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tailscale/wgengine/tsdns/neterr_darwin.go

26 lines
582 B
Go

// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tsdns
import (
"errors"
"syscall"
)
// Avoid allocation when calling errors.Is below
// by converting syscall.Errno to error here.
var (
networkDown error = syscall.ENETDOWN
networkUnreachable error = syscall.ENETUNREACH
)
func networkIsDown(err error) bool {
return errors.Is(err, networkDown)
}
func networkIsUnreachable(err error) bool {
return errors.Is(err, networkUnreachable)
}