[Python-Dev] PEP 446: Open issues/questions

Charles-François Natali cf.natali at gmail.com
Fri Aug 2 08:32:53 CEST 2013


2013/8/2 Victor Stinner <victor.stinner at gmail.com>:
> 2013/7/28 Antoine Pitrou <solipsis at pitrou.net>:
>>> (A) How should we support support where os.set_inheritable() is not
>>> supported? Can we announce that os.set_inheritable() is always
>>> available or not? Does such platform exist?
>>
>> FD_CLOEXEC is POSIX:
>> http://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
>
> Ok, but this information does not help me. Does Python support
> non-POSIX platforms? (Windows has HANDLE_FLAG_INHERIT.)
>
> If we cannot answer to my question, it's safer to leave
> os.get/set_inheritable() optional (need hasattr in tests for example).

On Unix platforms, you should always have FD_CLOEXEC.
If there were such a platform without FD inheritance support, then it
would probably make sense to make it a no-op anyway.

cf


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