CQ: Retry opening file when flushing buffers to avoid "DELETE PENDING" issues on Windows (backport #14108) #14131
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On Windows the file may be in "DELETE PENDING" state following
its deletion (when the last message was acked). A subsequent
message leads us to writing to that file again but we can't
and get an {error,eacces}. In that case we wait 10ms and retry
up to 3 times.
(cherry picked from commit ff8ecf1)
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This is meant to prevent issues on Windows when recently deleted files are not immediately available for reopening and writing (they are in "DELETE PENDING").
This is a fix for #14094
Pending further testing.
This is an automatic backport of pull request #14108 done by Mergify.