[clug] Launch gnome-terminal to launch daemon process

[Hal Ashburner]

On 25 August 2015 at 12:22, Hal Ashburner <hal at ashburner.info> wrote
(and was blocked by the list):
> Can try that... Although I'm not sure what the illness is that this
> medicine might cure.
>
> Why doesn't a regular double fork work?
> Why doesn't disowning the process work?
> What on earth is going on? Does gnome-terminal somehow break unix?
>
> On 25 August 2015 at 12:02, Andrew Janke <a.janke at gmail.com> wrote:
>> Sounds like a use case of screen to me, or dirty tricks with at:
>>
>>    /usr/bin/python /opt/ark/bin/hgview | at now
>>
>>
>>
>> a
>>
>> On 25 August 2015 at 11:34, Hal Ashburner <hal.ashburner at gmail.com> wrote:
>>> Here's the setup.
>>> I've got some python scripts that runs some gui stuff.
>>> I want to write a bash script that a user can double click on, have it
>>> launch a terminal that that then launches the python scripts with some
>>> useful text about each launch in case something goes wrong.
>>> I want the python scripts to keep executing when that initial launched
>>> terminal is closed.
>>>
>>> I can't seem to do anything to get what I'm running to outlive the terminal.
>>>
>>> I'm /think/ I'm double forking inside the terminal, I'm also trying to
>>> put the process  in the background and disowning everything. I try
>>> disowning the python as well.
>>>
>>> I've tried every combination of these I can think of and I just can't
>>> get the python to outlive the terminal.
>>>
>>>
>>> Relevant launching script
>>>
>>> cmd=$HOME/bin/some_command
>>>
>>> # if st't to avoid a fork bomb if we mess it up
>>> if [[ $cmd != ${BASH_SOURCE[0]} ]]; then
>>>     gnome-terminal --geometry=80x8+0+0 --sm-client-disable
>>> --title="$cmd" --command "bash -c \"echo running $cmd; bash $cmd \&;
>>> disown -a; echo done; sleep 36000\""
>>> fi
>>>
>>> a simple version of some_command looks like:
>>>
>>> #!/bin/bash
>>>
>>> /usr/bin/python /opt/ark/bin/hgview &
>>>
>>> disown -a
>>>
>>>
>>> Any ideas?
>>>
>>> --
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