yCbCrToYCbCr(ycbcr, p, &b, &cb[i], &cr[i])
					} else {
						toYCbCr(m, p, &b, &cb[i], &cr[i])
					}
					prevDCY = e.writeBlock(&b, 0, prevDCY)
				}
				scale(&b, &cb)
				prevDCCb = e.writeBlock(&b, 1, prevDCCb)
				scale(&b, &cr)
				prevDCCr = e.writeBlock(&b, 1, prevDCCr)
			}
		}
	}
	// Pad the last byte with 1's.
	e.emit(0x7f, 7)
}

		}
	}
	n := copy(d.window[d.windowEnd:], b)
	d.windowEnd += n
	return n
}

func (d *compressor) writeBlock(tokens []token, index int) error {
	if index > 0 {
		var window []byte
		if d.blockStart <= index {
			window = d.window[d.blockStart:index]
		}
		d.blockStart = index
		d.w.writeBlock(tokens, false, window)
		return d.w.err
	}
	return nil
}

	},
}

// TestWriteBlock tests if the writeBlock encoding has changed.
// To update the reference files use the "-update" flag on the test.
func TestWriteBlock(t *testing.T) {
	for _, test := range writeBlockTests {
		testBlock(t, test, "wb")
	}
}

	return n
}

// countMutex returns the number of records in the mutex profile.
func countMutex() int {
	n, _ := runtime.MutexProfile(nil)
	return n
}

// writeBlock writes the current blocking profile to w.
func writeBlock(w io.Writer, debug int) error {
	return writeProfileInternal(w, debug, "contention", pprof_blockProfileInternal)
}

// writeMutex writes the current mutex profile to w.

		value = 3
	}
	w.writeBits(value, 3)
}

// writeBlock will write a block of tokens with the smallest encoding.
// The original input can be supplied, and if the huffman encoded data
// is larger than the original bytes, the data will be written as a
// stored block.
// If the input is nil, the tokens will always be Huffman encoded.
func (w *huffmanBitWriter) writeBlock(tokens []token, eof bool, input []byte) {
	if w.err != nil {

    // Establish an ordering from writeLockA -> writeLockB.
    writeLockA.lock();
    writeLockB.lock();
    writeLockB.unlock();
    writeLockA.unlock();

    // Establish an ordering from writeLockB -> writeLockC.
    writeLockB.lock();
    writeLockC.lock();
    writeLockB.unlock();

    // writeLockC -> writeLockA should fail.
    PotentialDeadlockException expected =

    // Establish an ordering from writeLockA -> writeLockB.
    writeLockA.lock();
    writeLockB.lock();
    writeLockB.unlock();
    writeLockA.unlock();

    // Establish an ordering from writeLockB -> writeLockC.
    writeLockB.lock();
    writeLockC.lock();
    writeLockB.unlock();

    // writeLockC -> writeLockA should fail.
    PotentialDeadlockException expected =

func writeDatblkToOutBuf(ctxt *Link, out *OutBuf, addr int64, size int64) {
	writeBlocks(ctxt, out, ctxt.outSem, ctxt.loader, ctxt.datap, addr, size, zeros[:])
}

func dwarfblk(ctxt *Link, out *OutBuf, addr int64, size int64) {
	// Concatenate the section symbol lists into a single list to pass
	// to writeBlocks.
	//
	// NB: ideally we would do a separate writeBlocks call for each

func (file *file) readUnlock() {
	if file.fdmu.ReadUnlock() {
		file.destroy()
	}
}

// writeLock adds a reference to the file and locks it for writing.
// It returns an error if the file is already closed.
func (file *file) writeLock() error {
	if !file.fdmu.WriteLock() {
		return ErrClosed
	}
	return nil
}

// writeUnlock removes a reference from the file and unlocks it for writing.

		}
		err = fd.eofError(n, err)
		return n, oobn, sysflags, err
	}
}

// Write implements io.Writer.
func (fd *FD) Write(p []byte) (int, error) {
	if err := fd.writeLock(); err != nil {
		return 0, err
	}
	defer fd.writeUnlock()
	if err := fd.pd.prepareWrite(fd.isFile); err != nil {
		return 0, err
	}
	var nn int
	for {
		max := len(p)
		if fd.IsStream && max-nn > maxRW {
			max = nn + maxRW