// within 5 days of the previous reuse. See golang.org/issue/22990.
const (
	mtimeInterval = 1 * time.Hour
	trimInterval  = 24 * time.Hour
	trimLimit     = 5 * 24 * time.Hour
)

// used makes a best-effort attempt to update mtime on file,
// so that mtime reflects cache access time.
//
// Because the reflection only needs to be approximate,
// and to reduce the amount of disk activity caused by using

	}

	// check both fileInfo's have same number of versions, if not skip
	// the `other` entry.
	if len(eVers.versions) != len(oVers.versions) {
		eTime := eVers.latestModtime()
		oTime := oVers.latestModtime()
		if !eTime.Equal(oTime) {
			if eTime.After(oTime) {
				return e, false
			}
			return other, false
		}
		// Tiebreak on version count.
		if len(eVers.versions) > len(oVers.versions) {

	time.Sleep(maxWaitTime)
	etime, err = asw.SetDetachRequestTime(logger, generatedVolumeName, nodeName)
	if err != nil {
		t.Fatalf("SetDetachRequestTime failed. Expected: <no error> Actual: <%v>", err)
	}
	if etime < maxWaitTime {
		t.Fatalf("SetDetachRequestTim Expected: <elapsed time %v is larger than maxWaitTime %v> Actual <elapsed time is smaller>", etime, maxWaitTime)
	}
}

	ESHUTDOWN       = syscall.Errno(0x6c)
	ESOCKTNOSUPPORT = syscall.Errno(0x5e)
	ESRMNT          = syscall.Errno(0x45)
	ESTALE          = syscall.Errno(0x74)
	ESTRPIPE        = syscall.Errno(0x56)
	ETIME           = syscall.Errno(0x3e)
	ETIMEDOUT       = syscall.Errno(0x6e)
	ETOOMANYREFS    = syscall.Errno(0x6d)
	EUCLEAN         = syscall.Errno(0x75)
	EUNATCH         = syscall.Errno(0x31)

	ESHUTDOWN       = syscall.Errno(0x6c)
	ESOCKTNOSUPPORT = syscall.Errno(0x5e)
	ESRMNT          = syscall.Errno(0x45)
	ESTALE          = syscall.Errno(0x74)
	ESTRPIPE        = syscall.Errno(0x56)
	ETIME           = syscall.Errno(0x3e)
	ETIMEDOUT       = syscall.Errno(0x6e)
	ETOOMANYREFS    = syscall.Errno(0x6d)
	EUCLEAN         = syscall.Errno(0x75)
	EUNATCH         = syscall.Errno(0x31)

	ESHUTDOWN       = syscall.Errno(0x6c)
	ESOCKTNOSUPPORT = syscall.Errno(0x5e)
	ESRMNT          = syscall.Errno(0x45)
	ESTALE          = syscall.Errno(0x74)
	ESTRPIPE        = syscall.Errno(0x56)
	ETIME           = syscall.Errno(0x3e)
	ETIMEDOUT       = syscall.Errno(0x6e)
	ETOOMANYREFS    = syscall.Errno(0x6d)
	EUCLEAN         = syscall.Errno(0x75)
	EUNATCH         = syscall.Errno(0x31)

	r := port_getn(portfd, &events[0], uint32(len(events)), &n, wait)
	e := errno()
	if r < 0 && e == _ETIME && n > 0 {
		// As per port_getn(3C), an ETIME failure does not preclude the
		// delivery of some number of events.  Treat a timeout failure
		// with delivered events as a success.
		r = 0
	}
	if r < 0 {
		if e != _EINTR && e != _ETIME {
			print("runtime: port_getn on fd ", portfd, " failed (errno=", e, ")\n")

	EPROCLIM           = Errno(1131)
	EUSERS             = Errno(1132)
	EDQUOT             = Errno(1133)
	ESTALE             = Errno(1134)
	EREMOTE            = Errno(1135)
	ENOSTR             = Errno(1136)
	ETIME              = Errno(1137)
	ENOSR              = Errno(1138)
	ENOMSG             = Errno(1139)
	EBADMSG            = Errno(1140)
	EIDRM              = Errno(1141)
	ENONET             = Errno(1142)

	ESOCKTNOSUPPORT = Errno(0x79)
	ESPIPE          = Errno(0x1d)
	ESRCH           = Errno(0x3)
	ESRMNT          = Errno(0x45)
	ESTALE          = Errno(0x97)
	ESTRPIPE        = Errno(0x5c)
	ETIME           = Errno(0x3e)
	ETIMEDOUT       = Errno(0x91)
	ETOOMANYREFS    = Errno(0x90)
	ETXTBSY         = Errno(0x1a)
	EUNATCH         = Errno(0x2a)
	EUSERS          = Errno(0x5e)
	EWOULDBLOCK     = Errno(0xb)

	Reordering     uint32
	Rcv_rtt        uint32
	Rcv_space      uint32
	Total_retrans  uint32
}

type _Gid_t uint32

type rusage_zos struct {
	Utime timeval_zos
	Stime timeval_zos
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64