diff options
Diffstat (limited to 'src/pkg/net/sock_linux.go')
| -rw-r--r-- | src/pkg/net/sock_linux.go | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/pkg/net/sock_linux.go b/src/pkg/net/sock_linux.go index ec31e803b..2cbc34f24 100644 --- a/src/pkg/net/sock_linux.go +++ b/src/pkg/net/sock_linux.go @@ -1,4 +1,4 @@ -// Copyright 2011 The Go Authors. All rights reserved. +// 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. @@ -6,20 +6,22 @@ package net -import ( - "syscall" -) +import "syscall" -func setKernelSpecificSockopt(s, f int) { - // Allow reuse of recently-used addresses. - syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1) - - // Allow broadcast. - syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1) - - if f == syscall.AF_INET6 { - // using ip, tcp, udp, etc. - // allow both protocols even if the OS default is otherwise. - syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, 0) +func maxListenerBacklog() int { + fd, err := open("/proc/sys/net/core/somaxconn") + if err != nil { + return syscall.SOMAXCONN + } + defer fd.close() + l, ok := fd.readLine() + if !ok { + return syscall.SOMAXCONN + } + f := getFields(l) + n, _, ok := dtoi(f[0], 0) + if n == 0 || !ok { + return syscall.SOMAXCONN } + return n } |