| David K. Bainbridge | 215e024 | 2017-09-05 23:18:24 -0700 | [diff] [blame] | 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 | |
| 5 | package socket |
| 6 | |
| 7 | import "syscall" |
| 8 | |
| 9 | var ( |
| 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. |
| 16 | func 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 | } |