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Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 227 |
1 files changed, 227 insertions, 0 deletions
@@ -0,0 +1,227 @@ +-*- Mode: Outline -*- + +Things to be done on Hurd, that we should probably not punt to a volunteer. + +See `tasks', the exported task list. + +* RMS dictates: +** O_RDONLY==0 +** "user-friendly" naming scheme for /dev + +* Emacs M-x shell seems to start all the ptys. +* Settle termcap v. curses with rms et. al. +* Contents of =pending-changes. +* Make sure all the pieces of the Hurd have adequate version stuff. +* syslogify everything +* fix root dependencies in filesystem, network, etc. +* Profile things +* Make for easier installation + +* Libraries + +** libmom work: +*** Hack interface definitions so that args are mom-ish +*** Change libports and libpager to be mom-ish +*** Change servers to be mom-ish + +** libc: +*** Version of tmpfile that takes a directory +*** Hurd versions of tmpfile that don't create transient files +*** flink +*** make sure profiling works +*** implement revoke once io_revoke is added. + +** libports: +*** Get rid of general `uninibited-rpcs' mechanism in libports, & just + special-case interrupt_operation. + +** libstore: +*** test it and make diskfs use it. + +** libfsserver/libnetfs: +*** convert libnetfs to libfsserver + +** libpager: +*** Put user-defined fns into a callback struct passed to pager_create. +*** Make libpager paging interface able to read/write multiple pages at once. +*** Check all users of pager-create.c to make sure they DTRT when it returns + null. + +** libshouldbeinlibc: +*** Merge contents of libshouldbeinlibc that belong there into libc. + Rename the rest to libhurdutil or somesuch. +*** debug linewrap.c (in libshouldbeinlibc temporarily) +*** argp: finde some way to flag certain long options as only matching + exactly (add this as OPT_EXACT); use this on the built in option + --program-name. +*** Rewrite argp to do its own parsing. Preferably, split up libc's + getopt into more primitive functions, which both argp and getopt + can call. + + +** libdiskfs +*** detect write-protected media and turn on diskfs_readonly +*** Add the short-circuited-but-not-builtin translator startup code from + dir-lookup to fsys_getroot. Compare and match carefully these two + routines and then share common code. +*** Handle dead name notifications on execserver ports. +*** Deal correctly with setting the translators on /servers/exec. +*** Implement file_notice_changes. +*** Implement async I/O. +*** Think of a way to have when-to-sync-nodes be more flexible so it can + be done right for each format. +*** Check when-to-sync-nodes carefully against BSD 4.4 ufs implementation. +*** Provide for MNT_SYNCHRONOUS, MNT_NOEXEC, MNT_NOSUID, MNT_NODEV, etc. +*** Implement io_restrict_auth correctly. +*** Use libstore. +*** Use off_t correctly. +*** Add a consistent message printing facility for filesystems to use + (syslog, but takes special care when the root file system?). +*** Some of diskfs_readonly_changed in ufs/ext2fs should be in generic + routines. + +** libfshelp +*** Put functions here to deal with directory and file change notifications? +*** Translator startup should provide a more useful stdin/stdout than nothing? +*** Add functions to do permission checking and change libdiskfs et. al. + to use them. + +** libpager +*** Change interface to be more efficient with multi-page data-return calls. +*** Remove pagers from portset if there are too many incoming requests to + avoid forking too many threads. +*** flush functions don't actually force pending delayed copies. (and in + fact, they seem to block if a delayed copy is wired down) + +** libtrivfs +*** Allow for read/write/exec to be passed down. +*** Implement file_exec when appropriate. +*** Provide for the visible owner, etc., to be held in command-line args + instead of the underlying node, when it's important. + +** libps +*** Wizzior columnation (autosizing?) +*** Make getters more robust. + + +* Servers +** write default pager +** Implement goaway in all the servers that don't already have it. +** (init) sleep on spinning gettys +** Add calls to various servers to return interesting statistical