feat: Allow passing state from tracked threads #7
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AbhiPrasad
approved these changes
Jun 10, 2025
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| std::string state_str; | ||
| if (args.Length() == 1 && args[0]->IsValue()) { | ||
| MaybeLocal<String> maybe_json = v8::JSON::Stringify(context, args[0]); |
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what if a return a huge json? Should we account for size limits in some way?
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We need to think about this but I think the worse case is too much memory use or OOM.
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In the existing ANR detection we need to collect some state from the threads. This is used to collect debug meta and the current session.
Rather than use
registerThread()to repeatedly poll from each thread,registerThread()is used to register the thread andthreadPoll()is used to poll.threadPoll()can optionally take a stateobjectwhich is stored with the thread information.v8::JSON::stringifyis used to serialise the state. Later when callingcaptureStackTrace(), for each thread theframeand anystateare returned.