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test: deflake test-cluster-shared-handle-bind-privileged-port #55378

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16 changes: 16 additions & 0 deletions test/parallel/test-cluster-shared-handle-bind-privileged-port.js
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,22 @@ if (common.isWindows)
if (process.getuid() === 0)
common.skip('as this test should not be run as `root`');

// Some systems won't have port 42 set as a privileged port, in that
// case, skip the test.
if (common.isLinux) {
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const { readFileSync } = require('fs');

try {
const unprivilegedPortStart = parseInt(readFileSync('/proc/sys/net/ipv4/ip_unprivileged_port_start'));
if (unprivilegedPortStart <= 42) {
common.skip('Port 42 is unprivileged');
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}
} catch {
// Do nothing, feature doesn't exist, minimum is 1024 so 42 is usable.
// Continue...
}
}

const assert = require('assert');
const cluster = require('cluster');
const net = require('net');
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