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Date: Fri, 01 Mar 2013 14:17:37 -0500
From: Dave Angel <davea@davea.name>
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To: python-list@python.org
Subject: Re: Speeding up Python's exit
References: <512f8aa9$0$30001$c3e8da3$5496439d@news.astraweb.com> <kgovio$9h5$1@reader1.panix.com> <loom.20130301T200907-56@post.gmane.org>
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On 03/01/2013 02:10 PM, Antoine Pitrou wrote:
> Grant Edwards <invalid <at> invalid.invalid> writes:
>>  <snip>
>> All open files (including sockets, pipes, serial ports, etc) will be
>> flushed (from an OS standpoint) and closed.
>
> According to POSIX, no, open files will not be flushed:
>
> “The _Exit() and _exit() functions shall not call functions registered with
> atexit() nor any registered signal handlers. Open streams shall not be flushed.
> Whether open streams are closed (without flushing) is implementation-defined.”
>

Note he didn't say the python buffers would be flushed.  It's the OS 
buffers that are flushed.


-- 
DaveA