utils/stall/cpuwait_other.go

Rama main · réplica de lectura del repositorio original.

//go:build !linux

package stall

import "time"

// threadWaits: no per-thread run delay or steal to read outside Linux.
type threadWaits struct{}

func (*threadWaits) longest() (time.Duration, uint64) { return 0, 0 }

// threadRunDelay: no run delay to read outside Linux.
func threadRunDelay() (time.Duration, bool) { return 0, false }

// sleepFor sleeps for d on a timer, and says whether stop closed first: a
// release ends it at once, with no waker.
func sleepFor(d time.Duration, stop <-chan struct{}, _ *waker) (stopped bool) {
	t := time.NewTimer(d)
	defer t.Stop()
	select {
	case <-stop:
		return true
	case <-t.C:
		return false
	}
}

// waker: the sleep (sleepFor) waits on stop itself.
type waker struct{}

func newWaker() *waker { return &waker{} }

func (*waker) wake() {}

func (*waker) take() {}