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author | https://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web> | 2015-02-16 20:08:03 +0100 |
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committer | GNU Hurd web pages engine <web-hurd@gnu.org> | 2015-02-16 20:08:03 +0100 |
commit | 95878586ec7611791f4001a4ee17abf943fae3c1 (patch) | |
tree | 847cf658ab3c3208a296202194b16a6550b243cf /open_issues/versioning.mdwn | |
parent | 8063426bf7848411b0ef3626d57be8cb4826715e (diff) | |
download | web-95878586ec7611791f4001a4ee17abf943fae3c1.tar.gz web-95878586ec7611791f4001a4ee17abf943fae3c1.tar.bz2 web-95878586ec7611791f4001a4ee17abf943fae3c1.zip |
rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn
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-rw-r--r-- | open_issues/versioning.mdwn | 109 |
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diff --git a/open_issues/versioning.mdwn b/open_issues/versioning.mdwn deleted file mode 100644 index 18fb588e..00000000 --- a/open_issues/versioning.mdwn +++ /dev/null @@ -1,109 +0,0 @@ -[[!meta copyright="Copyright © 2012, 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]]."]]"""]] - -Things to consider regarding *versioning*. - -The provider and user of any interface need to agree about how to interpret the -data being exchanged. Internal-only interfaces can be changed easily, because -you can change the provider and user at the same time. Interfaces that are -exposed externally require more attention, for obvious reasons. To *change* -interfaces means to either remove, or add, or modify an existing interface. -Modify basically means to remove and then re-add a variant, re-using the former -name/identifier. - -[[!toc]] - - -# [[RPC]]s - -## [[microkernel/mach/message/msgh_id]] - - -# Shared Libraries - - * [[!wikipedia soname]] - * ELF symbol versioning - * [[!wikipedia "GNU Libtool"]] - - -## Hurd - -Transition to "normal" ELF symbol versioning/libtool? - -For all libraries, the SONAME is currently set to *0.3*. [[!message-id -desc="Not changed" "87ob7cxbu6.fsf@kepler.schwinge.homeip.net"]] when doing the -[[Hurd 0.5 release|news/2013-09-27]]. - - -## glibc - -Bump the glibc SONAME to some point, or can do everything with symbol -versioning? - -There are some comments in the sources, for example `hurd/geteuids.c`: `XXX -Remove this alias when we bump the libc soname.` - - -### IRC, freenode, #hurd, 2012-12-14 - -[[!tag open_issue_glibc open_issue_libpthread]] - -In context of [[packaging_libpthread]]/[[libpthread]]. - - <pinotree> once libc is switched internally from cthreads to pthreads (thus - breaking its BC), may be worth cleanup the hurd-specific exported symbols - <tschwinge> pinotree: Yes. If you already have ideas about what to clean - up, feel free to add a new page or a section on open_issues/glibc. - <pochu> we're gonna break backwards compatibility in glibc on hurd? that - could be the perfect moment to fix the /dev/fd/N problem without adding - new RPCs, though we'd probably have to break backwards-compatibility in - the exec server IIRC... - -[[glibc#execve_relative_paths]]. - - -### `time_t` -- Unix Epoch vs. 2038 - -#### IRC, freenode, #hurd, 2013-12-12 - - <azeem> because it gets discussed in #debian-devel for the Linux i386 - architecture right now: what's the deal with hurd-i386 and the 32bit - epoch overflow in 2038? - <braunr> what do you mean ? - <azeem> braunr: http://lwn.net/Articles/563285/ - <braunr> ok but what do you mean ? - <braunr> i don't think there is anything special with the hurd about that - <azeem> well, time_t is 64bit on amd64 AIUI - <braunr> it's a signed long - <azeem> so maybe the Hurd guys were clever from the start - <azeem> k, k - <braunr> our big advantage is that we can afford to break things a little - without too much trouble - <braunr> in a system at work, we use unsigned 32-bit words - <braunr> which overflows in 2106 - <braunr> and we already include funny comments that predict our successors, - if any, will probably fail to deal with the problem until short before - the overflow :> - <azeem> luckily, no nuclear reactors are running the Hurd sofar - <braunr> i wonder how the problem will be dealt with though - <braunr> ah, openbsd decided to break their abi - <azeem> yeah - <braunr> that's probably the simplest solution - <azeem> "just recompile" - <braunr> and they can afford it too - <azeem> yeah - <braunr> good to see people actually worry about it - <azeem> I guess people are getting worried about where Linux embedded is - being put into - <braunr> they're right about that - <azeem> "Please, don't fix the 2038 year issue. I also want to have some - job security :)" - <braunr> haha |