[bug #67498] Error when using save -binary

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Follow-up Comment #26, bug #67498 (group octave):

If I understand correctly "Resource device" is the error message corresponding
to EBUSY. That probably means that the change for bug #67729 helped only
"accidentally".

The real issue is more likely that the file is still locked (by an anti-virus,
indexer, ...) and can't be renamed at all. The atomicity probably wasn't an
issue at all.

I'm able to reproduce the error with the following:

n = 1e3;
x = rand(n, n);
for i=1:10000, save -binary xx.bin x; end


When it fails, `i` is typically between 1000 and 2000 for me.

With the attached patch, I'm no longer able to reproduce the issue here.

I wonder if we'd also need something similar for other operating systems. I
can imagine that a similar error could occur when saving, e.g., to a network
share or somewhere else with higher latency.

(file #58216)

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Name: bug67498-rename-retry.patch    Size: 3.3KiB

<https://file.savannah.gnu.org/file/bug67498-rename-retry.patch?file_id=58216>


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