Fix a few libnative bugs #12705
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Fix a few libnative bugs #12705
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This function is not threadsafe, and is deprecated in favor of the threadsafe readdir_r variant. Closes rust-lang#12692
Using nanosleep() allows us to gracefully recover from EINTR because on error it fills in the second parameter with the remaining time to sleep. Closes rust-lang#12689
When the timer_helper thread exited, it would attempt to re-acquire the global task count mutex, but the mutex had previously been deallocated, leading to undefined behavior of the mutex, and in some cases deadlock. Another mutex is used to coordinate shutting down the timer helper thread. Closes rust-lang#12699
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I have one more bug fix one the way which will nicely roll into this PR |
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Bugfix added |
When using tasks in Rust, the expectation is that the runtime does not exit before all tasks have exited. This is enforced in libgreen through the `SchedPool` type, and it is enforced in libnative through a `bookkeeping` module and a global count/mutex pair. Unfortunately, this means that a process which originates with libgreen will not wait for spawned native tasks. In order to fix this problem, the bookkeeping module was moved from libnative to libstd so the runtime itself can wait for native tasks to exit. Green tasks do not manage themselves through this bookkeeping module, but native tasks will continue to manage themselves through this module. Closes rust-lang#12684
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Details are in the commit messages, but this closes a few issues seen with `libnative` recently.
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Jul 25, 2022
This change fixes rust-lang#12705. In `FunctionBody::analyze`, we need to search any `ClosureExpr`s we encounter for any `NameRef`s, to ensure they aren't missed.
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…r=DorianListens fix: Extract Function misses locals used in closures This change fixes rust-lang#12705. In `FunctionBody::analyze`, we need to search any `ClosureExpr`s we encounter for any `NameRef`s, to ensure they aren't missed.
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chore: fix some typos in comments *Please write a short comment explaining your change (or "none" for internal only changes)* changelog: none
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Details are in the commit messages, but this closes a few issues seen with
libnativerecently.