Re: fully enabling dl() for FPM SAPI

On Tue, 2011-01-18 at 11:00 +0300, Antony Dovgal wrote: > On 01/17/2011 09:19 PM, Johannes Schlüter wrote: > > I think it can be quite dangerous if you have extensions living shorter > > than the PHP process. Not only might dlclose() cause some leaks but > > there are a few extensions playing with function pointers or opcode > > handlers which aren't properly reset so a following request might try to > > jump to invalid memory. > > dlclose()? I can assure you I'm not going to call dlclose() on each request shutdown. > **** > Yes, that means once an extension is loaded it'll stay till the death of this particular > child process). > But it does work here for the last 5 or 6 years this way and this is indeed what I want. > **** > > TBH I'm not even sure dlclose() is called at all since I wasn't able to track > this call down through all the handlers, destructors and so on in 5 min I spent on this.. module_destructor() calls it and expected it to be hit on rshutdown, else has really weird behavior - for some processes an extension would be loaded, for others not which results in non-deterministic behavior for the outside. http://lxr.php.net/opengrok/xref/PHP_5_3/Zend/zend_API.c#2120 johannes