307 lines
9.2 KiB
Text
307 lines
9.2 KiB
Text
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- define service status in one document, so repeatition stops!
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- add error handling to cinit.install.binary
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- add code do implement stopping / restarting with dependency tree
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# cinit.create.empty.service: can only be started from the bin directory
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- Fix Switching services off !!
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- Error codes when shutting down a service?
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- Delay dokumentieren
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- no_kill dokumentieren
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- on.out, on.err, on.in?
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-> reading/writing from/to files
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- implement "no_kill" until cinit-0.2 or 0.3?
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--------------------------------------------------------------------------------
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- Source Logic issues
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- remove FIXME entries (and what should be fixed, too)
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Helper scripts, rausgenommen aus Der Doku, muessen fuer
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cinit-0.3 ueberprueft werden:
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Configure help scripts
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~~~~~~~~~~~~~~~~~~~~~~
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cinit-conf later
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Using prepared scripts
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In the bin/ directory of this tarball you'll find at least:
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cinit.add.dependency - add a dependency to a service
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cinit.add.getty - add a new getty
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cinit.create.empty.service - create an empty service
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cinit.reboot - reboot in /bin/sh
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cinit.remove.getty - remove a getty service
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cinit.respawn.off - switch respawing off
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cinit.respawn.on - switch respawing on
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cinit.shutdown - shutdown in /bin/sh
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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Optimisations
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-------------
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- Installing cinit
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o compiling cinit from source
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o debian / gentoo
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- Configuring
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* add scripts! see below
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- define coding guidelines -> general, with url?
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- Write manpages (use doc/* as base for that)
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- Check Spell and Grammar in documentation
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- write howto:
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o Howto-cinit
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o Howto-cinit-uml
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tree_exec
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~~~~~~~~~
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- only check dependencies (=needs) after the basic run?
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Documentation
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-------------
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developer
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~~~~~~~~~
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- ST_IN_LIST == startup marker, used to (NOT) insert services into startup
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- dep_needs_wants_add is used to add dependencies of a service to the general
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starter list
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user
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----
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- do we really need swapoff? remove umount, swapoff!
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* to services!
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-> they have to do it!
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- dependencies with leading '.' (dot) are ignored.
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- about cinit-configuration structure
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* cconfig
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* svc/
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* special/ (or however we called it)
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- panic
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- halt
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- poweroff
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- reboot
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FAQ
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~~~
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- DOKU: what happens when a service does not terminate....
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und er als once drin ist
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--> Wenn kein ReSPAWN und der Prozess beendet sich nicht,
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dann haengt init!
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- multuicall probleme -> busysbox --> GIBT ES NICHT!!
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---> DOKU DAZU! mit links, doppelt links, aus test
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---> erklaeren, dass es unproblematisch ist!
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csvc:
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11:09 < folken23> telmich: oder service allready started.
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cinit:
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11:09 < folken23> telmich: zsb. eine grund angabe warum ein dienst nicht gestartet
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werden konnte.
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11:09 < folken23> telmich: e.g. file nicht gefunden, service hat nicht 0
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zurueckgeworfen.
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---> errno in execute_sth!
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Child handlin
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~~~~~~~~~~~~~g
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- free() everything before starting child
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Later
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~~~~~
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- close(*>2) before forking / executing
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-> close fds, clean environment, etc., ...
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-> do we really need that?
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-> yep, clean environment!
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- logging service!
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-> write output $somewhere, wait for syslog?
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-> flush at the end of start-process?
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-> perhaps pipe logging output to a program?
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--------------------------------------------------------------------------------
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- Doc
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* main.text -> cleanup / remove / split
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* config-dirs
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* FAQ
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* ideas
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* meta.dependencies
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- config/hints/meta depps
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* optimising
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- integrate into other
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* README.text
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- update
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* replacing.init
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- update / integrate
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* special-services.text
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- into configuring/hints?
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* TODO
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- into paths, if necessary
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* updating.cinit
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- update as soon as update is possible?
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* using.rescue
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- update as soon as update is possible?
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* 'os-integration.text'
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* 'daemons.backgrounding'
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* There are some hints on how to migrate to cinit in general and also
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some os specific help in the file 'migrating-init-systems.text',
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- CODECHECK:
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* what happens with the wants of the last services?
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- are they added?
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- are they added at the correct position?
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- scripts
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* `cinit.check.config` (doc/user/configuring.cinit.text)
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-> circular depedencies!
