blob: f05d5e932bebf25be42db74af31222e65959f6cd (
plain)
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
45
46
47
48
49
50
51
|
'use strict';
// This file contains process bootstrappers that can only be
// run in the worker thread.
const {
getEnvMessagePort
} = internalBinding('worker');
const {
kWaitingStreams,
ReadableWorkerStdio,
WritableWorkerStdio
} = require('internal/worker/io');
const {
codes: { ERR_WORKER_UNSUPPORTED_OPERATION }
} = require('internal/errors');
const workerStdio = {};
function initializeWorkerStdio() {
const port = getEnvMessagePort();
port[kWaitingStreams] = 0;
workerStdio.stdin = new ReadableWorkerStdio(port, 'stdin');
workerStdio.stdout = new WritableWorkerStdio(port, 'stdout');
workerStdio.stderr = new WritableWorkerStdio(port, 'stderr');
return {
getStdout() { return workerStdio.stdout; },
getStderr() { return workerStdio.stderr; },
getStdin() { return workerStdio.stdin; }
};
}
// The execution of this function itself should not cause any side effects.
function wrapProcessMethods(binding) {
function umask(mask) {
// process.umask() is a read-only operation in workers.
if (mask !== undefined) {
throw new ERR_WORKER_UNSUPPORTED_OPERATION('Setting process.umask()');
}
return binding.umask(mask);
}
return { umask };
}
module.exports = {
initializeWorkerStdio,
wrapProcessMethods
};
|
