Closed
Description
- Version: 12.0.0-pre (current master)
- Platform: Darwin LIB-0F7FVH8-LT 18.2.0 Darwin Kernel Version 18.2.0: Thu Dec 20 20:46:53 PST 2018; root:xnu-4903.241.1~1/RELEASE_X86_64 x86_64
- Subsystem: async_hooks
This code shows destroy emitting twice for a single asyncId. (You may need to run it more than once to see the error and/or increase the value of N in the code, but it repros most of the time for me.)
'use strict';
const assert = require('assert');
const async_hooks = require('async_hooks');
const http = require('http');
const N = 50;
const KEEP_ALIVE = 100;
const destroyedIds = [];
async_hooks.createHook({
destroy: (asyncId) => {
assert(!destroyedIds.includes(asyncId), `${asyncId} already in ${destroyedIds.sort()}`);
destroyedIds.push(asyncId);
}
}).enable();
const server = http.createServer(function(req, res) {
res.end('Hello');
});
const keepAliveAgent = new http.Agent({
keepAlive: true,
keepAliveMsecs: KEEP_ALIVE,
});
let M = 0;
server.listen(0, function() {
for (let i = 0; i < N; ++i) {
(function makeRequest() {
http.get({
port: server.address().port,
agent: keepAliveAgent
}, function(res) {
res.resume();
M++;
if (M === N)
server.close();
assert.ok(M <= N);
});
})();
}
});