Build fixes

Author: timfish

README.md

@@ -107,7 +107,7 @@ Stack traces show where each thread is currently executing:
 
 Set up automatic detection of blocked event loops:
 
-### 1. Set up thread heartbeats
+### 1. Register threads with `AsyncLocalStorage` state tracking and heartbeats
 
 Send regular heartbeats:
 
@@ -194,7 +194,9 @@ but will not capture the stack trace of the calling thread itself.
 ```ts
 type Thread<A = unknown, P = unknown> = {
   frames: StackFrame[];
+  /** State captured from the AsyncLocalStorage */
   asyncState?: A;
+  /** Optional state provided when calling threadPoll */
   pollState?: P;
 };
 

module.cc

@@ -3,6 +3,7 @@
 #include <mutex>
 #include <node.h>
 #include <node_version.h>
+#include <optional>
 
 // Platform-specific includes for time functions
 #ifdef _WIN32
@@ -365,10 +366,8 @@ void RegisterThreadInternal(
   std::lock_guard<std::mutex> lock(threads_mutex);
   auto found = threads.find(isolate);
   if (found == threads.end()) {
-    threads.emplace(isolate,
-                    ThreadInfo{thread_name, .last_seen = milliseconds::zero(),
-                               .async_store = std::move(async_store),
-                               .poll_state = ""});
+    threads.emplace(isolate, ThreadInfo{thread_name, milliseconds::zero(),
+                                        std::move(async_store), ""});
     // Register a cleanup hook to remove this thread when the isolate is
     // destroyed
     node::AddEnvironmentCleanupHook(isolate, Cleanup, isolate);

test/stalled.js

@@ -1,4 +1,4 @@
-const { Worker, threadId } = require('node:worker_threads');
+const { Worker } = require('node:worker_threads');
 const { longWork } = require('./long-work.js');
 const { registerThread, threadPoll } = require('@sentry-internal/node-native-stacktrace');