As far as I know, ngx_pool_t are created on process memory area,
so, after a reload the new process has a new memory area and do not have
access to the old.
You can recompile the regex on your module startup, at init worker hook.



On Wed, May 7, 2014 at 6:16 AM, MAGNIEN, Thierry <thierry.magnien@sfr.com>wrote:

> Hi,
>
> I wrote a Nginx module and am facing a problem: I need to keep some data
> across reloads, so I'm using a shared memory segment and everything works
> fine except one thing.
>
> In the data structure I keep, there are ngx_regex_compile_t data, which
> were allocated on a ngx_pool_t. And what I see is that all the data are
> kept, except regex code, which was allocated on this ngx_pool_t.
>
> Are pools resetted on a reload and is there a way:
> - either to allocate regex codes on something else than a pool
> - or use a pool that would not be resetted ?
>
> Thanks for your help,
> Thierry
>
>
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