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‎doc/api/worker_threads.md‎
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‎doc/api/worker_threads.md‎
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‎lib/internal/worker.js‎
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‎lib/internal/worker.js‎
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‎src/node_worker.cc‎
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‎test/parallel/test-trace-events-worker-metadata.js‎
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‎test/parallel/test-trace-events-worker-metadata.js‎
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@@ -1227,9 +1227,16 @@ changes:
       used for generated code.
     * `stackSizeMb` {number} The default maximum stack size for the thread.
       Small values may lead to unusable Worker instances. **Default:** `4`.
-  * `name` {string} An optional `name` to be appended to the worker title
-    for debugging/identification purposes, making the final title as
-    `[worker ${id}] ${name}`. **Default:** `''`.
+  * `name` {string} An optional `name` to be replaced in the thread name
+    and to the worker title for debugging/identification purposes,
+    making the final title as `[worker ${id}] ${name}`.
+    This parameter has a maximum allowed size, depending on the operating
+    system. If the provided name exceeds the limit, it will be truncated
+    * Maximum sizes:
+      * Windows: 32,767 characters
+      * macOS: 64 characters
+      * Other systems: 16 characters
+        **Default:** `'WorkerThread'`.
 
 ### Event: `'error'`
 
 
@@ -204,7 +204,7 @@ class Worker extends EventEmitter {
         options.env);
     }
 
-    let name = '';
+    let name = 'WorkerThread';
     if (options.name) {
       validateString(options.name, 'options.name');
       name = StringPrototypeTrim(options.name);
 
@@ -740,6 +740,7 @@ void Worker::StartThread(const FunctionCallbackInfo<Value>& args) {
     Worker* w = static_cast<Worker*>(arg);
     const uintptr_t stack_top = reinterpret_cast<uintptr_t>(&arg);
 
+    uv_thread_setname(w->name_.c_str());
     // Leave a few kilobytes just to make sure we're within limits and have
     // some space to do work in C++ land.
     w->stack_base_ = stack_top - (w->stack_size_ - kStackBufferSize);
 
@@ -23,7 +23,7 @@ if (isMainThread) {
       assert(traces.length > 0);
       assert(traces.some((trace) =>
         trace.cat === '__metadata' && trace.name === 'thread_name' &&
-          trace.args.name === '[worker 1]'));
+          trace.args.name === '[worker 1] WorkerThread'));
     }));
   }));
 } else {
Original file line number	Diff line number	Diff line change
`@@ -204,7 +204,7 @@ class Worker extends EventEmitter {`
`204`	`204`	`options.env);`
`205`	`205`	`}`
`206`	`206`
`207`		`- let name = '';`
	`207`	`+ let name = 'WorkerThread';`
`208`	`208`	`if (options.name) {`
`209`	`209`	`validateString(options.name, 'options.name');`
`210`	`210`	`name = StringPrototypeTrim(options.name);`