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why std::io uses a ReentrantMutex #2

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philipc opened this issue Sep 7, 2021 · 1 comment
Open

why std::io uses a ReentrantMutex #2

philipc opened this issue Sep 7, 2021 · 1 comment

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@philipc
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philipc commented Sep 7, 2021

From the readme:

Figure out why std::io uses a ReentrantMutex so that we can find out whether we should too. parking_lot has one if needed.

This was added in rust-lang/rust#24029 to allow locking stdout for the whole print!() without risk of deadlocking.
@BartMassey
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Thank you very much!

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@BartMassey @philipc