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                           = 0x1000
	PARODD                           = 0x2000

		*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_NOCTTY                         = 0x100
	O_NOFOLLOW                       = 0x8000
	O_NONBLOCK                       = 0x800
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x101000
	O_SYNC                           = 0x101000
	O_TMPFILE                        = 0x404000
	O_TRUNC                          = 0x200
	PARENB                           = 0x1000
	PARODD                           = 0x2000

	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_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,

	O_RDWR                        = 0x2
	O_RSYNC                       = 0x8000
	O_SEARCH                      = 0x200000
	O_SIOCGIFCONF                 = -0x3ff796ec
	O_SIOCGLIFCONF                = -0x3fef9688
	O_SYNC                        = 0x10
	O_TRUNC                       = 0x200
	O_WRONLY                      = 0x1
	O_XATTR                       = 0x4000
	PARENB                        = 0x100

				return h, e
			}
		}
	}
	if createmode == OPEN_EXISTING && access == GENERIC_READ {
		// Necessary for opening directory handles.
		attrs |= FILE_FLAG_BACKUP_SEMANTICS
	}
	if mode&O_SYNC != 0 {
		const _FILE_FLAG_WRITE_THROUGH = 0x80000000
		attrs |= _FILE_FLAG_WRITE_THROUGH
	}
	return CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0)
}

	O_RDONLY   = 0x00000
	O_WRONLY   = 0x00001
	O_RDWR     = 0x00002
	O_CREAT    = 0x00040
	O_EXCL     = 0x00080
	O_NOCTTY   = 0x00100
	O_TRUNC    = 0x00200
	O_NONBLOCK = 0x00800
	O_APPEND   = 0x00400
	O_SYNC     = 0x01000
	O_ASYNC    = 0x02000
	O_CLOEXEC  = 0x80000
)

const (
	// More invented values for signals
	SIGHUP  = Signal(0x1)
	SIGINT  = Signal(0x2)
	SIGQUIT = Signal(0x3)
	SIGILL  = Signal(0x4)

		t.Fatal(err)
	}

	// 4) Streaming bitrot check on corrupted file
	filePath := pathJoin(storage.String(), volName, fileName)
	f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0o644)
	if err != nil {
		t.Fatal(err)
	}
	// Replace first 256 with 'a'.
	if _, err := f.WriteString(strings.Repeat("a", 256)); err != nil {
		t.Fatal(err)
	}
	f.Close()