From 312ebd97c21dc94b8e6456fcf29799b3c5bf8f65 Mon Sep 17 00:00:00 2001 From: theanarkh Date: Tue, 26 Mar 2024 18:31:23 +0800 Subject: [PATCH] doc: edit `ChildProcess` `'message'` event docs - Clarify which types of objects can be sent through `process.send`. - Clarify that IPC handles are not supported on win32 platform. PR-URL: https://github.com/nodejs/node/pull/52154 Reviewed-By: Luigi Pinca Reviewed-By: Antoine du Hamel --- doc/api/child_process.md | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/doc/api/child_process.md b/doc/api/child_process.md index eb4095b6b71a3e..50ab445ed533fe 100644 --- a/doc/api/child_process.md +++ b/doc/api/child_process.md @@ -1222,8 +1222,8 @@ added: v0.5.9 --> * `message` {Object} A parsed JSON object or primitive value. -* `sendHandle` {Handle} A [`net.Socket`][] or [`net.Server`][] object, or - undefined. +* `sendHandle` {Handle|undefined} `undefined` or a [`net.Socket`][], + [`net.Server`][], or [`dgram.Socket`][] object. The `'message'` event is triggered when a child process uses [`process.send()`][] to send messages. @@ -1481,7 +1481,8 @@ changes: --> * `message` {Object} -* `sendHandle` {Handle} +* `sendHandle` {Handle|undefined} `undefined`, or a [`net.Socket`][], + [`net.Server`][], or [`dgram.Socket`][] object. * `options` {Object} The `options` argument, if present, is an object used to parameterize the sending of certain types of handles. `options` supports the following properties: @@ -1539,7 +1540,8 @@ The optional `sendHandle` argument that may be passed to `subprocess.send()` is for passing a TCP server or socket object to the child process. The child will receive the object as the second argument passed to the callback function registered on the [`'message'`][] event. Any data that is received -and buffered in the socket will not be sent to the child. +and buffered in the socket will not be sent to the child. Sending IPC sockets is +not supported on Windows. The optional `callback` is a function that is invoked after the message is sent but before the child may have received it. The function is called with a @@ -1872,6 +1874,7 @@ or [`child_process.fork()`][]. [`child_process.fork()`]: #child_processforkmodulepath-args-options [`child_process.spawn()`]: #child_processspawncommand-args-options [`child_process.spawnSync()`]: #child_processspawnsynccommand-args-options +[`dgram.Socket`]: dgram.md#class-dgramsocket [`maxBuffer` and Unicode]: #maxbuffer-and-unicode [`net.Server`]: net.md#class-netserver [`net.Socket`]: net.md#class-netsocket