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Date: | 2009-01-12 (20:12) |
From: | Richard Jones <rich@a...> |
Subject: | Re: [Caml-list] Re: memory usage |
On Tue, Jan 13, 2009 at 01:56:39AM +0800, John Lepikhin wrote: > > I'm afraid to say that you'll have to post a short reproducer here > > before I can look at this further ... > > I'm not sure this is the same issue. Look at this test code: For reasons I don't fully understand, this code doesn't seem to do anything. A print statement after the Unix.openfile is never printed. > let read_data _ = > let fd = Unix.openfile "/dev/random" [] 0o644 in You probably want to use something like /dev/urandom or /dev/zero here. This blocks after a very short time because /dev/random (on Linux) only produces characters while there is entropy in the kernel. (Not for very long once you start reading blocks of it from 20 threads). Rich. -- Richard Jones Red Hat