filelock

Documentation

Index

• Constants
• Variables
• func Lock(f *os.File) error
• func LockOpenFile(name string, flag int, perm os.FileMode, lt lockType) (*file, error)
• func RLock(f *os.File) error
• func Unlock(f *os.File) error

Constants

const (
	ReadLock  lockType = syscall.LOCK_SH
	WriteLock lockType = syscall.LOCK_EX
)

Variables

var ErrFileLock = errors.New("file is lock")

Functions

func Lock

func Lock(f *os.File) error

排它锁锁住文件

func LockOpenFile

func LockOpenFile(name string, flag int, perm os.FileMode, lt lockType) (*file, error)

打开文件并带上锁

func RLock

func RLock(f *os.File) error

共享锁锁住文件

func Unlock

func Unlock(f *os.File) error

释放文件锁