[erlang-questions] Fwd: Report errors when using "-detached" option

Nicolas Niclausse <>
Fri Nov 14 15:08:09 CET 2008


ERLANG ecrivait le 14.11.2008 14:46:
> HI Claes,
> 
>> This is indeed a real problem. If daemon startup fails, you typically
>> want to indicate that through a call to exit(error_code) so that the
>> invoker can check $?
>>
> 
> Hmmm. Calling "exit(error_code)" isn't reported to the invoker.
> So $? always equals to 0.
> 
> Is this an expected behaviour of calling "exit(error_code)" when using  
> "-detached" flag.
> 

 halt(error_code) works.

-- 
Nicolas



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