1// Copyright 2017 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
5package socket
6
7import "syscall"
8
9var (
10	errERROR_IO_PENDING error = syscall.ERROR_IO_PENDING
11	errEINVAL           error = syscall.EINVAL
12)
13
14// errnoErr returns common boxed Errno values, to prevent allocations
15// at runtime.
16func errnoErr(errno syscall.Errno) error {
17	switch errno {
18	case 0:
19		return nil
20	case syscall.ERROR_IO_PENDING:
21		return errERROR_IO_PENDING
22	case syscall.EINVAL:
23		return errEINVAL
24	}
25	return errno
26}
27