A technique I've used in the past is to add a "-playdead" command line switch
to the application. The main() function checks for that switch and enters an
infinite loop before doing anything else. Then from the debugger it's easy to
kick it out of the loop and debug the rest of the startup.
-Nick
On Dec 28, 2012, at 8:50 AM, Jan Kanis <jan.c...@jankanis.nl> wrote:
> I am familiar with that technique, but you only catch the to-be-debugged fish
> instance while it's already sitting in its main loop, I wanted to trace all
> the startup activity as well.
>
> I ended up using a different workaround:
> in one terminal:
> > sh -c 'echo $$; sleep 15; exec fish'
>
> in the other teminal:
> > gdb -p <pid output above>
>
>
>
> On 28 December 2012 02:44, ridiculous_fish <corydo...@ridiculousfish.com>
> wrote:
> Hi Jan,
>
> I'm not sure how to do that in one terminal, but it's straightforward with
> two.
>
> I do this in the shell targeted for debugging:
>
> > echo %self
> 26414
>
> And in another window:
>
> > gdb attach 26414
>
> In case you were't familiar with that technique, hope that helps!
>
> _fish
>
> On Dec 27, 2012, at 8:48 AM, Jan Kanis <jan.c...@jankanis.nl> wrote:
>
>> Hi everyone
>>
>> Does anyone know how to run a shell like fish under gdb and separate gdb's
>> and fish's outputs to two different terminals? I tried following this howto
>> for debugging ncurses programs, but it fails because gdb can't set the
>> second terminal as fish's controlling terminal.
>>
>> Using ubuntu 12.04.
>>
>> Jan
>
>
>
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