Re: Declaring a pre_config hook in a DSO will cause Apache to seg fault

[rb...@apache.org]

I may be wrong, but when Dean originally wrote the pre-config hook, I
thought he explicitly stated that they weren't to be used for dynamic
modules.

Ryan


On Wed, 9 Feb 2000, Bill Stoddard wrote:

> on the second call to ap_run_pre_config(). DSO's are unloaded by an earlier
> call to ap_clear_pool(pconf) and the pre_config hook pointer (saved in the
> global pool) is no longer valid.
> 
> Solution 1:
>     Declare that pre-config hooks are not to be used in DSOs
> 
> Solution 2:
>     Eliminate pre-config hooks entirely
> 
> Solution 3:
>     Move the pre-config hook call to right after the DSO is loaded and hooks
> registered.
> 
> Solution 4 (two parts):
>     - Register the DSO cleanup/unload with the global pool and not pconf
> (see mod_so.c)
>     - Anchor the list of loaded modules in the global pool, not pconf (see
> "loaded_modules" in mod_so.c)
> 
> I don't like option 1. I like 2 for it's simplicity.  I like 3, but I've not
> thought it through.  Opinions?
> 
> Bill
> 
> 
> ________________________________________________
> Bill Stoddard stoddard@raleigh.ibm.com
> 
> Come to the first official Apache Software Foundation
> Conference!  <http://ApacheCon.Com/>
> 
> 
> 
> 


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_______________________________________________________________________________
Ryan Bloom                        	rbb@ntrnet.net
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