syncx

Documentation

Index

• func NewSpinLock() sync.Locker
• type RWLock
  • func NewRWLock() RWLock
  • func (p RWLock) Lock()
  • func (p RWLock) RLock() sync.Locker
  • func (p RWLock) Unlock()

Functions

func NewSpinLock

func NewSpinLock() sync.Locker

NewSpinLock creates a new spin lock. A spin lock calls runtime.Gosched when it failed acquiring the lock, then try again until it succeeds.

Types

type RWLock

type RWLock []rwlockShard

RWLock holds a group of sharded RWMutex, it gives better performance in read-heavy workloads by reducing lock contention, but the performance for exclusive Lock is poor.

func NewRWLock

func NewRWLock() RWLock

NewRWLock creates a new RWLock.

func (RWLock) Lock

func (p RWLock) Lock()

Lock locks all underlying mutexes, preparing for exclusive access to the resource protected by the lock.

func (RWLock) RLock

func (p RWLock) RLock() sync.Locker

RLock acquires a non-exclusive reader lock, and returns the locker. The caller must hold the returned locker and calls it's Unlock method when it finishes work with the lock.

func (RWLock) Unlock

func (p RWLock) Unlock()

Unlock releases all underlying mutexes.