|  | // Copyright 2009 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. | 
|  |  | 
|  | // +build darwin dragonfly freebsd linux netbsd openbsd solaris windows | 
|  |  | 
|  | package poll | 
|  |  | 
|  | import "syscall" | 
|  |  | 
|  | // SetsockoptInt wraps the setsockopt network call with an int argument. | 
|  | func (fd *FD) SetsockoptInt(level, name, arg int) error { | 
|  | if err := fd.incref(); err != nil { | 
|  | return err | 
|  | } | 
|  | defer fd.decref() | 
|  | return syscall.SetsockoptInt(fd.Sysfd, level, name, arg) | 
|  | } | 
|  |  | 
|  | // SetsockoptInet4Addr wraps the setsockopt network call with an IPv4 address. | 
|  | func (fd *FD) SetsockoptInet4Addr(level, name int, arg [4]byte) error { | 
|  | if err := fd.incref(); err != nil { | 
|  | return err | 
|  | } | 
|  | defer fd.decref() | 
|  | return syscall.SetsockoptInet4Addr(fd.Sysfd, level, name, arg) | 
|  | } | 
|  |  | 
|  | // SetsockoptLinger wraps the setsockopt network call with a Linger argument. | 
|  | func (fd *FD) SetsockoptLinger(level, name int, l *syscall.Linger) error { | 
|  | if err := fd.incref(); err != nil { | 
|  | return err | 
|  | } | 
|  | defer fd.decref() | 
|  | return syscall.SetsockoptLinger(fd.Sysfd, level, name, l) | 
|  | } |