-
-
Save gr33n7007h/4eb5ce9f635648ef4ba1e3e9c665ac76 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| >> require 'fcntl' | |
| => true | |
| >> | |
| >> f = File.open('/dev/urandom') | |
| => #<File:/dev/urandom> | |
| >> | |
| >> f.fcntl Fcntl::F_GETFL, 0 | |
| => 32768 | |
| >> | |
| >> f.read_nonblock 2 | |
| => "\x88\x83" | |
| >> | |
| >> f.fcntl Fcntl::F_GETFL, 0 | |
| => 34816 | |
| >> | |
| >> 34816 - 32768 # 2048 = 04000 = non blocking flag | |
| => 2048 | |
| >> | |
| >> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment