1 // Copyright 2015 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.
5 // +build darwin dragonfly freebsd linux netbsd openbsd solaris
16 func maxOpenFiles() int {
17 var rlim syscall.Rlimit
18 if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim); err != nil {
19 return defaultMaxOpenFiles
24 func supportsRawIPSocket() (string, bool) {
26 return fmt.Sprintf("must be root on %s", runtime.GOOS), false