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diff --git a/open_issues/nptl.mdwn b/open_issues/nptl.mdwn new file mode 100644 index 00000000..9ff5fb51 --- /dev/null +++ b/open_issues/nptl.mdwn @@ -0,0 +1,37 @@ +[[!meta copyright="Copyright © 2010 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]]."]]"""]] + +[[!tag open_issue_libpthread open_issue_glibc]] + +IRC, #hurd, 2010-07-31 + + <tschwinge> Other question: how difficult is a NPTL port? Futexes and some kernel interfaces for scheduling stuff etc. -- what else? + <youpi> actually NPTL doesn't _require_ futexes + <youpi> it just requires low-level locks + <youpi> Mmm, it seems to be so only in principle + <youpi> I can see futex names here and there in the generic code + <youpi> looks like Drepper isn't disciplined enough in that area either + <tschwinge> (well, why would he...) + <youpi> I'm not sure we really want to port NPTL + <tschwinge> OK. + <youpi> Drepper will keep finding things to add + <youpi> while the interface between glibc and libpthread isn't increasing _so_ much + <tschwinge> ... and even less so the interfavce that actual applications are using. + <tschwinge> We'd need to evaluate which benefits NPTL would bring. + +--- + +# Resources + + * <http://www.akkadia.org/drepper/nptl-design.pdf> + + * <http://nptltracetool.sourceforge.net/> + + * <http://posixtest.sourceforge.net/> |