|  | // 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 net | 
|  |  | 
|  | import ( | 
|  | "os" | 
|  | "syscall" | 
|  | ) | 
|  |  | 
|  | func setNoDelay(fd *netFD, noDelay bool) error { | 
|  | if err := fd.incref(); err != nil { | 
|  | return err | 
|  | } | 
|  | defer fd.decref() | 
|  | return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(noDelay))) | 
|  | } |