[M3devel] rmrec problems

[Jay K]

Better theory: readdir uses globals. Suggest readdir_r...

 - Jay
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> From: jay.krell at cornell.edu
> To: wagner at elegosoft.com; m3devel at elegosoft.com
> Subject: rmrec problems
> Date: Fri, 30 Jul 2010 13:20:40 +0000
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> Olaf, I suggest that maybe deleting while enumerating is undefined?
> We should try enumerating first, and then deleting, at least on a per-directory basis, not recursively.
>   Even though that is bad in terms of working set -- small constant to unbounded.
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> As well, recursion on the machine stack that is bounded by user input, is to be avoided.
> User can provide arbitrarily deep input and you blow the stack.
> Better to use a queue or stack data structure, add elements, and loop while not empty.
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> I can try something here within a week, we can see if it helps.
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> Stopgap might be to double up the rmrec calls and see what happens.
> Maybe delete while enumerate works under some conditions.
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> Maybe I'm just randomly guessing (yes) and am way off (unknown).
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>  - Jay
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