process: group main thread execution preparation code

This patch groups the preparation of main thread execution into
`prepareMainThreadExecution()` and removes the cluster IPC
setup in worker thread bootstrap since clusters do not use
worker threads for its implementation and it's unlikely to change.

PR-URL: https://github.com/nodejs/node/pull/26000
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>

1 files changed, 2 insertions, 10 deletions

diff --git a/lib/internal/main/run_main_module.js b/lib/internal/main/run_main_module.js
index abc41fc202..97a4e33be2 100644
--- a/lib/internal/main/run_main_module.js
+++ b/lib/internal/main/run_main_module.js
@@ -1,18 +1,10 @@
 'use strict';
 
 const {
-  initializeDeprecations,
-  initializeClusterIPC,
-  initializePolicy,
-  initializeESMLoader,
-  loadPreloadModules
+  prepareMainThreadExecution
 } = require('internal/bootstrap/pre_execution');
 
-initializeDeprecations();
-initializeClusterIPC();
-initializePolicy();
-initializeESMLoader();
-loadPreloadModules();
+prepareMainThreadExecution();
 
 // Expand process.argv[1] into a full path.
 const path = require('path');