child_process: give names to promisified exec() and execFile()

Author: LiviaMedeiros

lib/child_process.js

@@ -47,6 +47,7 @@ const {
 } = primordials;
 
 const {
+  assignFunctionName,
   convertToValidSignal,
   getSystemErrorName,
   kEmptyObject,
@@ -236,7 +237,7 @@ function exec(command, options, callback) {
 }
 
 const customPromiseExecFunction = (orig) => {
-  return (...args) => {
+  return assignFunctionName(orig.name, function(...args) {
     const { promise, resolve, reject } = PromiseWithResolvers();
 
     promise.child = orig(...args, (err, stdout, stderr) => {
@@ -250,7 +251,7 @@ const customPromiseExecFunction = (orig) => {
     });
 
     return promise;
-  };
+  });
 };
 
 ObjectDefineProperty(exec, promisify.custom, {

test/parallel/test-util-promisify-custom-names.mjs

@@ -9,6 +9,7 @@ import fs from 'node:fs';
 import readline from 'node:readline';
 import stream from 'node:stream';
 import timers from 'node:timers';
+import child_process from 'node:child_process';
 
 
 assert.strictEqual(
@@ -38,3 +39,12 @@ assert.strictEqual(
   promisify(timers.setTimeout).name,
   'setTimeout'
 );
+
+assert.strictEqual(
+  promisify(child_process.exec).name,
+  'exec'
+);
+assert.strictEqual(
+  promisify(child_process.execFile).name,
+  'execFile'
+);