Select Code to Download

blocking ( flag )

...
The ones that can be safely called are read and, with some caveats, wr
+ite. See "write" in Net::SSH2::Channel.

Don't hesitate to report any bug you found in that area!

The reason is that if you want to do two things at once, say read from
+ some other 
network connection, and your SSH session, you have two options:
...
    use non-blocking APIs so the same thread can do both

This latter approach is called Asynchronous I/O. See for example twist
+ed which uses it extensively.