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Auto merge of #125942 - timokroeger:windows-once-futex, r=joboet
Windows: Use futex implementation for `Once` Keep the queue implementation for win7. Inspired by PR #121956 <!-- If this PR is related to an unstable feature or an otherwise tracked effort, please link to the relevant tracking issue here. If you don't know of a related tracking issue or there are none, feel free to ignore this. This PR will get automatically assigned to a reviewer. In case you would like a specific user to review your work, you can assign it to them by using r​? <reviewer name> -->
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  • library/std/src/sys/sync/once

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‎library/std/src/sys/sync/once/mod.rs

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cfg_if::cfg_if! {
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if #[cfg(any(
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all(target_os = "windows", not(target_vendor="win7")),
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target_os = "linux",
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target_os = "android",
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all(target_arch = "wasm32", target_feature = "atomics"),

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