}
	}
}

// The prime sieve: Daisy-chain filter processes together.
func sieve() {
	ch := make(chan int)  // Create a new channel.
	go generate(ch)       // Start generate() as a subprocess.
	for {
		prime := <-ch
		fmt.Print(prime, "\n")
		ch1 := make(chan int)
		go filter(ch, ch1, prime)
		ch = ch1
	}
}

func main() {
	sieve()
}
</pre>

* na ([#79892](https://github.com/kubernetes/kubernetes/pull/79892), [@mikebrow](https://github.com/mikebrow))
* Use O_CLOEXEC to ensure file descriptors do not leak to subprocesses. ([#74691](https://github.com/kubernetes/kubernetes/pull/74691), [@cpuguy83](https://github.com/cpuguy83))