flock

func Close ¶

func Close() error

Close is equivalent to calling Unlock.

This will release the lock and close the underlying file descriptor. It will not remove the file from disk, that's up to your application.

func Lock ¶

func Lock(lockfile string) error

Lock : Lock

func RLock ¶

func RLock(lockfile string) error

RLock : read lock

func TryLock ¶

func TryLock(lockfile string) (bool, error)

TryLock : try lock

func TryRLock ¶

func TryRLock(lockfile string) (bool, error)

TryRLock : try read lock

func Unlock ¶

func Unlock() error

Unlock : unlock