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Michael Dawson 15164cebce lib,src: update cluster to use Parent

Doc deprecate isMaster and setupMaster in favor
of isPrimary and setupPrimary.

Signed-off-by: Michael Dawson <mdawson@devrus.com>

PR-URL: https://github.com/nodejs/node/pull/36478
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>

2021-01-05 15:41:45 -05:00

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 const cluster = require('cluster');
 if (cluster.isPrimary) {
   cluster.fork(); // one child
   cluster.on('exit', function(worker, code, signal) {
     console.log(`worker terminated with code ${code}`);
   });
 }