[Haskell-cafe] memory usage in repeated reading of an external program's output

Bryan O'Sullivan bos at serpentine.com
Thu Jun 21 16:36:16 EDT 2007

Andrea Rossato wrote:

> Still I do not understand you reference to the leak problem. Could you
> please elaborate a bit?

The runProcess function returns a ProcessHandle.  If you don't call 
waitForProcess on that handle, you'll leak those handles.  On Unix-like 
systems, this means you'll accumulate zombie processes and potentially 
fill your process table, DoSing your machine.


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