fix: implement child_process IPC (#21490)

This PR implements the Node child_process IPC functionality in Deno on
Unix systems.

For `fd > 2` a duplex unix pipe is set up between the parent and child
processes. Currently implements data passing via the channel in the JSON
serialization format.

1 files changed, 4 insertions, 4 deletions

diff --git a/ext/node/polyfills/02_init.js b/ext/node/polyfills/02_init.js
index e3061c95d..e5a0279a5 100644
--- a/ext/node/polyfills/02_init.js
+++ b/ext/node/polyfills/02_init.js
@@ -7,15 +7,12 @@ const requireImpl = internals.requireImpl;
 import { nodeGlobals } from "ext:deno_node/00_globals.js";
 import "node:module";
 
-globalThis.nodeBootstrap = function (usesLocalNodeModulesDir, argv0) {
-  initialize(usesLocalNodeModulesDir, argv0);
-};
-
 let initialized = false;
 
 function initialize(
   usesLocalNodeModulesDir,
   argv0,
+  ipcFd,
 ) {
   if (initialized) {
     throw Error("Node runtime already initialized");
@@ -41,6 +38,7 @@ function initialize(
   // but it's the only way to get `args` and `version` and this point.
   internals.__bootstrapNodeProcess(argv0, Deno.args, Deno.version);
   internals.__initWorkerThreads();
+  internals.__setupChildProcessIpcChannel(ipcFd);
   // `Deno[Deno.internal].requireImpl` will be unreachable after this line.
   delete internals.requireImpl;
 }
@@ -52,6 +50,8 @@ function loadCjsModule(moduleName, isMain, inspectBrk) {
   requireImpl.Module._load(moduleName, null, { main: isMain });
 }
 
+globalThis.nodeBootstrap = initialize;
+
 internals.node = {
   initialize,
   loadCjsModule,