Re: Why it's dangerous to fork off a new process in Glasgow Haskell

Sigbjorn Finne wrote:

Have a look at GHC.Conc.forkProcess, which Volker Stolz contributed a while ago. Does what you want, but I think you're actually doing the Right Thing by implementing the fork() & exec() outside of Haskell.

[snip] Interesting. How exactly does it work, by the way? Posix.runProcess really should use it I think. I wish Posix.runProcess was available and worked on both Windows and Unix. I am now in the unhappy position of having had to code equivalent functions in C on both. The signature of Posix.runProcess is not quite adequate though; one wants some control over the child thread. At a minimum, it would be nice to be able to kill it.