Re: [Sqlrelay-discussion] Dead children (zombies and sem undo)

[David M. <dav...@fi...>]

Yeah, that is tricky.  Let's wait and do something like that for the 
next release.

On 06/29/2011 01:55 PM, Renat Sabitov wrote:
> On 29.06.2011 21:25, David Muse wrote:
>> Renat,
>>
>> This will definitely improve things, but maybe we should just make 
>> the scaler call reapChildren when it receives a SIGCHLD.  Can you 
>> think of any reason why we shouldn't do that?
>
> The problem is with signal handler rules. It could set only one type 
> of static variable - sig_atomic_t. So I think it is possible to count 
> reaped children in signal handler in variable n_reaped and then (since 
> semset->wait(6) would exit and set EINTR) in the main code block 
> SIGCHLD, change shm and set n_reaped to 0 . A little bit tricky, but 
> should work.
>
>
> ------------------------------------------------------------------------------
> All of the data generated in your IT infrastructure is seriously valuable.
> Why? It contains a definitive record of application performance, security
> threats, fraudulent activity, and more. Splunk takes this data and makes
> sense of it. IT sense. And common sense.
> http://p.sf.net/sfu/splunk-d2d-c2
>
> _______________________________________________________
> Unlimited Disk, Data Transfer, PHP/MySQL Domain Hosting
>                http://www.doteasy.com
>
>
> _______________________________________________
> Sqlrelay-discussion mailing list
> Sql...@li...
> https://lists.sourceforge.net/lists/listinfo/sqlrelay-discussion
>
>
> _______________________________________________________
> Unlimited Disk, Data Transfer, PHP/MySQL Domain Hosting
>                http://www.doteasy.com



_______________________________________________________
Unlimited Disk, Data Transfer, PHP/MySQL Domain Hosting
              http://www.doteasy.com