Replace ReentrantMutex by a futex-based one on Linux. - #95727

Merged

bors merged 9 commits into

rust-lang:masterfrom

m-ou-se:futex-reentrantmutex

Apr 13, 2022

Commits on Apr 12, 2022

Add current_thread_unique_ptr() in std::sys_common.
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c62c8cb
Add futex-based ReentrantMutex on Linux.
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bd61bec
Make current_thread_unique_ptr work during thread destruction.
m-ou-se
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ebebe6f
Move current_thread_unique_ptr to the only module that uses it.
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319a9b0
Initialize thread local with const{}.
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43651aa
Add debug asserts to futex ReentrantMutex impl.
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83e8b9e
Add #[deny(unsafe_op_in_unsafe_fn)] to thread_local!(const).
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5b25912
Allow cvt_nz to be unused on some platforms.
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8a2c9a9
Add missing unsafe marker.
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d4e44a6