sync

Documentation

Index

• func AddFloat32(addr *float32, delta float32) (new float32)
• func AddFloat64(addr *float64, delta float64) (new float64)
• func CasItem(p *unsafe.Pointer, old, new *DirectItem) bool
• func SubUint32(addr *uint32, delta uint32) (new uint32)
• func SubUint64(addr *uint64, delta uint64) (new uint64)
• func WaitGroupState(wg *sync.WaitGroup) (counter int32, wcounter uint32)
• func WaitGroupStopWait(wg *sync.WaitGroup)
• type DirectItem
  • func LoadItem(p *unsafe.Pointer) *DirectItem
• type WaitGroup
  • func (wg *WaitGroup) State() (counter int32, wcounter uint32)

Functions

func AddFloat32

func AddFloat32(addr *float32, delta float32) (new float32)

func AddFloat64

func AddFloat64(addr *float64, delta float64) (new float64)

AddFloat64 add delta to given address atomically

func CasItem

func CasItem(p *unsafe.Pointer, old, new *DirectItem) bool

func SubUint32

func SubUint32(addr *uint32, delta uint32) (new uint32)

func SubUint64

func SubUint64(addr *uint64, delta uint64) (new uint64)

func WaitGroupState

func WaitGroupState(wg *sync.WaitGroup) (counter int32, wcounter uint32)

WaitGroupState返回 sync.WaitGroup 的状态,

func WaitGroupStopWait

func WaitGroupStopWait(wg *sync.WaitGroup)

Types

type DirectItem

type DirectItem struct {
	Next unsafe.Pointer
	V    interface{}
}

func LoadItem

func LoadItem(p *unsafe.Pointer) *DirectItem

type WaitGroup

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

运行计数，等待计数，信号计数

func (*WaitGroup) State

func (wg *WaitGroup) State() (counter int32, wcounter uint32)