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