Hi,

On 2022-11-30 00:55:42 -0500, Tom Lane wrote:
> Andres Freund <and...@anarazel.de> writes:
> > What libraries is postgres linked against? I don't know whether -z now only
> > affects the "top-level" dependencies of postgres, or also the dependencies 
> > of
> > shared libraries that haven't been built with -z now.  The only dependencies
> > that I could see being relevant are libintl and openssl.
> 
> Hmm.  mamba is using both --enable-nls and --with-openssl, but
> I can't see a reason why the postmaster would be interacting with
> OpenSSL post-startup in test cases that don't use SSL.  Perhaps
> libintl is doing something it shouldn't?

We do call into openssl in postmaster, via RandomCancelKey(). But we should
have signals masked at that point, so it shouldn't matter.


> > You could try if anything changes if you set LD_BIND_NOW, that should 
> > trigger
> > "recursive" dependencies to be loaded eagerly as well.
> 
> Googling LD_BIND_NOW suggests that that's a Linux thing; do you know that
> it should have an effect on NetBSD?

I'm not at all sure it does, but I did see it listed in
https://man.netbsd.org/ld.elf_so.1

     LD_BIND_NOW      If defined immediate binding of Procedure Link Table
                      (PLT) entries is performed instead of the default lazy
                      method.

so I assumed it would do the same as on linux.

Greetings,

Andres Freund


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