Torsten Foertsch wrote: > Hi, > > is it valid to say that modperl_interp_pool_select is called only at request > time and hence the passed pool is allways the request pool?
In the general case, yes. There is however one instance where it is also called
to acquire an interpreter at config merging time.
> I have run the test suite and in the few occasions this function is called it
> is the request pool. But that does not mean that it allways is.
A quick look at src/modules/perl/modperl_module.c:
152 /*
153 * XXX: vhosts may have different parent interpreters.
154 */
155 static void *modperl_module_config_merge(apr_pool_t *p,
156 void *basev, void *addv,
157 int type)
[...]
185 #ifdef USE_ITHREADS
186 interp = modperl_interp_pool_select(p, s);
187 MP_PERL_CONTEXT_STORE_OVERRIDE(interp->perl);
188 #endif
And in the case of server configuration merging (happens at startup),
there would be no request, and no request pool.
It goes something like this:
790 const char *modperl_module_add(apr_pool_t *p, server_rec *s,
791 const char *name, SV *mod_cmds)
792 {
[...]
816 modp->create_dir_config = modperl_module_config_dir_create;
817 modp->merge_dir_config = modperl_module_config_dir_merge;
818 modp->create_server_config = modperl_module_config_srv_create;
819 modp->merge_server_config = modperl_module_config_srv_merge;
Which is how we get our configuration merging callbacks registered
with httpd.
Also, Perl modules can register their own configuration merging:
xs/Apache2/Module/Apache2__Module.h:
78 static MP_INLINE void mpxs_Apache2__Module_add(pTHX_
79 char *package,
80 SV *cmds)
81 {
[...]
89 s = modperl_global_get_server_rec();
90 error = modperl_module_add(s->process->pconf, s, package, cmds);
In any case, I am not sure what pool that ends up being, but it's probably
pconf.
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