Skip to content

tty: remove NODE_TTY_UNSAFE_ASYNC #12057

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

tty: remove NODE_TTY_UNSAFE_ASYNC #12057

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 0 additions & 10 deletions doc/api/cli.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -393,16 +393,6 @@ Path to the file used to store the persistent REPL history. The default path is
to an empty string (`""` or `" "`) disables persistent REPL history.


### `NODE_TTY_UNSAFE_ASYNC=1`
<!-- YAML
added: v6.4.0
-->

When set to `1`, writes to `stdout` and `stderr` will be non-blocking and
asynchronous when outputting to a TTY on platforms which support async stdio.
Setting this will void any guarantee that stdio will not be interleaved or
dropped at program exit. **Use of this mode is not recommended.**

### `NODE_EXTRA_CA_CERTS=file`
<!-- YAML
added: v7.3.0
Expand Down
7 changes: 0 additions & 7 deletions doc/node.1
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -260,13 +260,6 @@ Path to the file used to store the persistent REPL history. The default path
is \fB~/.node_repl_history\fR, which is overridden by this variable. Setting the
value to an empty string ("" or " ") disables persistent REPL history.

.TP
.BR NODE_TTY_UNSAFE_ASYNC =\fI1\fR
When set to \fI1\fR, writes to stdout and stderr will be non-blocking and
asynchronous when outputting to a TTY on platforms which support async stdio.
Setting this will void any guarantee that stdio will not be interleaved or
dropped at program exit. \fBAvoid use.\fR

.TP
.BR OPENSSL_CONF = \fIfile\fR
Load an OpenSSL configuration file on startup. Among other uses, this can be
Expand Down
2 changes: 1 addition & 1 deletion lib/tty.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@ function WriteStream(fd) {
// this behaviour has become expected due historical functionality on OS X,
// even though it was originally intended to change in v1.0.2 (Libuv 1.2.1).
// Ref: https://github.com./nodejs/node/pull/1771#issuecomment-119351671
this._handle.setBlocking(process.env.NODE_TTY_UNSAFE_ASYNC !== '1');
this._handle.setBlocking(true);

var winSize = new Array(2);
var err = this._handle.getWindowSize(winSize);
Expand Down