Re: Run Io coroutines in background simultaneous to using Io> prompt in foreground?

On 2009-06-09, at 10:09 PM, dennisf486 wrote:
> Thanks that was a big help but it wasn't quite the solution.  I was  
> able to make it run a background process simultaneous to generating  
> my own prompt.  But that only solves half my problem: "EditLine  
> readLine" is a blocking call, so it still halts other coroutines  
> while waiting at the "fake Io>" prompt. (Because you can't yield  
> between keypresses.)  So it still only executes the background loops  
> once per every time I hit the "return" key on a command in the prompt.


The simplest solution may be to use a non blocking keyboard input  
call. If this is all command line stuff, then you might look at the  
curses binding (but may have trouble making it portable). If it's in a  
GUI liek GLUT/OpenGL, then you can just use its' event based keyboard  
input.