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'use strict';
const common = require('../common');
const assert = require('assert');
const child_process = require('child_process');
const fs = require('fs');
if (common.isWindows) {
common.skip('no RLIMIT_NOFILE on Windows');
return;
}
const ulimit = Number(child_process.execSync('ulimit -Hn'));
if (ulimit > 64 || Number.isNaN(ulimit)) {
// Sorry about this nonsense. It can be replaced if
// https://github.com/nodejs/node-v0.x-archive/pull/2143#issuecomment-2847886
// ever happens.
const result = child_process.spawnSync(
'/bin/sh',
['-c', `ulimit -n 64 && '${process.execPath}' '${__filename}'`]
);
assert.strictEqual(result.stdout.toString(), '');
assert.strictEqual(result.stderr.toString(), '');
assert.strictEqual(result.status, 0);
assert.strictEqual(result.error, undefined);
return;
}
const openFds = [];
for (;;) {
try {
openFds.push(fs.openSync(__filename, 'r'));
} catch (err) {
assert(err.code === 'EMFILE');
break;
}
}
// Should emit an error, not throw.
const proc = child_process.spawn(process.execPath, ['-e', '0']);
proc.on('error', common.mustCall(function(err) {
assert.strictEqual(err.code, 'EMFILE');
}));
proc.on('exit', function() {
common.fail('"exit" should not be emitted (the process never spawned!)');
});
// close one fd for LSan
if (openFds.length >= 1) {
fs.closeSync(openFds.pop());
}
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