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Thu Jan 15 18:00:59 CET 2009 · https://mail.python.org/pipermail/python-dev/2009-January/085077.html

On Thu, Jan 15, 2009 at 4:19 PM, Kristján Valur Jónsson
<kristjan at ccpgames.com> wrote:
> Well, all the other functions raise OSError when the file descriptor is invalid.  IOError usually means that the IO itself failed.
> I wonder if it is platform specific?  Does it raise IOError on all platforms?

It certainly looks like it:  here are lines 6632--6638 of
posixmodule.c, in posix_ftruncate:

	Py_BEGIN_ALLOW_THREADS
	res = ftruncate(fd, length);
	Py_END_ALLOW_THREADS
	if (res < 0) {
		PyErr_SetFromErrno(PyExc_IOError);
		return NULL;
	}

Mark

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Showing content from https://mail.python.org/pipermail/python-dev/2009-January/085077.html below:

[Python-Dev] [Python-checkins] r68547 - in python/trunk/Lib/test: test_datetime.py test_os.py