Mladen Turk wrote: > Branko Čibej wrote: >> Graham Leggett wrote: >>> Branko Čibej wrote: >>> >>>> Oh, certainly. Except that sometimes the "just" is a pretty big one. I >>>> remember once ... well, to make a long story short, control over pool >>>> lifetime wasn't, and we ended up jumping through several Klein bottles >>>> to get there. >>> Unless I am not following something, you control the pool lifetime. >> >> Not if you have no control of pool cleanup order, which is exactly what >> happens when you try to allocate long-lived structure in a DSO; the way >> we do pool cleanup guarantees that the DSO gets unloaded before any >> global pools are cleaned up. >> >> You could say that the answer is "don't do that", but sometimes there's >> no other option. >> > > There is a new apr_poll_pre_cleanup_register API, meant to > be used exactly for that. It ensures that cleanup will run > before subpools gets destroyed. *Now* there is. Might be enough for the case I mentioned, dunno -- frankly I haven't looked it in a while. (Not that it would help SVN 1.x, but that's irrelevant).