1// Copyright 2013 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// This file implements sysSocket for platforms that provide a fast path for
6// setting SetNonblock and CloseOnExec.
7
8//go:build dragonfly || freebsd || linux || netbsd || openbsd
9
10package net
11
12import (
13	"os"
14	"syscall"
15)
16
17// Wrapper around the socket system call that marks the returned file
18// descriptor as nonblocking and close-on-exec.
19func sysSocket(family, sotype, proto int) (int, error) {
20	s, err := socketFunc(family, sotype|syscall.SOCK_NONBLOCK|syscall.SOCK_CLOEXEC, proto)
21	if err != nil {
22		return -1, os.NewSyscallError("socket", err)
23	}
24	return s, nil
25}
26