how can I change priority of focused/non-focused windows?

[kotsya@u.washington.edu (David Stern)]

Hi,

I've noticed that most http and ftp clients will have decreased 
download rates when their window loses focus. There doesn't need to be 
any other modem usage, or even a resource intensive app in focus for 
this to occur.  I've tried `renice', but this doesn't noticeably change 
the behavior I'm referring to -- yes, renice works, and I'm using 
negative values, up to -20, but that doesn't have anywhere near the 
impact of going out of focus.  I'd like to give unfocused windows a 
higher priority.  How can I do this?

I've also noticed that during long downloads, some ftp clients tend to 
"stall", but that particularly two activities will restart the download:
  a.) Dragging the titlebar of the ftp client window, clicking titlebar.
  b.) Pinging a FQDN, starting a net-aware app, other small net jobs.
What causes this, and/or how can I keep ftp clients alive on long 
downloads?
-- 
D a v i d   S t e r n                          
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                                           kotsya@u.washington.edu




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