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Mon Apr 17 20:50:32 CEST 2006 · https://mail.python.org/pipermail/python-dev/2006-April/063806.html

Ronald Oussoren wrote:
> AFAIK readdir is only unsafe when multiple threads use the same DIR* at
> the same time. The spec[1] seems to agree with me.
> [1] : http://www.opengroup.org/onlinepubs/009695399/functions/readdir.html

What specific sentence makes you think so? I see

"The readdir() interface need not be reentrant."

which seems to allow for an implementation that returns a static
struct dirent.

Of course, the most natural implementation associates the storage
for the result with the DIR*, so it's probably not a real problem...

Regards,
Martin

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[Python-Dev] Py_BEGIN_ALLOW_THREADS around readdir()?