On Tue, 2003-07-29 at 07:23, Stas Bekman wrote:
That's correct. This is because $r->chdir_file in compat doesn't do anything.
The reason is that under threaded mpm, chdir() affects all threads. Of course we could check whether the mpm is prefork and do things the old way, but that means that the same code won't work the same under threaded and non-threaded mpms. Hence the limbo. Still waiting for Arthur to finish porting safecwd package, which should resolve this problem.
When he does finish it, won't we make the threaded MPM work just like
this? It seems like it would be reasonable to get prefork working
properly, even if the threaded MPM isn't ready yet.
It's a tricky thing. If we do have a complete implementation then it's cool. If not then we have a problem with people testing their code on prefork mpm and then users getting the code malfunctioning on the threaded mpms.
I think we could have a temporary subclass of the registry (e.g.: ModPerl::RegistryPrefork) which will be removed once the issue is resolved. At least it'll remind the developers that their code won't work on the threaded mpm setups. However if they make their code working without relying on chdir then they can use Modperl::Registry and the code will work everywhere.
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