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rust-lang / rust Public

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Replace Linux Mutex and Condvar with futex based ones.#95035

Merged

bors merged 14 commits intorust-lang:masterrust-lang/rust:masterfrom

m-ou-se:futex-locks-on-linuxm-ou-se/rust:futex-locks-on-linuxCopy head branch name to clipboard

Apr 5, 2022

Conversation Commits14 (14)Checks Files changed

Merged

Replace Linux Mutex and Condvar with futex based ones.#95035
bors merged 14 commits intorust-lang:masterfrom
m-ou-se:futex-locks-on-linux

Commits

Commits on Mar 23, 2022

Return timeout status in futex_wait.
m-ou-se
committed
Add futex_wake_all.
m-ou-se
committed
Replace Linux Mutex and Condvar with futex based ones.
m-ou-se
committed
Update tests.
m-ou-se
committed
Spin before blocking in Mutex::lock.
m-ou-se
committed

Commits on Mar 24, 2022

Use FUTEX_WAIT_BITSET rather than FUTEX_WAIT on Linux.
m-ou-se
committed
Make Timespec available in sys::unix.
m-ou-se
committed
Explicitly use CLOCK_MONOTONIC in futex_wait.
m-ou-se
committed

Commits on Apr 1, 2022

Add comment about futex_wait timeout.
m-ou-se
committed
Shuffle around #[inline] and #[cold] in mutex impl.
m-ou-se
committed
Don't spin on contended mutexes.
m-ou-se
committed
Use MaybeUninit for clock_gettime's timespec.
m-ou-se
committed

Commits on Apr 5, 2022

Mark unix::locks::futex::Mutex::new as #[inline].
m-ou-se
committed
Reword comment in futex condvar implementation.
m-ou-se
committed

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