libgo/go/net/sockaddr_posix.go

   1 // Copyright 2018 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // +build darwin dragonfly freebsd js,wasm linux nacl netbsd openbsd solaris windows
   6
   7 package net
   8
   9 import (
  10         "syscall"
  11 )
  12
  13 // A sockaddr represents a TCP, UDP, IP or Unix network endpoint
  14 // address that can be converted into a syscall.Sockaddr.
  15 type sockaddr interface {
  16         Addr
  17
  18         // family returns the platform-dependent address family
  19         // identifier.
  20         family() int
  21
  22         // isWildcard reports whether the address is a wildcard
  23         // address.
  24         isWildcard() bool
  25
  26         // sockaddr returns the address converted into a syscall
  27         // sockaddr type that implements syscall.Sockaddr
  28         // interface. It returns a nil interface when the address is
  29         // nil.
  30         sockaddr(family int) (syscall.Sockaddr, error)
  31
  32         // toLocal maps the zero address to a local system address (127.0.0.1 or ::1)
  33         toLocal(net string) sockaddr
  34 }