information. +** Test new-fifo & make it fifo. +** Login/utmp? +** fifos are flaky. ?? Details ?? +** pflocal: make peer addresses work? + +** proc: +*** Add a version of proc_wait usable by non-parent processes, and use it in + gdb; maybe just a flag WNOREAP to proc_wait that doesn't reap and allows + anyone to use it. +*** Add proc_get_tty() [returns tty opened with no flags], so that ps can be + non-suid. +*** Remove hostname/hostid functions + +** pfinet +*** Allow multiple pfinets to arp on the same ethernet interface for different + IP addresses. +*** Register a shutdown notification to close TCP channels. + +** nfs +*** Implement async I/O +*** Finish work to turn on paging. +*** Finish excl arg work in link and rename. + +** devio: +*** Make a server (/servers/devio?) to share multiple devio nodes? +*** Use libstore. +*** Make block devices work again. +*** MAKEDEV should be able to make physical terminal devs. +*** Get rid of global DEVICE variable and use the trivfs control hack. +*** Serverify, ala new-fifo. + +** ufs: +*** Implement clustering, a la 4.4-lite sys/kern/vfs_cluster.c. +*** Make file_get_storage_info work for files with indirect blocks. +*** Optimizations: + pager.c/inode.c/libdiskfs count pager refs separately and then save + mappings in _diskfs_rdwr_internal and dir.c +*** Problems with DT_* hack: +**** Fix multiple-links DT_* bug. +**** Deal with change of type which should update directory. +**** Type is also wrong for translated nodes... +*** Roland sez: ENOSPC detection flaky in ufs. Try write of >page, + non-page-multiple, when free space allows write size but not + round_page (write size). +*** After using cp-dRuv to update lots of files to a ufs filesystem, sometimes + settrans -a says `Device Busy' if you subsequently attempt to shut it down. + (is this still true?) + +** ext2fs +*** Support chflags/st_flags and convert to/from ext2 flags on disk. +*** Try to write directories with 512-byte record boundaries. +*** Maybe file_pager_write_page should be able to accurately reproduce holes... +*** Add byte-swapping. + +** crash +*** Write core files. + +** init +*** SIGHUP and SIGQUIT don't seem to do the right thing. + + +* Utilities +** Write a real mount program. +** settrans needs an option to make the active go away without using goaway. +** Make id, et. al. work with no/multiple uids. +** Make things work with the `nobody' mode bits: chmod, ls, ... +** Make things work better with translators, e.g., tar... +** Fix bash to turn on interrupts around syscalls more generally, + especially chdir. +** Make su work. +** Bug: `hostname' command with no /etc/hostname hangs the system with disk light going. +** talk doesn't work +** login: Make --retry work correctly when invoked via a suid shell + script by other than root (it doesn't now if the script specifies + --retry="$0" because the exec server will use /dev/fd/N for name, + and child_lookup() doesn't supply more than fds 0-2). + + +** ps: +*** ps should timeout quickly (one second?) on non-responsive message ports. +*** --help output is wrong (probably line_wrap_point is not synced + with stream). +*** help displays for: stat letters, format specs. +*** Add head/tail options + +** gdb: +*** Add various mach convenience features (vminfo, &c). +*** Be even more vigilant about noticing new threads. In particular: +**** For mach-indep thread commands, before validating against + internal thread list. +*** read core files + +** nfsd -- fix remaining bugs +*** Add necessary support to filesystems + +** fsck -- zero-length directories and attachment into lost+found still + don't work. + + +* Mach: +** Have some analogue of /dev/klog that syslogd can get kernel messages from + (maybe there is already?); the boot file system, and other people deeming + it too risk to attempt to contact syslogd can use it too? +** Add a startup timestamp to tasks, and have some way of fetching it. + + +* TODO for version 0.0: + +** Bug: GDB as non-root +** Compile released libc. +** Compile released utilities. (See SOURCES-0.0) +** Make serverboot source tar and build instructions. +** Deal with crypt +** Relink everything after version numbered libc is installed +** Debug ext2fs +** Find fsck system hang |