sequence.go

package disruptor

const (
	InitialSequenceValue       = -1
	cpuCacheLinePadding        = 7
	MaxSequenceValue     int64 = (1 << 63) - 1
)

type Sequence struct {
	value   int64 // TODO: aligned read/write: https://groups.google.com/forum/#!topic/golang-nuts/XDfQUn4U_g8
	padding [cpuCacheLinePadding]int64
}

func NewSequence() *Sequence {
	return &Sequence{value: InitialSequenceValue}
}