github.com/zebozhuang/go@v0.0.0-20200207033046-f8a98f6f5c5d/src/net/tcpsockopt_posix.go (about)

     1  // Copyright 2009 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 linux netbsd openbsd solaris windows
     6  
     7  package net
     8  
     9  import (
    10  	"runtime"
    11  	"syscall"
    12  )
    13  
    14  func setNoDelay(fd *netFD, noDelay bool) error {
    15  	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(noDelay))
    16  	runtime.KeepAlive(fd)
    17  	return wrapSyscallError("setsockopt", err)
    18  }