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cluster: remove debug arg handling

--debug and --debug-brk are no longer valid flags so remove special
handling for them in the cluster module. Even if they are restored, they
will be aliases for inspect and will not use the legacy debug protocol,
so the special handling will not be needed.

PR-URL: #12738
Reviewed-By: Benjamin Gruenbaum <>
Reviewed-By: Gibson Fahnestock <>
Reviewed-By: Anna Henningsen <>
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Trott committed Apr 29, 2017
1 parent 9d723e8 commit dc3bbb45a7a17c97dbe2260e49baf725c53a7a79
Showing with 0 additions and 10 deletions.
  1. +0 −10 lib/internal/cluster/master.js
@@ -70,18 +70,8 @@ cluster.setupMaster = function(options) {
assert(schedulingPolicy === SCHED_NONE || schedulingPolicy === SCHED_RR,
`Bad cluster.schedulingPolicy: ${schedulingPolicy}`);
const hasDebugArg = process.execArgv.some((argv) => {
return /^(--debug|--debug-brk)(=\d+)?$/.test(argv);
process.nextTick(setupSettingsNT, settings);
// Send debug signal only if not started in debug mode, this helps a lot
// on windows, because RegisterDebugHandler is not called when node starts
// with --debug.* arg.
if (hasDebugArg)
process.on('internalMessage', (message) => {
if (message.cmd !== 'NODE_DEBUG_ENABLED')

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