Re: How to use shared memory btw mpm workers in custom module

[nik600 <nik600@xxxxxxxxx>]

i'm using 2.2.x i've implemented a shared memory segment using apr_shm_* functions but i've noticed that if i access to this segment in ap_hook_handler i can see it and operate with it, but in ap_hook_translate_name the pointer to the shm segment is null.

Any idea or suggestion?

Thanks

2014-11-25 21:36 GMT+01:00 Eric Covener <covener@xxxxxxxxx>:

On Tue, Nov 25, 2014 at 2:41 PM, nik600 <nik600@xxxxxxxxx> wrote:
> Hi
>
> I've implemented a custom module to handle some translate hooks.
>
> I'd like to add some stats info so i need some shared memory between all the
> workers.
>
> Can you point me to the right resources/documentation/example about it?
>
> Basically i'd like to increment some counters and then show them if i
> receive a specific request.

If you only need 2.4, you can see how mod_proxy_balancer uses the
services of mod_slotmem. Otherwise, a good reference might be
mod_proxy_balancer in 2.2.x.

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nik600
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