file lock
	ErrLocked = errors.New("pkg/file: file already locked")
)

Types

type LockedFile

type LockedFile struct{ *os.File }

LockedFile wraps the file into a LockedFile concept simply

func LockFile

func LockFile(path string, flag int, perm os.FileMode) (*LockedFile, error)

LockFile opens file with the file lock, it's blocked

func TryLockFile

func TryLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error)

TryLockFile tries to open the file with the file lock, it's unblock