| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/internal/poll/ |
| Current File : //opt/golang/1.22.0/src/internal/poll/error_linux_test.go |
// Copyright 2019 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.
package poll_test
import (
"errors"
"internal/poll"
"os"
"syscall"
)
func badStateFile() (*os.File, error) {
if os.Getuid() != 0 {
return nil, errors.New("must be root")
}
// Using OpenFile for a device file is an easy way to make a
// file attached to the runtime-integrated network poller and
// configured in halfway.
return os.OpenFile("/dev/net/tun", os.O_RDWR, 0)
}
func isBadStateFileError(err error) (string, bool) {
switch err {
case poll.ErrNotPollable, syscall.EBADFD:
return "", true
default:
return "not pollable or file in bad state error", false
}
}