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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 16x 16x 16x 16x 16x 24x 24x 13x 13x 13x 24x 24x 14x 14x 14x 14x 14x 24x 24x 1035x 1035x 24x 24x 24x 24x 24x | 'use strict';
const {
Symbol
} = primordials;
const {
kUpdateTimer,
onStreamRead,
} = require('internal/stream_base_commons');
const { owner_symbol } = require('internal/async_hooks').symbols;
const { Readable } = require('stream');
const kHandle = Symbol('kHandle');
class HeapSnapshotStream extends Readable {
constructor(handle) {
super({ autoDestroy: true });
this[kHandle] = handle;
handle[owner_symbol] = this;
handle.onread = onStreamRead;
}
_read() {
if (this[kHandle])
this[kHandle].readStart();
}
_destroy() {
// Release the references on the handle so that
// it can be garbage collected.
this[kHandle][owner_symbol] = undefined;
this[kHandle] = undefined;
}
[kUpdateTimer]() {
// Does nothing
}
}
module.exports = {
HeapSnapshotStream
};
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