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Component model threading intrinsic updates #1519

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alexcrichton merged 2 commits intobytecodealliance:mainfrom
TartanLlama:sy/component-model-threading-v2
Feb 10, 2026
Merged

Component model threading intrinsic updates #1519
alexcrichton merged 2 commits intobytecodealliance:mainfrom
TartanLlama:sy/component-model-threading-v2

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@TartanLlama
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A draft PR for upcoming proposed changes to the component model threading intrinsics to support the wasi-libc pthreads implementation.

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Thanks! This'll probably end up with landing the wasm-tools update first (eventually) followed by the changes here, but looks reasonable regardless.

@TartanLlama TartanLlama force-pushed the sy/component-model-threading-v2 branch from 1b9fc6d to df4ce6e Compare February 9, 2026 11:59
@alexcrichton alexcrichton marked this pull request as ready for review February 10, 2026 19:59
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After the update to wasm-tools 245 CI is failing predictably due to the threading-builtins test using now-outdated names of intrinsics to import. It's still failing with this PR, but that's because Wasmtime hasn't updated to implement the new intrinsics. That's all as-expected to me, and the async tests are allowed to fail in CI, so I'm going to go ahead and merge this.

Thanks again @TartanLlama!

@alexcrichton alexcrichton added this pull request to the merge queue Feb 10, 2026
Merged via the queue into bytecodealliance:main with commit e4dc22b Feb 10, 2026
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