golang handshake_unix_test 代码
文件路径：/src/crypto/tls/handshake_unix_test.go
/ Copyright 2019 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/go:build unix
package tls
import (
"errors"
"syscall"
)
func init() {
isConnRefused = func(err error) bool {
return errors.Is(err, syscall.ECONNREFUSED)
}
}