doc: fix cluster worker 'message' event
This commit adds the missing handle argument to the cluster worker 'message' event. It also adds a link to the process 'message' event for reference. Refs: https://github.com/nodejs/node/pull/7297 PR-URL: https://github.com/nodejs/node/pull/7309 Reviewed-By: Brian White <mscdex@mscdex.net>
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@ -167,12 +167,12 @@ It is not emitted in the worker.
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### Event: 'message'
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* `message` {Object}
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* `handle` {undefined|Object}
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Similar to the `cluster.on('message')` event, but specific to this worker.
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Similar to the `cluster.on('message')` event, but specific to this worker. In a
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worker you can also use `process.on('message')`.
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This event is the same as the one provided by [`child_process.fork()`][].
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In a worker you can also use `process.on('message')`.
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See [`process` event: `'message'`][].
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As an example, here is a cluster that keeps count of the number of requests
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in the master process using the message system:
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@ -735,3 +735,4 @@ socket.on('data', (id) => {
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[Child Process module]: child_process.html#child_process_child_process_fork_modulepath_args_options
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[child_process event: 'exit']: child_process.html#child_process_event_exit
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[child_process event: 'message']: child_process.html#child_process_event_message
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[`process` event: `'message'`]: process.html#process_event_message
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