kmc-solid: Fix wait queue manipulation errors in the Condvar implementation
#93843
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…askrgr Rollup of 7 pull requests Successful merges: - rust-lang#92670 (add kernel target for RustyHermit) - rust-lang#93756 (Support custom options for LLVM build) - rust-lang#93802 (fix oversight in the `min_const_generics` checks) - rust-lang#93808 (Remove first headings indent) - rust-lang#93824 (Stabilize cfg_target_has_atomic) - rust-lang#93830 (Refactor sidebar printing code) - rust-lang#93843 (kmc-solid: Fix wait queue manipulation errors in the `Condvar` implementation) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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This PR fixes a number of bugs in the
Condvarwait queue implementation used by the*-kmc-solid_*Tier 3 targets. These bugs can occur when there are multiple threads waiting on the sameCondvarand sometimes manifest as anunwrapfailure.