mirror of
https://github.com/minio/minio.git
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1c699d8d3f
This patch re-writes FS backend to support shared backend sharing locks for safe concurrent access across multiple servers.
121 lines
2.9 KiB
Go
121 lines
2.9 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"os"
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"runtime"
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"syscall"
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)
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// Function not implemented error
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func isSysErrNoSys(err error) bool {
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return err == syscall.ENOSYS
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}
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// Not supported error
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func isSysErrOpNotSupported(err error) bool {
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return err == syscall.EOPNOTSUPP
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}
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// No space left on device error
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func isSysErrNoSpace(err error) bool {
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return err == syscall.ENOSPC
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}
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// Input/output error
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func isSysErrIO(err error) bool {
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return err == syscall.EIO
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}
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// Check if the given error corresponds to EISDIR (is a directory).
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func isSysErrIsDir(err error) bool {
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if pathErr, ok := err.(*os.PathError); ok {
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switch pathErr.Err {
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case syscall.EISDIR:
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return true
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}
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}
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return false
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}
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// Check if the given error corresponds to ENOTDIR (is not a directory).
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func isSysErrNotDir(err error) bool {
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if pathErr, ok := err.(*os.PathError); ok {
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switch pathErr.Err {
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case syscall.ENOTDIR:
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return true
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}
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}
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return false
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}
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// Check if the given error corresponds to the ENAMETOOLONG (name too long).
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func isSysErrTooLong(err error) bool {
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if pathErr, ok := err.(*os.PathError); ok {
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switch pathErr.Err {
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case syscall.ENAMETOOLONG:
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return true
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}
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}
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return false
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}
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// Check if the given error corresponds to ENOTEMPTY for unix
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// and ERROR_DIR_NOT_EMPTY for windows (directory not empty).
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func isSysErrNotEmpty(err error) bool {
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if pathErr, ok := err.(*os.PathError); ok {
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if runtime.GOOS == "windows" {
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if errno, _ok := pathErr.Err.(syscall.Errno); _ok && errno == 0x91 {
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// ERROR_DIR_NOT_EMPTY
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return true
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}
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}
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switch pathErr.Err {
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case syscall.ENOTEMPTY:
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return true
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}
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}
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return false
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}
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// Check if the given error corresponds to the specific ERROR_PATH_NOT_FOUND for windows
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func isSysErrPathNotFound(err error) bool {
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if runtime.GOOS != "windows" {
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return false
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}
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if pathErr, ok := err.(*os.PathError); ok {
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if errno, _ok := pathErr.Err.(syscall.Errno); _ok && errno == 0x03 {
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// ERROR_PATH_NOT_FOUND
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return true
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}
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}
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return false
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}
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// Check if the given error corresponds to the specific ERROR_INVALID_HANDLE for windows
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func isSysErrHandleInvalid(err error) bool {
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if runtime.GOOS != "windows" {
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return false
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}
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// Check if err contains ERROR_INVALID_HANDLE errno
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if errno, ok := err.(syscall.Errno); ok && errno == 0x6 {
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return true
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}
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return false
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}
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