Urgh. On Tue, 26 Oct 2004 15:42:09 -0700 (PDT), Rasmus Lerdorf <[EMAIL PROTECTED]> wrote: > It's a bit tricky. When Apache starts up it does a double-pass of the > conf files in order to do a syntax check. It needs to load all its > modules in order to do this so our libphp4.so gets loaded which in turn > causes us to load all our extensions. Then Apache unloads libphp4.so and > starts over and reloads libphp4.so. Now, in between these two dlopens of > libphp4.so memory usage can change dramatically. For example, if you have > a bunch of mod_rewrite rules in your Apache conf the second time > libphp4.so is loaded it can easily be a page higher in memory. If the > extensions that PHP loaded on the first pass were not unloaded then any > callback addresses in the extensions are going to be off by a page and you > will get some very nasty crashes. > > -Rasmus >
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