syncutil

type LockGroup ¶

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

LockGroup is a map of mutex that locks entries with different id separately. It's used levitate lock contentions of using a global lock.

func NewLockGroup(options ...LockGroupOption) *LockGroup

func (g *LockGroup) Lock(id uint32)

func (g *LockGroup) Unlock(id uint32)

type LockGroupOption ¶

type LockGroupOption func(lg *LockGroup)

LockGroupOption configures the lock group.

func WithHash(hashFn func(id uint32) uint32) LockGroupOption

type Mutex ¶

type Mutex struct {
	sync.Mutex
}

Mutex is a mutual exclusion lock. The zero value for a Mutex is an unlocked mutex.

Mutex must not be copied after first use.

type RWMutex ¶

type RWMutex struct {
	sync.RWMutex
}

RWMutex is a reader/writer mutual exclusion lock. The lock can be held by an arbitrary number of readers or a single writer. The zero value for a RWMutex is an unlocked mutex.

RWMutex must not be copied after first use.