readdir(path, callback) { callback(enosys()); },
			readlink(path, callback) { callback(enosys()); },
			rename(from, to, callback) { callback(enosys()); },
			rmdir(path, callback) { callback(enosys()); },
			stat(path, callback) { callback(enosys()); },
			symlink(path, link, callback) { callback(enosys()); },
			truncate(path, length, callback) { callback(enosys()); },
			unlink(path, callback) { callback(enosys()); },

pkg syscall (darwin-386), const ENOPOLICY = 103
pkg syscall (darwin-386), const ENOPROTOOPT = 42
pkg syscall (darwin-386), const ENOSPC = 28
pkg syscall (darwin-386), const ENOSR = 98
pkg syscall (darwin-386), const ENOSTR = 99
pkg syscall (darwin-386), const ENOSYS = 78
pkg syscall (darwin-386), const ENOTBLK = 15
pkg syscall (darwin-386), const ENOTCONN = 57
pkg syscall (darwin-386), const ENOTDIR = 20

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fun
había
hai
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la
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lle
lles
lo
los
mais
me
meu
meus
min
miña
miñas
moi
na
nas
neste
nin
no
non
nos
nosa
nosas
noso
nosos
nós
nun
nunha
nuns
nunhas
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pero
pode
pois
pola
polas
polo
polos
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seu
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pkg syscall (netbsd-arm64-cgo), const ENOPROTOOPT = 42
pkg syscall (netbsd-arm64-cgo), const ENOSPC = 28
pkg syscall (netbsd-arm64-cgo), const ENOSR = 90
pkg syscall (netbsd-arm64-cgo), const ENOSR Errno
pkg syscall (netbsd-arm64-cgo), const ENOSTR = 91
pkg syscall (netbsd-arm64-cgo), const ENOSTR Errno
pkg syscall (netbsd-arm64-cgo), const ENOSYS = 78
pkg syscall (netbsd-arm64-cgo), const ENOTBLK = 15

pkg syscall (darwin-arm64), const ENOPROTOOPT = 42
pkg syscall (darwin-arm64), const ENOSPC = 28
pkg syscall (darwin-arm64), const ENOSR = 98
pkg syscall (darwin-arm64), const ENOSR Errno
pkg syscall (darwin-arm64), const ENOSTR = 99
pkg syscall (darwin-arm64), const ENOSTR Errno
pkg syscall (darwin-arm64), const ENOSYS = 78
pkg syscall (darwin-arm64), const ENOTBLK = 15
pkg syscall (darwin-arm64), const ENOTCONN = 57

#
defaultConfig:
  # NOTE: If you change any values in this section, make sure to make
  # the same changes in start up args in istio-ingress pods.
  #
  # TCP connection timeout between Envoy & the application, and between Envoys.
  connectTimeout: 1s
  #
  ### ADVANCED SETTINGS #############
  # Where should envoy's configuration be stored in the istio-proxy container
  configPath: "/etc/istio/proxy"
  binaryPath: "/usr/local/bin/envoy"

		Long: `
Retrieves last sent and last acknowledged xDS sync from Istiod to each Envoy in the mesh
`,
		Example: `  # Retrieve sync status for all Envoys in a mesh
  istioctl proxy-status

  # Retrieve sync status for Envoys in a specific namespace
  istioctl proxy-status --namespace foo

  # Retrieve sync diff for a single Envoy and Istiod

# Force the JVM to use IPv4 stack
if [ "x$FESS_USE_IPV4" != "x" ]; then
  FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Djava.net.preferIPv4Stack=true"
fi

FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Djna.nosys=true"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Djdk.io.permissionsUseCanonicalPath=true"

FESS_JAVA_OPTS="$FESS_JAVA_OPTS -XX:+UseG1GC"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -XX:InitiatingHeapOccupancyPercent=75"

REM Force the JVM to use IPv4 stack
if NOT "%FESS_USE_IPV4%" == "" (
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Djava.net.preferIPv4Stack=true
)

set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Djna.nosys=true
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Djdk.io.permissionsUseCanonicalPath=true

set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -XX:+UseG1GC
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -XX:InitiatingHeapOccupancyPercent=75

package cmd

import (
	"errors"
	"os"
	"runtime"
	"syscall"
)

// No space left on device error
func isSysErrNoSpace(err error) bool {
	return errors.Is(err, syscall.ENOSPC)
}

// Invalid argument, unsupported flags such as O_DIRECT
func isSysErrInvalidArg(err error) bool {
	return errors.Is(err, syscall.EINVAL)
}

// Input/output error
func isSysErrIO(err error) bool {