Re: Google Summer of Code projects for the GNU C Library.

[Thomas Schwinge]

Hi!

On Wed, 19 Feb 2014 19:14:45 -0500, "Carlos O'Donell" <carlos@redhat.com> wrote:
> The GNU Project is participating in GSoC 2014 and have asked
> individual GNU projects to nominate their own GSoC projects
> under their umbrella.
> 
> We have proposed an initial three projects for the GNU C Library
> and you can see them here:
> http://www.gnu.org/software/soc-projects/ideas-2014.html
> 
> At present I'm a mentor for glibc and Joseph Myers is a backup
> mentor. However we expect all participation to happen on libc-alpha
> and libc-help and that the community will assist in teaching
> the students how challenging/rewarding it is to work on system
> libraries.
> 
> If anyone has any more project ideas they think a student can
> work on please suggest them here. Keep in mind that the idea
> has to be simple enough for a student to implement in a very
> limited time.
> 
> We might not propose any more, but any ideas we come up with
> I'll put into a GSoC project page and we can draw from there
> next year instead of scrambling like I did today :-)

I have just added »Implement Missing Interfaces for GNU Hurd«,
<https://sourceware.org/glibc/wiki/GSoC#Implement_Missing_Interfaces_for_GNU_Hurd>:

| == Implement Missing Interfaces for GNU Hurd ==
| 
| In glibc's Linux kernel port, most simple POSIX interfaces are in fact just 
forwarded to (implemented by) Linux kernel system calls.
| In contrast, in the [[http://www.gnu.org/software/hurd/glibc.html|GNU Hurd 
port]], the POSIX (and other) interfaces are actually implemented in glibc on 
top of the [[http://www.gnu.org/software/hurd/hurd/rpc.html|Hurd RPC 
protocols]].
| A few examples:
| 
[[https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mach/hurd/getuid.c|getuid]],
| 
[[https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mach/hurd/open.c|open]],
| 
[[https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mach/hurd/rmdir.c|rmdir]],
| 
[[https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mach/hurd/setresuid.c|setresuid]],
| 
[[https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mach/hurd/socketpair.c|socketpair]].
| 
| When new interfaces are added to glibc (new editions of POSIX and similar 
standards, support for new editions of C/C++ standards, new GNU-specific 
extensions), generally 
[[https://sourceware.org/git/?p=glibc.git;a=blob;f=posix/execve.c|ENOSYS 
stubs]] are added, which are then used as long as there is no real 
implementation, and often these real implementations are only done for the 
Linux kernel port, but not GNU Hurd.
| (This is because most of the contributors are primarily interested in using 
glibc on Linux-based systems.)
| Also, there is quite a backlog of 
[[http://darnassus.sceen.net/~hurd-web/open_issues/glibc/#missing|missing 
implementations]] for GNU Hurd.
| 
| In coordination with the [[mailto:bug-hurd@gnu.org|GNU Hurd developers]], 
you'd work on implementing such missing interfaces.

Please review/edit/amend/polish this (please shout if you need to be
added to <https://sourceware.org/glibc/wiki/EditorGroup>), and then I'll
soon ask José to also include it on
<http://www.gnu.org/software/soc-projects/ideas-2014.html> as well as put
it on/link to it from
<http://www.gnu.org/software/hurd/community/gsoc/project_ideas.html>.


Grüße,
 Thomas

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