summaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/net/internal/nettest/helper_unix.go
blob: ed13e448b7b4c3ec9214be744a2ea79bb33d2909 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
// Copyright 2015 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

package nettest

import (
	"fmt"
	"os"
	"runtime"
	"syscall"
)

func maxOpenFiles() int {
	var rlim syscall.Rlimit
	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim); err != nil {
		return defaultMaxOpenFiles
	}
	return int(rlim.Cur)
}

func supportsRawIPSocket() (string, bool) {
	if os.Getuid() != 0 {
		return fmt.Sprintf("must be root on %s", runtime.GOOS), false
	}
	return "", true
}