src: make sure pass the cli_options to worker

src/node_worker.cc

@@ -534,6 +534,7 @@ void Worker::New(const FunctionCallbackInfo<Value>& args) {
   }
 
   if (args[1]->IsObject() || args[2]->IsArray()) {
+    Mutex::ScopedLock lock(per_process::cli_options_mutex);
     per_isolate_opts.reset(new PerIsolateOptions());
 
     HandleEnvOptions(per_isolate_opts->per_env, [&env_vars](const char* name) {
@@ -570,12 +571,11 @@ void Worker::New(const FunctionCallbackInfo<Value>& args) {
     }
 #endif  // NODE_WITHOUT_NODE_OPTIONS
   }
-
+  // The first argument is reserved for program name, but we don't need it
+  // in workers.
+  std::vector<std::string> exec_argv = {""};
   if (args[2]->IsArray()) {
     Local<Array> array = args[2].As<Array>();
-    // The first argument is reserved for program name, but we don't need it
-    // in workers.
-    std::vector<std::string> exec_argv = {""};
     uint32_t length = array->Length();
     for (uint32_t i = 0; i < length; i++) {
       Local<Value> arg;
@@ -590,38 +590,38 @@ void Worker::New(const FunctionCallbackInfo<Value>& args) {
       std::string arg_string(arg_utf8_value.out(), arg_utf8_value.length());
       exec_argv.push_back(arg_string);
     }
-
-    std::vector<std::string> invalid_args{};
-    std::vector<std::string> errors{};
-    // Using invalid_args as the v8_args argument as it stores unknown
-    // options for the per isolate parser.
-    options_parser::Parse(&exec_argv,
-                          &exec_argv_out,
-                          &invalid_args,
-                          per_isolate_opts.get(),
-                          kDisallowedInEnvvar,
-                          &errors);
-
-    // The first argument is program name.
-    invalid_args.erase(invalid_args.begin());
-    if (errors.size() > 0 || invalid_args.size() > 0) {
-      Local<Value> error;
-      if (!ToV8Value(env->context(),
-                     errors.size() > 0 ? errors : invalid_args)
-                         .ToLocal(&error)) {
-        return;
-      }
-      Local<String> key =
-          FIXED_ONE_BYTE_STRING(env->isolate(), "invalidExecArgv");
-      // Ignore the return value of Set() because exceptions bubble up to JS
-      // when we return anyway.
-      USE(args.This()->Set(env->context(), key, error));
-      return;
-    }
   } else {
     exec_argv_out = env->exec_argv();
+    exec_argv.insert(exec_argv.end(), exec_argv_out.begin(), exec_argv_out.end());
   }
 
+  std::vector<std::string> invalid_args{};
+  std::vector<std::string> errors{};
+  // Using invalid_args as the v8_args argument as it stores unknown
+  // options for the per isolate parser.
+  options_parser::Parse(&exec_argv,
+                        &exec_argv_out,
+                        &invalid_args,
+                        per_isolate_opts.get(),
+                        kDisallowedInEnvvar,
+                        &errors);
+
+  // The first argument is program name.
+  invalid_args.erase(invalid_args.begin());
+  if (errors.size() > 0 || invalid_args.size() > 0) {
+    Local<Value> error;
+    if (!ToV8Value(env->context(),
+                    errors.size() > 0 ? errors : invalid_args)
+                        .ToLocal(&error)) {
+      return;
+    }
+    Local<String> key =
+        FIXED_ONE_BYTE_STRING(env->isolate(), "invalidExecArgv");
+    // Ignore the return value of Set() because exceptions bubble up to JS
+    // when we return anyway.
+    USE(args.This()->Set(env->context(), key, error));
+    return;
+  }
   const SnapshotData* snapshot_data = env->isolate_data()->snapshot_data();
 
   Worker* worker = new Worker(env,

test/parallel/test-worker-cli-options.js

@@ -0,0 +1,12 @@
+// Flags: --expose-internals
+'use strict';
+require('../common');
+const { Worker } = require('worker_threads');
+
+// Test if the flags is passed to worker threads
+// See https://github.com/nodejs/node/issues/52825
+new Worker(`
+    // If the --expose-internals flag does not pass to worker
+    // require function will throw an error
+    require('internal/options');
+`, { eval: true, env: process.env });