screen, try #1

[Joe Allen]

Joe Allen wrote:

>> * Detached sessions are still tied to their parent consoles.  If I 
>> detach a session and then exit the parent shell, the shell doesn't 
>> exit and the zombie console window stays around.  If I force the 
>> console window to close, screen terminates.
>>  
>>
> There's something broken with process groups in cygwin.  I had this 
> same problem in JOE, but I don't clearly remember
> what I had to do to fix it: make sure both setsid() and setpgrp() are 
> being called.  I think it had more to do with the order
> of opening the pty or tty vs. fork().  Fork first, then open the tty: 
> look at mpxmk() in tty.c in JOE for something that works.
>
> There were other weird problems: like try to suspend a sub-process and 
> the parent would get suspended.
>
Actually I think I remember: use login_tty() instead of setsid(), setpgrp().