conn.Write([]byte("[hijack-to-conn]"))
			conn.Close()
			wrotec <- true
		}()
	})
	ln := &oneConnListener{conn: conn}
	go Serve(ln, handler)
	<-conn.closec
	<-wrotec
	if g, w := buf.String(), "[hijack-to-bufw][hijack-to-conn]"; g != w {
		t.Errorf("wrote %q; want %q", g, w)
	}
}

func TestDoubleHijack(t *testing.T) {
	req := reqBytes("GET / HTTP/1.1\nHost: golang.org")
	var buf bytes.Buffer

java.io.IOException; public static void copy(java.io.Reader, java.io.Writer) throws java.io.IOException; public static void copy(java.io.Reader, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, String) throws java.io.IOException; public static void copy(java.io.InputStream,...

java.io.IOException; public static void copy(java.io.Reader, java.io.Writer) throws java.io.IOException; public static void copy(java.io.Reader, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, String) throws java.io.IOException; public static void copy(java.io.InputStream,...

java.io.IOException; public static void copy(java.io.Reader, java.io.Writer) throws java.io.IOException; public static void copy(java.io.Reader, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, String) throws java.io.IOException; public static void copy(java.io.InputStream,...

java.io.IOException; public static void copy(java.io.Reader, java.io.Writer) throws java.io.IOException; public static void copy(java.io.Reader, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, String) throws java.io.IOException; public static void copy(java.io.InputStream,...

java.io.IOException; public static void copy(java.io.Reader, java.io.Writer) throws java.io.IOException; public static void copy(java.io.Reader, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, int) throws java.io.IOException; public static void copy(java.io.InputStream, java.io.Writer, String) throws java.io.IOException; public static void copy(java.io.InputStream,...

// EncodeMsg implements msgp.Encodable
func (z *CheckPartsHandlerParams) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 4
	// write "id"
	err = en.Append(0x84, 0xa2, 0x69, 0x64)
	if err != nil {
		return
	}
	err = en.WriteString(z.DiskID)
	if err != nil {
		err = msgp.WrapError(err, "DiskID")
		return
	}
	// write "v"
	err = en.Append(0xa1, 0x76)
	if err != nil {
		return
	}

		w.Write(headerContentLength)
		w.Write(h.contentLength)
		w.Write(crlf)
	}
	for i, v := range []string{h.contentType, h.connection, h.transferEncoding} {
		if v != "" {
			w.Write(extraHeaderKeys[i])
			w.Write(colonSpace)
			w.WriteString(v)
			w.Write(crlf)
		}
	}
}

// writeHeader finalizes the header sent to the client and writes it
// to cw.res.conn.bufw.
//

// writeBlocks writes a specified chunk of symbols to the output buffer. It
// breaks the write up into ≥blockSize chunks to write them out, and schedules
// as many goroutines as necessary to accomplish this task. This call then
// blocks, waiting on the writes to complete. Note that we use the sem parameter
// to limit the number of concurrent writes taking place.

		objects = append(objects, filepath.Join(p.Dir, syso))
	}

	// Pack into archive in objdir directory.
	// If the Go compiler wrote an archive, we only need to add the
	// object files for non-Go sources to the archive.
	// If the Go compiler wrote an archive and the package is entirely
	// Go sources, there is no pack to execute at all.
	if len(objects) > 0 {