force coredump from child created by subprocess

[David Sveningsson]

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On 10/05/2010 02:37 PM, Christian Heimes wrote:
> Am 05.10.2010 14:15, schrieb David Sveningsson:
>> Hi, I am running a process using subprocess and detect if the process
>> crashes using .returncode. I would like to force coredumps being created
>> regardless of the system settings, eg run "ulimit -c unlimited" in the
>> childprocess.
>>
>> I've had no luck using preexec_fn and os.system, it just made no
>> difference. I could probably add a thin wrapper script but I'm not very
>> fond of that idea.
>>
>> Is there some easy way to force the childprocess to create a coredump if
>> it crashes?
> 
> This code snippet enables core dumps for the current Python process. It
> should also enable it for child processes.
> 
> import resource
> resource.setrlimit(resource.RLIMIT_CORE, (-1, -1))
> 
> Christian
> 

Thanks, it works perfect if I run in in preexec_fn.

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