src: improve thread safety of `TaskQueue` by codebytere · Pull Request #57910 · nodejs/node

codebytere · 2025-04-17T12:47:23Z

Improve thread safety of TaskQueue by making locking of TaskQueue explicit and thus hopefully preventing a crash due to uv_async_send being called with nullptr.

codecov · 2025-04-17T13:40:02Z

Codecov Report

Attention: Patch coverage is 97.56098% with 2 lines in your changes missing coverage. Please review.

Project coverage is 90.26%. Comparing base (5077ea4) to head (d71a542).
Report is 425 commits behind head on main.

Files with missing lines	Patch %	Lines
src/node_platform.cc	97.53%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@ Coverage Diff @@## main #57910 +/- ##
========================================
Coverage 90.25% 90.26% ========================================
Files 630 630 Lines 185691 186170 +479 Branches 36407 36480 +73 ========================================
+ Hits 167589 168039 +450 + Misses 10994 10975 -19 - Partials 7108 7156 +48

Files with missing lines	Coverage Δ
src/node_platform.h	`80.00% <100.00%> (+5.00%)`	⬆️
src/node_platform.cc	`88.70% <97.53%> (+0.83%)`	⬆️

... and 65 files with indirect coverage changes

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mcollina · 2025-04-18T07:39:42Z

@codebytere I wonder if this could also help with #54918.

bnoordhuis

LGTM with some suggestions.

mcollina

RSLGTM

nodejs-github-bot · 2025-04-19T13:54:06Z

CI: https://ci.nodejs.org/job/node-test-pull-request/66364/

lpinca · 2025-04-19T14:42:35Z

@codebytere I wonder if this could also help with #54918

I applied this patch and unfortunately it does not.

mcollina · 2025-04-19T15:00:27Z

Thanks for checking!

nodejs-github-bot · 2025-04-21T07:44:08Z

CI: https://ci.nodejs.org/job/node-test-pull-request/66399/

joyeecheung

LGTM (as in, my tiny head can't find potential issues out of the new locks), though I think it can use a bit more comments (I am fairly certain that the race can only happen at shutdown, the platform is initialized too early for any tasks to be posted during that process)

PR-URL: #57910 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

nodejs/node#57910

* chore: bump node in DEPS to v22.16.0 * crypto: remove BoringSSL dh-primes addition nodejs/node#57023 * tools: enable linter in test/fixtures/test\-runner/output nodejs/node#57698 * src: improve thread safety of TaskQueue nodejs/node#57910 * buffer: define global v8::CFunction objects as const nodejs/node#57676 * src: disable abseil deadlock detection nodejs/node#57582 * zlib: fix pointer alignment nodejs/node#57727 * chore: fixup patch indices * src: set default config as node.config.json nodejs/node#57171 * src: update std::vector<v8::Local<T>> to use v8::LocalVector<T> nodejs/node#57578 * test: disable chmod tests failing in Docker nodejs/node#58326 --------- Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com> Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

nodejs/node#57910

* chore: bump node in DEPS to v22.16.0 * crypto: remove BoringSSL dh-primes addition nodejs/node#57023 * tools: enable linter in test/fixtures/test\-runner/output nodejs/node#57698 * src: improve thread safety of TaskQueue nodejs/node#57910 * buffer: define global v8::CFunction objects as const nodejs/node#57676 * src: disable abseil deadlock detection nodejs/node#57582 * zlib: fix pointer alignment nodejs/node#57727 * chore: fixup patch indices * src: set default config as node.config.json nodejs/node#57171 * src: update std::vector<v8::Local<T>> to use v8::LocalVector<T> nodejs/node#57578 * test: disable chmod tests failing in Docker nodejs/node#58326 --------- Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com> Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

marco-ippolito · 2025-06-05T09:17:16Z

This commit requires a manual backport to land on v20.x

nodejs/node#57910

* chore: bump node in DEPS to v22.16.0 * crypto: remove BoringSSL dh-primes addition nodejs/node#57023 * tools: enable linter in test/fixtures/test\-runner/output nodejs/node#57698 * src: improve thread safety of TaskQueue nodejs/node#57910 * buffer: define global v8::CFunction objects as const nodejs/node#57676 * zlib: fix pointer alignment nodejs/node#57727 * chore: fixup patch indices * src: set default config as node.config.json nodejs/node#57171 * src: update std::vector<v8::Local<T>> to use v8::LocalVector<T> nodejs/node#57578 * test: disable chmod tests failing in Docker nodejs/node#58326 * chore: fix out of date patch --------- Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com> Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

* chore: bump node in DEPS to v22.16.0 * crypto: remove BoringSSL dh-primes addition nodejs/node#57023 * tools: enable linter in test/fixtures/test\-runner/output nodejs/node#57698 * src: improve thread safety of TaskQueue nodejs/node#57910 * buffer: define global v8::CFunction objects as const nodejs/node#57676 * src: disable abseil deadlock detection nodejs/node#57582 * zlib: fix pointer alignment nodejs/node#57727 * chore: fixup patch indices * src: set default config as node.config.json nodejs/node#57171 * src: update std::vector<v8::Local<T>> to use v8::LocalVector<T> nodejs/node#57578 * test: disable chmod tests failing in Docker nodejs/node#58326 --------- Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com> Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

codebytere requested review from bnoordhuis and joyeecheung April 17, 2025 12:47

nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. labels Apr 17, 2025

codebytere force-pushed the mutex-flush-tasks branch from cfdeed7 to 6b85518Compare April 17, 2025 12:50

bnoordhuis reviewed Apr 17, 2025
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src: improve thread safety of TaskQueue
d71a542

codebytere force-pushed the mutex-flush-tasks branch from 78a514e to d71a542Compare April 21, 2025 17:50

github-actionsBot mentioned this pull request May 19, 2025
2025-05-21, Version 22.16.0 'Jod' (LTS) #58388
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VlkrS mentioned this pull request Jun 3, 2025
node 22.16.0 on OpenBSD: building a module with node-gyp spins in a tight loop #58569
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ghost mentioned this pull request Jun 8, 2025
### Notable Changes autofix-ci/action#28
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hhugo mentioned this pull request Jun 13, 2025
uv_async_send() inconsistency libuv/libuv#3622
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richardlau mentioned this pull request Dec 1, 2025
Segmentation Faults on node 20.19.6 #60882
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