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src: lock the thread properly in snapshot builder #56327

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src: lock the thread properly in snapshot builder #56327

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joyeecheung
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@joyeecheung joyeecheung commented Dec 20, 2024 •
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Otherwise it can crash DCHECK when V8 expects that at least someone is locking the current thread.

Fixes: nodejs/node-v8#294

@joyeecheung
src: lock the thread properly in snapshot builder
056befb 
Otherwise it can crash DCHECK when V8 expects that at least someone
is locking the current thread.
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Review requested:

  • @nodejs/startup

@nodejs-github-bot 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 Dec 20, 2024
@joyeecheung joyeecheung mentioned this pull request Dec 20, 2024
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codecov bot commented Dec 20, 2024 •
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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.54%. Comparing base (fd8de67) to head (056befb).
Report is 13 commits behind head on main.

Additional details and impacted files 
@@           Coverage Diff           @@
##             main   #56327   +/-   ##
=======================================
  Coverage   88.54%   88.54%           
=======================================
  Files         657      657           
  Lines      190295   190394   +99     
  Branches    36536    36544    +8     
=======================================
+ Hits       168491   168582   +91     
- Misses      14981    14991   +10     
+ Partials     6823     6821    -2
Files with missing lines Coverage Δ
src/node_snapshotable.cc 75.16% <100.00%> (+0.02%) ⬆️

... and 35 files with indirect coverage changes

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targos commented Dec 21, 2024

Just to help me understand, do we have to lock because of this check?
https://github.com/v8/v8/blob/cf11e59dd2e7c0478c9332f7d36d4b88954725df/src/heap/cppgc-js/cpp-heap.cc#L1308-L1315

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node_mksnapshot fails for debug builds
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