update WASI fs abstraction to open files on each rw #448
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We can always add an optimization here, having an My intuition is that the solution as is has an unacceptable performance impact |
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closing in favor of #449 |
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May 15, 2019
449: avoid opening files when not needed in WASI, check for write permissions r=MarkMcCaskey a=MarkMcCaskey resolves #438 Follow up to #448. Turns out we don't have to complect things in that way, we can just be more conservative about opening files and granting write permissions Co-authored-by: Mark McCaskey <mark@wasmer.io>
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resolves #438
It's unclear whether this change is a good idea or not.
I'll have to look in to it some more. Additionally, this PR could break existing code, we should test it