wfmutex

Documentation

Index

• Constants
• type WFMutex
  • func (rw *WFMutex) Lock() (bool, uint64)
  • func (rw *WFMutex) Read() uint64
  • func (rw *WFMutex) Unlock(t uint64) bool

Constants

const (
	LOCKED = 1 << 63
)

Types

type WFMutex

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

func (*WFMutex) Lock

func (rw *WFMutex) Lock() (bool, uint64)

Lock locks rw for writing. If the record is already locked it returns false, if I successfully obtained the lock it returns true. Lock never blocks.

func (*WFMutex) Read

func (rw *WFMutex) Read() uint64

func (*WFMutex) Unlock

func (rw *WFMutex) Unlock(t uint64) bool

Unlock unlocks rw for writing. It is a run-time error if rw is not locked for writing on entry to Unlock.