// appears in outDatedDisks.
					tamperedIndex = index
					filePath := pathJoin(erasureDisks[index].String(), bucket, object, fi.DataDir, "part.1")
					f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
					if err != nil {
						t.Fatalf("Failed to open %s: %s\n", filePath, err)
					}
					f.WriteString("oops") // Will cause bitrot error
					f.Close()
					break
				}

			}

		}
	}

	go w.listen()

	return w, nil
}

func newFile(path string) (*os.File, error) {
	return os.OpenFile(path, os.O_WRONLY|os.O_TRUNC|os.O_CREATE|os.O_SYNC, 0o666)

	globalBackgroundHealState   = newHealState(GlobalContext, false)

	globalMRFState = mrfState{
		opCh: make(chan partialOperation, mrfOpsQueueSize),
	}

	// If writes to FS backend should be O_SYNC.
	globalFSOSync bool

	globalProxyEndpoints []ProxyEndpoint

	globalInternodeTransport http.RoundTripper

	globalRemoteTargetTransport http.RoundTripper

	globalDNSCache = &dnscache.Resolver{

	O_APPEND int = syscall.O_APPEND // append data to the file when writing.
	O_CREATE int = syscall.O_CREAT  // create a new file if none exists.
	O_EXCL   int = syscall.O_EXCL   // used with O_CREATE, file must not exist.
	O_SYNC   int = syscall.O_SYNC   // open for synchronous I/O.
	O_TRUNC  int = syscall.O_TRUNC  // truncate regular writable file when opened.
)

// Seek whence values.
//
// Deprecated: Use io.SeekStart, io.SeekCurrent, and io.SeekEnd.

	O_NOCTTY                         = 0x100
	O_NOFOLLOW                       = 0x20000
	O_NONBLOCK                       = 0x800
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x101000
	O_SYNC                           = 0x101000
	O_TMPFILE                        = 0x410000
	O_TRUNC                          = 0x200
	PARENB                           = 0x100
	PARODD                           = 0x200

	O_NOCTTY                         = 0x100
	O_NOFOLLOW                       = 0x8000
	O_NONBLOCK                       = 0x800
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x101000
	O_SYNC                           = 0x101000
	O_TMPFILE                        = 0x404000
	O_TRUNC                          = 0x200
	PARENB                           = 0x100
	PARODD                           = 0x200

	O_NOCTTY                         = 0x100
	O_NOFOLLOW                       = 0x20000
	O_NONBLOCK                       = 0x800
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x101000
	O_SYNC                           = 0x101000
	O_TMPFILE                        = 0x410000
	O_TRUNC                          = 0x200
	PARENB                           = 0x100
	PARODD                           = 0x200

		*wstatus = WaitStatus(status)
	}
	return
}

//sys	fsyncRange(fd int, how int, start int64, length int64) (err error) = fsync_range

func Fsync(fd int) error {
	return fsyncRange(fd, O_SYNC, 0, 0)
}

/*
 * Socket
 */
//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)

	O_LARGEFILE                     = 0x0400
	O_NDELAY                        = 0x4
	O_NONBLOCK                      = 0x04
	O_RDONLY                        = 0x02
	O_RDWR                          = 0x03
	O_SYNC                          = 0x0100
	O_TRUNC                         = 0x10
	O_WRONLY                        = 0x01
	O_NOCTTY                        = 0x20
	OPOST                           = 0x0001

	case O_WRONLY:
		rights = fileRights & ^readRights
	case O_RDWR:
		rights = fileRights
	}

	var fdflags fdflags
	if (openmode & O_APPEND) != 0 {
		fdflags |= FDFLAG_APPEND
	}
	if (openmode & O_SYNC) != 0 {
		fdflags |= FDFLAG_SYNC
	}

	var fd int32
	errno := path_open(
		dirFd,
		LOOKUP_SYMLINK_FOLLOW,
		pathPtr,
		pathLen,
		oflags,
		rights,
		fileRights,
		fdflags,