f, err := os.CreateTemp("", "lock")
	if err != nil {
		t.Fatal(err)
	}
	f.Close()
	defer func() {
		err = os.Remove(f.Name())
		if err != nil {
			t.Fatal(err)
		}
	}()

	// lock the file
	l, err := LockedOpenFile(f.Name(), os.O_WRONLY, 0o600)
	if err != nil {
		t.Fatal(err)
	}

	// unlock the file
	if err = l.Close(); err != nil {
		t.Fatal(err)
	}

func SameDisk(disk1, disk2 string) (bool, error) {
	st1 := syscall.Stat_t{}
	st2 := syscall.Stat_t{}

	if err := syscall.Stat(disk1, &st1); err != nil {
		return false, err
	}

	if err := syscall.Stat(disk2, &st2); err != nil {
		return false, err
	}

	return st1.Dev == st2.Dev, nil

				duplicates = res != nil
				res = NewChecksumWithType(ChecksumSHA1|ChecksumTrailing, "")
			}
			if duplicates {
				return nil, ErrInvalidChecksum
			}
		}
		if res != nil {
			return res, nil
		}
	}
	t, s := getContentChecksum(h)
	if t == ChecksumNone {
		if s == "" {
			return nil, nil
		}
		return nil, ErrInvalidChecksum
	}

	handle, err := syscall.FindFirstFile(globAllP, data)
	if err != nil {
		return nil, syscallErrToFileErr(dirPath, err)
	}

	defer syscall.FindClose(handle)

	count := opts.count
	for ; count != 0; err = syscall.FindNextFile(handle, data) {
		if err != nil {
			if err == syscall.ERROR_NO_MORE_FILES {
				break
			} else {
				return nil, osErrToFileErr(&os.PathError{
					Op:   "FindNextFile",

	_ = field
	var zb0001 uint32
	zb0001, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

				done = true
				return nil
			}
			if resp.Err != nil {
				s.cancel(resp.Err)
				return resp.Err
			}
			err = next(resp.Msg)
			if err != nil {
				s.cancel(err)
				return err
			}
		}
	}
}

// Done will return a channel that will be closed when the stream is done.
// This mirrors context.Done().
func (s *Stream) Done() <-chan struct{} {
	return s.ctx.Done()
}

	buf, major, minor, err := checkXL2V1(buf)
	if err != nil || major != 1 || minor < 3 {
		return nil, nil, nil
	}
	meta, buf, err = msgp.ReadBytesZC(buf)
	if err != nil {
		return nil, nil, err
	}
	if crc, nbuf, err := msgp.ReadUint32Bytes(buf); err == nil {
		// Read metadata CRC
		buf = nbuf
		if got := uint32(xxhash.Sum64(meta)); got != crc {

		if countBktStat {
			globalBucketHTTPStats.updateHTTPStats(bucket, api, nil)
		}

		globalHTTPStats.currentS3Requests.Inc(api)
		f.ServeHTTP(w, r)
		globalHTTPStats.currentS3Requests.Dec(api)

		tc, _ := r.Context().Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt)
		if tc != nil {
			globalHTTPStats.updateStats(api, tc.ResponseRecorder)

	signedHdrFields := strings.Split(strings.TrimSpace(signedHdrElement), "=")
	if len(signedHdrFields) != 2 {
		return nil, ErrMissingFields
	}
	if signedHdrFields[0] != "SignedHeaders" {
		return nil, ErrMissingSignHeadersTag
	}
	if signedHdrFields[1] == "" {
		return nil, ErrMissingFields
	}
	signedHeaders := strings.Split(signedHdrFields[1], ";")
	return signedHeaders, ErrNone
}

func ParseConfig(reader io.Reader) (*Config, error) {
	config := Config{}
	if err := xml.NewDecoder(io.LimitReader(reader, maxReplicationConfigSize)).Decode(&config); err != nil {
		return nil, err
	}
	// By default, set replica modification to enabled if unset.
	for i := range config.Rules {
		if len(config.Rules[i].SourceSelectionCriteria.ReplicaModifications.Status) == 0 {