On Mon, Apr 20 2009, Carl Henrik Lunde wrote: > On Thu, Apr 9, 2009 at 20:49, Francis Moreau <francis.moro@xxxxxxxxx> wrote: > > hello, > > > > I just took a look to fio source code (great tool BTW), and I'm > > wondering about the fork_main() comment: > > > > /* > > * We cannot pass the td data into a forked process, so attach the td > > * and pass it to the thread worker. > > */ > > > > Since after a fork(2) the child inherits the attached shared memory > > segments from its parent, I don't see the point of this comment. > > > > Could anybody enlight me ? > > I think your observation is correct, this is not necessary, shmat in > the child can be avoided. Yes, I'm not quite sure why it does that anymore, it's been that way since 2004/5 when fio got moved to its own repo... -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
