-
Notifications
You must be signed in to change notification settings - Fork 28.2k
/
sync_write_stream.js
44 lines (32 loc) · 1.02 KB
/
sync_write_stream.js
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
43
44
'use strict';
const {
ObjectSetPrototypeOf,
ReflectApply,
} = primordials;
const { kEmptyObject } = require('internal/util');
const { Writable } = require('stream');
const { closeSync, writeSync } = require('fs');
function SyncWriteStream(fd, options) {
ReflectApply(Writable, this, [{ autoDestroy: true }]);
options = options || kEmptyObject;
this.fd = fd;
this.readable = false;
this.autoClose = options.autoClose === undefined ? true : options.autoClose;
}
ObjectSetPrototypeOf(SyncWriteStream.prototype, Writable.prototype);
ObjectSetPrototypeOf(SyncWriteStream, Writable);
SyncWriteStream.prototype._write = function(chunk, encoding, cb) {
writeSync(this.fd, chunk, 0, chunk.length);
cb();
};
SyncWriteStream.prototype._destroy = function(err, cb) {
if (this.fd === null) // already destroy()ed
return cb(err);
if (this.autoClose)
closeSync(this.fd);
this.fd = null;
cb(err);
};
SyncWriteStream.prototype.destroySoon =
SyncWriteStream.prototype.destroy;
module.exports = SyncWriteStream;