Hello, This is an inital patch that adds a /hurd/run example to the translator primer web page. I'll try to send future patches with git send-email, if I can configure it correctly.
Thanks, Joshua
From d819a9d335fee4104e7ac68bdf10e92c01c6ecfc Mon Sep 17 00:00:00 2001 From: Joshua Branson <bran...@hotmail.com> Date: Sun, 29 Oct 2017 20:45:13 -0400 Subject: [PATCH] * I added a /hurd/run translator example to the translator primer webpage. * I removed Upstart from the wiki. This is virtually a defunct init system. To: web-hurd@gnu.org --- hurd/documentation/translator_primer.mdwn | 12 +++--- open_issues/Upstart.mdwn | 61 ------------------------------- 2 files changed, 6 insertions(+), 67 deletions(-) delete mode 100644 open_issues/Upstart.mdwn diff --git a/hurd/documentation/translator_primer.mdwn b/hurd/documentation/translator_primer.mdwn index 2e49f9fe..aec134a6 100644 --- a/hurd/documentation/translator_primer.mdwn +++ b/hurd/documentation/translator_primer.mdwn @@ -52,12 +52,12 @@ Having done that, verify that now the file is empty again. The run translator returns the result of running a program. When mounted on a filesystem node, reading from that file would return the result of executing the program. When combined with the fortune program you can create a file that will give you a different fortune every time you access it. -$ sudo apt-get install fortune -$ settrans -c ~/.signature /hurd/run /usr/games/fortune -$ cat ~/.signature - Your lucky number has been disconnected. -$ cat ~/.signature - Don't look now, but there is a multi-legged creature on your shoulder. + $ sudo apt-get install fortune + $ settrans -c ~/.signature /hurd/run /usr/games/fortune + $ cat ~/.signature + Your lucky number has been disconnected. + $ cat ~/.signature + Don't look now, but there is a multi-legged creature on your shoulder. ### Transparent FTP diff --git a/open_issues/Upstart.mdwn b/open_issues/Upstart.mdwn deleted file mode 100644 index c8a8347d..00000000 --- a/open_issues/Upstart.mdwn +++ /dev/null @@ -1,61 +0,0 @@ -[[!meta copyright="Copyright © 2013, 2014 Free Software Foundation, Inc."]] - -[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable -id="license" text="Permission is granted to copy, distribute and/or modify this -document under the terms of the GNU Free Documentation License, Version 1.2 or -any later version published by the Free Software Foundation; with no Invariant -Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license -is included in the section entitled [[GNU Free Documentation -License|/fdl]]."]]"""]] - -Upstart is an event based init system that is GPL licensed, however upstream -contributions are under a CLA that permits proprietary relicensing. - -As of Jan 2 2013, Debian is considering adopting Upstart as an init system on -GNU/Linux, and on GNU/kFreeBSD when the port to kFreeBSD is finished. - -The following are the words of Colin Watson on the debian-c...@lists.debian.org -mailing list and list the requirements of a potential HURD port: - ->I haven't looked at this in much detail, and I suspect Dimitri hasn't -yet although IIRC he did express some interest in doing so. But I -haven't seen anyone else try to outline the scope of a port, so let me -try to do so for the sake of general understanding. As far as I know, -the hardest parts would be inotify, ptrace, and prctl -(PR_SET_CHILD_SUBREAPER). - ->inotify is used to notice changes to configuration files. This is -certainly helpful for users, but it isn't critical as "initctl -reload-configuration" works without it. We could probably do without -this with the aid of a dpkg trigger. - ->ptrace is used for "expect fork" and "expect daemon"; as I indicated in -another post, I think it would be preferable to avoid these in Debian -and quite possibly to compile them out. (This would mean we wouldn't be -able to translate Ubuntu jobs quite as directly, and a number of -important jobs would definitely need to be changed, but the conversion -isn't usually particularly difficult.) - ->prctl (PR_SET_CHILD_SUBREAPER) is used to make SIGCHLD notification work -properly when Upstart is supervising a user session. This isn't a -required feature and could easily be compiled out until suitable kernel -support is available (this actually seems like the sort of thing that -could be done in the Hurd without too much difficulty, but I haven't -looked into it). If absent, it might well impede the ability to do an -advanced desktop port, but it wouldn't get in the way of porting the -bulk of services. - ->There might also be odds and ends around the details of wait status -handling. - -inotify seems to be a feature that is often used in GNU/Linux programs, and -implementing the feature in the HURD seems like a better and more rewarding -option than porting the code in Upstart. - -Although many daemons double fork, that behavior seems to be dying out, and -one can comfortably ignore the "expect fork/daemon" functionality of Upstart -(and compile it out). - -[[!tag open_issue_porting]] - -See also the discussion about upstart on the [[systemd]] page. -- 2.12.2
