geteuid

Return the effective numeric user identity of the calling process.

Installation

npm install @stdlib/process-geteuid

Usage

var geteuid = require( '@stdlib/process-geteuid' );

geteuid()

Returns the effective numeric user identity of the calling process.

var id = geteuid();

Notes

• The function only returns an integer user identity on POSIX platforms. For all other platforms (e.g., Windows, browsers, and Android), the function returns null.
• See geteuid(2).

Examples

var geteuid = require( '@stdlib/process-geteuid' );

var uid = geteuid();
if ( uid === 0 ) {
    console.log( 'Effectively running as root.' );
} else {
    console.log( 'uid: %d', uid );
}

See Also

• @stdlib/process-getegid: return the effective numeric group identity of a calling process.
• @stdlib/process-getgid: return the numeric group identity of a calling process.
• @stdlib/process-getuid: return the numeric user identity of a calling process.

Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.