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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 | 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 16x 16x 16x 16x 16x 25x 25x 13x 13x 13x 25x 25x 14x 14x 14x 14x 14x 25x 25x 1026x 1026x 25x 25x 25x 25x 25x | '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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