Probably did not test enough. Sorry for the noise. arnaud
On Tue, Sep 14, 2010 at 12:18 PM, Neil Brown <nc...@kent.ac.uk> wrote: > On 14/09/10 07:45, Arnaud Bailly wrote: >> >> What surprised me is that I would expect the behaviour of the two >> functions to be different: >> - in doRunMvnInIO, I would expect stdout's content to be printed >> before stderr, ie. the 2 threads are ordered because I call takeMVar >> in between calls to forkIO >> - in doRunMvnInIO', this is not true and both theads run concurrently. >> >> but actually there does not seem to be a difference: printing is still >> interleaved in both functions, AFAICT. >> >> > > Hi, > > I've tried your code (substituting a program that spits out different > streams of numbers on stdout and stderr for maven), and I see the behaviour > you had expected: the first version does print all of stdout before stderr, > whereas the second version shows interleaving of the two streams. Are you > certain that you are seeing interleaving in the first version? > > Thanks, > > Neil. > > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
