Thomas Schwinge, le Thu 10 May 2012 18:09:03 +0800, a écrit : > How did this work before, though?
I'd say it didn't. > Due to __symbol_set_attribute > specifying weak linkage for the static case, I can see why we didn't get > undefined symbol errors when linking for the static case, but what about > the dynamic case? (And that'd mean the whole loop just was a no-op > before, right?) Yes. > Did you find this while working on a specific problem? I don't remember exactly, it's actually an old commit in my tree. > Also, what about data_set_element which is only used in hurd/dtable.c for > _hurd_fork_locks, which is manually run through twice in > sysdeps/mach/hurd/fork.c, but which I can't find start and stop markers > being defined for? data_set_element is something else apparently, but it seems it needs the same treatment indeed (I had only had a look at the hooks). > And, might something like that in fact be responsible for the issue I had > already seen months ago, but have just earlier today finally posted as > <http://www.bddebian.com:8888/~hurd-web/open_issues/fork_deadlock/>? Possibly. > Lastly, _hurd_fork_setup_hook is only defined but never used, it seems. Possibly a leftover or place for future use, I guess. Samuel
