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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 | 18x 18x 18x 18x 18x 18x 18x 18x 18x 18x 18x 18x 18x 18x 18x 14x 14x 14x 14x 14x 18x 18x 11x 11x 11x 18x 18x 12x 12x 12x 12x 12x 18x 18x 813x 813x 18x 18x 18x 18x 18x | '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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