Mercurial > hg > CbC > CbC_gcc
view libgo/go/net/sock_bsd.go @ 120:f93fa5091070
fix conv1.c
author | mir3636 |
---|---|
date | Thu, 08 Mar 2018 14:53:42 +0900 |
parents | 04ced10e8804 |
children | 84e7813d76e9 |
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// 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 netbsd openbsd package net import ( "runtime" "syscall" ) func maxListenerBacklog() int { var ( n uint32 err error ) switch runtime.GOOS { case "darwin", "freebsd": n, err = syscall.SysctlUint32("kern.ipc.somaxconn") case "netbsd": // NOTE: NetBSD has no somaxconn-like kernel state so far case "openbsd": n, err = syscall.SysctlUint32("kern.somaxconn") } if n == 0 || err != nil { return syscall.SOMAXCONN } // FreeBSD stores the backlog in a uint16, as does Linux. // Assume the other BSDs do too. Truncate number to avoid wrapping. // See issue 5030. if n > 1<<16-1 { n = 1<<16 - 1 } return int(n) }