// Support for pidfd was added during the course of a few Linux releases:
//  v5.1: pidfd_send_signal syscall;
//  v5.2: CLONE_PIDFD flag for clone syscall;
//  v5.3: pidfd_open syscall, clone3 syscall;
//  v5.4: P_PIDFD idtype support for waitid syscall;
//  v5.6: pidfd_getfd syscall.

package os

import (
	"errors"
	"internal/syscall/unix"
	"sync"
	"syscall"
	"unsafe"
)

		r.CustomRegister(collectors.NewCRIMetricsCollector(context.TODO(), s.host.ListPodSandboxMetrics, s.host.ListMetricDescriptors))
	} else {
		cadvisorOpts := cadvisorv2.RequestOptions{
			IdType:    cadvisorv2.TypeName,
			Count:     1,
			Recursive: true,
		}