lock

Documentation

Index

• type Locker
• type TicketLock
  • func NewTicketLock() *TicketLock
  • func (tl *TicketLock) Lock()
  • func (tl *TicketLock) Unlock()

Types

type Locker

type Locker interface {
	Lock()
	Unlock()
}

type TicketLock

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

a ticket lock implementation acts as a spinlock and insures goroutines complete in the order they called the lock in this helps avoid starvation of goroutines

func NewTicketLock

func NewTicketLock() *TicketLock

creates a new ticketLock starting at ticket 0

func (*TicketLock) Lock

func (tl *TicketLock) Lock()

waits until the goroutine's ticket equals the next ticket to be served

func (*TicketLock) Unlock

func (tl *TicketLock) Unlock()

signals a completion of a ticket and makes the lock available for the next ticket