Proposal: When possible, give more useful exceptions from rawSystem and friends

Ian Lynagh ian at
Tue May 7 12:16:27 CEST 2013

Hi Niklas,

On Mon, Apr 29, 2013 at 08:23:52AM +0800, Niklas Hambüchen wrote:
> does your patch only apply to rawSystem or would it also improve
> scenarios with createProcess involved like the following?

It would work for createProcess too (well, you actually get the error
when you waitForProcess on the ProcessHandle that createProcess

Ian Lynagh, Haskell Consultant
Well-Typed LLP,

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