From 3299de8743a05a523ce56b0da62fddce41540bcd Mon Sep 17 00:00:00 2001
From: Harshitha KP <harshi46@in.ibm.com>
Date: Mon, 13 Jan 2020 08:15:50 -0500
Subject: [PATCH] doc: document missing properties in child_process

Add documentation for subprocess.exitCode, subprocess.signalCode,
subprocess.spawnargs, and subprocess.spawnfile.

PR-URL: https://github.com/nodejs/node/pull/31342
Fixes: https://github.com/nodejs/node/issues/27206
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
---
 doc/api/child_process.md | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/doc/api/child_process.md b/doc/api/child_process.md
index f9b0ebf1f92a05..5e695a3a510ca2 100644
--- a/doc/api/child_process.md
+++ b/doc/api/child_process.md
@@ -1075,6 +1075,13 @@ When the child process is a Node.js instance (e.g. spawned using
 [`child_process.fork()`][]), the `process.disconnect()` method can be invoked
 within the child process to close the IPC channel as well.
 
+### `subprocess.exitCode`
+
+* {integer}
+
+The `subprocess.exitcode` property indicates the exit code of the child process.
+If the child process is still running, the field will be null.
+
 ### `subprocess.kill([signal])`
 <!-- YAML
 added: v0.1.90
@@ -1368,6 +1375,34 @@ It is also recommended that any `'message'` handlers in the child process
 verify that `socket` exists, as the connection may have been closed during the
 time it takes to send the connection to the child.
 
+### `subprocess.signalCode`
+
+* {integer}
+
+The `subprocess.signalCode` property indicates the signal number received by
+the child process if any, else null.
+
+### `subprocess.spawnargs`
+
+* {Array}
+
+The `subprocess.spawnargs` property represents the full list of command line
+arguments the child process was launched with.
+
+### `subprocess.spawnfile`
+
+* {string}
+
+The `subprocess.spawnfile` property indicates the executable file name of
+the child process that is launched.
+
+For [`child_process.fork()`][], its value will be equal to
+[`process.execPath`][].
+For [`child_process.spawn()`][], its value will be the name of
+the executable file.
+For [`child_process.exec()`][],  its value will be the name of the shell
+in which the child process is launched.
+
 ### `subprocess.stderr`
 <!-- YAML
 added: v0.1.90