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- Doc.next:
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- installing: report!
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-> write report script.
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- Doc later
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* current-init-problems.text
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- current-init-problems.text explains why cinit does not use nor recommends the use of shell scripts.
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* special-services.text
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- Begin documentation
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* Check Makefile
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* Integrate Makefile into main Makefile
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* create manpage
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* Write a small manual
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- install
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- configure
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- boot (different OS)
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* generate asciidoc!
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- Doc way:
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* installing
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* configuring
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- testconfig!
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* booting
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- different OS / bootloader
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* debugging
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- Shutdomn code:
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* begin at init, then shutdown wants/needs, ...
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- check that the new wants and need elements are nserted the other way round
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* we go to next, elements must be put before us!
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- replace cinit_ipc_logon with cinit_ipc_init...
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* delay ipc code -> after start!
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- Cleanup / create object lists
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object-lists/
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cinit
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cservice
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ccontrol
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cinit.halt
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cinit.reboot
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cinit.shutdown (shell script?!?)
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TODO.pre9:
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Done:
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- pfad korrigieren (home/..../ -> cinit.release)
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- cg-add nicht aufrufen beim make all!
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ser/nico/oeffentlich/computer/projekte/cinit/cinit-0.3pre8/doc'
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FILE="size/`date +%Y-%m-%d-%H%M%S`"; ls -l src/cinit > $FILE; cat $FILE; \
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cg-add $FILE
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-rwx------ 1 nico nico 72601 2007-04-06 17:52 src/cinit
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There is no GIT repository here (.git not found)
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make: *** [sizecheck] Fehler 1
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- setup VM for testing: qemu/kvm/virtualbox (no commercial bloaty)
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-> uml!
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- sleep when respawnig!
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-> static delay of five seconds
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do_reboot.c:
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is ipc closed? -> check! => done!
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- ignore msgrcv: Interrupted system call
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Session terminated, killing shell...msgq-destroy: Invalid argument
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msgq-destroy: Invalid argument
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- do not print an error if /etc/cinit/conf/last is non-existent!
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=> print it. Do not not print it, as this can aid debugging.
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include locking via shm, remove test on pid1
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=> not necessary imho currently
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TODO.pre10:
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Done:
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cleanup client/ comm/ contrib+tools/ util/ tmp/
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Debugging cinit-configuration:
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ls -lR /etc/cinit
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or: cinit.read....
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TODO.pre11:
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Remove some debugging, re-introduce DEBUG() macro..
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Fix doc:
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make dist should cleanup cc / ld to sane values?
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or do I experiement in tmp/*?
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http://linux.schottelius.org/cinit/browse_source/current/doc/user/config-dirs
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conf/c_halt
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IPC:
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* check msqg-code
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* documentate the ipc functions: update devel/ipc.text
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* check cinit_read_command() (devel/ipc.h)
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do_reboot.c:
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write cinit_svc_shutdown
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- implement do_reboot()
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* so not only booting with cinit works, but also the shutdown
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- write libcinit for use in cmd()
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- find out why gettimeofday() and time() do strange things when called in SIG_CHLD
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=> bug opened in glibc, got to code testprogram
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- write cinit.conf.check
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* report broken links in needs/wants
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* report circular dependencies
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- pretty print, reporting is ugly!
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Add handler for ctrl+alt+delete
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* document in paths
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* check whether there's an os-unspecific way to do that
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cleanup bin/
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- write sys-v-init-shutdown-wrapper
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* shutdown
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* halt
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* reboot
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* poweroff
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- write manpages for
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- *.kill
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- cmd
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install:
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make install => does not overwrite critical targets
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* cinit
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* *.kill (see client/*)
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* cmd
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make force-install => overwrites /sbin/{halt,poweroff,reboot}?
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=> with script that wraps cmd
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make install-template:
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* creates categories
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make install-miniconf:
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* creates categories
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* creates one service starting a shell (depending on the OS!)
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cleanup src/
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finish ipc code so clients can access cinit
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implement CMD_INFO (see comm.h)
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TODO.pre12:
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Check and clean doc/
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Remove *TODO*+ROADMAP and leave behin doc/TODO
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TODO.pre13:
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code cmd=(cservice ccontrol halt reboot shutdown poweroff)
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=> halt/r/... also with kill ...
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Test, release and prepare for final cinit-0.3
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TODO.0.3.1
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add log support
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cinit logs to
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-> shm saver
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services log to
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TODO unclear
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- create migration scripts
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