1 files changed, 10 insertions, 3 deletions
diff --git a/runtime/js/40_process.js b/runtime/js/40_process.js
index 358805180..ac9411916 100644
--- a/runtime/js/40_process.js
+++ b/runtime/js/40_process.js
@@ -157,6 +157,10 @@ function run({
   return new Process(res);
 }
 
+export const kExtraStdio = Symbol("extraStdio");
+export const kIpc = Symbol("ipc");
+export const kDetached = Symbol("detached");
+
 const illegalConstructorKey = Symbol("illegalConstructorKey");
 
 function spawnChildInner(command, apiName, {
@@ -166,13 +170,14 @@ function spawnChildInner(command, apiName, {
   env = { __proto__: null },
   uid = undefined,
   gid = undefined,
+  signal = undefined,
   stdin = "null",
   stdout = "piped",
   stderr = "piped",
-  signal = undefined,
   windowsRawArguments = false,
-  ipc = -1,
-  extraStdio = [],
+  [kDetached]: detached = false,
+  [kExtraStdio]: extraStdio = [],
+  [kIpc]: ipc = -1,
 } = { __proto__: null }) {
   const child = op_spawn_child({
     cmd: pathFromURL(command),
@@ -188,6 +193,7 @@ function spawnChildInner(command, apiName, {
     windowsRawArguments,
     ipc,
     extraStdio,
+    detached,
   }, apiName);
   return new ChildProcess(illegalConstructorKey, {
     ...child,
@@ -414,6 +420,7 @@ function spawnSync(command, {
     stderr,
     windowsRawArguments,
     extraStdio: [],
+    detached: false,
   });
   return {
     success: result.status.success,