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, 2 insertions, 1 deletions

diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index 0469b38bf..5b4b164a2 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -440,6 +440,7 @@ function bootstrapMainRuntime(runtimeOptions) {
     3: inspectFlag,
     5: hasNodeModulesDir,
     6: maybeBinaryNpmCommandName,
+    7: nodeIpcFd,
   } = runtimeOptions;
 
   performance.setTimeOrigin(DateNow());
@@ -545,7 +546,7 @@ function bootstrapMainRuntime(runtimeOptions) {
   ObjectDefineProperty(globalThis, "Deno", util.readOnly(finalDenoNs));
 
   if (nodeBootstrap) {
-    nodeBootstrap(hasNodeModulesDir, maybeBinaryNpmCommandName);
+    nodeBootstrap(hasNodeModulesDir, maybeBinaryNpmCommandName, nodeIpcFd);
   }
 }