Re: [mh] Is this the expected behaviour of process_item?

Giles,

When you say "I'll build a queue" do you mean for your project or adding 
it onto process_items?  As long as it was backwards compatible with the 
existing behavior of a process_item, it would be nice to add that onto 
the process_item so there is a standard way for anyone to push items 
onto a process_item queue instead of everyone implementing it their own way.

Jeff


On 2021-02-18 11:47 a.m., Giles Godart-Brown wrote:
>
> Thanks H
>
> I'll build a queue and update the docs over the weekend
>
> Giles
>
> On 18/02/2021 14:24, H Plato wrote:
>> As far as I know that’s how it works, the process_item has a single 
>> thread. You can check if the process_item is still active by 
>> calling$p_longproc->done(), and then queuing the additional commands 
>> to an array. That’s how I’ve dealt with this in some of my modules
>>
>>> On Feb 18, 2021, at 1:22 AM, Giles Godart-Brown 
>>> <[email protected] <mailto:[email protected]>> wrote:
>>>
>>> I use process_items to send messages and urls, occasionally (usually 
>>> when I write bad code) I need to send a lot of emails in quick 
>>> succession but MisterHouse kills any unfinished ones, rather than 
>>> running them in parallel which is what I expected. To test this I 
>>> built a minimum reproducible case below where it launches a process 
>>> that simply sleeps for 5 seconds twice in succession. As you can see 
>>> from the print log, he first one gets killed.
>>>
>>> Is this normal?
>>>
>>> Giles
>>>
>>> <mytest.pl>
>>>
>>> print_log( "Longproc run 1", "INFORMATIONAL", "p_longproc" );
>>> start $p_longproc;
>>> print_log( "Longproc run 2", "INFORMATIONAL", "p_longproc" );
>>> start $p_longproc;
>>> </mytest.pl>
>>>
>>> <longproc.sh>
>>>
>>> #!/bin/sh
>>> # shell to sleep
>>> echo longproc start 5 second sleep pid= $$
>>> sleep 5
>>> echo "longproc end"
>>> exit 0
>>> </longproc.sh>
>>>
>>> <print.log>
>>>
>>> 18/02/2021 08:10:27 [p_longproc] INFO Longproc run 1
>>> 18/02/2021 08:10:27 [p_longproc] INFO Longproc run 2
>>> Warning, a previous 'start' on this process has not finished yet
>>> Killing unfinished process id 9380 
>>> cmd=//home/pi/mh/GGBcode/procs/longproc.sh
>>>
>>> ...
>>>
>>> 18/02/2021 08:10:33 [p_longproc] longproc start 5 second sleep pid= 9381
>>> 18/02/2021 08:10:33 [p_longproc] longproc end
>>>
>>> </print.log>
>>>
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