[Serdev] RTLD_NOW vs. DL_LAZY in sr_module.c

[Andrei Pelinescu-Onciul]

On Apr 16, 2006 at 05:26, Hendrik Scholz <hscholz at raisdorf.net> wrote:
> Hi!
> 
> I was looking into bug SER-105 and found this snippet in sr_module.c:
> 
> #ifndef RTLD_NOW
> /* for openbsd */
> #define RTLD_NOW DL_LAZY
> #endif
> 
> _NOW and _LAZY are somewhat of a contradiction here.
> Are there any reasons for using the lazy mechanism on OpenBSD?


Yes, netbsds and older openbsds (I think older than 3.9) don't support
RTLD_NOW, so for them we use DL_LAZY.

> SER would bail out on load if _NOW was used which seems to
> be the preferred behaviour.

Yes, but if NOW it's not available we have no choice.

> It also might speed up the first call to the function in live
> traffic since all references are resolved upon SER startup ;-)


Andrei