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doc: note message event listeners ref IPC channels #11494

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doc: note message event listeners ref IPC channels 
The IPC channel is referenced with the message event too.
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@DiegoRBaquero @sam-github
DiegoRBaquero authored and sam-github committed Feb 22, 2017
commit 757cff4c5d7ae2edd3741b96026f75bce06ef870
6 changes: 3 additions & 3 deletions doc/api/child_process.md
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Expand Up @@ -554,9 +554,9 @@ spawn('prg', [], { stdio: ['pipe', null, null, null, 'pipe'] });
*It is worth noting that when an IPC channel is established between the
parent and child processes, and the child is a Node.js process, the child
is launched with the IPC channel unreferenced (using `unref()`) until the
child registers an event handler for the [`process.on('disconnect')`][] event.
This allows the child to exit normally without the process being held open
by the open IPC channel.*
child registers an event handler for the [`process.on('disconnect')`][] event
or the [`process.on('message')`][] event.This allows the child to exit normally
without the process being held open by the open IPC channel.*

See also: [`child_process.exec()`][] and [`child_process.fork()`][]

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