streams: fix cloned webstreams not being unref'd #51255
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When cloning a `ReadableStream` and `WritableStream`, both use an internal `MessageChannel` to communicate with the original stream. Those, however, previously were not unref'd which would lead to the process not exiting if the stream was not fully consumed. Fixes: nodejs#44985
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Commit Queue failed- Loading data for nodejs/node/pull/51255 ✔ Done loading data for nodejs/node/pull/51255 ----------------------------------- PR info ------------------------------------ Title streams: fix cloned webstreams not being unref'd (#51255) Author James M Snell (@jasnell) Branch jasnell:fixup-webstreams-clone-hang -> nodejs:main Labels baking-for-lts, author ready, web streams Commits 2 - stream: fix cloned webstreams not being unref'd - Update test/parallel/test-whatwg-webstreams-transfer.js Committers 2 - James M Snell - GitHub PR-URL: https://github.com/nodejs/node/pull/51255 Fixes: https://github.com/nodejs/node/issues/44985 Reviewed-By: Matthew Aitken Reviewed-By: Matteo Collina ------------------------------ Generated metadata ------------------------------ PR-URL: https://github.com/nodejs/node/pull/51255 Fixes: https://github.com/nodejs/node/issues/44985 Reviewed-By: Matthew Aitken Reviewed-By: Matteo Collina -------------------------------------------------------------------------------- ℹ This PR was created on Fri, 22 Dec 2023 04:21:41 GMT ✔ Approvals: 2 ✔ - Matthew Aitken (@KhafraDev): https://github.com/nodejs/node/pull/51255#pullrequestreview-1794662152 ✔ - Matteo Collina (@mcollina) (TSC): https://github.com/nodejs/node/pull/51255#pullrequestreview-1795456690 ✔ Last GitHub CI successful ℹ Last Full PR CI on 2023-12-22T08:53:12Z: https://ci.nodejs.org/job/node-test-pull-request/56461/ ⚠ Commits were pushed after the last Full PR CI run: ⚠ - Update test/parallel/test-whatwg-webstreams-transfer.js - Querying data for job/node-test-pull-request/56461/ ✔ Last Jenkins CI successful -------------------------------------------------------------------------------- ✔ Aborted `git node land` session in /home/runner/work/node/node/.ncuhttps://github.com/nodejs/node/actions/runs/7312493372 |
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When cloning a `ReadableStream` and `WritableStream`, both use an internal `MessageChannel` to communicate with the original stream. Those, however, previously were not unref'd which would lead to the process not exiting if the stream was not fully consumed. Fixes: #44985 PR-URL: #51255 Reviewed-By: Matthew Aitken <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Debadree Chatterjee <[email protected]>
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When cloning a
ReadableStreamandWritableStream, both use an internalMessageChannelto communicate with the original stream. Those, however, previously were not unref'd which would lead to the process not exiting if the stream was not fully consumed.Alternative for: #51131
Fixes: #44985
Semver-major because this can change whether a worker thread stays alive solely because of the existence of the cloned streams vs. needing something else to keep it alive (see the modified test in this PR for instance).