stream: do not call _read() after destroy()

PR-URL: https://github.com/nodejs/node/pull/29491
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
This commit is contained in:
Robert Nagy 2019-09-08 10:35:34 +02:00 committed by Rich Trott
parent 8709a408d2
commit ec390b63a1
4 changed files with 14 additions and 7 deletions

View File

@ -490,9 +490,10 @@ Readable.prototype.read = function(n) {
debug('length less than watermark', doRead);
}
// However, if we've ended, then there's no point, and if we're already
// reading, then it's unnecessary.
if (state.ended || state.reading) {
// However, if we've ended, then there's no point, if we're already
// reading, then it's unnecessary, and if we're destroyed, then it's
// not allowed.
if (state.ended || state.reading || state.destroyed) {
doRead = false;
debug('reading or ended', doRead);
} else if (doRead) {

View File

@ -137,9 +137,6 @@ ReadStream.prototype._read = function(n) {
});
}
if (this.destroyed)
return;
if (!pool || pool.length - pool.used < kMinPoolSpace) {
// Discard the old pool.
allocNewPool(this.readableHighWaterMark);

View File

@ -189,3 +189,12 @@ const assert = require('assert');
read.push('hi');
read.on('data', common.mustNotCall());
}
{
const read = new Readable({
read: common.mustNotCall(function() {})
});
read.destroy();
assert.strictEqual(read.destroyed, true);
read.read();
}

View File

@ -10,7 +10,7 @@ process.once('uncaughtException', common.mustCall((err) => {
}));
const socket = new JSStreamWrap(new Duplex({
read: common.mustCall(),
read: common.mustNotCall(),
write: common.mustCall((buffer, data, cb) => {
throw new Error('exception!');
})